EP2412637A1 - Packaging machine with multiple work stations - Google Patents
Packaging machine with multiple work stations Download PDFInfo
- Publication number
- EP2412637A1 EP2412637A1 EP10007915A EP10007915A EP2412637A1 EP 2412637 A1 EP2412637 A1 EP 2412637A1 EP 10007915 A EP10007915 A EP 10007915A EP 10007915 A EP10007915 A EP 10007915A EP 2412637 A1 EP2412637 A1 EP 2412637A1
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- EP
- European Patent Office
- Prior art keywords
- shaft
- packaging machine
- movement
- packaging
- station
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 8
- 239000005022 packaging material Substances 0.000 description 27
- 238000005520 cutting process Methods 0.000 description 11
- 239000010408 film Substances 0.000 description 6
- 238000003856 thermoforming Methods 0.000 description 6
- 239000012785 packaging film Substances 0.000 description 5
- 229920006280 packaging film Polymers 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
- B65B65/02—Driving gear
Definitions
- the invention relates to a packaging machine with a plurality of mutually operable in common and a direction of production of the packaging machine defining, e.g. in the production direction successively arranged workstations, each with at least one movable tool part.
- the packaging machine may be a thermoforming packaging machine.
- several workstations are consecutively run through from the packaging material in order to carry out different work steps in time sequence on the packaging material and / or on the products to be packaged. For example, while packaging trays are deep-drawn in a forming station, or prefabricated trays are removed from a destacker, the packaging trays or trays are filled, the packages are evacuated and / or fumigated, they are sealed with a lidding film or sealed with a slip lid and possibly the Packaging still isolated, checked and / or sorted out. These steps are carried out in workstations, each of which usually has at least one movable tool part. Both in an intermittent operation of the packaging machine, as well as in a continuous operation, the moving tool parts of the individual workstations must be synchronized with each other to ensure a smooth operation of the packaging machine.
- thermoforming machine in the form of a thermoforming machine known.
- This machine has a forming station for forming packaging trays in a lower film, as well as a filling station and a sealing station.
- a mechanism is provided for each of the workstations to implement the rotation of an electric motor in a lifting movement of a tool part of the respective workstation, ie, for example, the mold of the forming station or a chamber part of the sealing station.
- a belt couples the movement of several shafts lying transversely to the direction of production of the packaging machine, the rotational movement of each of which is translated into a lifting movement of the respective tool part.
- a disadvantage of this conventional packaging machine is that for the different workstations each individual drives must be used. Above all, it is difficult to synchronize the movement of the tools of the different workstations with each other.
- Object of the present invention is to improve a packaging machine with structurally simple means as possible in terms of a more compact design.
- the invention is characterized in that the packaging machine has a rotatably driven shaft arranged in the production direction of the packaging machine, and that between the shaft and the movable tool parts of different workstations each have at least one transfer mechanism for transmitting the movement of the shaft to the movement of the respective tool part is provided. Since this shaft drives the tool parts of several workstations, the movements of these tool parts are automatically synchronized with each other by the movement of the shaft. This synchronization is mechanical and thus independent of potential errors of electronic synchronization.
- the arranged in the direction of production of the packaging machine shaft only requires a relatively small space, so that the packaging machine can be built very compact.
- the transfer mechanism for transmitting the movement of the shaft to the movement of the respective tool part to a toggle linkage and / or a cam mechanism.
- the transfer mechanism becomes robust and independent of easily worn parts such as a belt.
- the required for the stroke of the tool parts, comparatively high forces can be transmitted well by a toggle linkage or a cam mechanism.
- the transfer mechanism has a cam mechanism
- this preferably comprises a friction-reducing element in order to reduce the load on the transfer mechanism and thus also of the shaft by friction.
- a friction-reducing element could be provided as a friction-reducing element one or more rolling on a backdrop along wheels.
- Conceivable It would also be desirable to provide as a friction reducing element on the surface of a component of the cam mechanism a material with a lower coefficient of friction and / or a suitable surface treatment in order to reduce the friction there.
- the shaft could be driven in 360 ° continuous rotation. This would have the advantage that a transmission between the shaft and the drive of the shaft, for example an electric motor or in particular a servomotor, can be made comparatively simple. However, it may be cheaper in view of the shaft to be effected, alternating lifting movement of the tool parts, when the shaft is driven alternately in different directions of rotation.
- Workstations of the packaging machine the tool parts are driven by the shaft to a lifting movement, for example, a forming station, a sealing station and / or a cutting or cutting station.
- the packaging machine may also include a plurality of workstations of any of the aforementioned types.
- At least two workstations of the packaging machine are arranged at different heights. This would have the advantage that the workstations in the horizontal direction can move closer to each other, so that the packaging machine can be built even more compact. In particular, it would be possible that two workstations are even arranged one above the other, and / or that a packaging material between two workstations is deflected by 180 ° in order to move from a first transport plane to a second transport plane.
- This frame can stabilize the shaft and prevent the creation of vibrations in the packaging machine, which could otherwise affect the precision of the packaging process.
- a tool part which can be moved by means of the shaft can be displaced at a workstation in the production direction of the packaging machine.
- This allows the packaging process to be easily adapted to changing conditions, such as the use of other packaging materials or other packaging forms. It is particularly favorable when the shift or adjustment without an intervention on the shaft and / or transfer mechanism is feasible.
- the cam mechanism engages a horizontal backdrop, and that the lifting movement of the actuated tool part is independent of the actual point of application of the cam mechanism on the backdrop.
- two transfer mechanisms for transmitting the movement of the shaft to the movement of a tool part of the workstation are provided. This is particularly useful, for example, in a cross-cutting device for a packaging film.
- the use of two transfer mechanisms for lifting the cutting tool of the cross-cutting device on both sides of the packaging film web in this case prevents tilting of the cutting tool and thus ensures a secure, continuous cut through the packaging film web.
- transfer mechanisms are provided, these are preferably offset symmetrically with respect to the central shaft, each laterally opposite the shaft, i.
- the transfer mechanisms are located on different sides of the shaft and at the same distance from the shaft. This ensures that the drive forces from the shaft are transmitted evenly to both transfer mechanisms.
- FIG. 1 shows a first embodiment of a packaging machine 1 according to the invention in a perspective view. For clarity, only the most important components of the invention of the packaging machine 1 are shown.
- the packaging machine 1 is a thermoforming packaging machine. It has (at least) three workstations, namely a forming station 2, an evacuating and sealing station 3 and a separating station 4. All of these workstations 2, 3, 4 act on a packaging material 5, which is a plastic film web. At a standstill of the packaging material 5 during the intermittent operation of the packaging machine 1, the mold 6 is moved perpendicular to the plane of the web-shaped packaging material 5 in order to deep draw in the packaging material 5 packaging trays.
- the sealing station 3 has a sealing tool upper part 7 and a sealing tool lower part 8.
- a closed sealing chamber can be formed between the two tool parts 7, 8, in which the packaging recess previously filled with a product sealed in the packaging material 5 with a cover film, not shown, and thus can be closed. It is conceivable to evacuate the sealing chamber between the two tool parts 7, 8 and thus the packaging tray before sealing and / or to treat it with a replacement gas. After sealing, the sealing tool top 7 and the sealing tool bottom 8 are again removed from each other to expose the packaging tray and allow further transport of the packaging material 5.
- the separating station 4 is a cross-cutting device in which a separating knife 9 is provided as a tool part. This cutting knife 9 can be moved in the vertical direction, ie perpendicular to the plane of the packaging material 5, in order to sever the web-shaped packaging material 5.
- the packaging machine 1 defines a production direction R, in which the packaging material 5 is transported through at least some of the work stations, in the present embodiment by the sealing station 3 and the separation station 4.
- the packaging material 5 is transported against this direction of production R before it to a virtual, horizontal axis 10 is deflected and brought in this way from a first transport plane 11 in a second transport plane 12.
- the packaging machine 1 has a frame 13 which is arranged horizontally between the two transport planes 11, 12.
- the frame 13 comprises a plurality of lateral longitudinal struts 14, which are aligned in the production direction R of the packaging machine 1, and a plurality of transverse struts 15, which connect the longitudinal struts 14 with each other.
- the frame 13 has two longitudinal struts 14 oriented parallel to one another and located at the same height. These longitudinal struts 14 extend at least over the length of a workstation 2, 3, 4 in the production direction R.
- the packaging machine shown is associated with a first pair of longitudinal struts 14 of the forming station 2.
- a second pair of longitudinal struts 14 extends both below the sealing station 3, and below the separation station 4. It would be conceivable that the longitudinal struts 14 through the entire length and thus constitute a single frame 13 for all workstations 2, 3, 4.
- the shaft 16 Centrally located between the longitudinal struts 14 is also aligned in the direction of production R of the packaging machine 1 shaft 16.
- the shaft 16 is connected to a drive, such as an electric motor, preferably a servo motor.
- the shaft 16 can be driven by the drive alternately in different directions of rotation.
- a transfer mechanism 17 is fixedly connected to the shaft 16.
- the transfer mechanism 17 may be a toggle linkage and / or a cam mechanism. This transfer mechanism 17 ensures that the rotational movement of the shaft 16 is transferred to the movement of the movable tool part of the respective work station 2, 3, 4, ie, to the lifting movement of the mold part 6,
- the shaft 16 acts as a "king wave", which controls the movement of several movable tool parts 6, 7, 8, 9 different workstations 2, 3, 4.
- transfer mechanisms 17 are provided on both sides of the shaft to cause the movement of the separating knife 9.
- the transfer mechanisms 17 are arranged symmetrically with respect to the shaft 16, ie they each have the same distance to the shaft 16 lying between them.
- the shaft 16 is mounted in a plurality of transverse struts 15 of the frame 13.
- plain bearings or ball bearings 18 may be provided.
- the shaft 16 may be arranged centrally within the packaging machine 1.
- FIG. 1 It can be seen that the forming station 2 is below the plane of the frame 13, while the sealing station 3 and the cutting station 4 are above the plane of the frame 13.
- FIG. 1 shows the packaging machine in a state in which the tools 6, 7, 8, 9 of the respective workstations 2, 3, 4 are opened to allow further transport of the web-shaped packaging material 5.
- FIG. 2 whereas, the same packaging machine 1 is in a state in which the tool parts 6, 7, 8, 9 of the work stations 2, 3, 4 are closed to act on the sheet-shaped packaging material 5.
- the mold 6 of the forming station 2 is pressed down against the packaging material 5 to deep draw the packaging material 5 to packaging trays. The movement of the mold 6 will be described later with reference to FIG FIG. 3 be explained in more detail.
- this transfer mechanism 17 comprises a roller 17 a, which is aligned about an axis parallel to the production direction R axis is rotatable, and which is fixed on both sides by fixedly attached to the shaft 16 lever 17b. Rotation of the shaft 16 causes the levers 17b also to rotate about the shaft 16 while lifting the roller 17a. This roller 17a rolls on the serving as a backdrop underside of the sealing tool lower part 8.
- the transfer mechanism 17 is thus formed in this case as a cam mechanism.
- the separating knife 9 of the separation station 4 is further raised by the rotational movement of the shaft 16 is transmitted by means of the two laterally arranged transfer mechanisms 17 to a lifting movement of the separating knife 9.
- the separating knife 9 cooperates with a counter knife 9a in order to sever the sheet-like packaging material 5 between the cutting edges of the two knives 9, 9a.
- FIG. 3 shows an enlarged view of the forming station 2 of the packaging rail 1, in which some covers are removed to make the interior of the forming station 2 and in particular the transfer mechanism 17 more visible.
- two levers 17b are fastened here on the shaft 16 so that they participate in the rotational movement of the shaft 16.
- a roller 17a which is rotatable about an axis oriented parallel to the production direction R of the packaging machine 1.
- the roller 17 a is completely enclosed by two upright drive plates 17 c, which are mounted on the mold 6.
- half-open position of the forming station 2 performs a rotation of the shaft 16 in the direction A to a lowering of the roller 17 a.
- the roller 17a presses against a formed on the surface of the mold 6 gate 17d to press the mold 6 against the packaging film web 5 down.
- an opposite rotation of the shaft 16 ie a rotation opposite to the direction A, leads to a lifting of the roller 17a.
- the Mit supportivebleche 17c the mold 6 is also raised.
- An adjustment element 19 secures the transfer mechanism 17 in the longitudinal direction along the longitudinal struts 14.
- the transfer mechanism 17 can be displaced along the longitudinal struts 14 in the longitudinal direction, ie in the production direction R.
- the forming station 2 could be displaced with the forming tool 3 in the longitudinal direction of the packaging machine 1, while the transfer mechanism 17 maintains its position on the shaft 16.
- FIG. 4 shows a schematic side view of a second embodiment of a packaging machine 20 according to the invention also in this embodiment, it is a thermoforming packaging machine 20, in which two mold cavities 21 are deep-drawn into a web-shaped packaging material 5 in a forming station. After filling with a product 22, the packaging troughs 21 reach a first sealing station 3a. Here, the filled packaging wells 21 are closed with a lid, which was previously deep-drawn in a second forming station 23 into a, also web-shaped, second packaging material 25 withdrawn from a film roll 24.
- the already closed packaging troughs 21 enter a second sealing station 3b, in which a second lidding film 27 drawn off from a further film roll 26 is sealed onto the packaging troughs 21.
- the forming station 2 as in the first embodiment has a mold 6 for deep drawing, the two evacuating and sealing stations 3a, 3b as in the first embodiment, two relative to each other and mutually movable sealing tool parts 7, 8, namely a sealing tool shell 7 and Sealing tool base 8.
- the separation station 4 has in the second embodiment, a cross-cutting device 4a and 4b and a longitudinal separator 4b. In both separating devices 4a, 4b, a separating knife 9 can be driven to a lifting movement in order to cut through the film web 5.
- the workstations 2, 3a, 3b, 4a, 4b of the packaging machine 20 are arranged on a common machine frame 28. In this machine frame 28 is located in the direction of production R of the packaging machine 20, a shaft 16. As in the first embodiment, the shaft 16 may be mounted on a frame 13.
- a transfer mechanism 17 is provided, preferably a toggle linkage or a cam mechanism to the movement of the shaft 16 in a lifting movement of a tool part 6, 7, 8, 9 of the respective workstation 2, 3a, 3b, 4a, 4b.
- the mold of the second forming station 23 can by means of a corresponding Transfer mechanism 17 may be driven by the rotational movement of the shaft 16 to a lifting movement.
- the packaging machine 1, 20 can be modified in many ways.
- At least one workstation has a transfer mechanism 17, in which the rotational movement of the shaft 16 is converted into a linear movement, for example by a spindle design of the shaft 16 in the workstation and a spindle nut seated on the shaft.
- the thus linear movable spindle nut can drive a toggle lever system for raising and / or lowering a tool part.
- Tool parts such as the lower part of the mold, the upper part of the mold, the lower part of the sealing tool or the upper part of the sealing tool, can be exchangeable.
- the tools can preferably be removed from the packaging machine laterally with respect to the production direction. Since various media connections such as electricity, compressed air, vacuum or cooling water are attached to the tools, they are easily detachable, preferably with a connection block, which can also accommodate different media and realizes the connection from the tool to the machine in the working position. With appropriate sealing systems and a backup of the tool in the working position, the media connection is automatically released when changing a tool and then reconnected.
- thermoforming packaging machine 1, 20 provides a vertical direction of the production direction R lifting device of a portion of the feed system for the web-shaped packaging material 5 in the region of the forming and / or sealing station 2, 3 before.
- the lifting movement of the feed system eg a lateral chain guide for a transport chain for transporting the packaging film web 5
- the lifting movement of the feed system causes, when the forming station 2 is open, a distance of the web-shaped packaging material 5 from the heating plate which holds the web-shaped packaging material 5 for the Mold process heated, is present, so that the web-shaped packaging material is not unnecessary Radiation or contact heat is too much heated.
- the feed system With the closing operation of the forming station 2, the feed system is moved back into its working position, so that the web-shaped packaging material 5 can be specifically heated and deformed.
- the feed system is moved back into its working position, so that the web-shaped packaging material 5 can be specifically heated and deformed.
- the vertical lifting device of the feed system is also conceivable in the area of the sealing station 3, if over the edge of the package, which at the same time also usually represents the sealing plane, protruding products are transported into the sealing station and the sealing tool upper part 7 has no upper-stroke function.
- the adjustable range of the feed system is separated from the non-adjustable areas and adjustable by means of pneumatic cylinders or servo drives and / or coupled to the movement of a tool lower part.
- a tensioning element for tensioning the transport chain could give way when adjusting the feed system.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Package Closures (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Verpackungsmaschine mit mehreren zueinander im Gleichtakt betreibbaren und eine Produktionsrichtung der Verpackungsmaschine definierenden, z.B. in der Produktionsrichtung hintereinander angeordneten Arbeitsstationen mit jeweils mindestens einem beweglichen Werkzeugteil.The invention relates to a packaging machine with a plurality of mutually operable in common and a direction of production of the packaging machine defining, e.g. in the production direction successively arranged workstations, each with at least one movable tool part.
Bei der Verpackungsmaschine kann es sich um eine Tiefziehverpackungsmaschine handeln. In solchen Verpackungsmaschinen werden vom Verpackungsmaterial nacheinander mehrere Arbeitsstationen durchlaufen, um in zeitlicher Abfolge unterschiedliche Arbeitsschritte am Verpackungsmaterial und/oder an den zu verpackenden Produkten vorzunehmen. Beispielsweise werden dabei in einer Formstation Verpackungsmulden tiefgezogen, oder es werden vorgefertigte Schalen von einem Entstapler entnommen, die Verpackungsmulden oder Schalen werden befüllt, die Verpackungen werden evakuiert und/oder begast, sie werden mit einer Deckelfolie versiegelt oder mit einem Stülpdeckel verschlossen und gegebenenfalls werden die Verpackungen noch vereinzelt, kontrolliert und/oder aussortiert. Diese Arbeitsschritte erfolgen in Arbeitsstationen, die jeweils meistens über mindestens ein bewegliches Werkzeugteil verfügen. Sowohl bei einem intermittierenden Betrieb der Verpackungsmaschine, als auch bei einem kontinuierlichen Betrieb müssen die beweglichen Werkzeugteile der einzelnen Arbeitsstationen zueinander synchronisiert werden, um einen reibungslosen Betrieb der Verpackungsmaschine zu gewährleisten.The packaging machine may be a thermoforming packaging machine. In such packaging machines, several workstations are consecutively run through from the packaging material in order to carry out different work steps in time sequence on the packaging material and / or on the products to be packaged. For example, while packaging trays are deep-drawn in a forming station, or prefabricated trays are removed from a destacker, the packaging trays or trays are filled, the packages are evacuated and / or fumigated, they are sealed with a lidding film or sealed with a slip lid and possibly the Packaging still isolated, checked and / or sorted out. These steps are carried out in workstations, each of which usually has at least one movable tool part. Both in an intermittent operation of the packaging machine, as well as in a continuous operation, the moving tool parts of the individual workstations must be synchronized with each other to ensure a smooth operation of the packaging machine.
Aus der
Aufgabe der vorliegenden Erfindung ist es, eine Verpackungsmaschine mit konstruktiv möglichst einfachen Mitteln hinsichtlich einer kompakteren Bauform zu verbessern.Object of the present invention is to improve a packaging machine with structurally simple means as possible in terms of a more compact design.
Diese Aufgabe wird gelöst durch eine Verpackungsmaschine mit den Merkmalen des Anspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a packaging machine with the features of claim 1. Advantageous developments of the invention are specified in the dependent claims.
Die Erfindung zeichnet sich dadurch aus, dass die Verpackungsmaschine eine in der Produktionsrichtung der Verpackungsmaschine angeordnete, rotatorisch angetriebene Welle aufweist, und dass zwischen der Welle und den beweglichen Werkzeugteilen unterschiedlicher Arbeitsstationen jeweils mindestens eine Transfermechanik zum Übertragen der Bewegung der Welle auf die Bewegung des jeweiligen Werkzeugteils vorgesehen ist. Da diese Welle die Werkzeugteile mehrerer Arbeitsstationen antreibt, sind die Bewegungen dieser Werkzeugteile durch die Bewegung der Welle automatisch miteinander synchronisiert. Diese Synchronisierung erfolgt mechanisch und ist damit unabhängig von potenziellen Fehlern einer elektronischen Synchronisierung. Die in Produktionsrichtung der Verpackungsmaschine angeordnete Welle benötigt nur einen vergleichsweise kleinen Bauraum, so dass die Verpackungsmaschine sehr kompakt gebaut werden kann.The invention is characterized in that the packaging machine has a rotatably driven shaft arranged in the production direction of the packaging machine, and that between the shaft and the movable tool parts of different workstations each have at least one transfer mechanism for transmitting the movement of the shaft to the movement of the respective tool part is provided. Since this shaft drives the tool parts of several workstations, the movements of these tool parts are automatically synchronized with each other by the movement of the shaft. This synchronization is mechanical and thus independent of potential errors of electronic synchronization. The arranged in the direction of production of the packaging machine shaft only requires a relatively small space, so that the packaging machine can be built very compact.
Vorzugsweise weist die Transfermechanik zum Übertragen der Bewegung der Welle auf die Bewegung des jeweiligen Werkzeugteils ein Kniehebelgestänge und/oder eine Nockenmechanik auf. Auf diese Weise wird die Transfermechanik robust und unabhängig von leicht verschleißenden Teilen wie einem Riemen. Zudem können durch ein Kniehebelgestänge oder eine Nockenmechanik die für den Hub der Werkzeugteile erforderlichen, vergleichsweise hohen Kräfte gut übertragen werden.Preferably, the transfer mechanism for transmitting the movement of the shaft to the movement of the respective tool part to a toggle linkage and / or a cam mechanism. In this way, the transfer mechanism becomes robust and independent of easily worn parts such as a belt. In addition, the required for the stroke of the tool parts, comparatively high forces can be transmitted well by a toggle linkage or a cam mechanism.
Wenn die Transfermechanik eine Nockenmechanik aufweist, umfasst diese vorzugsweise ein reibungsminderndes Element, um die Belastung der Transfermechanik und damit auch der Welle durch Reibung zu vermindern. Beispielsweise könnten als reibungsminderndes Element ein oder mehrere an einer Kulisse entlang rollende Räder vorgesehen sein. Denkbar wäre es auch, als reibungsminderndes Element auf der Oberfläche einer Komponente der Nockenmechanik ein Material mit einem geringeren Reibungskoeffizienten und/oder eine geeignete Oberflächenbehandlung vorzusehen, um dort die Reibung zu vermindern.If the transfer mechanism has a cam mechanism, this preferably comprises a friction-reducing element in order to reduce the load on the transfer mechanism and thus also of the shaft by friction. For example, could be provided as a friction-reducing element one or more rolling on a backdrop along wheels. Conceivable It would also be desirable to provide as a friction reducing element on the surface of a component of the cam mechanism a material with a lower coefficient of friction and / or a suitable surface treatment in order to reduce the friction there.
Die Welle könnte in fortlaufender Rotation um 360° angetrieben sein. Dies hätte den Vorteil, dass ein Getriebe zwischen der Welle und dem Antrieb der Welle, beispielsweise einem Elektromotor oder insbesondere einem Servomotor, vergleichsweise einfach gestaltet werden kann. Möglicherweise ist es jedoch im Hinblick auf die von der Welle zu bewirkende, alternierende Hubbewegung der Werkzeugteile günstiger, wenn die Welle alternierend in unterschiedliche Rotationsrichtungen angetrieben ist.The shaft could be driven in 360 ° continuous rotation. This would have the advantage that a transmission between the shaft and the drive of the shaft, for example an electric motor or in particular a servomotor, can be made comparatively simple. However, it may be cheaper in view of the shaft to be effected, alternating lifting movement of the tool parts, when the shaft is driven alternately in different directions of rotation.
Arbeitsstationen der Verpackungsmaschine, deren Werkzeugteile mittels der Welle zu einer Hubbewegung angetrieben werden, können beispielsweise eine Formstation, eine Siegelstation und/oder eine Trenn- oder Schneidstation sein. Die Verpackungsmaschine kann auch mehrere Arbeitsstationen eines der vorstehend genannten Typen aufweisen.Workstations of the packaging machine, the tool parts are driven by the shaft to a lifting movement, for example, a forming station, a sealing station and / or a cutting or cutting station. The packaging machine may also include a plurality of workstations of any of the aforementioned types.
In einer Variante der erfindungsgemäßen Verpackungsmaschine sind mindestens zwei Arbeitsstationen der Verpackungsmaschine in unterschiedlicher Höhe angeordnet. Dies hätte den Vorteil, dass die Arbeitsstationen in horizontaler Richtung dichter aneinander rücken können, so dass die Verpackungsmaschine noch kompakter gebaut werden kann. Insbesondere wäre es möglich, dass zwei Arbeitsstationen sogar übereinander angeordnet sind, und/oder dass ein Verpackungsmaterial zwischen zwei Arbeitsstationen um 180° umgelenkt wird, um von einer ersten Transportebene in eine zweite Transportebene zu gelangen.In a variant of the packaging machine according to the invention at least two workstations of the packaging machine are arranged at different heights. This would have the advantage that the workstations in the horizontal direction can move closer to each other, so that the packaging machine can be built even more compact. In particular, it would be possible that two workstations are even arranged one above the other, and / or that a packaging material between two workstations is deflected by 180 ° in order to move from a first transport plane to a second transport plane.
Zweckmäßig ist es, wenn ein Rahmen zum Lagern der Welle vorgesehen ist. Dieser Rahmen kann die Welle stabilisieren und die Entstehung von Vibrationen in der Verpackungsmaschine verhindern, die ansonsten die Präzision des Verpackungsprozesses beeinträchtigen könnten.It is useful if a frame is provided for supporting the shaft. This frame can stabilize the shaft and prevent the creation of vibrations in the packaging machine, which could otherwise affect the precision of the packaging process.
In einer vorteilhaften Variante der Erfindung ist ein mittels der Welle bewegbares Werkzeugteil an einer Arbeitsstation in Produktionsrichtung der Verpackungsmaschine verlagerbar. Dadurch kann der Verpackungsprozess leicht an sich ändernde Bedingungen angepasst werden, beispielsweise zur Verwendung anderer Verpackungsmaterialien oder zur Herstellung anderer Verpackungsformen. Besonders günstig ist es dabei, wenn die Verlagerung oder Justage ohne einen Eingriff an der Welle und/oder Transfermechanik durchführbar ist. Beispielsweise wäre es denkbar, dass die Nockenmechanik an einer horizontalen Kulisse angreift, und dass die Hubbewegung des betätigten Werkzeugteils unabhängig vom tatsächlichen Angriffspunkt der Nockenmechanik an der Kulisse ist.In an advantageous variant of the invention, a tool part which can be moved by means of the shaft can be displaced at a workstation in the production direction of the packaging machine. This allows the packaging process to be easily adapted to changing conditions, such as the use of other packaging materials or other packaging forms. It is particularly favorable when the shift or adjustment without an intervention on the shaft and / or transfer mechanism is feasible. For example, it would be conceivable that the cam mechanism engages a horizontal backdrop, and that the lifting movement of the actuated tool part is independent of the actual point of application of the cam mechanism on the backdrop.
Je nach Typ der Arbeitsstation, deren Werkzeugteil betätigt werden soll, kann es günstig sein, wenn zwei Transfermechaniken zum Übertragen der Bewegung der Welle auf die Bewegung eines Werkzeugteils der Arbeitsstation vorgesehen sind. Besonders zweckmäßig ist dies beispielsweise bei einer Querschneideeinrichtung für eine Verpackungsfolie. Die Verwendung zweier Transfermechaniken zum Anheben des Schneidwerkzeugs der Quertrenneinrichtung auf beiden Seiten der Verpackungsfolienbahn verhindert in diesem Fall ein Verkanten des Schneidwerkzeugs und sorgt somit für einen sicheren, durchgehenden Schnitt durch die Verpackungsfolienbahn.Depending on the type of workstation whose tool part is to be actuated, it can be favorable if two transfer mechanisms for transmitting the movement of the shaft to the movement of a tool part of the workstation are provided. This is particularly useful, for example, in a cross-cutting device for a packaging film. The use of two transfer mechanisms for lifting the cutting tool of the cross-cutting device on both sides of the packaging film web in this case prevents tilting of the cutting tool and thus ensures a secure, continuous cut through the packaging film web.
Wenn zwei Transfermechaniken vorgesehen sind, sind diese vorzugsweise symmetrisch zur zentralen Welle jeweils seitlich gegenüber der Welle versetzt, d.h. die Transfermechaniken befinden sich auf unterschiedlichen Seiten der Welle und jeweils im gleichen Abstand zur Welle. Dadurch wird gewährleistet, dass die Antriebskräfte von der Welle gleichmäßig auf beide Transfermechaniken übertragen werden.If two transfer mechanisms are provided, these are preferably offset symmetrically with respect to the central shaft, each laterally opposite the shaft, i. The transfer mechanisms are located on different sides of the shaft and at the same distance from the shaft. This ensures that the drive forces from the shaft are transmitted evenly to both transfer mechanisms.
Im Folgenden werden zwei vorteilhafte Ausführungsbeispiele der vorliegenden Erfindung anhand einer Zeichnung näher dargestellt. Im Einzelnen zeigen:
- Figur 1
- eine perspektivische Ansicht eines Ausschnitts eines ersten Ausführungsbeispiels einer erfindungsgemäßen Verpackungsmaschine bei geöffneten Werkzeugen,
Figur 2- eine perspektivische Ansicht der in
Figur 1 gezeigten Verpackungsmaschine bei geschlossenen Werkzeugen, - Figur 3
- eine vergrößerte Darstellung der Formstation der in den
Figuren 1 und2 gezeigten Verpackungsmaschine und Figur 4- eine schematische Seitenansicht eines zweiten Ausführungsbeispiels einer erfindungsgemäßen Verpackungsmaschine.
- FIG. 1
- a perspective view of a section of a first embodiment of a packaging machine according to the invention with open tools,
- FIG. 2
- a perspective view of in
FIG. 1 shown packaging machine with closed tools, - FIG. 3
- an enlarged view of the forming station in the
FIGS. 1 and2 shown packaging machine and - FIG. 4
- a schematic side view of a second embodiment of a packaging machine according to the invention.
Gleiche Komponenten sind in den Figuren durchgängig mit gleichen Bezugszeichen versehen.The same components are provided throughout the figures with the same reference numerals.
Bei der Verpackungsmaschine 1 handelt es sich um eine Tiefziehverpackungsmaschine. Sie verfügt über (mindestens) drei Arbeitsstationen, nämlich eine Formstation 2, eine Evakuier-und Siegelstation 3 und eine Trennstation 4. Alle diese Arbeitsstationen 2, 3, 4 wirken auf ein Verpackungsmaterial 5 ein, bei dem es sich um eine Kunststofffolienbahn handelt. Die Formstation 2 verfügt zu diesem Zweck über ein Formwerkzeug 6. Bei einem Stillstand des Verpackungsmaterials 5 während des intermittierenden Betriebs der Verpackungsmaschine 1 wird das Formwerkzeug 6 senkrecht zur Ebene des bahnförmigen Verpackungsmaterials 5 bewegt, um in dem Verpackungsmaterial 5 Verpackungsmulden tiefzuziehen.The packaging machine 1 is a thermoforming packaging machine. It has (at least) three workstations, namely a forming
Die Siegelstation 3 verfügt über ein Siegelwerkzeugoberteil 7 und ein Siegelwerkzeugunterteil 8. Durch die Bewegung des Siegelwerkzeugoberteils 7 und/oder des Siegelwerkzeugunterteils 8 aufeinander zu kann zwischen den beiden Werkzeugteilen 7, 8 eine geschlossene Siegelkammer gebildet werden, in der die zuvor mit einem Produkt befüllte Verpackungsmulde im Verpackungsmaterial 5 mit einer nicht dargestellten Deckelfolie versiegelt und somit verschlossen werden kann. Denkbar ist es, die Siegelkammer zwischen den beiden Werkzeugteilen 7, 8 und damit die Verpackungsmulde vor dem Versiegeln zu evakuieren und/oder mit einem Austauschgas zu begasen. Nach dem Siegeln werden das Siegelwerkzeugoberteil 7 und das Siegelwerkzeugunterteil 8 wieder voneinander entfernt, um die Verpackungsmulde freizugeben, und den Weitertransport des Verpackungsmaterials 5 zu gestatten.The sealing station 3 has a sealing tool
Bei der Trennstation 4 handelt es sich im vorliegenden Ausführungsbeispiel um eine Quertrenneinrichtung, in der als Werkzeugteil ein Trennmesser 9 vorgesehen ist. Dieses Trennmesser 9 kann in vertikaler Richtung, d.h. senkrecht zur Ebene des Verpackungsmaterials 5, bewegt werden, um das bahnförmige Verpackungsmaterial 5 zu durchtrennen.In the present embodiment, the separating
Die Verpackungsmaschine 1 definiert eine Produktionsrichtung R, in der das Verpackungsmaterial 5 durch zumindest einige der Arbeitsstationen transportiert wird, im vorliegenden Ausführungsbeispiel durch die Siegelstation 3 und die Trennstation 4. In der Formstation 2 wird das Verpackungsmaterial 5 entgegen dieser Produktionsrichtung R transportiert, bevor es um eine virtuelle, horizontale Achse 10 umgelenkt und auf diese Weise von einer ersten Transportebene 11 in eine zweite Transportebene 12 gebracht wird.The packaging machine 1 defines a production direction R, in which the
Die Verpackungsmaschine 1 verfügt über einen Rahmen 13, der horizontal zwischen den beiden Transportebenen 11, 12 angeordnet ist. Der Rahmen 13 umfasst mehrere seitliche Längsstreben 14, die in Produktionsrichtung R der Verpackungsmaschine 1 ausgerichtet sind, sowie mehrere Querstreben 15, die die Längsstreben 14 miteinander verbinden. An jeder Arbeitsstation 2, 3, 4 der Verpackungsmaschine 1 weist der Rahmen 13 zwei parallel zueinander ausgerichtete und in gleicher Höhe befindliche Längsstreben 14 auf. Diese Längsstreben 14 erstrecken sich mindestens über die Länge einer Arbeitsstation 2, 3, 4 in der Produktionsrichtung R. Bei der in
Mittig zwischen den Längsstreben 14 befindet sich eine ebenfalls in Produktionsrichtung R der Verpackungsmaschine 1 ausgerichtete Welle 16. Die Welle 16 ist mit einem Antrieb verbunden, beispielsweise einem Elektromotor, vorzugsweise einem Servomotor. Im vorliegenden Ausführungsbeispiel kann die Welle 16 durch den Antrieb alternierend in unterschiedliche Rotationsrichtungen angetrieben werden.Centrally located between the
Im Bereich jeder Arbeitsstation 2, 3, 4 ist eine Transfermechanik 17 fest mit der Welle 16 verbunden. Bei der Transfermechanik 17 kann es sich um ein Kniehebelgestänge und/oder um eine Nockenmechanik handeln. Diese Transfermechanik 17 sorgt dafür, die Rotationsbewegung der Welle 16 auf die Bewegung des beweglichen Werkzeugteils der jeweiligen Arbeitsstation 2, 3, 4 zu übertragen, d.h. auf die Hubbewegung des Formwerkzeugteils 6, des Siegelwerkzeugoberteils 7 und/oder des Siegelwerkzeugunterteils 8 sowie auf die Bewegung des Trennmessers 9. Die Welle 16 wirkt dabei als "Königswelle", die die Bewegung mehrerer beweglicher Werkzeugteile 6, 7, 8, 9 unterschiedlicher Arbeitsstationen 2, 3, 4 ansteuert. Durch diese gemeinsame Ansteuerung der Hubbewegung über die Welle 16 sind die Bewegungen der Werkzeugteile 6, 7, 8, 9 miteinander auf mechanische Weise synchronisiert.In the area of each
An der Trennstation 4 sind zu beiden Seiten der Welle 16 Transfermechaniken 17 vorgesehen, um die Bewegung des Trennmessers 9 zu bewirken. Die Transfermechaniken 17 sind symmetrisch zur Welle 16 angeordnet, haben also jeweils den gleichen Abstand zur zwischen ihnen liegenden Welle 16.At the
Die Welle 16 ist in mehreren Querstreben 15 des Rahmens 13 gelagert. Zur Lagerung können Gleitlager oder Kugellager 18 vorgesehen sein. Insbesondere kann die Welle 16 mittig innerhalb der Verpackungsmaschine 1 angeordnet sein.The
In
In der Siegelstation 3 ist das Siegelwerkzeugunterteil 8 angehoben worden, um gemeinsam mit dem Siegelwerkzeugoberteil 7 angeschlossene Siegelkammer zu bilden. Diese Hubbewegung des Siegelwerkzeugunterteils 8 wird erreicht durch eine Drehung der Welle 16, und durch eine Übertragung der Drehbewegung 16 auf eine Hubbewegung des Siegelwerkzeugunterteils 8 mittels der Transfermechanik 17. Im dargestellten Ausführungsbeispiel umfasst diese Transfermechanik 17 eine Rolle 17a, die um eine parallel zur Produktionsrichtung R ausgerichtete Achse drehbar ist, und die auf beiden Seiten durch fest an der Welle 16 befestigte Hebel 17b befestigt ist. Eine Drehung der Welle 16 bewirkt, dass sich die Hebel 17b ebenfalls um die Welle 16 drehen und dabei die Rolle 17a anheben. Diese Rolle 17a rollt auf der als Kulisse dienenden Unterseite des Siegelwerkzeugunterteils 8. Die Transfermechanik 17 ist in diesem Fall also als Nockenmechanik ausgebildet.In the sealing station 3, the sealing tool
Bei einer Drehung der Welle 16 wird ferner das Trennmesser 9 der Trennstation 4 angehoben, indem die Drehbewegung der Welle 16 mittels der beiden seitlich angeordneten Transfermechaniken 17 auf eine Hubbewegung des Trennmessers 9 übertragen wird. Das Trennmesser 9 arbeitet mit einem Gegenmesser 9a zusammen, um zwischen den Schneidkanten der beiden Messer 9, 9a das bahnförmige Verpackungsmaterial 5 zu durchtrennen.Upon rotation of the
Ausgehend von der in
Beim Weitertransport gelangen die bereits verschlossenen Verpackungsmulden 21 in eine zweite Siegelstation 3b, in der eine von einer weiteren Folienrolle 26 abgezogene, zweite Deckelfolie 27 auf die Verpackungsmulden 21 aufgesiegelt wird. Während die Formstation 2 wie im ersten Ausführungsbeispiel über ein Formwerkzeug 6 zum Tiefziehen verfügt, weisen die beiden Evakuier- und Siegelstationen 3a, 3b wie im ersten Ausführungsbeispiel zwei relativ aufeinander zu und voneinander fort bewegliche Siegelwerkzeugteile 7, 8 auf, nämlich ein Siegelwerkzeugoberteil 7 und ein Siegelwerkzeugunterteil 8.Upon further transport, the already closed
Die Trennstation 4 weist im zweiten Ausführungsbeispiel eine Quertrenneinrichtung 4a und 4b und eine Längstrenneinrichtung 4b auf. In beiden Trenneinrichtungen 4a, 4b kann ein Trennmesser 9 zu einer Hubbewegung angetrieben sein, um die Folienbahn 5 zu durchtrennen. Die Arbeitsstationen 2, 3a, 3b, 4a, 4b der Verpackungsmaschine 20 sind auf einem gemeinsamen Maschinengestell 28 angeordnet. In diesem Maschinengestell 28 befindet sich in Produktionsrichtung R der Verpackungsmaschine 20 eine Welle 16. Wie im ersten Ausführungsbeispiel kann die Welle 16 an einem Rahmen 13 gelagert sein. An jeder Arbeitsstation 2, 3a, 3b, 4a, 4b ist eine Transfermechanik 17 vorgesehen, vorzugsweise ein Kniehebelgestänge oder eine Nockenmechanik, um die Bewegung der Welle 16 in eine Hubbewegung eines Werkzeugteils 6, 7, 8, 9 der jeweiligen Arbeitsstation 2, 3a, 3b, 4a, 4b zu übertragen. Auch das Formwerkzeug der zweiten Formstation 23 kann mittels einer entsprechenden Transfermechanik 17 durch die Rotationsbewegung der Welle 16 zu einer Hubbewegung angetrieben sein.The
Ausgehend von den dargestellten Ausführungsbeispielen kann die erfindungsgemäße Verpackungsmaschine 1, 20 in vielfacher Hinsicht abgewandelt werden. Insbesondere wäre es denkbar, weitere Arbeitsstationen vorzusehen und/oder weitere Werkzeugteile der vorhandenen Arbeitsstationen mittels der gemeinsamen Welle 16 anzutreiben.Starting from the illustrated embodiments, the
In einer weiteren Variante ist es auch denkbar, dass mindestens eine Arbeitsstation eine Transfermechanik 17 aufweist, bei der die Rotationsbewegung der Welle 16 in eine Linearbewegung umgewandelt wird, beispielsweise durch eine Spindelausführung der Welle 16 im Bereich der Arbeitsstation und einer auf der Welle sitzende Spindelmutter. Die somit lineare bewegbare Spindelmutter kann ein Kniehebelsystem zum Anheben und/oder Absenken eines Werkzeugteils antreiben.In another variant, it is also conceivable that at least one workstation has a
Werkzeugteile, wie Formwerkzeugunterteil, Formwerkzeugoberteil, Siegelwerkzeugunterteil oder Siegelwerkzeugoberteil, können wechselbar ausgeführt sein. Dabei können die Werkzeuge vorzugsweise seitlich gegenüber der Produktionsrichtung aus der Verpackungsmaschine heraus entnommen werden. Da sich verschiedene Medienverbindungen wie Strom, Druckluft, Vakuum oder Kühlwasser an den Werkzeugen angebracht sind, werden diese leicht lösbar ausgeführt, vorzugsweise mit einem Anschlussblock, der auch unterschiedliche Medien aufnehmen kann und der die Verbindung vom Werkzeug zur Maschine in der Arbeitsposition realisiert. Mit entsprechenden Dichtsystemen und einer Sicherung des Werkzeuges in der Arbeitsposition wird die Medienverbindung automatisch beim Wechsel eines Werkzeuges gelöst und anschließend wieder verbunden.Tool parts, such as the lower part of the mold, the upper part of the mold, the lower part of the sealing tool or the upper part of the sealing tool, can be exchangeable. In this case, the tools can preferably be removed from the packaging machine laterally with respect to the production direction. Since various media connections such as electricity, compressed air, vacuum or cooling water are attached to the tools, they are easily detachable, preferably with a connection block, which can also accommodate different media and realizes the connection from the tool to the machine in the working position. With appropriate sealing systems and a backup of the tool in the working position, the media connection is automatically released when changing a tool and then reconnected.
Eine weitere Ausführung der Tiefziehverpackungsmaschine 1, 20 sieht eine zur Produktionsrichtung R vertikale Hubeinrichtung eines Teils des Vorschubsystems für das bahnförmige Verpackungsmaterial 5 im Bereich der Form- und/oder Siegelstation 2, 3 vor. Die Hubbewegung des Vorschubsystems (z. B. einer seitlichen Kettenführung für eine Transportkette zum Transportieren der Verpackungsfolienbahn 5) im Bereich der Formstation 2 bewirkt, dass bei geöffneter Formstation 2 ein Abstand des bahnförmigen Verpackungsmaterials 5 gegenüber der Heizplatte, die das bahnförmige Verpackungsmaterial 5 für den Formprozess erwärmt, vorhanden ist, damit das bahnförmige Verpackungsmaterial nicht unnötig durch Strahlungs- oder Kontaktwärme zu sehr erwärmt wird. Mit dem Schließvorgang der Formstation 2 wird das Vorschubsystem wieder in seine Arbeitsposition zurückbewegt, damit das bahnförmige Verpackungsmaterial 5 gezielt erwärmt und verformt werden kann. Somit kann auf eine Oberhubfunktion des Formwerkzeugoberteils verzichtet werden und der Platzbedarf in diesem Bereich reduziert werden.Another embodiment of the
Die vertikale Hubeinrichtung des Vorschubsystems ist auch im Bereich der Siegelstation 3 denkbar, falls über den Packungsrand, der gleichzeitig auch meist die Siegelebene darstellt, überstehende Produkte in die Siegelstation transportiert werden und das Siegelwerkzeugoberteil 7 keine Oberhubfunktion besitzt.The vertical lifting device of the feed system is also conceivable in the area of the sealing station 3, if over the edge of the package, which at the same time also usually represents the sealing plane, protruding products are transported into the sealing station and the sealing tool
Vorzugsweise ist der verstellbare Bereich des Vorschubsystems von den nicht verstellbaren Bereichen getrennt und mittels Pneumatikzylinder oder Servoantrieben verstellbar und/oder an die Bewegung eines Werkzeugunterteils gekoppelt. Ein Spannelement zum Spannen der Transportkette könnte beim Verstellen des Vorschubsystems nachgeben.Preferably, the adjustable range of the feed system is separated from the non-adjustable areas and adjustable by means of pneumatic cylinders or servo drives and / or coupled to the movement of a tool lower part. A tensioning element for tensioning the transport chain could give way when adjusting the feed system.
Claims (10)
dadurch gekennzeichnet,
dass die Verpackungsmaschine (1, 20) eine in ihrer Produktionsrichtung (R) angeordnete, rotatorisch angetriebene Welle (16) aufweist, und dass zwischen der Welle (16) und den beweglichen Werkzeugteilen (6, 7, 8, 9) unterschiedlicher Arbeitsstationen (2, 3, 4) jeweils mindestens eine Transfermechanik (17) zum Übertragen der Bewegung der Welle (16) auf die Bewegung des jeweiligen Werkzeugteils (6, 7, 8, 9) vorgesehen ist.Packaging machine (1, 20) having a plurality of workstations (2, 3, 4) operable in common mode and defining a production direction (R) of the packaging machine (1, 20), each having at least one movable tool part (6, 7, 8, 9),
characterized,
in that the packaging machine (1, 20) has a rotationally driven shaft (16) arranged in its production direction (R), and that between the shaft (16) and the movable tool parts (6, 7, 8, 9) of different workstations (2 , 3, 4) in each case at least one transfer mechanism (17) for transmitting the movement of the shaft (16) to the movement of the respective tool part (6, 7, 8, 9) is provided.
Priority Applications (4)
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ES10007915T ES2411957T3 (en) | 2010-07-29 | 2010-07-29 | Packaging machine with several work stations |
EP10007915.1A EP2412637B1 (en) | 2010-07-29 | 2010-07-29 | Packaging machine with multiple work stations |
CN201110216919.0A CN102424150B (en) | 2010-07-29 | 2011-07-29 | Packaging machine comprising a plurality of work stations |
US13/193,923 US8720169B2 (en) | 2010-07-29 | 2011-07-29 | Packaging machine comprising a plurality of work stations |
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EP10007915.1A EP2412637B1 (en) | 2010-07-29 | 2010-07-29 | Packaging machine with multiple work stations |
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EP2412637B1 EP2412637B1 (en) | 2013-05-01 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106347790A (en) * | 2016-09-20 | 2017-01-25 | 迈为医疗技术(深圳)有限公司 | Single power source and multi-direction moving mechanism for packaging of medicine bags |
CN106347790B (en) * | 2016-09-20 | 2018-08-24 | 迈为医疗技术(深圳)有限公司 | A kind of medicine bag encapsulation single power source Multidirectional motion mechanism |
DE102022132789A1 (en) | 2022-12-09 | 2024-06-20 | Multivac Sepp Haggenmüller Se & Co. Kg | Packaging machine with exchangeable tool part and method for tool change |
Also Published As
Publication number | Publication date |
---|---|
CN102424150A (en) | 2012-04-25 |
ES2411957T3 (en) | 2013-07-09 |
CN102424150B (en) | 2014-07-09 |
US20120023865A1 (en) | 2012-02-02 |
US8720169B2 (en) | 2014-05-13 |
EP2412637B1 (en) | 2013-05-01 |
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