EP3046839B1 - Apparatus for producing packaging units - Google Patents

Apparatus for producing packaging units Download PDF

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Publication number
EP3046839B1
EP3046839B1 EP14749729.1A EP14749729A EP3046839B1 EP 3046839 B1 EP3046839 B1 EP 3046839B1 EP 14749729 A EP14749729 A EP 14749729A EP 3046839 B1 EP3046839 B1 EP 3046839B1
Authority
EP
European Patent Office
Prior art keywords
appliance
film
take
base frame
conveying
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.)
Not-in-force
Application number
EP14749729.1A
Other languages
German (de)
French (fr)
Other versions
EP3046839A1 (en
Inventor
Markus Schmachtel
Horst Konstandin
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.)
Hastamat Verpackungstechnik GmbH and Co KG
Original Assignee
Hastamat Verpackungstechnik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hastamat Verpackungstechnik GmbH and Co KG filed Critical Hastamat Verpackungstechnik GmbH and Co KG
Priority to PL14749729T priority Critical patent/PL3046839T3/en
Publication of EP3046839A1 publication Critical patent/EP3046839A1/en
Application granted granted Critical
Publication of EP3046839B1 publication Critical patent/EP3046839B1/en
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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
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • 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
    • 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
    • B65B35/50—Stacking one article, or group of articles, upon another before packaging
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/007—Guides or funnels for introducing articles into containers or wrappers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/005—Packaging other articles presenting special problems packaging of confectionery

Definitions

  • the present invention relates to a device for the production of packaging units in a tubular bag machine with a horizontal conveyor for transferring isolated products to a portioning device for the production of portion units with a defined arrangement and number of products and with a vertical conveyor for conveying the portion of a film wrapped serving units to a singulator Separation of the packaging units, wherein the vertical conveyor has two belt conveyors arranged parallel to each other, which define a conveying channel for conveying the portions wrapped by the film web with conveyor belts enveloped opposite each other, wherein a film take-off device laterally delimiting the conveyor channel is arranged parallel to the belt conveyors, which film edges which covers the portion units enveloping film web and the Promotes film web synchronously with the conveyed by the vertical conveyor portion units.
  • Devices of the type mentioned above allow the vertically successive arrangement of a portioning with subsequent vertical conveyor, wherein in the vertical conveyor simultaneously with the continuous promotion of portioning units produced in the portioning their wrapping with a film web and usually also the sealing of film edges of the film web Forming of the portion units receiving film tube takes place.
  • the vertical conveyor simultaneously with the continuous promotion of portioning units produced in the portioning their wrapping with a film web and usually also the sealing of film edges of the film web
  • Forming of the portion units receiving film tube takes place.
  • DE 20 2012 004 631 U1 discloses such a known device.
  • the invention is therefore based on the object to propose an apparatus for the production of packaging units, which allows the production of a close-fitting product packaging while at the same time as product gentle promotion of the packaging products.
  • This object is achieved by a device having the features of claim 1.
  • the device according to the invention has a vertical conveyor, which has a winningkanaleinstell issued for setting the distance b of the oppositely arranged conveyor sides of the conveyor belt and a film removal device with an adjustment for adjusting the distance a 3 of the film removal device relative to the vertical conveyor.
  • the device according to the invention enables exact dimensioning of the conveyor channel with appropriate adaptation of the conveyor channel cross section to the product conveyed through the conveyor channel. This ensures that the production of a close-fitting product outer packaging is made possible without too much pressure being exerted on the products by the conveyor belts of the vertical conveyor device or the film removal device acting on the portion units via the film web.
  • the conveyor channel setting device has two axial feed devices which are arranged on a base frame of the vertical conveyor and which each act on a belt conveyor, the feed axes of which are aligned parallel to the base frame.
  • the base frame can be used simultaneously for the arrangement of the film take-off device, so that the vertical conveyor provided with the conveyor channel setting device can be formed in combination with the film take-off device via the connection to the base frame as a modular transport unit connected to a machine frame of the device by means of a connection of the base frame for the production of packaging units can be combined.
  • the axial feeders for adjusting the distance of the belt conveyors change the distance between drive axes of the belt conveyors, a particularly compact design of winningkanaleinstell coupled possible.
  • the adjustment means are decoupled from each other, so that in each case one adjustment axis for each of the two adjustment is sufficient, and the Stellachsen can not influence each other.
  • variable-length boom which are each provided at its free end with a take-off roller, wherein the distance of the adjusting frame relative to the base frame by means of an axial feed device is variable
  • the Abzugsollen the film removal device are provided with a camber adjustment that allows the setting of a camber angle of roll axes of the take-off rolls with respect to the horizontal, it is possible that transmitted from the take-off rolls in a feed nip on the film web, acting in the conveying direction propulsive force a transverse force transverse to the conveying direction to superimpose, so that when setting a suitable camber angle in the cross section of the film web, a tensile force acts, which causes a close contact of the film web to the portion unit and the size of which is adjustable by setting the camber angle.
  • the camber adjustment device has an actuator which is arranged on the base frame and which is connected via an actuating shaft to a pivoting device arranged on the take-off rollers of the film take-off device for pivoting the roller axis.
  • the control shaft is designed as a propeller shaft.
  • Fig. 1 shows a packaging device 10, which serves for the production of packaging units not shown comprising a wrapped in a film web 11 portion unit 12.
  • the packaging device 10 comprises in the in Fig. 1 illustrated embodiment, a product conveyor 13, are conveyed by means of the individual products 14 to a portioning device 15, which in the present case, a circulation conveyor 16 with independently in the conveying direction 17 moving portion stops 18, 19 which are kinematically controlled so that in a transfer region between the product conveyor 13 and the portioning device 15 consecutively individual products 14 are stacked on a front portion stop 18, during the stacking in time in the conveying direction 17 of the circulating conveyor 16 is moved until finally after reaching a defined stack height of the rear portion stop 19 is moved against the stacked portion unit 12, so that the portion unit 12 defined between the portion stops 18, 19 is received.
  • the portion unit 12 passes through a film web deflection device 26 which has at its upper end a arranged on a vertical envelope axis 27 inlet opening 28 and at its lower end laterally to the envelope axis 27 has a film edge guide slot 29.
  • FIG. 1 shows the Folienbahnumlenk issued 26 for redirecting the film web 11 from a horizontal conveyor track section 30 in a vertical conveyor section 31, wherein at the same time the formation of a film wrapping 24 of the portion unit 12 by means of the inlet opening 28 bounding form shoulders 32, 33 of Folienbahnumlenkvorides 26 and by means of the film edge guide slot 29 ,
  • Fig. 1 schematically shows, is parallel to the vertical conveyor 22, the two the portion unit 12 together with the film wrapping 24 between them receiving belt conveyors 34, 35 (see also Fig. 2 and 3 ) , which receive the portion unit 12 together with the film wrapping 24 enclosing the portion unit 12, a film removal device 36 is arranged.
  • the film removal device 36 has two transfer roller pairs 37, 38 arranged one above the other in the conveying direction 17, each of which a pull-in nip 39 ( Fig. 2 ) form, through which a film edge 40 is transported in the conveying direction 17.
  • the vertical conveyor 22 forms, together with the film removal device 36, a transport unit 41 which ensures synchronous delivery of the film envelope 24 together with the portion units 12 accommodated therein.
  • Fig. 2 shows the transport unit 41 in a detailed representation with the vertical conveyor 22 and arranged parallel to the vertical conveyor 22 film removal device 36.
  • a in Fig. 2 exemplified as a mounting plate executed base frame 42, which also serves to connect the transport unit 41 with a machine frame of the packaging device 10, not shown here.
  • the vertical conveyor 22 comprises, as already described with reference to FIGS Fig. 1 executed, two parallel arranged belt conveyors 34, 35, each having a frame 43 and disposed on the frame 43 deflecting means 44, 45 for guiding belt assemblies 46 which in the present case in each case two parallel conveyor belts 47, 48, in the present Case are designed as a toothed belt.
  • the conveyor belts 47, 48 are driven by means of a drive wheel 49 which is mounted on the frame 43 and which is connected via a drive shaft 50 to a drive motor 52 arranged at the end of a shaft housing 51.
  • a winning symbol for exemplary embodiment of a winning symbol, which is used to adjust the distance b from oppositely arranged conveying sides 61, 62 of the conveyor belt 34, 35 are, especially in the Fig. 3 shown, the drive shafts 50 and the shaft housing 51 of the drive shafts 50 housed in adjusting housings 54 which are arranged in a guide frame 55 on transverse guides 56 and therefore on a parallel to the base frame 42 ( FIGS. Fig. 2 ) extending Zustellachse 23 transversely to defined by the drive shafts 50 drive axles 53 of the belt conveyors 34, 35 are displaceable.
  • an actuator 57 Connected to the guide frame 55 is an actuator 57 which has a guided in a shaft housing 58 drive shaft 59 which is driven by a arranged at the end of the shaft housing 58 drive motor 60.
  • the drive shaft 59 acts via a non-illustrated here, arranged in the guide frame 55 deflection on the adjusting housing 54, which are moved synchronously in opposite directions depending on the direction of rotation of the drive shaft 59, so that the distance a 1 between the drive axles 53 of the belt conveyors 34, 35th either increased or decreased.
  • Fig. 3 shows, by the distance b of the facing conveyor sides 61, 62 of the belt conveyor 34, 35 defines the width b of a conveyor belt 63 formed between the belt conveyors.
  • portion units 12 designed as a product stack are conveyed here, wherein in the present case a representation of the film wrapping 24 has been dispensed with for the sake of simplified illustration. In any case, starting from the representation in Fig.
  • pads 64, 65 of the guide frame 55 are provided with connecting means 66, 67, which are used to connect the guide frame 55 of the vertical conveyor 22 to the base frame Serve 42, such that - as in Fig. 2 shown - the guide frame 55 is connected to a rear side 68 of the base frame 42 formed here as a mounting plate.
  • the adjusting housing 54 with the shaft housings 51 accommodated therein are arranged in window openings 69 of the base frame 42.
  • Fig. 2 shows, the vertical conveyor 22 is combined in the transport unit 41 with the film take-off device 36, each having two Abzugsrollencrue 37, 38, which form the nip 39, in the - as in Fig. 1 represented - the film edge 40 is retracted, so that in synchronism with the vertical conveying of the portion units 12 in the conveying channel 63, a promotion of the film wrapping 24 in the conveying direction 17 takes place.
  • the individual take-off rollers 70 of the film removal device 36 are each driven via a drive shaft 71, wherein the two drive shafts 71 of a pair of take-off rollers 37, 38 are driven by a common drive motor 72 via a transfer case 73.
  • the drive shafts 71 are each located in a shaft housing 74, which is passed through a window opening 75 in the base frame 42 and connected to a positioning frame 76, on which the drive motor 72 and the transfer case 73 is arranged and which is parallel to the base frame 42 movable.
  • FIG. 4 shows, on the adjusting frame 76 for forming an axial feed device an actuator 77 arranged with a servomotor 78 which drives an adjusting spindle 79 which engages in a base frame 42 arranged on the spindle nut 80 and immersed in a arranged on a front 81 of the base frame 42 spindle housing 82.
  • a servomotor 78 which drives an adjusting spindle 79 which engages in a base frame 42 arranged on the spindle nut 80 and immersed in a arranged on a front 81 of the base frame 42 spindle housing 82.
  • a drive of the adjusting spindle 79 in the one direction causes an increase in a distance a 2 between the adjusting frame 76 and the base frame 42 and a rotation of the adjusting spindle 79 in the opposite direction a reduction of the distance a 2 between the adjusting frame 76 and the base frame 42nd
  • a reduction of the distance a 2 so when the adjusting frame 76 is moved to the base frame 42, a corresponding change in a distance a 3 between the take-off rollers 70 of the film removal device 36 and a conveyor channel center axis 83 of the conveying channel 63rd
  • the shaft housing 74 of the film removal device 36 are telescopically constructed with respect to the base frame 42 fixed housing outer part 84 and a respect to the housing outer part axially displaceable, connected to a roller housing 86 housing inner part 85.
  • the take-off rollers 70 are each provided with a camber adjustment device 87 which permits an adjustment of a roller axle 88 relative to the horizontal 89 by a camber angle ⁇ ( FIG. Fig. 6a ) .
  • Fig. 6a and 6b referenced, in which schematically a pair of take-off rollers 37, 38 is shown with the pull-in nip 39 defined by the pair of take-off rollers 37, 38.
  • the take-off rollers 70 rotate in opposite directions and thereby pull the film edge 40 in the feed nip 39 a.
  • a camber angle ⁇ is formed, which has the consequence that the withdrawal force Z transferred from the take-off rollers 70 on the film edge 40 at the camber angle ⁇ in the in Fig.
  • the Fig. 2 and 4 show the camber adjustment device 87 with a control gear 92, each via a propeller shaft 90 from a servomotor 91, which is arranged on the rear side 68 of the base frame 42 in the region of a shaft passage 93.
  • the formation of the drive shaft between the servo motor 91 and the actuating gear 92 of the camber adjustment device 87 as a propeller shaft 90 allows that arranged on the take-off roller 70 actuating gear 92 together with the take-off roller 70 to move relative to the base frame 42, said shift a corresponding change of Joint angle of the propeller shaft 90 results.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung von Verpackungseinheiten in einer Schlauchbeutelmaschine mit einer Horizontalfördereinrichtung zur Übergabe vereinzelter Produkte an eine Portioniereinrichtung zur Herstellung von Portionseinheiten mit definierter Anordnung und Anzahl der Produkte und mit einer Vertikalfördereinrichtung zur Förderung der von einer Folienbahn umhüllten Portionseinheiten zu einer Vereinzelungseinrichtung zur Vereinzelung der Verpackungseinheiten, wobei die Vertikalfördereinrichtung zwei parallel zueinander angeordnete Riemenförderer aufweist, die mit einander gegenüberliegend angeordneten Förderseiten umlaufender Förderriemen einen Förderkanal zur Förderung der von der Folienbahn umhüllten Portionseinheiten definieren, wobei parallel zu den Riemenförderern eine den Förderkanal seitlich begrenzende Folienabzugseinrichtung angeordnet ist, welche Folienränder der die Portionseinheiten umhüllenden Folienbahn erfasst und die Folienbahn synchron mit den von der Vertikalfördereinrichtung geförderten Portionseinheiten fördert.The present invention relates to a device for the production of packaging units in a tubular bag machine with a horizontal conveyor for transferring isolated products to a portioning device for the production of portion units with a defined arrangement and number of products and with a vertical conveyor for conveying the portion of a film wrapped serving units to a singulator Separation of the packaging units, wherein the vertical conveyor has two belt conveyors arranged parallel to each other, which define a conveying channel for conveying the portions wrapped by the film web with conveyor belts enveloped opposite each other, wherein a film take-off device laterally delimiting the conveyor channel is arranged parallel to the belt conveyors, which film edges which covers the portion units enveloping film web and the Promotes film web synchronously with the conveyed by the vertical conveyor portion units.

Vorrichtungen der eingangs genannten Art ermöglichen die vertikal aufeinander folgende Anordnung einer Portioniereinrichtung mit nachfolgender Vertikalfördereinrichtung, wobei im Bereich der Vertikalfördereinrichtung gleichzeitig mit der kontinuierlichen Förderung der in der Portioniereinrichtung hergestellten Portionseinheiten deren Umhüllung mit einer Folienbahn und in der Regel auch die Versiegelung von Folienrändern der Folienbahn zur Ausbildung eines die Portionseinheiten aufnehmenden Folienschlauchs erfolgt. Zur Fertigstellung von einzelne Portionseinheiten aufnehmenden Portionsverpackungen ist es dann lediglich noch notwendig, den Folienschlauch entsprechend den darin mitgeführten Portionseinheiten zu segmentieren. DE 20 2012 004 631 U1 offenbart eine solch bekannte Vorrichtung. In der Regel wird es gewünscht, Verpackungseinheiten herzustellen, bei denen die Folienumhüllung möglichst eng an den die jeweilige Portionseinheit ausbildenden Produkten anliegt. Des Weiteren ist es gewünscht, die Umhüllung der Portionseinheiten und die Förderung der Portionseinheiten möglichst Produkt schonend auszuführen.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zur Herstellung von Verpackungseinheiten vorzuschlagen, die die Herstellung einer eng anliegenden Produktverpackung bei gleichzeitig möglichst Produkt schonender Förderung der Verpackungsprodukte ermöglicht. Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst.
Die erfindungsgemäße Vorrichtung weist eine Vertikalfördereinrichtung auf, die eine Förderkanaleinstelleinrichtung zur Einstellung zur Einstellung des Abstandes b der einander gegenüberliegend angeordneten Förderseiten der Förderriemen aufweist und eine Folienabzugseinrichtung mit einer Einstelleinrichtung zur Einstellung des Abstands a3 der Folienabzugseinrichtung gegenüber der Vertikalfördereinrichtung.Devices of the type mentioned above allow the vertically successive arrangement of a portioning with subsequent vertical conveyor, wherein in the vertical conveyor simultaneously with the continuous promotion of portioning units produced in the portioning their wrapping with a film web and usually also the sealing of film edges of the film web Forming of the portion units receiving film tube takes place. For the completion of individual portion units receiving portion packaging, it is then only necessary to segment the film tube according to the portion units entrained therein. DE 20 2012 004 631 U1 discloses such a known device. In general, it is desired to produce packaging units in which the film wrapping rests as closely as possible on the products forming the respective portion unit. Furthermore, it is desired to perform the serving of the portion units and the promotion of the serving units as product-friendly as possible.
The invention is therefore based on the object to propose an apparatus for the production of packaging units, which allows the production of a close-fitting product packaging while at the same time as product gentle promotion of the packaging products. This object is achieved by a device having the features of claim 1.
The device according to the invention has a vertical conveyor, which has a Förderkanaleinstelleinrichtung for setting the distance b of the oppositely arranged conveyor sides of the conveyor belt and a film removal device with an adjustment for adjusting the distance a 3 of the film removal device relative to the vertical conveyor.

Die erfindungsgemäße Vorrichtung ermöglicht durch die Einstellung des Abstands zwischen den Förderriemen der Vertikalfördereinrichtung einerseits und der Einstellung des Abstandes der Folienabzugseinrichtung gegenüber der Vertikalfördereinrichtung andererseits eine exakte Dimensionierung des Förderkanals mit entsprechender Anpassung des Förderkanalquerschnitts an das durch den Förderkanal geförderte Produkt. Hierdurch wird sichergestellt, dass die Herstellung einer eng anliegenden Produktumverpackung ermöglicht wird, ohne dass durch die Förderriemen der Vertikalfördereinrichtung oder die über die Folienbahn auf die Portionseinheiten einwirkende Folienabzugseinrichtung ein zu starker Druck auf die Produkte ausgeübt wird.By adjusting the distance between the conveyor belt of the vertical conveyor on the one hand and the setting of the distance between the film extractor and the vertical conveyor device on the other hand, the device according to the invention enables exact dimensioning of the conveyor channel with appropriate adaptation of the conveyor channel cross section to the product conveyed through the conveyor channel. This ensures that the production of a close-fitting product outer packaging is made possible without too much pressure being exerted on the products by the conveyor belts of the vertical conveyor device or the film removal device acting on the portion units via the film web.

Besonders vorteilhaft ist es, wenn die Förderkanaleinstelleinrichtung zwei an einem Basisrahmen der Vertikalfördereinrichtung angeordnete, jeweils auf einen Riemenförderer wirkende axiale Zustelleinrichtungen aufweist, deren Zustellachsen parallel zum Basisrahmen ausgerichtet sind. Durch die Bereitstellung eines Basisrahmens zur Anordnung der axialen Zustelleinrichtungen kann einerseits sichergestellt werden, dass eine fluchtende Ausrichtung der Förderkanalmittelachse zu einer durch die Positioniereinrichtung definierten Zuführachse der Produkte zur Vertikalfördereinrichtung nicht beeinflusst wird. Zum andern kann der Basisrahmen gleichzeitig zur Anordnung der Folienabzugseinrichtung verwendet werden, so dass die mit der Förderkanaleinstelleinrichtung versehene Vertikalfördereinrichtung in Kombination mit der Folienabzugseinrichtung über die Verbindung zum Basisrahmen als eine modulare Transporteinheit ausgebildet sein kann, die mittels eines Anschlusses des Basisrahmens an einen Maschinenrahmen der Vorrichtung zur Herstellung von Verpackungseinheiten kombinierbar ist.It is particularly advantageous if the conveyor channel setting device has two axial feed devices which are arranged on a base frame of the vertical conveyor and which each act on a belt conveyor, the feed axes of which are aligned parallel to the base frame. By providing a base frame for arranging the axial feed devices, on the one hand it can be ensured that aligned alignment of the conveyor channel central axis with a feed axis of the products to the vertical conveyor device defined by the positioning device is not affected. On the other hand, the base frame can be used simultaneously for the arrangement of the film take-off device, so that the vertical conveyor provided with the conveyor channel setting device can be formed in combination with the film take-off device via the connection to the base frame as a modular transport unit connected to a machine frame of the device by means of a connection of the base frame for the production of packaging units can be combined.

Wenn gemäß einer vorteilhaften Ausführungsform die axialen Zustelleinrichtungen zur Verstellung des Abstands der Riemenförderer den Abstand zwischen Antriebsachsen der Riemenförderer ändern, wird ein besonders kompakter Aufbau der Förderkanaleinstelleinrichtung möglich.If, according to an advantageous embodiment, the axial feeders for adjusting the distance of the belt conveyors change the distance between drive axes of the belt conveyors, a particularly compact design of Förderkanaleinstelleinrichtung possible.

Wenn zur Ausbildung der Einstelleinrichtung der Folienabzugseinrichtung der Abstand von die Folienränder der Folienbahn zwischen sich aufnehmenden Abzugsrollen der Folienabzugseinrichtung gegenüber dem Basisrahmen der Vertikalfördereinrichtung veränderbar ist, sind die Einstelleinrichtungen voneinander entkoppelt, so dass jeweils eine Stellachse für jede der beiden Einstelleinrichtungen ausreichend ist, und sich die Stellachsen nicht gegenseitig beeinflussen können.If the distance from the film edges of the film web between receiving take-off rollers of the film removal device relative to the base frame of the vertical conveyor is variable to form the adjustment of the film removal device, the adjustment means are decoupled from each other, so that in each case one adjustment axis for each of the two adjustment is sufficient, and the Stellachsen can not influence each other.

Wenn gemäß einer bevorzugten Ausführungsform die Einstelleinrichtung der Folienabzugseinrichtung mit einem Stellrahmen verbundene und am Basisrahmen angeordnete, längenveränderbare Ausleger aufweist, die jeweils an ihrem freien Ende mit einer Abzugsrolle versehen sind, wobei der Abstand des Stellrahmens gegenüber dem Basisrahmen mittels einer axialen Zustelleinrichtung veränderbar ist, kann insgesamt ein besonders kompakter Aufbau einer die Vertikalfördereinrichtung und die Folienabzugseinrichtung umfassenden Transporteinheit erreicht werden, die als ein Montagemodul mit dem Maschinengestell der Verpackungsvorrichtung kombinierbar ist.If, according to a preferred embodiment, the adjustment of the film removal device connected to an adjusting frame and arranged on the base frame, variable-length boom, which are each provided at its free end with a take-off roller, wherein the distance of the adjusting frame relative to the base frame by means of an axial feed device is variable Overall, a particularly compact construction of the vertical conveyor and the film removal device comprehensive transport unit can be achieved, which can be combined as a mounting module with the machine frame of the packaging device.

Wenn die Abzugsollen der Folienabzugseinrichtung mit einer Sturzeinstelleinrichtung versehen sind, die die Einstellung eines Sturzwinkels von Rollenachsen der Abzugsrollen gegenüber der Horizontalen ermöglicht, wird es möglich, der von den Abzugsrollen in einem Einzugsspalt auf die Folienbahn übertragenen, in Förderrichtung wirkenden Vortriebskraft eine Querkraft quer zur Förderrichtung zu überlagern, so dass bei Einstellung eines geeigneten Sturzwinkels im Querschnitt der Folienbahn eine Zugkraft wirkt, die eine enge Anlage der Folienbahn an die Portionseinheit bewirkt und deren Größe über die Einstellung des Sturzwinkels einstellbar ist.If the Abzugsollen the film removal device are provided with a camber adjustment that allows the setting of a camber angle of roll axes of the take-off rolls with respect to the horizontal, it is possible that transmitted from the take-off rolls in a feed nip on the film web, acting in the conveying direction propulsive force a transverse force transverse to the conveying direction to superimpose, so that when setting a suitable camber angle in the cross section of the film web, a tensile force acts, which causes a close contact of the film web to the portion unit and the size of which is adjustable by setting the camber angle.

Besonders vorteilhaft ist es, wenn die Sturzeinstelleinrichtung einen am Basisrahmen angeordneten Stellantrieb aufweist, der über eine Stellwelle mit einer an den Abzugsrollen der Folienabzugseinrichtung angeordneten Schwenkeinrichtung zum Verschwenken der Rollenachse verbunden ist. In einer bevorzugten Ausführungsform ist die Stellwelle als Kardanwelle ausgebildet.It is particularly advantageous if the camber adjustment device has an actuator which is arranged on the base frame and which is connected via an actuating shaft to a pivoting device arranged on the take-off rollers of the film take-off device for pivoting the roller axis. In a preferred embodiment, the control shaft is designed as a propeller shaft.

Nachfolgend wird eine bevorzugte Ausführungsform der Vorrichtung anhand der Zeichnung näher erläutert.Hereinafter, a preferred embodiment of the device will be explained with reference to the drawing.

Es zeigen:

Fig. 1
eine Vorrichtung zur Herstellung von Verpackungseinheiten, umfassend eine Transporteinheit mit einer Vertikalfördereinrichtung und einer Folienabzugseinrichtung;
Fig. 2
die Vertikalfördereinrichtung der Transporteinheit in Einzeldarstellung;
Fig. 3
die in Figur 1 dargestellte Transporteinheit in isometrischer Darstellung;
Fig. 4
die in Figur 3 dargestellte Transporteinheit in Seitenansicht;
Fig. 5
die in Figur 3 dargestellte Transportmodul in Rückansicht;
Fig. 6a,b
eine Prinzipdarstellung einer Sturzeinstelleinrichtung.
Show it:
Fig. 1
an apparatus for producing packaging units, comprising a transport unit with a vertical conveyor and a film removal device;
Fig. 2
the vertical conveyor of the transport unit in a single representation;
Fig. 3
in the FIG. 1 represented transport unit in isometric view;
Fig. 4
in the FIG. 3 illustrated transport unit in side view;
Fig. 5
in the FIG. 3 illustrated transport module in rear view;
Fig. 6a, b
a schematic representation of a camber adjustment.

Fig. 1 zeigt eine Verpackungsvorrichtung 10, die zur Herstellung von nicht näher dargestellten Verpackungseinheiten umfassend eine in eine Folienbahn 11 eingehüllte Portionseinheit 12 dient. Die Verpackungsvorrichtung 10 umfasst in der in Fig. 1 dargestellten Ausführungsform eine Produktfördereinrichtung 13, mittels der einzelne Produkte 14 zu einer Portioniereinrichtung 15 gefördert werden, die im vorliegenden Fall einen Umlaufförderer 16 mit unabhängig voneinander in Förderrichtung 17 bewegten Portionsanschlägen 18, 19 aufweist, welche kinematisch so gesteuert werden, dass in einem Übergabebereich zwischen der Produktfördereinrichtung 13 und der Portioniereinrichtung 15 aufeinander folgend einzelne Produkte 14 auf einem vorderen Portionsanschlag 18 gestapelt werden, der während der Stapelung im Takt in Förderrichtung 17 des Umlaufförderers 16 vorbewegt wird, bis schließlich nach Erreichen einer definierten Stapelhöhe der hintere Portionsanschlag 19 gegen die gestapelte Portionseinheit 12 verfahren wird, so dass die Portionseinheit 12 definiert zwischen den Portionsanschlägen 18, 19 aufgenommen ist. Fig. 1 shows a packaging device 10, which serves for the production of packaging units not shown comprising a wrapped in a film web 11 portion unit 12. The packaging device 10 comprises in the in Fig. 1 illustrated embodiment, a product conveyor 13, are conveyed by means of the individual products 14 to a portioning device 15, which in the present case, a circulation conveyor 16 with independently in the conveying direction 17 moving portion stops 18, 19 which are kinematically controlled so that in a transfer region between the product conveyor 13 and the portioning device 15 consecutively individual products 14 are stacked on a front portion stop 18, during the stacking in time in the conveying direction 17 of the circulating conveyor 16 is moved until finally after reaching a defined stack height of the rear portion stop 19 is moved against the stacked portion unit 12, so that the portion unit 12 defined between the portion stops 18, 19 is received.

Zur Übergabe an eine unterhalb eines Übergabebereichs 21 angeordnete Vertikalfördereinrichtung 22, die in Fig. 1 lediglich schematisch dargestellt ist, passiert die Portionseinheit 12 eine Folienbahnumlenkeinrichtung 26, die an ihrem oberen Ende eine auf einer vertikalen Hüllachse 27 angeordnete Eintrittsöffnung 28 und an ihrem unteren Ende seitlich zur Hüllachse 27 versetzt einen Folienrandführungsschlitz 29 aufweist.For transfer to a arranged below a transfer area 21 vertical conveyor 22, the in Fig. 1 is shown only schematically, the portion unit 12 passes through a film web deflection device 26 which has at its upper end a arranged on a vertical envelope axis 27 inlet opening 28 and at its lower end laterally to the envelope axis 27 has a film edge guide slot 29.

Wie Fig. 1 zeigt, dient die Folienbahnumlenkeinrichtung 26 zur Umleitung der Folienbahn 11 von einem horizontalen Förderbahnabschnitt 30 in einen vertikalen Förderbahnabschnitt 31, wobei gleichzeitig die Ausbildung einer Folienumhüllung 24 der Portionseinheit 12 mittels die Eintrittsöffnung 28 begrenzenden Formschultern 32, 33 der Folienbahnumlenkvorrichtung 26 und mittels des Folienrandführungsschlitzes 29 erfolgt.As Fig. 1 shows the Folienbahnumlenkeinrichtung 26 for redirecting the film web 11 from a horizontal conveyor track section 30 in a vertical conveyor section 31, wherein at the same time the formation of a film wrapping 24 of the portion unit 12 by means of the inlet opening 28 bounding form shoulders 32, 33 of Folienbahnumlenkvorrichtung 26 and by means of the film edge guide slot 29 ,

Wie Fig. 1 in schematischer Darstellung zeigt, ist parallel zu der Vertikalfördereinrichtung 22, die zwei die Portionseinheit 12 zusammen mit der Folienumhüllung 24 zwischen sich aufnehmende Riemenförderer 34, 35 (siehe auch Fig. 2 und 3 ) aufweist, welche die Portionseinheit 12 zusammen mit der die Portionseinheit 12 umhüllenden Folienumhüllung 24 zwischen sich aufnehmen, eine Folienabzugseinrichtung 36 angeordnet. Die Folienabzugseinrichtung 36 weist zwei in Förderrichtung 17 übereinander angeordnete Abzugsrollenpaare 37, 38 auf, die jeweils einen Einzugsspalt 39 ( Fig. 2 ) ausbilden, durch den ein Folienrand 40 in Förderrichtung 17 transportiert wird.As Fig. 1 schematically shows, is parallel to the vertical conveyor 22, the two the portion unit 12 together with the film wrapping 24 between them receiving belt conveyors 34, 35 (see also Fig. 2 and 3 ) , which receive the portion unit 12 together with the film wrapping 24 enclosing the portion unit 12, a film removal device 36 is arranged. The film removal device 36 has two transfer roller pairs 37, 38 arranged one above the other in the conveying direction 17, each of which a pull-in nip 39 ( Fig. 2 ) form, through which a film edge 40 is transported in the conveying direction 17.

Die Vertikalfördereinrichtung 22 bildet zusammen mit der Folienabzugseinrichtung 36 eine Transporteinheit 41, welche für eine synchrone Förderung der Folienumhüllung 24 zusammen mit den darin aufgenommenen Portionseinheiten 12 sorgt.The vertical conveyor 22 forms, together with the film removal device 36, a transport unit 41 which ensures synchronous delivery of the film envelope 24 together with the portion units 12 accommodated therein.

Fig. 2 zeigt die Transporteinheit 41 in detaillierter Darstellung mit der Vertikalfördereinrichtung 22 und der parallel zu der Vertikalfördereinrichtung 22 angeordneten Folienabzugseinrichtung 36. Zur definierten Relativanordnung der Vertikalfördereinrichtung 22 und der Folienabzugseinrichtung 36 dient ein in Fig. 2 beispielhaft als Montageplatte ausgeführter Basisrahmen 42, der auch zur Verbindung der Transporteinheit 41 mit einem hier nicht näher dargestellten Maschinengestell der Verpackungsvorrichtung 10 dient. Fig. 2 shows the transport unit 41 in a detailed representation with the vertical conveyor 22 and arranged parallel to the vertical conveyor 22 film removal device 36. For defined relative arrangement of the vertical conveyor 22 and the film removal device 36 is a in Fig. 2 exemplified as a mounting plate executed base frame 42, which also serves to connect the transport unit 41 with a machine frame of the packaging device 10, not shown here.

Zur Erläuterung der Funktion und des Aufbaus der Vertikalfördereinrichtung 22 soll zunächst auf die Fig. 3 Bezug genommen werden, die die Vertikalfördereinrichtung 22 in Einzeldarstellung und vor dem Anschluss an den Basisrahmen 42 zeigt. Die Vertikalfördereinrichtung 22 umfasst, wie bereits Bezug nehmend auf die Fig. 1 ausgeführt, zwei parallel zueinander angeordnete Riemenförderer 34, 35, die jeweils ein Gestell 43 sowie an dem Gestell 43 angeordnete Umlenkeinrichtungen 44, 45 zur Führung von Riemenanordnungen 46 aufweisen, welche im vorliegenden Fall jeweils zwei parallel geführte Förderriemen 47, 48 umfassen, die im vorliegenden Fall als Zahnriemen ausgebildet sind. Die Förderriemen 47, 48 werden über ein am Gestell 43 gelagertes Antriebsrad 49 angetrieben, das über eine Antriebswelle 50 mit einem am Ende eines Wellengehäuses 51 angeordneten Antriebsmotors 52 verbunden ist.To explain the function and structure of the vertical conveyor 22 is initially on the Fig. 3 Referring to the vertical conveyor 22 in single representation and prior to connection to the base frame 42. The vertical conveyor 22 comprises, as already described with reference to FIGS Fig. 1 executed, two parallel arranged belt conveyors 34, 35, each having a frame 43 and disposed on the frame 43 deflecting means 44, 45 for guiding belt assemblies 46 which in the present case in each case two parallel conveyor belts 47, 48, in the present Case are designed as a toothed belt. The conveyor belts 47, 48 are driven by means of a drive wheel 49 which is mounted on the frame 43 and which is connected via a drive shaft 50 to a drive motor 52 arranged at the end of a shaft housing 51.

Zur beispielhaften Ausgestaltung einer Förderkanaleinstelleinrichtung, die zur Einstellung des Abstandes b von einander gegenüberliegend angeordneten Förderseiten 61, 62 der Förderriemen 34, 35 dient, sind, wie insbesondere in der Fig. 3 dargestellt, die Antriebswellen 50 bzw. die Wellengehäuse 51 der Antriebswellen 50 in Stellgehäusen 54 aufgenommen, die in einem Führungsgestell 55 auf Querführungen 56 angeordnet und daher auf einer parallel zum Basisrahmen 42 ( Fig. 2 ) verlaufenden Zustellachse 23 quer zu durch die Antriebswellen 50 definierten Antriebsachsen 53 der Riemenförderer 34, 35 verschiebbar sind. An das Führungsgestell 55 angeschlossen ist ein Stellantrieb 57, der eine in einem Wellengehäuse 58 geführte Antriebswelle 59 aufweist, die von einem am Ende des Wellengehäuses 58 angeordneten Antriebsmotors 60 angetrieben wird. Die Antriebswelle 59 wirkt über ein hier nicht näher dargestelltes, im Führungsgestell 55 angeordnetes Umlenkgetriebe auf die Stellgehäuse 54, die je nach Drehrichtung der Antriebswelle 59 synchron in entgegengesetzte Richtungen verfahren werden, so dass der Abstand a1 zwischen den Antriebsachsen 53 der Riemenförderer 34, 35 entweder vergrößert oder verkleinert wird.For exemplary embodiment of a Förderkanaleinstelleinrichtung, which is used to adjust the distance b from oppositely arranged conveying sides 61, 62 of the conveyor belt 34, 35, are, especially in the Fig. 3 shown, the drive shafts 50 and the shaft housing 51 of the drive shafts 50 housed in adjusting housings 54 which are arranged in a guide frame 55 on transverse guides 56 and therefore on a parallel to the base frame 42 ( FIGS. Fig. 2 ) extending Zustellachse 23 transversely to defined by the drive shafts 50 drive axles 53 of the belt conveyors 34, 35 are displaceable. Connected to the guide frame 55 is an actuator 57 which has a guided in a shaft housing 58 drive shaft 59 which is driven by a arranged at the end of the shaft housing 58 drive motor 60. The drive shaft 59 acts via a non-illustrated here, arranged in the guide frame 55 deflection on the adjusting housing 54, which are moved synchronously in opposite directions depending on the direction of rotation of the drive shaft 59, so that the distance a 1 between the drive axles 53 of the belt conveyors 34, 35th either increased or decreased.

Wie Fig. 3 zeigt, wird durch den Abstand b der einander zugewandten Förderseiten 61, 62 der Riemenförderer 34, 35 die Breite b eines zwischen den Riemenförderern ausgebildeten Förderkanals 63 definiert. In dem Förderkanal 63 werden hier beispielsweise als Produktstapel ausgebildete Portionseinheiten 12 gefördert, wobei im vorliegenden Fall aus Gründen der vereinfachten Darstellung hier auf eine Darstellung der Folienumhüllung 24 verzichtet wurde. In jedem Fall wird ausgehend von der Darstellung in Fig. 3 deutlich, dass durch eine Änderung des Achsabstandes a1 der Antriebsachsen 53 der Riemenförderer 34, 35 in Folge einer entsprechenden Betätigung des Stellantriebs 57 auf einfache Art und Weise eine Anpassung der Breite b des Förderkanals 63 an die jeweiligen Abmessungen der zur Förderung im Förderkanal 63 bestimmten Produkte 14 ermöglicht wird.As Fig. 3 shows, by the distance b of the facing conveyor sides 61, 62 of the belt conveyor 34, 35 defines the width b of a conveyor belt 63 formed between the belt conveyors. In the conveying channel 63, for example, portion units 12 designed as a product stack are conveyed here, wherein in the present case a representation of the film wrapping 24 has been dispensed with for the sake of simplified illustration. In any case, starting from the representation in Fig. 3 clearly that a change in the axial distance a 1 of the drive axles 53 of the belt conveyors 34, 35 in a simple manner an adjustment of the width b of the conveyor channel 63 to the respective dimensions of intended for delivery in the conveying channel 63 as a result of a corresponding actuation of the actuator 57 Products 14 is enabled.

Wie in Fig. 3 dargestellt, sind Anschlussflächen 64, 65 des Führungsgestells 55 mit Verbindungsmitteln 66, 67 versehen, die zum Anschluss des Führungsgestells 55 der Vertikalfördereinrichtung 22 an den Basisrahmen 42 dienen, derart, dass - wie in Fig. 2 dargestellt - das Führungsgestell 55 mit einer Rückseite 68 des hier als Montageplatte ausgebildeten Basisrahmens 42 verbunden ist. Dabei sind die Stellgehäuse 54 mit den darin aufgenommenen Wellengehäusen 51 in Fensteröffnungen 69 des Basisrahmens 42 angeordnet.As in Fig. 3 shown, pads 64, 65 of the guide frame 55 are provided with connecting means 66, 67, which are used to connect the guide frame 55 of the vertical conveyor 22 to the base frame Serve 42, such that - as in Fig. 2 shown - the guide frame 55 is connected to a rear side 68 of the base frame 42 formed here as a mounting plate. The adjusting housing 54 with the shaft housings 51 accommodated therein are arranged in window openings 69 of the base frame 42.

Wie insbesondere Fig. 2 zeigt, ist die Vertikalfördereinrichtung 22 in der Transporteinheit 41 mit der Folienabzugseinrichtung 36 kombiniert, die jeweils zwei Abzugsrollenpaare 37, 38 aufweist, die den Einzugsspalt 39 bilden, in den - wie in Fig. 1 dargestellt - der Folienrand 40 eingezogen wird, so dass synchron zur vertikalen Förderung der Portionseinheiten 12 in dem Förderkanal 63 eine Förderung der Folienumhüllung 24 in Förderrichtung 17 erfolgt. Die einzelnen Abzugsrollen 70 der Folienabzugseinrichtung 36 werden jeweils über eine Antriebswelle 71 angetrieben, wobei die zwei Antriebswellen 71 eines Abzugsrollenpaares 37, 38 von einem gemeinsamen Antriebsmotor 72 über ein Verteilergetriebe 73 angetrieben werden. Die Antriebswellen 71 befinden sich jeweils in einem Wellengehäuse 74, das durch eine Fensteröffnung 75 im Basisrahmen 42 hindurchgeführt ist und mit einem Stellrahmen 76 verbunden ist, an dem der Antriebsmotor 72 und das Verteilergetriebe 73 angeordnet ist und der gegenüber dem Basisrahmen 42 parallel verfahrbar ist.In particular Fig. 2 shows, the vertical conveyor 22 is combined in the transport unit 41 with the film take-off device 36, each having two Abzugsrollenpaare 37, 38, which form the nip 39, in the - as in Fig. 1 represented - the film edge 40 is retracted, so that in synchronism with the vertical conveying of the portion units 12 in the conveying channel 63, a promotion of the film wrapping 24 in the conveying direction 17 takes place. The individual take-off rollers 70 of the film removal device 36 are each driven via a drive shaft 71, wherein the two drive shafts 71 of a pair of take-off rollers 37, 38 are driven by a common drive motor 72 via a transfer case 73. The drive shafts 71 are each located in a shaft housing 74, which is passed through a window opening 75 in the base frame 42 and connected to a positioning frame 76, on which the drive motor 72 and the transfer case 73 is arranged and which is parallel to the base frame 42 movable.

Hierzu ist, wie insbesondere Fig. 4 zeigt, am Stellrahmen 76 zur Ausbildung einer axialen Zustelleinrichtung ein Stellantrieb 77 mit einem Stellmotor 78 angeordnet, der ein Stellspindel 79 antreibt, welche in eine am Basisrahmen 42 angeordnete Spindelmutter 80 eingreift und in ein auf einer Vorderseite 81 des Basisrahmens 42 angeordnetes Spindelgehäuse 82 eintaucht. Wie insbesondere aus der Darstellung in Fig. 4 ersichtlich, bewirkt ein Antrieb der Stellspindel 79 in die eine Richtung eine Vergrößerung eines Abstands a2 zwischen dem Stellrahmen 76 und dem Basisrahmen 42 und eine Drehung der Stellspindel 79 in die entgegengesetzte Richtung eine Verkleinerung des Abstandes a2 zwischen dem Stellrahmen 76 und dem Basisrahmen 42. Beispielsweise erfolgt bei einer Reduzierung des Abstandes a2, also wenn der Stellrahmen 76 auf den Basisrahmen 42 zu bewegt wird, eine entsprechende Änderung eines Abstandes a3 zwischen den Abzugsrollen 70 der Folienabzugseinrichtung 36 und einer Förderkanalmittelachse 83 des Förderkanals 63.This is how, in particular Fig. 4 shows, on the adjusting frame 76 for forming an axial feed device an actuator 77 arranged with a servomotor 78 which drives an adjusting spindle 79 which engages in a base frame 42 arranged on the spindle nut 80 and immersed in a arranged on a front 81 of the base frame 42 spindle housing 82. As in particular from the illustration in Fig. 4 As can be seen, a drive of the adjusting spindle 79 in the one direction causes an increase in a distance a 2 between the adjusting frame 76 and the base frame 42 and a rotation of the adjusting spindle 79 in the opposite direction a reduction of the distance a 2 between the adjusting frame 76 and the base frame 42nd For example, at a reduction of the distance a 2 , so when the adjusting frame 76 is moved to the base frame 42, a corresponding change in a distance a 3 between the take-off rollers 70 of the film removal device 36 and a conveyor channel center axis 83 of the conveying channel 63rd

Um eine entsprechende Verschiebung der Abzugsrollen 70 gegenüber dem Basisrahmen 42 zu ermöglichen, sind die Wellengehäuse 74 der Folienabzugseinrichtung 36 teleskopartig aufgebaut mit einem gegenüber dem Basisrahmen 42 feststehenden Gehäuseaußenteil 84 und einem gegenüber dem Gehäuseaußenteil axial verschiebbaren, mit einem Rollengehäuse 86 verbundenen Gehäuseinnenteil 85 versehen. Wie insbesondere aus Fign. 2 und 4 ersichtlich, sind die Abzugsrollen 70 jeweils mit einer Sturzeinstelleinrichtung 87 versehen, die eine Verstellung einer Rollenachse 88 gegenüber der Horizontalen 89 um einen Sturzwinkel α ( Fig. 6a ) ermöglicht.In order to allow a corresponding displacement of the take-off rollers 70 relative to the base frame 42, the shaft housing 74 of the film removal device 36 are telescopically constructed with respect to the base frame 42 fixed housing outer part 84 and a respect to the housing outer part axially displaceable, connected to a roller housing 86 housing inner part 85. As in particular from FIGS. 2 and 4 5, the take-off rollers 70 are each provided with a camber adjustment device 87 which permits an adjustment of a roller axle 88 relative to the horizontal 89 by a camber angle α ( FIG. Fig. 6a ) .

Zur Erläuterung des Prinzips und des damit verbunden Effekts wird auf die Fig. 6a und 6b verwiesen, in denen schematisch ein Abzugsrollenpaar 37, 38 mit dem durch das Abzugsrollenpaar 37, 38 definierten Einzugsspalt 39 dargestellt ist. Wie insbesondere Fig. 6b zeigt, rotieren die Abzugsrollen 70 gegenläufig und ziehen dabei den Folienrand 40 in den Einzugsspalt 39 ein. Bei einer Neigung der Rollenachsen 88 der Abzugsrollen 70, wie in Fig. 6a dargestellt, wird ein Sturzwinkel α ausgebildet, der zur Folge hat, dass die von den Abzugsrollen 70 auf den Folienrand 40 übertragene Abzugskraft Z sich unter dem Sturzwinkel α in die in Fig. 6a dargestellte Richtung verlagert, mit der Folge, dass neben einer vertikalen Kraftkomponente Zv eine horizontale Kraftkomponente ZH entsteht, die eine entsprechende Querkraft oder Zugkraft ZH in der Folienumhüllung 24 bewirkt, mit der Folge, dass die Folienumhüllung 24 dichter an einer von der Folienumhüllung 24 umhüllten Portionseinheit 12 anliegt.To explain the principle and the associated effect is on the Fig. 6a and 6b referenced, in which schematically a pair of take-off rollers 37, 38 is shown with the pull-in nip 39 defined by the pair of take-off rollers 37, 38. In particular Fig. 6b shows, the take-off rollers 70 rotate in opposite directions and thereby pull the film edge 40 in the feed nip 39 a. At an inclination of the roller axes 88 of the take-off rollers 70, as in Fig. 6a represented, a camber angle α is formed, which has the consequence that the withdrawal force Z transferred from the take-off rollers 70 on the film edge 40 at the camber angle α in the in Fig. 6a shifted direction, with the result that in addition to a vertical force component Z v a horizontal force component Z H arises, which causes a corresponding lateral force or tensile force Z H in the film wrapping 24, with the result that the film wrapping 24 closer to one of the film wrapping 24 wrapped portion unit 12 is applied.

Die Fig. 2 und 4 zeigen die Sturzeinstelleinrichtung 87 mit einem Stellgetriebe 92, das jeweils über eine Kardanwelle 90 von einem Stellmotor 91 angetrieben wird, der auf der Rückseite 68 des Basisrahmens 42 im Bereich einer Wellendurchführung 93 angeordnet ist. Die Ausbildung der Antriebswelle zwischen dem Stellmotor 91 und dem Stellgetriebe 92 der Sturz-Einstelleinrichtung 87 als Kardanwelle 90 ermöglicht es, dass an der Abzugsrolle 70 angeordnete Stellgetriebe 92 zusammen mit der Abzugsrolle 70 gegenüber dem Basisrahmen 42 zu verschieben, wobei diese Verschiebung eine entsprechende Änderung der Gelenkwinkel der Kardanwelle 90 zur Folge hat.The Fig. 2 and 4 show the camber adjustment device 87 with a control gear 92, each via a propeller shaft 90 from a servomotor 91, which is arranged on the rear side 68 of the base frame 42 in the region of a shaft passage 93. The formation of the drive shaft between the servo motor 91 and the actuating gear 92 of the camber adjustment device 87 as a propeller shaft 90 allows that arranged on the take-off roller 70 actuating gear 92 together with the take-off roller 70 to move relative to the base frame 42, said shift a corresponding change of Joint angle of the propeller shaft 90 results.

Claims (8)

  1. An apparatus for manufacturing packaging units in a tubular bag forming, filling and sealing machine, having a horizontal conveyor installation for transferring separated products (14) to a portioning appliance (15) for manufacturing portion units (12) with a defined arrangement and number of products, and having a vertical conveyor installation (22) for conveying the portion units, which are enveloped by a film web (11), to a separating appliance for separating the packaging units, wherein the vertical conveyor installation has two parallel strap conveyors (34, 35), defining, with conveying sides (61, 62) arranged so as to be opposed to each other and pertaining to circulating conveying straps (47, 48), a conveying channel (63) for conveying the portion units, which are enveloped by the film web, wherein a film take-off appliance (36), which delimits the conveying channel laterally, is arranged so as to be parallel to the strap conveyors, said take-off appliance grasping film edges (40) brought together in a film web deflecting appliance (26) and pertaining to the film web, which envelopes the portion units, and conveys the film web in a synchronous fashion with the portion units conveyed by the vertical conveyor installation,
    characterized in that
    the vertical conveyor installation (22) has a conveying channel setting appliance for setting the distance b between the conveying sides arranged so as to be opposed to each other and pertaining to the conveying straps, and that the film take-off appliance (36) is provided with a setting appliance for setting the distance a3 between the film take-off appliance and the vertical conveyor installation.
  2. The apparatus according to claim 1,
    characterized in that
    the conveying channel setting appliance has two axial infeed appliances which are arranged at a base frame (42) of the vertical conveyor installation (22) and each of which acts on a strap conveyor (34, 35) and whose infeed axes (23) are oriented so as to be parallel to the base frame.
  3. The apparatus according to claim 2,
    characterized in that
    the axial infeed appliances, for altering the distance of the strap conveyors (34, 35), adjust the distance a1 between driving axles (53) of the strap conveyors.
  4. The apparatus according to claim 2 or 3,
    characterized in that
    for realizing the setting appliance of the film take-off appliance (36), the distance between take-off rollers (70), pertaining to the film take-off appliance and receiving the film edges (40) of the film web (11) between themselves, and the base frame (42) of the vertical conveyor installation (22) is adjustable.
  5. The apparatus according to claim 4,
    characterized in that
    the setting appliance of the film take-off appliance has length-adjustable brackets, which are connected to a regulating frame (76) and arranged at the base frame (42) and which are provided with a take-off roller (70) at their free end in each instance, wherein the distance between the regulating frame and the base frame (42) is adjustable by means of an axial infeed appliance.
  6. The apparatus according to claim 5,
    characterized in that
    the take-off rollers (79) of the film take-off appliance (36) are provided with a hitch setting appliance (87), which makes it possible to set an angle of hitch α of the roller axes (88) relative to the horizontal level (89).
  7. The apparatus according to claim 6,
    characterized in that
    the hitch setting appliance (87) has an actuator, which is arranged at the base frame (42) and which is connected, via a regulating shaft, to a pivoting appliance arranged at the take-off rollers (79) and designated for pivoting the roller axis (88).
  8. The apparatus according to claim 8,
    characterized in that
    the regulating shaft is realized as a cardan shaft (90).
EP14749729.1A 2013-09-16 2014-07-14 Apparatus for producing packaging units Not-in-force EP3046839B1 (en)

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DE102013218546.4A DE102013218546B4 (en) 2013-09-16 2013-09-16 Device for the production of packaging units
PCT/EP2014/065003 WO2015036147A1 (en) 2013-09-16 2014-07-14 Apparatus for producing packaging units

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EP3046839B1 true EP3046839B1 (en) 2017-10-18

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EP (1) EP3046839B1 (en)
CN (1) CN105658524B (en)
DE (1) DE102013218546B4 (en)
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Publication number Publication date
US20160229567A1 (en) 2016-08-11
DE102013218546A1 (en) 2015-03-19
CN105658524B (en) 2017-11-17
WO2015036147A1 (en) 2015-03-19
PL3046839T3 (en) 2018-04-30
EP3046839A1 (en) 2016-07-27
CN105658524A (en) 2016-06-08
DE102013218546B4 (en) 2017-12-28

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