EP3439972B1 - Dispositif pour fermer d'un seul côté des enveloppes d'emballages pour réaliser des emballages composites - Google Patents

Dispositif pour fermer d'un seul côté des enveloppes d'emballages pour réaliser des emballages composites Download PDF

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Publication number
EP3439972B1
EP3439972B1 EP17712073.0A EP17712073A EP3439972B1 EP 3439972 B1 EP3439972 B1 EP 3439972B1 EP 17712073 A EP17712073 A EP 17712073A EP 3439972 B1 EP3439972 B1 EP 3439972B1
Authority
EP
European Patent Office
Prior art keywords
mandrel
tappet
head
corner segments
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17712073.0A
Other languages
German (de)
English (en)
Other versions
EP3439972A1 (fr
Inventor
Thomas Vetten
Jürgen RICHTER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Combibloc Services AG
Original Assignee
SIG Technology AG
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Filing date
Publication date
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Priority to PL17712073T priority Critical patent/PL3439972T3/pl
Publication of EP3439972A1 publication Critical patent/EP3439972A1/fr
Application granted granted Critical
Publication of EP3439972B1 publication Critical patent/EP3439972B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B65B3/025—Making parallelepipedal containers from a single carton blank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
    • B31B50/32—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths
    • B31B50/322—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths the mandrels extending radially from the periphery of a drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically
    • B31B50/782—Mechanically by pushing the opposite ends of collapsed blanks towards each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically
    • B31B50/788—Mechanically by introducing the blanks into undeformable holders, e.g. on a drum or on chains
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02—Feeding sheets or wrapper blanks
    • B65B41/04—Feeding sheets or wrapper blanks by grippers
    • B65B41/06—Feeding sheets or wrapper blanks by grippers by suction-operated 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/145—Feeding carton blanks from piles or magazines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/32—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by external pressure diagonally applied
    • B65B43/325—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by external pressure diagonally applied to boxes, cartons or carton blanks
    • 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
    • B65B43/50—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 rotary tables or turrets
    • 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
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0022—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed made from tubular webs or blanks, including by tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations

Definitions

  • the invention relates to a device for unilaterally closing packing sleeves for the production of composite packs, in particular cardboard / plastic composite packs, by bottom shaping by means of a mandrel wheel with a plurality of mandrels which are arranged uniformly distributed over the circumference and are directed radially outwards and which successively have several processing stations in Pass through the circumferential direction of the mandrel wheel, with each mandrel having a head at its free end, onto which the foldable sections of the packing sleeve to be closed are folded and sealed in the closed position, the head of the mandrel being variable in its outer dimensions.
  • a device is out WO 96/16789 known.
  • Fig. 9 is a device known from the prior art for filling packages C open at the top, in particular with flowable foods, for forming packages P, that is to say a so-called filling machine, comprising a magazine 1 for the provision of packaging sleeves S and a device for forming open-topped packaging C from the packaging sleeves S, which are closed on one side and thus can accommodate, for example, a flowable food through the remaining opening.
  • the known filling and sealing device has a number of parallel processing lines, of which in the Fig. 9 only a single processing line 2 is shown. Each processing line 2 is assigned a magazine 1 with a stack 3 or a bundle of packaging sleeves S folded flat by two folding lines.
  • the packaging sleeves S have been formed from blanks of a packaging material, the longitudinal edges of which are sealed to one another.
  • the packaging sleeves S are unfolded by a feed device 4.
  • the packaging sleeves S are unfolded by pulling a later side surface of the corresponding packaging sleeve S away from the stack 3 without further action around the pre-folded folding lines which form the edges of the packaging sleeve S and the subsequent pack P.
  • an application device could also be provided for applying spouts (not shown) to the packing sleeves S.
  • a known device 5 for forming and unilaterally closing the packing sleeves S has a mandrel wheel 6 which comprises six mandrels 7 and which rotates cyclically, that is to say stepwise, counterclockwise.
  • a packing jacket S is pushed onto the mandrel 7.
  • the mandrel wheel 6 is rotated further into the next mandrel wheel position II, in which the longitudinal end of the packing jacket S protruding from the mandrel 7 is heated with hot air via a heating unit 8.
  • next mandrel wheel position III the heated longitudinal end of the packing jacket S is pre-folded by a press 9 and in the subsequent mandrel wheel position IV in the folded position is sealed by a sealing device 10, in particular to form a bottom B.
  • a packing body C which is closed on one side, that is to say a packaging which is open at the top, is obtained, which in the subsequent mandrel wheel position V is removed from the mandrel 7 and attached to a cell 11 of an endless cell chain 12 which is guided in a circle possible conveyor is handed over.
  • No mandrel 7 is assigned to the mandrel 7 in the next mandrel wheel position VI.
  • the number of mandrel wheel positions or mandrels 7 and the processing steps provided there can, if necessary, be as shown in FIG Fig. 9 and the associated description.
  • a spout can be connected to the packaging material in at least one additional mandrel wheel position as required.
  • the longitudinal end of the packing jacket closed on the mandrel wheel is preferably the head of the later packing. In the present case, whether the packing body is filled by the future head or by the future floor plays only a subordinate role.
  • the packing body C taken by the mandrel wheel 6 is transported with the open longitudinal end pointing upwards in a cell 11, in particular a cell chain, by a filling machine 13.
  • the package body C thereby arrives in an aseptic chamber 14 which comprises a sterilization zone 15 and a filling and sealing zone 16, through which the package bodies C are transported from left to right in the transport direction symbolized by the arrows.
  • the packing bodies C do not have to be transported in a straight line, but can also be carried out in at least one arc or even circle lying in a horizontal plane.
  • the packing bodies C are preheated in succession by a preheating device 18 by blowing with hot sterile air.
  • the package bodies C are then sterilized by means of a sterilization device 19, preferably using H 2 O 2 (hydrogen peroxide), whereupon the package bodies C are dried by exposure to sterile air via a drying device 20 and after the transition from the sterilization zone 15 to the filling and sealing zone 16 are brought into a filling position 21 below a filling outlet 22.
  • the packing bodies C are successively filled with a product 23, in particular with a flowable food.
  • the filled packing bodies C are then with a closing device 24 closed by folding the upper region of the package body C and sealing.
  • the filled and sealed packs P are then removed from the cells 11 of the transport device 12.
  • the now empty cells 11 are moved further with the transport device 12 in the direction of the mandrel wheel 6 in order to take up further packing bodies C there.
  • the packs to be produced are those with a square or rectangular cross section, that is to say cuboid packs
  • the use of a mandrel wheel in a filling machine is unproblematic since the square or rectangular cross section of the mandrel is matched to the inner clear cross section of the pack casing to be pushed open. It becomes problematic when the package shape deviates from the conventional cuboid shape and has, for example, rounded or round edges or surfaces whose curvature gradually decreases towards the floor (or gable) and again in a square and / or rectangular bottom (or gable) ) ends.
  • the invention is based on the object of designing and developing the aforementioned device for closing packing sleeves in such a way that reliable and, in particular, pocket-free sealing of the end region of a packing sleeve on the mandrel is reliably guaranteed.
  • the head of the mandrel is "folded in” when pushed on and is only brought into the form required for sealing after being pushed on.
  • at least two corner segments of the head can be changed in their position. To do this, they can be swiveled from the corners into the interior of the mandrel.
  • the mandrel also has at least one axially movable plunger in its interior.
  • the plunger is preferably connected to a segment of the head which is designed as a lifting segment and which can be moved into the interior of the mandrel by the movement of the plunger.
  • the corner segments of the head to be displaced are also designed as swivel segments which can be moved from a sealing position into a retracted position.
  • the pivoting segments are preferably designed to be spring-loaded in such a way that they pivot back into their sealed position after the positively actuated pivoting into their retracted position.
  • the design of the corner segments as pivot segments is particularly advantageous because they can be equipped with stable pivot axes in order to be able to absorb the pressure during the pressing process during the sealing process.
  • the mandrel has two adjacent corner segments and an intermediate lifting segment.
  • An alternative embodiment provides that the mandrel has four corner segments and two each has lifting segments lying between two adjacent corner segments.
  • the optimal design of the 'expanding mandrel' according to the invention will generally depend on the actual geometry of the packs to be produced. If it is sufficient to design only two corner segments of the head of a mandrel to be pivotable, this solution will be chosen due to the lower design effort, otherwise it is also possible according to the invention to design all four corners of the head of the mandrel with adjustable corner segments.
  • the force transmission from the tappet to the corner segments takes place by means of a cam mechanism.
  • the force it is also possible for the force to be transmitted from the tappet to the corner segments by means of a toggle lever, in which case each corner segment to be pivoted has its own toggle lever.
  • the invention provides in a further embodiment that the tappet can be moved on the mandrel wheel side by means of a link guide arranged stationary on the outer circumference of the mandrel wheel.
  • the link guide is preferably formed on or in a guide sleeve which is arranged in a rotationally fixed manner on the mandrel wheel or the drive shaft of the mandrel wheel.
  • a guide element with a cam mechanism for transmitting the control movement running parallel to the mandrel gear shaft is provided on the tappet which is movable radially to the mandrel gear shaft.
  • the guide element preferably has a guide track on the side facing the tappet and the tappet has a roller on its end on the mandrel wheel side for rolling on the guide track of the guide element.
  • the ram is adjustable in length. This is of particular advantage for the fine adjustment and can also be done with installed mandrels, for example for maintenance or repair purposes, without dismantling the mandrel.
  • mandrel is at least partially hollow. In this way, all the drive parts required for the adjustment of the head segments and their storage can be easily reached even with the mandrel already attached to the mandrel wheel shaft.
  • the open areas of the mandrel are provided with at least one cover. In this way, the mechanical design of the tappet drive can be well protected against contamination and penetration of foreign bodies.
  • the mandrel has at least one spring element acting on its longitudinal side, which fixes the pushed-on packing jacket in its position.
  • the mandrel has lines for cooling water in its solid interior.
  • This is particularly expedient, since in this way the head region of the mandrel can be actively cooled in order to be able to reduce the tacking times of the mandrel wheel in the best possible way.
  • a water-cooled version that is Dornradwelle hollow and the cooling water is passed through appropriate lines inside the mandrel gear shaft in a known manner through the individual mandrels.
  • a further embodiment of the invention provides that the mandrel has one or more end stops for mechanically limiting the opening path for the packing jacket.
  • Fig. 1 shows a mandrel 7 according to the invention with an upwardly directed head 25, the mandrel 7 being fastened to a mandrel wheel shaft 26.
  • head 25 In the area of the head 25, one can see clearly pivotable corner segments 27, which are not in their extended sealing position, but rather in their retracted pivoting position, in order to make it easier for a packing jacket (not shown) to be pushed onto the mandrel 7 from above.
  • Two pivot elements having the corner segments 27 are movably mounted on the housing of the mandrel 7 with appropriately stable pivot axes 28.
  • a plunger 29 is used to actuate the pivoting elements.
  • the plunger 29 is designed in two parts in the illustrated and preferred embodiment and includes a lower plunger 29A and an upper plunger 29B.
  • the plungers 29A and 29B are axially displaceably supported by means of bearing blocks 30.
  • a ball bearing 31 At the lower end of the lower plunger 29A there is a ball bearing 31, the roller of which can be rolled on a guide track 32 of a guide element 33.
  • the guide element 33 is designed to be longitudinally displaceable in the direction of the double arrow shown via a corresponding guide parallel to the mandrel gear shaft 26 and is controlled via a link guide.
  • the guide element 33 on its in the Fig. 1 shown left end on acting as a sliding block ball bearing 34 which is guided in a guide groove 35 of a fixed guide sleeve 36.
  • the guide groove 35 is designed such that a pivoting of the mandrel gear shaft 26 by 180 ° moves the guide element 33 away from it shown position, in which the pivot elements 27 are "folded", can be brought into a sealing position in which the pivot elements 27 are folded out.
  • the guide sleeve 36 is stationary, ie it does not rotate when the mandrel gear shaft 26 rotates.
  • the mandrel wheel shaft 26 is driven by a drive shaft 37 and can - depending on the number of processing lines in the filling machine - correspondingly contain additional mandrels 7.
  • Lower plunger 29A and upper plunger 29B are connected by means of a connecting element 38 and ensure that when the plunger 29A, 29B is actuated upwards, a lifting segment 39 moves axially upwards in order to close the gap between the two pivotable corner segments 27 on the head surface shut down.
  • the upper plunger 29B is mounted in the area between the pivot elements having the corner segments 27 by means of a bearing 40 designed as a guide sleeve.
  • the pivoting movement of the pivoting elements having the corner segments 27 takes place by means of a guide element 41 which has curved tracks 42 running towards the two pivoting elements.
  • the swivel elements themselves have rotatable ball bearings 43 in this area, which roll on the cam tracks 42 of the guide element 41.
  • the two corner segments 27 are operatively connected to one another by means of a compression spring arranged between them in such a way that the two corner segments 27 can only be moved from their sealing position into the folded position against the pressure of the spring.
  • the compression spring is in the unspecified groove that in Fig. 3 can be seen on the left next to the lifting segment 39 in the head 25 of the mandrel 7.
  • Additional compression springs 44 ensure that the plunger 29A, 29B is always in contact with the guide track 32 of the guide element 33 by means of its ball bearing 31.
  • the upper plunger 29B is longitudinal in the region of its connecting element 38 with the lower plunger 29A by means of an adjusting nut 45 for adjusting the overall length adjustable. In this way, fine adjustment of the top dead center of the lifting segment 39 can be carried out reliably and simply, even when the mandrel 7 has been set up.
  • the adjustment of the upper plunger 29B by means of the nut 45 can also be seen in particular in the rotated side view in FIG Fig. 2 in which the lower plunger 29B is not visible.
  • the exact structure results from Fig. 3 , in which the upper part of the mandrel 7 along the line III-III in Fig. 1 is shown cut.
  • the Fig. 2 and 3rd it can also be seen that the mandrel 7 is screwed onto the mandrel wheel shaft 26 by means of screws 46.
  • the longitudinal displaceability of the guide element 33 can also be clearly seen there by means of a guide rail 33 '.
  • the Fig. 4 and 5 correspond to the representations of Fig. 1 and 3rd , but here the mandrel 7 is shown in its sealing position.
  • the mandrel points to the Fig. 4 and 5 likewise upwards, even if, as already explained, the sealing position is diametrically opposite the retracted position of the pivoting elements, that is to say with the mandrel 7 pointing downward, in the exemplary embodiment shown and in this respect preferred.
  • the actual stationary guide sleeve 36 is in Fig. 4 shown rotated by 180 °. It can first be seen that the guide element 33 is in its end position by means of the link guide 34, 35, so that the lower plunger 29A is shown in its uppermost position.
  • the upper plunger 29B is in its uppermost position and thus also the guide element 41, so that the ball bearings 43 are moved towards one another along the guide track 42 of the guide element 41 and in this way a pivoting of the corner segments 27 of the pivoting elements into their outer Seal position.
  • the lifting segment 39 is finally also in its highest position in the sealing position.
  • FIG Fig. 7 This sealing position and formation of the head 25 of the mandrel 7 is shown in FIG Fig. 7 shown in perspective. It can be clearly seen that the entire end face of the head 25 is now closed and that the two Corner segments 27 are now in their - unfolded - sealing position and the cavity located between them is filled by the lifting segment 39.
  • the cavities on the end face serve, in a known manner, to absorb the material accumulation which forms when the free outer surfaces of the pushed-on packing jacket are folded in, in particular in the area of the folded transverse seam, so that a flat surface is produced when the packing base is sealed, for example. which serves as a stand for the later pack.
  • pivot elements having the corner segments are equipped with relatively strong pivot axes 28 in order to be able to withstand the pressure during the pressing.
  • the exemplary embodiment described so far is a mandrel 7 which has only two pivotable corner segments 27.
  • a corresponding version is in Fig. 7 shown.
  • four corner segments 27' are arranged as pivotable segments on corresponding pivot elements, a lifting segment 39 'being located between two corner segments 27'.
  • the drive for pivoting the corner segments 27 'can be designed as in FIG Fig. 6 , in Fig. 7 it is shown, however, that the force of the tappet 29 'can alternatively be transmitted to the corner segments 27' by means of a toggle lever 47A or 47B, each toggle lever being supported by means of two axes 48 on the one hand in the swivel element and on the other hand in the lifting segment 39 '.
  • the pivot elements are pivotally mounted on corresponding pivot axes 38 'on the mandrel 7'.
  • Fig. 8 it is shown that spring elements 49 can be arranged on the side of the mandrel, which reliably prevent a packaging jacket (not shown) from slipping onto the mandrel 7 once it has been pushed on. Is too Fig. 8 It can be seen that the "open" part of the mandrel 7 is closed by means of a cover 50, the surface of which corresponds to the actual package design and, in the exemplary embodiment shown, has a round side wall, and thus protects the internal mechanics of the mandrel 7.
  • the mandrel 7 can have lines 51, 52 for the passage of cooling water.
  • the mandrel gear shaft 26 is hollow in such a case.
  • a known distribution element for the cooling water is then arranged in the interior of this cavity, which is of rigid design and ensures, via corresponding circumferential grooves, that pressurized cooling water is pressed through line 51 into the interior of the mandrel and out of the drain line 52 again the distribution element is guided.
  • the two lines 51 and 52 are connected to one another in the upper region of the mandrel 7 and / or in the head 25 by means of a connecting groove 53.
  • the distribution element is rigidly arranged inside the rotating mandrel wheel shaft and, via appropriate inlet and outlet lines, ensures that the mandrels 7 can be tempered at the desired stations or over certain distances when turning.
  • cooling after the sealing process can be carried out "automatically” to a certain extent due to the application of cooling water due to the rotation of the mandrel wheel shaft 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Cartons (AREA)
  • Closing Of Containers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packages (AREA)
  • Package Closures (AREA)

Claims (17)

  1. Dispositif pour fermer d'un seul côté des enveloppes d'emballage (S), ledit dispositif étant conçu pour la fabrication d'emballages composites, en particulier des emballages composites en carton / en matière plastique, ladite fabrication étant réalisée par formage au moyen d'une roue à mandrins (6) comprenant une pluralité de mandrins (7) disposés en étant répartis sur la circonférence, de manière régulière, et dirigés vers l'extérieur dans le sens radial, mandrins qui parcourent successivement plusieurs postes de façonnage, dans la direction circonférentielle de la roue à mandrins (6), où chaque mandrin (7), au niveau de son extrémité libre, présente une tête (25) sur laquelle sont pliées, et scellées en position fermée, les parties repliables - à fermer - de l'enveloppe d'emballage (S) poussée sur le mandrin (7), où la tête (25) du mandrin (7) est conçue en étant modifiable dans ses dimensions extérieures,
    caractérisé
    en ce qu'au moins deux segments d'angle (27) de la tête (25) sont modifiables dans leur position, en ce que le mandrin (7), dans sa partie intérieure, présente au moins un poussoir (29A, 29B) pouvant être déplacé axialement, ledit poussoir servant au réglage de la géométrie de la tête, et en ce que les segments d'angle (27) de la tête (25) sont conçus comme des éléments orientables qui peuvent passer d'une position de scellement à une position rentrée.
  2. Dispositif selon la revendication 1,
    caractérisé
    en ce que le poussoir (29B) est relié à un segment de la tête (25), segment qui est conçu comme un segment de levée (39) et qui peut être déplacé à l'intérieur du mandrin (7) sous l'effet du mouvement du poussoir (29B).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé
    en ce que les éléments orientables sont actionnés par ressort, de manière telle, qu'après le basculement forcé dans leur position rentrée, ils basculent à nouveau pour revenir à leur position de scellement.
  4. Dispositif selon la revendication 2 ou 3,
    caractérisé
    en ce que le mandrin (7) présente deux segments d'angle voisins (27) et un segment de levée (39) se trouvant entre lesdits segments d'angle.
  5. Dispositif selon la revendication 2 ou 3,
    caractérisé
    en ce que le mandrin (7) présente quatre segments d'angle (27') et deux segments de levée (39') se trouvant à chaque fois entre deux segments d'angle voisins (27').
  6. Dispositif selon la revendication 1,
    caractérisé
    en ce que la transmission de force se produisant depuis le poussoir (29B) jusqu'aux segments d'angle (27) est réalisée au moyen d'une commande à cames (41,42).
  7. Dispositif selon la revendication 1,
    caractérisé
    en ce que la transmission de force se produisant depuis le poussoir (29') jusqu'aux segments d'angle (27') est réalisée au moyen d'un levier à genouillère (47A, 47B).
  8. Dispositif selon l'une quelconque des revendications 2 à 7,
    caractérisé
    en ce que le poussoir (29A) peut être déplacé, côté roue à mandrins, au moyen d'un guide de coulisse (34, 35) disposé fixement sur la circonférence extérieure de la roue à mandrins (6).
  9. Dispositif selon la revendication 8,
    caractérisé
    en ce que le guide de coulisse (34, 35) est configuré sur ou dans une douille de guidage (36) et en ce que la douille de guidage (36) est disposée en étant solidaire en rotation sur la roue à mandrins (6) ou bien solidaire en rotation sur l'arbre d'entraînement (37) de la roue à mandrins (6).
  10. Dispositif selon la revendication 8 ou 9,
    caractérisé
    en ce qu'il est prévu un élément de guidage (33) comportant une commande à cames servant à la transmission du mouvement de commande de l'élément de guidage (33), ledit mouvement de commande ayant lieu parallèlement à l'arbre (26) de la roue à mandrins, ladite transmission se produisant sur le poussoir (29A) pouvant être déplacé radialement par rapport à l'arbre (26) de la roue à mandrins.
  11. Dispositif selon la revendication 10,
    caractérisé
    en ce que l'élément de guidage (33), sur le côté tourné vers le poussoir (29A), présente une piste de guidage (32), et en ce que le poussoir (29A), au niveau de son extrémité côté roue à mandrins, présente un rouleau (31) servant à rouler sur la piste de guidage (32) de l'élément de guidage (33).
  12. Dispositif selon l'une quelconque des revendications 1 à 11,
    caractérisé
    en ce que le poussoir (29A, 29B) est réalisé en étant réglable concernant sa longueur.
  13. Dispositif selon l'une quelconque des revendications 1 à 12,
    caractérisé
    en ce que le mandrin (7) est réalisé en étant au moins en partie creux.
  14. Dispositif selon la revendication 13,
    caractérisé
    en ce que les zones ouvertes du mandrin (7) sont dotées au moins d'une partie couvrante (50).
  15. Dispositif selon l'une quelconque des revendications 1 à 14,
    caractérisé
    en ce que le mandrin (7) présente au moins un élément à ressort (49) agissant sur le grand côté dudit mandrin, lequel élément à ressort fixe dans sa position l'enveloppe d'emballage ayant été poussée.
  16. Dispositif selon l'une quelconque des revendications 1 à 15,
    caractérisé
    en ce que le mandrin (7) présente, dans sa partie intérieure massive, des conduites (51, 52) pour de l'eau de refroidissement.
  17. Dispositif selon l'une quelconque des revendications 1 à 16,
    caractérisé
    en ce que le mandrin (7) dispose d'une ou de plusieurs butées d'extrémité servant à la limitation mécanique du mouvement de poussée pour l'enveloppe d'emballage.
EP17712073.0A 2016-04-04 2017-03-16 Dispositif pour fermer d'un seul côté des enveloppes d'emballages pour réaliser des emballages composites Active EP3439972B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17712073T PL3439972T3 (pl) 2016-04-04 2017-03-16 Urządzenie do jednostronnego zamykania rękawów opakowaniowych w celu wytwarzania opakowań z laminatów

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016106139 2016-04-04
DE102016110008.0A DE102016110008A1 (de) 2016-04-04 2016-05-31 Vorrichtung zum einseitigen Verschließen von Packungsmänteln für die Herstellung von Verbundpackungen
PCT/EP2017/056215 WO2017174321A1 (fr) 2016-04-04 2017-03-16 Dispositif pour fermer d'un seul côté des enveloppes d'emballages pour réaliser des emballages composites

Publications (2)

Publication Number Publication Date
EP3439972A1 EP3439972A1 (fr) 2019-02-13
EP3439972B1 true EP3439972B1 (fr) 2020-04-29

Family

ID=59885632

Family Applications (6)

Application Number Title Priority Date Filing Date
EP17709081.8A Active EP3439970B1 (fr) 2016-04-04 2017-03-07 Procédé et dispositif permettant de former des corps d'emballage ouverts d'un côté, constitués d'enveloppes d'emballage ouvertes des deux côtés
EP17712073.0A Active EP3439972B1 (fr) 2016-04-04 2017-03-16 Dispositif pour fermer d'un seul côté des enveloppes d'emballages pour réaliser des emballages composites
EP17711151.5A Active EP3439964B1 (fr) 2016-04-04 2017-03-16 Dispositif et procédé de formation de surfaces de pignon d'emballages à pignon oblique
EP17712477.3A Active EP3439974B1 (fr) 2016-04-04 2017-03-21 Dispositif pour façonner des emballages fermés
EP19190904.3A Withdrawn EP3581507A1 (fr) 2016-04-04 2017-03-21 Procédé de formation d'emballages fermés
EP17716150.2A Active EP3439971B1 (fr) 2016-04-04 2017-04-03 Procédé et dispositif permettant de former des corps d'emballage ouverts d'un côté à partir d'enveloppes d'emballage ouvertes des deux côtés

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EP17709081.8A Active EP3439970B1 (fr) 2016-04-04 2017-03-07 Procédé et dispositif permettant de former des corps d'emballage ouverts d'un côté, constitués d'enveloppes d'emballage ouvertes des deux côtés

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP17711151.5A Active EP3439964B1 (fr) 2016-04-04 2017-03-16 Dispositif et procédé de formation de surfaces de pignon d'emballages à pignon oblique
EP17712477.3A Active EP3439974B1 (fr) 2016-04-04 2017-03-21 Dispositif pour façonner des emballages fermés
EP19190904.3A Withdrawn EP3581507A1 (fr) 2016-04-04 2017-03-21 Procédé de formation d'emballages fermés
EP17716150.2A Active EP3439971B1 (fr) 2016-04-04 2017-04-03 Procédé et dispositif permettant de former des corps d'emballage ouverts d'un côté à partir d'enveloppes d'emballage ouvertes des deux côtés

Country Status (8)

Country Link
US (5) US20190112082A1 (fr)
EP (6) EP3439970B1 (fr)
JP (4) JP2019510705A (fr)
CN (5) CN109153467A (fr)
DE (5) DE102016109980A1 (fr)
ES (4) ES2802449T3 (fr)
PL (4) PL3439972T3 (fr)
WO (5) WO2017174280A1 (fr)

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ES2484698T3 (es) 2011-10-31 2014-08-12 Tetra Laval Holdings & Finance S.A. Unidad de plegado para producir envases plegados de productos alimenticios vertibles a partir de envases sellados correspondientes
EP2631188B1 (fr) * 2012-02-24 2014-07-23 Tetra Laval Holdings & Finance S.A. Unité de conditionnement pour machines de conditionnement de produits alimentaires pouvant être versés
DE102012102812A1 (de) * 2012-03-30 2013-10-02 Elopak Systems Ag Vorrichtung und Verfahren zum Reduzieren von Rückstellkräften von Packungsmänteln in einer Füllmaschine
DE102013107429B3 (de) * 2013-07-12 2014-06-05 Sig Technology Ag Vorrichtung und Verfahren zum flüssigkeitsdichten Versiegeln von zwei sich teilweise überlappenden Verpackungsteilen und damit/danach hergestellter Behälter
DE102013015638A1 (de) * 2013-09-23 2015-03-26 Sig Technology Ag Vorrichtung zum Herstellen einer Verbundverpackung
DE102014102333A1 (de) 2014-02-24 2015-08-27 Sig Technology Ag Vorrichtung und Verfahren zur Vorfaltung von Packungsmänteln
DE102015101751A1 (de) * 2015-02-06 2016-08-11 Sig Technology Ag Verfahren zum Füllen von Packungen mit wechselnden Produkten in einer Füllmaschine
DE102016109980A1 (de) * 2016-04-04 2017-10-05 Sig Technology Ag Vorrichtung und Verfahren zum Formen der Giebelflächen von Verpackungen mit schrägem Giebel
DE102016003824A1 (de) 2016-04-04 2017-10-05 Sig Technology Ag Packungsmantel, Verpackung und Verfahren zur Herstellung einer Verpackung
DE102016003829A1 (de) 2016-04-04 2017-10-05 Sig Technology Ag Packungsmantel, Packung und Verfahren zur Herstellung einer Packung
DE102016003826A1 (de) 2016-04-04 2017-10-05 Sig Technology Ag Packungsmantel, Verpackung und Verfahren zur Herstellung einer Verpackung
DE102017114814A1 (de) * 2017-07-03 2019-01-03 Sig Technology Ag Verfahren und Vorrichtung zum Bilden von einseitig offenen Packungskörpern mit einem oszillierenden Greifer

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CN109311548A (zh) 2019-02-05
US20190112082A1 (en) 2019-04-18
US10926896B2 (en) 2021-02-23
WO2017174347A1 (fr) 2017-10-12
JP6899843B2 (ja) 2021-07-07
EP3439964B1 (fr) 2020-06-03
DE102016109996A1 (de) 2017-10-05
EP3439974B1 (fr) 2020-05-06
CN108883845A (zh) 2018-11-23
US20190055045A1 (en) 2019-02-21
PL3439964T3 (pl) 2020-08-24
EP3439970B1 (fr) 2020-06-24
EP3439971A1 (fr) 2019-02-13
CN108883847B (zh) 2020-11-10
US11203448B2 (en) 2021-12-21
PL3439974T3 (pl) 2020-10-19
PL3439971T3 (pl) 2020-09-21
WO2017174321A1 (fr) 2017-10-12
JP6921110B2 (ja) 2021-08-18
US20190152628A1 (en) 2019-05-23
DE102016110008A1 (de) 2017-10-05
EP3439970A1 (fr) 2019-02-13
WO2017174497A1 (fr) 2017-10-12
WO2017174280A1 (fr) 2017-10-12
ES2802449T3 (es) 2021-01-19
EP3439974A1 (fr) 2019-02-13
PL3439972T3 (pl) 2020-07-13
JP2019510699A (ja) 2019-04-18
EP3439964A1 (fr) 2019-02-13
JP2019513649A (ja) 2019-05-30
CN108883850B (zh) 2021-02-05
ES2803375T3 (es) 2021-01-26
US11745903B2 (en) 2023-09-05
DE102016109979A9 (de) 2018-04-26
US20190112090A1 (en) 2019-04-18
DE102016109980A1 (de) 2017-10-05
CN108883850A (zh) 2018-11-23
EP3439972A1 (fr) 2019-02-13
DE102016109979A1 (de) 2017-10-05
ES2793015T3 (es) 2020-11-12
JP6864737B2 (ja) 2021-04-28
ES2792086T3 (es) 2020-11-10
CN108883845B (zh) 2020-07-28
CN109153467A (zh) 2019-01-04
CN108883847A (zh) 2018-11-23
CN109311548B (zh) 2021-07-30
DE102016109980A9 (de) 2018-04-26
WO2017174318A1 (fr) 2017-10-12
DE102016109995A1 (de) 2017-10-05
EP3581507A1 (fr) 2019-12-18
US20190112081A1 (en) 2019-04-18
JP2019510705A (ja) 2019-04-18
JP2019513636A (ja) 2019-05-30
EP3439971B1 (fr) 2020-06-10

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