EP2537766B1 - All-in-one cutting station and method for separating packages - Google Patents
All-in-one cutting station and method for separating packages Download PDFInfo
- Publication number
- EP2537766B1 EP2537766B1 EP20120004410 EP12004410A EP2537766B1 EP 2537766 B1 EP2537766 B1 EP 2537766B1 EP 20120004410 EP20120004410 EP 20120004410 EP 12004410 A EP12004410 A EP 12004410A EP 2537766 B1 EP2537766 B1 EP 2537766B1
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- EP
- European Patent Office
- Prior art keywords
- complete cutting
- packaging
- packages
- packaging units
- conveyor elements
- 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.)
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Links
- 238000005520 cutting process Methods 0.000 title claims description 80
- 238000000034 method Methods 0.000 title claims description 17
- 238000004806 packaging method and process Methods 0.000 claims description 83
- 239000002131 composite material Substances 0.000 claims description 36
- 239000010408 film Substances 0.000 description 47
- 238000007789 sealing Methods 0.000 description 10
- 238000003856 thermoforming Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 4
- 239000013039 cover film Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/30—Arranging and feeding articles in groups
- B65B35/36—Arranging and feeding articles in groups by grippers
- B65B35/38—Arranging and feeding articles in groups 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
- B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
- B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
- B65B5/105—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
- B65B61/065—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting by punching out
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/6667—Work carrier rotates about axis fixed relative to tool station
Definitions
- the invention relates to a complete cutting station according to the preamble of claim 1, and to a method for separating packages which have been produced in a common film composite.
- thermoforming packaging machines in which packaging is produced from or with a plastic film, for example in thermoforming packaging machines or traysealers.
- packaging is often produced in a multi-lane and multi-row, ie. In a work cycle, both consecutively, as well as side by side, several packages are produced simultaneously.
- These packagings are connected together in a foil composite, since at least one foil extends continuously over all the packagings and connects these packagings to one another.
- thermoforming packaging machines this is the bottom film in which packaging trays are deep-drawn.
- the packages are contiguous by means of a top or lidding film which is simultaneously sealed onto a plurality of packaging trays or trays.
- a longitudinal cutting device and a cross-cutting device are provided.
- the cross sections are usually placed between adjacent rows of packages, i. the film composite is severed between adjacent rows.
- the longitudinal cutting device a separation of the packaging of the respective tracks.
- packages are cut or punched out of the film composite in a single operation. This is done by means of a complete cutting tool.
- the problem with the use of a complete cutting tool may be that the packages may lose their orientation after being singulated, for example when falling down onto a discharge belt. This can complicate subsequent work steps on the packaging.
- a suction head for a rotary packer is known as part of a final packaging machine.
- the suction head has a plurality of juxtaposed vacuum suction cups and the vacuum cups are inclined at a fixed angle relative to the packages to be sucked and lifted in order to reduce the spacing of these packages from one another by a scale-like position of the packages.
- the object of the invention is to improve the separation of packages from a common film composite with structurally simple means in terms of easier subsequent handling of the packaging.
- the complete cutting station has a transport system in which a plurality of transport elements are provided, each with a head section for engaging a packaging.
- the head portions of at least one, but possibly all, of the transport elements are movable between a first position, in which packages they have covered have a first distance defined by the film composite, and a second position, in which the packages have a second, smaller distance have each other.
- This second, smaller distance may even be a "negative distance", i. that the packages at least partially overlap in at least one spatial direction.
- the complete cutting station according to the invention offers various advantages with regard to the handling of the packages.
- the transport system already ensures that the packaging does not lose its position and orientation when singulated. Because during the separation, the packages can be held by the head sections of the transport elements and fixed in their position.
- the transport system allows a transfer of the individual packages from the complete cutting tool, for example, to a subsequent packing station, in which a group of packages is placed in a common outer packaging.
- the transport system makes it possible, by means of the transport system, to reduce the distance between the packages after the packages have been separated or even an overlap between the packages is produced.
- the transport elements are translationally movable and / or pivotable in order to reduce the distance between adjacent packages. Both variants are structurally comparatively simple and allow a secure, precise positioning of the packaging while reducing the mutual distance.
- the transport elements are movable between a retracted and an extended position. This enables them to transport packages caught by the head sections of the transport elements out of the complete cutting tool.
- the movement between a retracted and an extended position can either be independent of the distance between the packaging reducing movement of the transport elements, or the movement between the retracted and the extended position of the transport elements can be superimposed or take place simultaneously with the distance between adjacent reducing movement.
- the complete cutting station can be made particularly compact.
- the complete cutting tool according to the invention is arranged in the operation of the complete cutting station above the film composite. This has the advantage that the space below the isolated packaging remains free, so in particular is not occupied by a complete cutting tool. Thus, outer packaging or a discharge belt could be placed directly under the packaging to be separated, which further facilitates the handling of the packaging.
- the complete cutting tool preferably has a bridge connecting several cutting edges of the tool. Each cut edge can be used for singling or punching be provided a single package.
- the connection of the cut edges over a bridge increases the stability of the cut edges and thus ensures an even more precise, simultaneous separation of several packages.
- bridges offer the possibility of pivotally and / or translationally to store the transport elements of the transport system on them. For example, this could be done by means of pivot bearings or rails.
- the transport elements are suction grippers and the head sections are suction heads of these suction grippers.
- a vacuum pump can be used to apply vacuum to the suction cups in order to be able to fix packages there.
- the invention moreover relates to a packaging machine with a complete cutting station of the type described above.
- the packaging machine may in particular be a thermoforming packaging machine or a tray sealing machine.
- the invention also relates to a method for separating packages which have been produced in a common film composite.
- the still in the film composite contiguous packaging are taken by means of a head portion of a transport element, the packages are separated by means of the composite film severing complete cutting tool, and then the respective packaging grabbing a head portions of the transport elements are moved so that the distance between adjacent packages is reduced and / or that adjacent packages at least partially overlap.
- the transport elements can pivot and / or translate to reduce the distances between adjacent packages.
- every second package can be initially brought perpendicular to the plane of the film composite in another plane before the distances between adjacent packages are reduced or the packages are overlapped.
- a particularly simple fixing and loosening of the packages can be made possible by gripping the packages by suction on the head sections of the transport elements.
- FIG. 1 shows a schematic view of a packaging machine 1 according to the invention in the form of a thermoforming packaging machine.
- This thermoforming packaging machine 1 has a forming station 2, a sealing station 3 and a complete cutting station 4 according to the invention, which are arranged in this working order in a working direction R on a machine frame 6.
- a feed roller 7 On the input side is located on the machine frame 6, a feed roller 7, from which a film 8 is withdrawn.
- a material reservoir 9 is provided, from which a cover film 10 is drawn off.
- the packaging machine 1 to a feed device, not shown, which engages the film 8 and this transported per main working cycle in the direction R further.
- the feed device may be, for example, by transport chains arranged on both sides of the film 8.
- the forming station 2 is formed as a thermoforming station, are formed in the film 8 by deep drawing troughs 14.
- the forming station 2 may be designed such that in the direction perpendicular to the working direction R several troughs are formed side by side.
- an insertion path 15 is provided, in which molds 14 formed in the film 8 are filled manually or automatically with a product 16.
- the sealing station 3 has a closable chamber 17 in which the atmosphere in the packaging troughs 14 prior to sealing e.g. can be replaced by gas purging with a replacement gas or with a gas mixture.
- the packaging troughs 14 in the sealable chamber 17 can be evacuated.
- the packages produced together in one working cycle of the packaging machine 1 are separated at the same time. They are simultaneously cut out of the film composite 5.
- This film composite 5 results from the lower film 8 and the lid film 10, over which all packaging of the group of packaging related.
- each package is cut or punched out of the film composite 5 in a single operation.
- the packaging machine 1 also has a controller 18. It has the task of controlling and monitoring the processes taking place in the packaging machine 1.
- a display device 19 with operating elements 20 serves to visualize or influence the process sequences in the packaging machine 1 for or by an operator.
- the lower film 8 is withdrawn from the feed roller 7 and transported by a feed device in the forming station 2.
- troughs 14 are formed in the film 8 by deep drawing.
- the wells 14 are transported along with the surrounding area of the film 8 in a main working cycle to the insertion path 15 in which they are filled with product 16.
- the lidding film 10 is transported to the foil 8 with the advancing movement of the film 8 after a sealing operation. In this case, the lidding film 10 is withdrawn from the material storage 9.
- the sealing of the cover film 10 on the packaging troughs 14 produces sealed packages 21, which initially continue to be connected in a common film composite 5. This film composite is - as explained - formed from the lower film 8 and the lid film 10. In the complete cutting station 4, the packages 21 are finally separated.
- outer packs 22 can be provided, for example cartons, to receive individual packs 21.
- FIG. 1 shows a variant in which the outer packaging 22 are brought by means of a conveying element, for example a conveyor belt 23, to a position below the complete cutting station 4. There, each outer package 22 can be filled from above by means of one or more groups of simultaneously produced and separated packages 21. If an outer packaging 22 is completely filled, it is transported away by means of the conveyor belt 23 and replaced by a new outer packaging 22.
- FIG. 2 shows a schematic representation of the most important components of an embodiment of a complete cutting station 4 according to the invention.
- This complete cutting station 4 has a complete cutting tool 24, which in turn has a plurality of cut edges 25.
- Each cut edge 25 has a shape that corresponds to the outer contour of the package 21 to be produced, ie each cut edge 25 can singulate a package 21 from the film composite 5 in a single step.
- the outer contour of the package 21 and the contour of the cutting edge 25 are almost arbitrary. For example, they may be oval, rectangular or square with no rounded corners, polygonal, circular, etc.
- the cut edges 25 point downwards as the Complete cutting tool 24 is located above the film composite 5 at the complete cutting station 4 according to the invention.
- the cutting edges 25 are attached to a bridge 26 which connects all cutting edges 25 of the tool 24 together.
- the bridge 26 can be moved in the vertical direction relative to the film composite 5 by a suitable drive, for example a servo motor, so that the cut edges 25 can sever the film composite 5 and thus singulate the packages 21.
- Neighboring packaging has to be singulated - as in FIG. 2 shown - a distance D from each other, which is defined by the position of the packages 21 in the film composite 25 and by the arrangement of the cutting edges 25 of the tool 24.
- the complete cutting station 4 also has a gripper or transport system 27.
- the transport system 27 has a plurality of movable transport elements 28, each of which has a head portion 29 in order to be able to fix a single package 21 on the transport element 28.
- the transport elements 28 are suction grippers and, in the case of the head sections 29, corresponding to suction heads of these suction grippers. If a negative pressure is applied to them by means of a suitable vacuum source, packages 21 are fixed to the suction heads 29 applied to them.
- each transport element 28 has such external dimensions that it can be completely within the contour defined by a cutting edge 25 for a particular package 21, i. not interfere with the cutting edge 25.
- the transport elements 28 themselves are essentially rod-shaped and extend in the vertical direction. At its lower end, a transport element 28 carries its head portion 29, on which it can fix a package 21. In the interior of the rod-shaped transport element 28, a pneumatic line for applying a negative pressure on the head portion 29 may be present.
- the transport elements 28 are mounted in the illustrated embodiment on a gripper bridge 260 of the complete cutting station 4. In particular, they are mounted there so that they can move in the vertical direction relative to the complete cutting tool 24, between a retracted position in which the head portions 29 are located between the cutting edges 25, and a downwardly extended position.
- the gripper bridge 260 By attachment to the gripper bridge 260, the vertical or lifting movement of the transport elements 28 is coupled.
- the vertical movement of the transport elements 28 is at least partially independent of the vertical movement of the complete cutting tool 24.
- the height of the cutting edges 25 having cutting blade 30, ie the distance from the lower end of the cut edges 25 to the bridge 26, is so large that the head portions 29 of Transport elements 28 can be fed between the cutting blade 30.
- the transport elements 28 can also perform a pivoting movement and / or a lateral translational movement. In order to carry out this additional movement, the transport elements 28 are provided with suitable actuators or motors.
- FIG. 3 shows a variant of the complete cutting station 4, in which at least the outer transport elements 28 of the transport system 27 via pivot joints 261 are pivotally mounted on the gripper bridge 260. This will allow them to first get out of the in FIG. 2 shown, retracted position in the in FIG. 3 to move the shown extended position. Subsequently, the two outer transport elements 28 are pivoted so (see the two arrows in FIG. 3 ), that their head portions 29 approach the head portion 29 of the central transport element 28. This causes two things: On the one hand, the two outer packages 21 are inclined by the pivotal movement of the transport elements 28, so that their edges 31 are above the edge 31 of the middle package 21. On the other hand reduces by the pivoting movement 28 of the distance D between adjacent packages 21. In the in FIG. 3 shown position, the new section d between adjacent packages 21 even negative, ie the packages 21 overlap at their edges 31st
- FIG. 4 shows another variant of a complete cutting station according to the invention 4.
- the transport elements 28 of the transport system 27 are mounted on a gripper bridge 260 and movable in the vertical direction relative to the complete cutting tool 24 between a retracted and an extended position.
- FIG. 4 shows the transport elements 28 in the extended position.
- the transport elements 28 are now also transversely movable in the lateral, horizontal direction relative to one another, as again by the two arrows in FIG FIG. 4 shown is. This applies at least to the two outer transport elements 28. These can move in the horizontal direction along horizontal guides 262 to the central transport element 28 after the extension of the transport elements 28. This reduces the distance D between adjacent packages 21.
- FIG. 4 shows another variant of a complete cutting station according to the invention 4.
- the transport elements 28 of the transport system 27 are mounted on a gripper bridge 260 and movable in the vertical direction relative to the complete cutting tool 24 between a retracted and an extended position.
- FIG. 4 shows the transport elements 28 in the extended position.
- the new distance d may even be negative, ie adjacent packages 21 overlap.
- the middle transport element 28 along a vertical guide 263 on the gripper bar 260 further down than the two outer transport elements 28, so that the edges 31 of adjacent packages 21 do not collide with each other.
- FIG. 5 schematically shows a plan view of a group of new packaging 21, which is produced in three rows and three lanes in a single working cycle of the packaging machine 1. Adjacent packages 21 have a distance D from each other when they are separated out of the common film composite 5.
- FIG. 6 shows the same nine packages 21 after singulating the packages 21 and after reducing the distance between the packages by means of the transport system 27.
- the arrows in FIG. 6 indicate in which direction certain packages are moved towards each other. It can be seen that the distances D between adjacent packages 21 may decrease in two horizontal spatial directions until even an overlap between adjacent packages 21 occurs. The entire group of nine 21 packaging is thus significantly more compact than the original, in FIG. 5 illustrated situation.
- packages 21 are produced in the thermoforming packaging machine 1 by closing packaging trays 14 in the sealing station 3 with a cover film 10.
- the packages 21 hang together in a common film composite 5, which is located in a horizontal plane E (see FIG. 2 ) and from the lower film 8 and the upper film 10 is formed.
- n for example, 3 ⁇ 3
- the transport system 27 lowers its transport elements 28 until Head portions 29 of the transport elements 28 each engage with a package 21 in engagement.
- the packages 21 are fixed to the transport elements 28, so that the packages 21 initially maintain their positions relative to each other even when they are cut out of the film composite 5.
- the complete cutting tool 24 lowers, so that the cutting edges 25 of the cutting blades 30 cut through the film composite 5, thus separating the packages 21 from each other in a single operation.
- the transport elements 28 move in the vertical direction from their retracted to a downwardly extended position, see Figures 3 or 4 , The top of the packages 21 is thus below the plane E of the original film composite 5 and preferably below a lower edge of the complete cutting station 4th
- the overlapping packages 21 can now be lowered if necessary even further and are used in a common outer packaging 22, which is located below the complete cutting station 4.
- a common outer packaging 22 which is located below the complete cutting station 4.
- the complete cutting station 4 according to the invention and the method according to the invention can be modified in many ways.
- any number of packages in n tracks and / or m rows is produced simultaneously.
- the complete cutting tool 24 and the transport system 27 should then be configured accordingly in order to be able to separate the relevant group of packages simultaneously and transport them out of the complete cutting station 4.
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- Engineering & Computer Science (AREA)
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- Containers And Plastic Fillers For Packaging (AREA)
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Description
Die Erfindung bezieht sich auf eine Komplettschnittstation gemäß dem Oberbegriff des Anspruchs 1, sowie auf ein Verfahren zum Vereinzeln von Verpackungen, die in einem gemeinsamen Folienverbund hergestellt wurden.The invention relates to a complete cutting station according to the preamble of claim 1, and to a method for separating packages which have been produced in a common film composite.
Entsprechende Komplettschnittstationen und Verfahren sind aus der Praxis bekannt. Sie werden häufig bei Verpackungsmaschinen eingesetzt, in denen aus oder mit einer Kunststofffolie Verpackungen hergestellt werden, beispielsweise in Tiefziehverpackungsmaschinen oder Schalenverschließmaschinen ("Traysealer"). Aus Gründen der Effizienz werden Verpackungen dabei häufig mehrspurig und mehrreihig hergestellt, d.h. in einem Arbeitstakt werden sowohl hintereinander, als auch nebeneinander jeweils mehrere Verpackungen gleichzeitig hergestellt. Diese Verpackungen hängen in einem Folienverbund zusammen, da sich zumindest eine Folie durchgängig über alle Verpackungen erstreckt und diese Verpackungen miteinander verbindet. Bei Tiefziehverpackungsmaschinen ist dies die Unterfolie, in der Verpackungsmulden tiefgezogen sind. Sowohl bei Tiefziehverpackungsmaschinen, als auch bei Schalenverschließmaschinen hängen die Verpackungen mittels einer Ober- oder Deckelfolie zusammen, die gleichzeitig auf eine Vielzahl von Verpackungsmulden oder Schalen gesiegelt wird.Corresponding complete cutting stations and methods are known from practice. They are often used in packaging machines in which packaging is produced from or with a plastic film, for example in thermoforming packaging machines or traysealers. For reasons of efficiency, packaging is often produced in a multi-lane and multi-row, ie. In a work cycle, both consecutively, as well as side by side, several packages are produced simultaneously. These packagings are connected together in a foil composite, since at least one foil extends continuously over all the packagings and connects these packagings to one another. In thermoforming packaging machines, this is the bottom film in which packaging trays are deep-drawn. In both thermoforming packaging machines and tray sealing machines, the packages are contiguous by means of a top or lidding film which is simultaneously sealed onto a plurality of packaging trays or trays.
Prinzipiell gibt es zwei unterschiedliche Varianten, um solche in einem Folienverbund zusammenhängenden Verpackungen zu vereinzeln. Bei der ersten Variante sind in Transportrichtung hintereinander, d.h. getrennt voneinander, eine Längsschneideeinrichtung und eine Querschneideeinrichtung vorgesehen. Zunächst werden dabei meist die Querschnitte zwischen benachbarte Reihen von Verpackungen gesetzt, d.h. der Folienverbund wird zwischen benachbarten Reihen durchtrennt. Anschließend erfolgt durch die Längsschneideeinrichtung ein Vereinzeln der Verpackungen der jeweiligen Spuren.In principle, there are two different variants in order to separate such in a film composite related packaging. In the first variant, one after the other in the transport direction, i. separated from each other, a longitudinal cutting device and a cross-cutting device are provided. First of all, the cross sections are usually placed between adjacent rows of packages, i. the film composite is severed between adjacent rows. Subsequently, by the longitudinal cutting device a separation of the packaging of the respective tracks.
Bei der zweiten Variante, auf die sich auch die vorliegende Erfindung bezieht, werden Verpackungen in einem einzigen Arbeitsschritt aus dem Folienverbund ausgeschnitten oder ausgestanzt. Dies erfolgt mittels eines Komplettschnittwerkzeugs.In the second variant, to which the present invention also refers, packages are cut or punched out of the film composite in a single operation. This is done by means of a complete cutting tool.
Problematisch an der Verwendung eines Komplettschnittwerkzeugs kann sein, dass die Verpackungen nach dem Vereinzeln ihre Orientierung verlieren können, zum Beispiel beim Herabfallen auf ein Abführband. Dies kann nachfolgende Arbeitsschritte an den Verpackungen erschweren.The problem with the use of a complete cutting tool may be that the packages may lose their orientation after being singulated, for example when falling down onto a discharge belt. This can complicate subsequent work steps on the packaging.
Aus der
Aus der
Diese Aufgabe wird gelöst durch eine Komplettschnittstation mit den Merkmalen des Anspruchs 1 bzw. durch ein Verfahren zum Vereinzeln von Verpackungen mit den Merkmalen des Anspruchs 9. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a complete cutting station with the features of claim 1 or by a method for separating packages with the features of
Die erfindungsgemäße Komplettschnittstation weist ein Transportsystem auf, bei dem mehrere Transportelemente mit jeweils einem Kopfabschnitt zum Angreifen an einer Verpackung vorgesehen sind. Bei der Erfindung sind die Kopfabschnitte wenigstens einer, möglicherweise jedoch auch aller Transportelemente bewegbar zwischen einer ersten Stellung, in der von ihnen erfasste Verpackungen einen durch den Folienverbund definierten ersten Abstand voneinander haben, und einer zweiten Stellung, in der die Verpackungen einen zweiten, kleineren Abstand voneinander haben. Dieser zweite, kleinere Abstand kann sogar ein "negativer Abstand" sein, d.h. dass sich die Verpackungen zumindest in einer Raumrichtung wenigstens teilweise überlappen.The complete cutting station according to the invention has a transport system in which a plurality of transport elements are provided, each with a head section for engaging a packaging. In the invention, the head portions of at least one, but possibly all, of the transport elements are movable between a first position, in which packages they have covered have a first distance defined by the film composite, and a second position, in which the packages have a second, smaller distance have each other. This second, smaller distance may even be a "negative distance", i. that the packages at least partially overlap in at least one spatial direction.
Die erfindungsgemäße Komplettschnittstation bietet verschiedene Vorteile hinsichtlich der Handhabung der Verpackungen. Das Transportsystem sorgt bereits dafür, dass die Verpackungen ihre Lage und Orientierung beim Vereinzeln nicht verlieren. Denn während des Vereinzelns können die Verpackungen von den Kopfabschnitten der Transportelemente gehalten und in ihrer Lage fixiert werden. Außerdem ermöglicht das Transportsystem eine Überführung der vereinzelten Verpackungen vom Komplettschnittwerkzeug beispielsweise zu einer nachfolgenden Packstation, in der eine Gruppe von Verpackungen in eine gemeinsame Umverpackung gesetzt wird. Vor allem aber ermöglicht es das Transportsystem bei der erfindungsgemäßen Komplettschnittstation, dass mittels des Transportsystems nach dem Vereinzeln der Verpackungen der Abstand der Verpackungen verringert wird oder sogar eine Überlappung zwischen den Verpackungen erzeugt wird. Dies ermöglicht es, in einer Umverpackung gegebener Größe mehr Verpackungen unterzubringen, oder bei gegebener Zahl von Verpackungen kleinere Umverpackungen zu verwenden. Dadurch wiederum werden nachfolgende Logistikprozesse prozesssicherer, einfacher und kostengünstiger. Alternativ dazu könnten die Verpackungen nicht in eine Umverpackung, sondern auf ein Abführband oder Ähnliches abgesetzt werden - auch hier mit dem erwähnten Vorteil einer Raumersparnis und vereinfachter Logistik.The complete cutting station according to the invention offers various advantages with regard to the handling of the packages. The transport system already ensures that the packaging does not lose its position and orientation when singulated. Because during the separation, the packages can be held by the head sections of the transport elements and fixed in their position. In addition, the transport system allows a transfer of the individual packages from the complete cutting tool, for example, to a subsequent packing station, in which a group of packages is placed in a common outer packaging. Above all, however, in the case of the complete cutting station according to the invention, the transport system makes it possible, by means of the transport system, to reduce the distance between the packages after the packages have been separated or even an overlap between the packages is produced. This makes it possible to accommodate more packages in an outer package of a given size, or to use smaller outer packages for a given number of packages. In turn, subsequent logistics processes become more process-reliable, simpler and less expensive. Alternatively, the packages could not be placed in an outer packaging, but be placed on a discharge conveyor or the like - again with the mentioned advantage of space savings and simplified logistics.
Vorzugsweise sind die Transportelemente translatorisch bewegbar und/oder schwenkbar, um den Abstand zwischen benachbarten Verpackungen zu verringern. Beide Varianten sind konstruktiv vergleichsweise einfach und ermöglichen eine sichere, präzise Positionierung der Verpackungen beim Verringern des gegenseitigen Abstandes.Preferably, the transport elements are translationally movable and / or pivotable in order to reduce the distance between adjacent packages. Both variants are structurally comparatively simple and allow a secure, precise positioning of the packaging while reducing the mutual distance.
Besonders günstig ist es, wenn in der zweiten Stellung der Kopfabschnitte der Transportelemente eine teilweise Überlappung der von den Kopfabschnitten erfassten Verpackungen in zwei Raumrichtungen vorhanden ist. Damit wird die Raumersparnis beim Einsetzen der Verpackungen in eine gemeinsame Umverpackung besonders groß.It is particularly favorable if, in the second position of the head sections of the transport elements, a partial overlap of the packagings covered by the head sections is present in two spatial directions. Thus, the space savings when inserting the packaging into a common outer packaging is particularly large.
Zweckmäßigerweise sind die Transportelemente bewegbar zwischen einer eingefahrenen und einer ausgefahrenen Stellung. Dies ermöglicht ihnen, von den Kopfabschnitten der Transportelemente erfasste Verpackungen aus dem Komplettschnittwerkzeug heraus zu transportieren. Die Bewegung zwischen einer eingefahrenen und einer ausgefahrenen Stellung kann dabei entweder unabhängig von der den Abstand zwischen den Verpackungen verringernden Bewegung der Transportelemente sein, oder die Bewegung zwischen der eingefahrenen und der ausgefahrenen Stellung der Transportelemente kann überlagert sein bzw. gleichzeitig stattfinden mit der den Abstand zwischen benachbarten verringernden Bewegung.Conveniently, the transport elements are movable between a retracted and an extended position. This enables them to transport packages caught by the head sections of the transport elements out of the complete cutting tool. The movement between a retracted and an extended position can either be independent of the distance between the packaging reducing movement of the transport elements, or the movement between the retracted and the extended position of the transport elements can be superimposed or take place simultaneously with the distance between adjacent reducing movement.
Wenn sich die Kopfabschnitte der Transportelemente in der eingefahrenen Stellung zwischen Schnittkanten des Komplettschnittwerkzeugs befinden, kann die Komplettschnittstation besonders kompakt gebaut werden.If the head sections of the transport elements are in the retracted position between cut edges of the complete cutting tool, the complete cutting station can be made particularly compact.
Das Komplettschnittwerkzeug ist erfindungsgemäß im Betrieb der Komplettschnittstation oberhalb des Folienverbunds angeordnet. Dies hat den Vorteil, dass der Raum unterhalb der vereinzelten Verpackungen frei bleibt, also insbesondere nicht durch ein Komplettschnittwerkzeug belegt ist. Somit könnten Umverpackungen oder ein Abführband direkt unter den zu vereinzelnden Verpackungen platziert werden, was die Handhabung der Verpackungen noch weiter erleichtert.The complete cutting tool according to the invention is arranged in the operation of the complete cutting station above the film composite. This has the advantage that the space below the isolated packaging remains free, so in particular is not occupied by a complete cutting tool. Thus, outer packaging or a discharge belt could be placed directly under the packaging to be separated, which further facilitates the handling of the packaging.
Vorzugsweise weist das Komplettschnittwerkzeug eine mehrere Schnittkanten des Werkzeugs verbindende Brücke auf. Jede Schnittkante kann dabei zum Vereinzeln oder Ausstanzen einer einzelnen Verpackung vorgesehen sein. Die Verbindung der Schnittkanten über eine Brücke erhöht die Stabilität der Schnittkanten und gewährleistet damit ein noch präziseres, gleichzeitiges Vereinzeln mehrerer Verpackungen.The complete cutting tool preferably has a bridge connecting several cutting edges of the tool. Each cut edge can be used for singling or punching be provided a single package. The connection of the cut edges over a bridge increases the stability of the cut edges and thus ensures an even more precise, simultaneous separation of several packages.
Darüber hinaus bieten solche Brücken die Möglichkeit, an ihnen die Transportelemente des Transportsystems schwenkbar und/oder translatorisch bewegbar zu lagern. Beispielsweise könnte dies durch Schwenklager oder Schienen erfolgen.In addition, such bridges offer the possibility of pivotally and / or translationally to store the transport elements of the transport system on them. For example, this could be done by means of pivot bearings or rails.
Erfindungsgemäß handelt es sich bei den Transportelementen um Sauggreifer und bei den Kopfabschnitten um Saugköpfe dieser Sauggreifer. Eine Unterdruckpumpe kann dazu verwendet werden, an den Saugköpfen Unterdruck anzulegen, um dort Verpackungen fixieren zu können.According to the invention, the transport elements are suction grippers and the head sections are suction heads of these suction grippers. A vacuum pump can be used to apply vacuum to the suction cups in order to be able to fix packages there.
Die Erfindung bezieht sich darüber hinaus auch auf eine Verpackungsmaschine mit einer Komplettschnittstation der vorstehend beschriebenen Art. Bei der Verpackungsmaschine kann es sich insbesondere um eine Tiefziehverpackungsmaschine oder um eine Schalenverschließmaschine handeln.The invention moreover relates to a packaging machine with a complete cutting station of the type described above. The packaging machine may in particular be a thermoforming packaging machine or a tray sealing machine.
Ferner bezieht sich die Erfindung auch auf ein Verfahren zum Vereinzeln von Verpackungen, die in einem gemeinsamen Folienverbund hergestellt wurden. Bei diesem Verfahren werden die noch im Folienverbund zusammenhängenden Verpackungen mittels je eines Kopfabschnitts eines Transportelements ergriffen, die Verpackungen werden mittels eines den Folienverbund durchtrennenden Komplettschnittwerkzeugs vereinzelt, und anschließend werden die jeweils eine Verpackung ergreifenden Kopfabschnitte der Transportelemente derart bewegt, dass sich der Abstand benachbarter Verpackungen verringert und/oder dass sich benachbarte Verpackungen wenigstens teilweise überlappen. Dieses Verfahren bietet die gleichen Vorteile wie vorstehend hinsichtlich der erfindungsgemäßen Komplettschnittstation erläutert.Furthermore, the invention also relates to a method for separating packages which have been produced in a common film composite. In this method, the still in the film composite contiguous packaging are taken by means of a head portion of a transport element, the packages are separated by means of the composite film severing complete cutting tool, and then the respective packaging grabbing a head portions of the transport elements are moved so that the distance between adjacent packages is reduced and / or that adjacent packages at least partially overlap. This method offers the same advantages as explained above with regard to the complete cutting station according to the invention.
Um eine einfache und dennoch präzise Positionierung der Verpackungen zu ermöglichen, können die Transportelemente verschwenken und/oder sich translatorisch bewegen, um die Abstände zwischen benachbarten Verpackungen zu verringern.In order to allow a simple yet precise positioning of the packages, the transport elements can pivot and / or translate to reduce the distances between adjacent packages.
Denkbar wäre es ferner, dass sich einige Transportelemente zunächst in einer Richtung senkrecht zu einer Ebene des Folienverbunds bewegen, bevor die Abstände zwischen den Kopfabschnitten der Transportelemente verringert werden. Dies ermöglicht es, einigeIt would also be conceivable that some transport elements initially move in a direction perpendicular to a plane of the film composite before the distances between the head sections of the transport elements are reduced. This allows some
Verpackungen zunächst in eine höhere oder tiefere Ebene zu bringen als benachbarte Verpackungen. Dies kann das Überlappen der Verpackungen erleichtern, da die Kollision der Ränder benachbarter Verpackungen auf der gleichen Höhe vermieden wird. Insbesondere wäre es denkbar, dass sich entlang einer Reihe und/oder einer Spur von Verpackungen jede zweite Verpackung auf diese Weise zunächst senkrecht zur Ebene des Folienverbunds in eine andere Ebene bringen lässt, bevor die Abstände zwischen benachbarten Verpackungen verringert oder die Verpackungen überlappt werden.Initially, bring packaging to a higher or lower level than neighboring packaging. This can facilitate overlapping of the packages as the collision of the edges of adjacent packages at the same height is avoided. In particular, it would be conceivable that, along one row and / or one track of packages, every second package can be initially brought perpendicular to the plane of the film composite in another plane before the distances between adjacent packages are reduced or the packages are overlapped.
Ein besonders einfaches Fixieren und Lösen der Verpackungen kann ermöglicht werden, indem die Verpackungen durch Ansaugen an den Kopfabschnitten der Transportelemente ergriffen werden.A particularly simple fixing and loosening of the packages can be made possible by gripping the packages by suction on the head sections of the transport elements.
Im Folgenden wird ein vorteilhaftes Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher erläutert. Im Einzelnen zeigen:
- Figur 1
- ein Ausführungsbeispiel einer erfindungsgemäßen Verpackungsmaschine in Form einer Tiefziehverpackungsmaschine,
- Figur 2
- eine Darstellung der wichtigsten Komponenten einer erfindungsgemäßen Komplettschnittstation in einem ersten Zustand,
Figur 3- eine Darstellung der in
Figur 2 gezeigten Komplettschnittstation in einem zweiten Zustand, Figur 4- eine Darstellung der in
Figur 2 gezeigten Komplettschnittstation in veränderter Ausführungsform, Figur 5- eine Draufsicht auf eine Gruppe von Verpackungen beim Vereinzeln und
- Figur 6
- eine Draufsicht auf die in
gezeigten Verpackungen nach dem Verringern des Abstands benachbarter Verpackungen.Figur 5
- FIG. 1
- An embodiment of a packaging machine according to the invention in the form of a thermoforming packaging machine,
- FIG. 2
- a representation of the most important components of a complete cutting station according to the invention in a first state,
- FIG. 3
- a representation of in
FIG. 2 shown complete cutting station in a second state, - FIG. 4
- a representation of in
FIG. 2 shown complete cutting station in a modified embodiment, - FIG. 5
- a plan view of a group of packages when separating and
- FIG. 6
- a top view of the in
FIG. 5 shown packaging after reducing the distance of adjacent packaging.
Gleiche Komponenten sind in den Figuren durchgängig mit gleichen Bezugszeichen versehen.The same components are provided throughout the figures with the same reference numerals.
In der dargestellten Ausführungsform ist die Formstation 2 als eine Tiefziehstation ausgebildet, an der in die Folie 8 durch Tiefziehen Mulden 14 geformt werden. Dabei kann die Formstation 2 derart ausgebildet sein, dass in der Richtung senkrecht zur Arbeitsrichtung R mehrere Mulden nebeneinander gebildet werden. In Arbeitsrichtung R hinter der Formstation 2 ist eine Einlegestrecke 15 vorgesehen, in der in der Folie 8 geformte Mulden 14 manuell oder automatisch mit einem Produkt 16 befüllt werden.In the illustrated embodiment, the forming station 2 is formed as a thermoforming station, are formed in the film 8 by
Die Siegelstation 3 verfügt über eine verschließbare Kammer 17, in der die Atmosphäre in den Verpackungsmulden 14 vor dem Versiegeln z.B. durch Gasspülen mit einem Austauschgas oder mit einem Gasgemisch ersetzt werden kann. Alternativ dazu können die Verpackungsmulden 14 in der verschließbaren Kammer 17 evakuiert werden.The sealing
An der Komplettschnittstation 4 werden die in einem Arbeitstakt der Verpackungsmaschine 1 gemeinsam hergestellten Verpackungen gleichzeitig vereinzelt. Dabei werden sie gleichzeitig aus dem Folienverbund 5 ausgeschnitten. Dieser Folienverbund 5 ergibt sich aus der Unterfolie 8 und der Deckelfolie 10, über die alle Verpackungen der Gruppe von Verpackungen zusammenhängen. In der Komplettschnittstation wird jede Verpackung in einem einzigen Arbeitsgang aus dem Folienverbund 5 ausgeschnitten bzw. ausgestanzt.At the
Die Verpackungsmaschine 1 verfügt ferner über eine Steuerung 18. Sie hat die Aufgabe, die in der Verpackungsmaschine 1 ablaufenden Prozesse zu steuern und zu überwachen. Eine Anzeigevorrichtung 19 mit Bedienelementen 20 dient zum Visualisieren bzw. Beeinflussen der Prozessabläufe in der Verpackungsmaschine 1 für bzw. durch einen Bediener.The packaging machine 1 also has a
Die generelle Arbeitsweise der Verpackungsmaschine 1 wird im Folgenden kurz beschrieben.The general operation of the packaging machine 1 will be briefly described below.
Die Unterfolie 8 wird von der Zufuhrrolle 7 abgezogen und durch eine Vorschubeinrichtung in die Formstation 2 transportiert. In der Formstation 2 werden durch Tiefziehen Mulden 14 in der Folie 8 gebildet. Die Mulden 14 werden zusammen mit dem umgebenden Bereich der Folie 8 in einem Hauptarbeitstakt zur Einlegestrecke 15 weiter transportiert, in der sie mit Produkt 16 befüllt werden.The lower film 8 is withdrawn from the feed roller 7 and transported by a feed device in the forming station 2. In the forming station 2
Anschließend werden die befüllten Mulden 14 zusammen mit dem sie umgebenden Bereich der Folie 8 in einem weiteren Hauptarbeitstakt durch die Vorschubeinrichtung in die Siegelstation 3 weiter transportiert. Die Deckelfolie 10 wird nach einem Ansiegelvorgang an die Folie 8 mit der Vorschubbewegung der Folie 8 weiter transportiert. Dabei wird die Deckelfolie 10 von dem Materialspeicher 9 abgezogen. Durch das Ansiegeln der Deckelfolie 10 auf die Verpackungsmulden 14 entstehen verschlossene Verpackungen 21, die zunächst weiterhin in einem gemeinsamen Folienverbund 5 zusammenhängen. Dieser Folienverbund wird - wie erläutert - aus der Unterfolie 8 und der Deckelfolie 10 gebildet. In der Komplettschnittstation 4 werden die Verpackungen 21 schließlich vereinzelt.Subsequently, the filled
Im Bereich der Komplettschnittstation 4 können Umverpackungen 22 bereitgestellt werden, beispielsweise Kartons, um vereinzelte Verpackungen 21 aufzunehmen.
Die Schnittkanten 25 sind an einer Brücke 26 befestigt, die alle Schnittkanten 25 des Werkzeugs 24 miteinander verbindet. Die Brücke 26 kann durch einen geeigneten Antrieb, beispielsweise einen Servomotor, in vertikaler Richtung gegenüber dem Folienverbund 5 bewegt werden, damit die Schnittkanten 25 den Folienverbund 5 durchtrennen und so die Verpackungen 21 vereinzeln können. Benachbarte Verpackungen haben beim Vereinzeln - wie in
Die Komplettschnittstation 4 verfügt ferner über ein Greifer- oder Transportsystem 27. Das Transportsystem 27 weist mehrere bewegliche Transportelemente 28 auf, von denen jedes einen Kopfabschnitt 29 aufweist, um jeweils eine einzige Verpackung 21 am Transportelement 28 fixieren zu können. Vorzugsweise handelt es sich bei den Transportelementen 28 um Sauggreifer und bei den Kopfabschnitten 29 entsprechend um Saugköpfe dieser Sauggreifer. Wird an ihnen mittels einer geeigneten Unterdruckquelle ein Unterdruck angelegt, werden Verpackungen 21 an den an sie angelegten Saugköpfen 29 fixiert.The
Der Kopfabschnitt 29 jedes Transportelements 28 hat solche äußeren Abmessungen, dass er sich vollständig innerhalb der durch eine Schnittkante 25 für eine bestimmte Verpackung 21 definierten Kontur befinden kann, d.h. nicht mit der Schnittkante 25 interferiert. Die Transportelemente 28 selbst sind im Wesentlichen stabförmig und erstrecken sich in vertikaler Richtung. An seinem unteren Ende trägt ein Transportelement 28 seinen Kopfabschnitt 29, an dem es eine Verpackung 21 fixieren kann. Im Inneren des stabförmigen Transportelements 28 kann eine Pneumatikleitung zum Anlegen eines Unterdrucks am Kopfabschnitt 29 vorhanden sein.The
Die Transportelemente 28 sind im dargestellten Ausführungsbeispiel an einer Greiferbrücke 260 der Komplettschnittstation 4 gelagert. Insbesondere sind sie dort so gelagert, dass sie sich in vertikaler Richtung relativ zum Komplettschnittwerkzeug 24 bewegen können, und zwar zwischen einer eingefahrenen Stellung, in der sich die Kopfabschnitte 29 zwischen den Schnittkanten 25 befinden, und einer nach unten ausgefahrenen Stellung. Durch die Befestigung an der Greiferbrücke 260 ist die Vertikal- oder Hubbewegung der Transportelemente 28 gekoppelt. Die Vertikalbewegung der Transportelemente 28 ist wenigstens abschnittsweise unabhängig von der Vertikalbewegung des Komplettschnittwerkzeugs 24. Die Höhe der die Schnittkanten 25 aufweisenden Schneidmesser 30, d.h. der Abstand von dem unteren Ende der Schnittkanten 25 bis zur Brücke 26, ist so groß, dass die Kopfabschnitte 29 der Transportelemente 28 zwischen die Schneidmesser 30 eingezogen werden können.The
Zusätzlich zu der Vertikalbewegung zwischen einer eingefahrenen und einer ausgefahrenen Stellung können die Transportelemente 28 auch eine Schwenkbewegung und/oder eine seitliche Translationsbewegung ausführen. Um diese zusätzliche Bewegung ausführen zu können, sind die Transportelemente 28 mit geeigneten Stellgliedern oder Motoren versehen.In addition to the vertical movement between a retracted and an extended position, the
Im Folgenden wird der Ablauf des erfindungsgemäßen Verfahrens bzw. der Betrieb der erfindungsgemäßen Verpackungsmaschine 1 geschildert.The sequence of the method according to the invention or the operation of the packaging machine 1 according to the invention is described below.
Wie bereits oben dargelegt, werden Verpackungen 21 in der Tiefziehverpackungsmaschine 1 hergestellt, indem Verpackungsmulden 14 in der Siegelstation 3 mit einer Deckelfolie 10 verschlossen werden. Die Verpackungen 21 hängen dabei in einem gemeinsamen Folienverbund 5 zusammen, der sich in einer horizontalen Ebene E befindet (siehe
In einem Hauptarbeitstakt der Verpackungsmaschine 1 wird eine Gruppe von n (beispielsweise 3x3) gleichzeitig hergestellten Verpackungen 21 in die Komplettschnittstation 4 transportiert. Dort senkt das Transportsystem 27 seine Transportelemente 28 ab, bis Kopfabschnitte 29 der Transportelemente 28 jeweils mit einer Verpackung 21 in Eingriff gelangen. Durch Anlagen eines Unterdrucks an die Kopfabschnitte 29 werden die Verpackungen 21 an den Transportelementen 28 fixiert, sodass die Verpackungen 21 auch bei ihrem Ausschneiden aus dem Folienverbund 5 zunächst ihre Positionen relativ zueinander beibehalten.In a main operating cycle of the packaging machine 1, a group of n (for example, 3 × 3) simultaneously produced
Im nächsten Schritt senkt sich das Komplettschnittwerkzeug 24, sodass die Schnittkanten 25 der Schneidmesser 30 den Folienverbund 5 durchtrennen und so die Verpackungen 21 in einem einzigen Arbeitsschritt voneinander vereinzeln. Anschließend bewegen sich die Transportelemente 28 in vertikaler Richtung von ihrer eingefahrenen in eine nach unten ausgefahrene Position, siehe
Nun werden die Abstände zwischen benachbarten Verpackungen verringert. Dies kann entweder durch ein Verschwenken wenigstens einiger Transportelemente 28 geschehen - siehe
Die miteinander überlappten Verpackungen 21 können nun bedarfsweise noch weiter abgesenkt werden und in eine gemeinsame Umverpackung 22 eingesetzt werden, die sich unterhalb der Komplettschnittstation 4 befindet. Sobald die Umverpackung 22 hinreichend gefüllt ist, d.h. eine gewünschte Anzahl von Verpackungen 21 enthält, kann sie mittels des Förderelements 23 abtransportiert werden. Dabei ist es möglich, dass die Umverpackung 22 nur eine oder mehrere Lagen von Verpackungen 21 übereinander enthält.The overlapping packages 21 can now be lowered if necessary even further and are used in a common
Ausgehend von dem dargestellten Ausführungsbeispiel können die erfindungsgemäße Komplettschnittstation 4 und das erfindungsgemäße Verfahren in vielfacher Hinsicht abgewandelt werden. Insbesondere ist es denkbar, dass eine beliebige Anzahl von Verpackungen in n Spuren und/oder m Reihen gleichzeitig hergestellt wird. Das Komplettschnittwerkzeug 24 und das Transportsystem 27 sollten dann entsprechend konfiguriert werden, um die betreffende Gruppe von Verpackungen gleichzeitig vereinzeln und aus der Komplettschnittstation 4 heraustransportieren zu können.Starting from the illustrated embodiment, the
Claims (12)
- Complete cutting station (4) for separatingly cutting out packaging units (21) from a film composite (5) by means of a movable complete cutting tool (24) configured for severing said film composite, further comprising a conveying system (27) having a plurality of conveyor elements (28) for conveying a respective separated packaging unit (21), where each conveyor element (28) comprises a head portion (29) for engaging with a packaging unit (21),
characterized in that
said conveyor elements are vacuum grippers (28) and said head portions are suction heads (29) in order to hold the packaging units (21) by means of the head portions (29) and to fix them in their position during the separating step,
and in that said head portions (29) of at least some conveyor elements (28) are movable between a first position in which packaging units (21) that they gripped are at a first distance (D) to each other defined by said film composite (5), and a second position in which said packaging units (21) are at a second, smaller distance (d) from each other or at least partially overlap in at least one spatial direction,
wherein said complete cutting tool (24) during operation of said complete cutting station (4) is arranged above said film composite (5). - Complete cutting station according to claim 1 characterized in that said conveyor elements (28) are translationally movable and / or pivotable.
- Complete cutting station according to one of the preceding claims characterized in that in said second position of said head portions (29), there is a partial overlap in two spatial directions of said packaging units (21) gripped by said head portions (29).
- Complete cutting station according to one of the preceding claims characterized in that said conveyor elements (28) are movable between a retracted and an extended position.
- Complete cutting station according to claim 4 characterized in that said head portions (29) of said conveyor elements (28) in said retracted position are located between cutting edges (25) of said complete cutting tool (24).
- Complete cutting station according to one of the preceding claims characterized in that said complete cutting tool (24) comprises a bridge (26) connecting several cutting edges (25).
- Complete cutting station according to one of the preceding claims characterized in that said conveyor elements (28) are mounted to a gripper bridge (260) in a pivotal and / or translationally movable manner.
- Packaging machine (1) with a complete cutting station (4) according to one of the preceding claims.
- Method for separating packaging units (21) which were produced in a common film composite, said method comprising the following steps:- gripping said packaging units (5), still being attached to each other in said film composite (5), each by means of a respective head portion (29) of a conveyor element (28),- separating said packaging units (21) by means of a complete cutting tool (24) severing said film composite,- moving said respective head portions (29) of said conveyor elements (28) gripping said packaging units such that the distance between adjacent packaging units (21) is reduced and / or adjacent packaging units (21) partially overlap.
- The method according to claim 9, where said conveyor elements (28) pivot and / or move translationally to reduce the distances between adjacent packaging units (21).
- Method according to one of the claims 9 or 10, where some conveyor elements (28) initially move in a direction perpendicular to a plane of said film composite, before the distances between said head portions (29) of said conveyor elements (28) are reduced.
- Method according to one of the claims 9 to 11, where said packaging units (21) are gripped at said head portions (29) of said conveyor elements (28) by suction action.
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DE201110104823 DE102011104823A1 (en) | 2011-06-20 | 2011-06-20 | Complete cutting station and method for separating packages |
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EP2537766B1 true EP2537766B1 (en) | 2014-06-04 |
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EP (1) | EP2537766B1 (en) |
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DE102011115142B4 (en) | 2011-09-27 | 2017-09-21 | Multivac Sepp Haggenmüller Se & Co. Kg | Method for separating packages |
CA2953301A1 (en) * | 2014-07-04 | 2016-01-07 | Sarong S.P.A. | Machine and method for making capsules for beverages |
EP3109018B1 (en) | 2015-06-24 | 2018-05-16 | MULTIVAC Sepp Haggenmüller SE & Co. KG | Deep draw packaging machine with full cutting station and corresponding methode |
CN115158821B (en) * | 2022-07-15 | 2024-06-25 | 北京声智科技有限公司 | Sampling swab packaging and disassembling equipment |
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US3168204A (en) * | 1961-06-29 | 1965-02-02 | Voullaire Izak Johannes | Apparatus for packing fruit |
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DE2205233C3 (en) * | 1972-02-04 | 1975-06-26 | Multivac Sepp Haggenmueller Kg, 8941 Wolfertschwenden | Cutting device for packaging |
US4043234A (en) * | 1976-11-24 | 1977-08-23 | Victor B. Godin, Trustee | Apparatus and method for cutting circles from sheet material |
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US5611193A (en) * | 1995-01-31 | 1997-03-18 | Hudson Control Group, Inc. | Two-axis article loader/unloader |
ES1032586Y (en) * | 1995-11-24 | 1996-10-16 | Engranajes Ekin S A | PACKING MACHINE OF CITRIC PRODUCTS. |
DE19733824C2 (en) * | 1997-08-05 | 1999-06-17 | Thies Eggers | Cutting device for separating packages from a strand |
US5943842A (en) * | 1997-12-22 | 1999-08-31 | Flexicell, Inc. | Adjustable suction head apparatus for packaging articles |
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US6209293B1 (en) * | 1999-06-25 | 2001-04-03 | Box Loader, Llc | Packing apparatus for packing multiple layers of containers into a receptacle |
DE60230819D1 (en) * | 2002-10-11 | 2009-02-26 | Bando Kiko Co | DEVICE FOR MACHINING WINDOW DISCS |
US7107742B2 (en) * | 2003-08-05 | 2006-09-19 | Material Pour L'arboriculture Fruitiere | Automatic packing device for the filling of containers by means of superposed layers of products, in particular fruits such as oranges |
US8069763B2 (en) * | 2004-07-30 | 2011-12-06 | Maxwell Chase Technologies, Llc | Article slicer with integral pick and placer |
WO2007038311A1 (en) * | 2005-09-23 | 2007-04-05 | Delkor Systems, Inc. | Split package assembly |
AU2006345177B2 (en) * | 2006-06-27 | 2011-09-22 | Idm World, S.L. | Machine for forming, filling and closing expanded-polymer containers |
SI1882652T1 (en) * | 2006-07-26 | 2008-10-31 | Indag Gmbh | Gripping device |
ATE549279T1 (en) * | 2007-10-10 | 2012-03-15 | Langen Packaging Inc | DEVICE WITH MULTIPLE INTERVENTION DEVICES |
DE102009031516B4 (en) * | 2009-07-02 | 2013-09-05 | Multivac Sepp Haggenmüller Gmbh & Co. Kg | Method for grouping packages |
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2011
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- 2012-06-12 ES ES12004410.2T patent/ES2487849T3/en active Active
- 2012-06-12 EP EP20120004410 patent/EP2537766B1/en active Active
- 2012-06-19 US US13/527,106 patent/US9272798B2/en active Active
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DE102011104823A1 (en) | 2012-12-20 |
US9272798B2 (en) | 2016-03-01 |
ES2487849T3 (en) | 2014-08-25 |
EP2537766A1 (en) | 2012-12-26 |
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