EP2384866B1 - Cutting device for a packing machine - Google Patents
Cutting device for a packing machine Download PDFInfo
- Publication number
- EP2384866B1 EP2384866B1 EP20110003695 EP11003695A EP2384866B1 EP 2384866 B1 EP2384866 B1 EP 2384866B1 EP 20110003695 EP20110003695 EP 20110003695 EP 11003695 A EP11003695 A EP 11003695A EP 2384866 B1 EP2384866 B1 EP 2384866B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging machine
- drive
- machine according
- push rod
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005520 cutting process Methods 0.000 title claims description 90
- 238000012856 packing Methods 0.000 title 1
- 238000004806 packaging method and process Methods 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 24
- 239000000463 material Substances 0.000 description 23
- 229920006280 packaging film Polymers 0.000 description 10
- 239000012785 packaging film Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 7
- 238000003856 thermoforming Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/14—Crank and pin means
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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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/0006—Means for guiding the cutter
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8821—With simple rectilinear reciprocating motion only
- Y10T83/8841—Tool driver movable relative to tool support
- Y10T83/8843—Cam or eccentric revolving about fixed axis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9457—Joint or connection
- Y10T83/9473—For rectilinearly reciprocating tool
- Y10T83/9478—Tool is single element reciprocable generally perpendicularly to elongate cutting edge [e.g., shear, etc.]
Definitions
- the present invention relates to a cutting device for a packaging machine according to the preamble of claim 1.
- thermoforming packaging machines as a special type of packaging machines.
- packaging trays are deep-drawn in a lower film, filled with a product and then sealed with a lidding film. After sealing, the packages must be separated from each other.
- cutting devices are usually provided in the longitudinal and transverse direction of the working direction of the packaging machine. These cutting devices are exposed to heavy loads, since they move quickly and must exert high forces when cutting in particular strong packaging films. They are therefore prone to fatigue and require regular maintenance.
- conventional cutting devices are often expensive in their energy and space requirements.
- Object of the present invention is to improve with simple design means a packaging machine to the effect that the above-mentioned disadvantages are avoided.
- a bent-shaped push rod is provided between the drive of the cutting device and the cutting blade.
- the curved shape of the push rod allows a much better transmission of the forces exerted by the drive on the push rod and transferred from this to the cutting blade.
- the improved power transmission reduces material fatigue.
- the linear guide has a first lateral guide and a second guide, between which a cross member extends, to which the cutting blade is fastened.
- the side guides may be, for example, bars or rails.
- a first end of the push rod is connected via a rotary joint with the cross member. This allows the push rod to raise the cross member in different angular positions can.
- a second end of the push rod can be connected via a rotary joint with at least one crankshaft.
- This crankshaft specifies the angular positions of the push rod and also defines the height displacement of the push rod.
- the pivot between the second end of the push rod and the crankshaft is received in a curved guide. This considerably increases the stability of the lifting mechanism and also leads to a smoother running of the cutting blade. Since the movement of the rotary joint is predetermined by the crankshaft, the backdrop does not constitute a further forced guidance of the rotary joint, but serves mainly for stability.
- the scenery may extend at least over a semicircle about an output shaft of the drive or to a transmission shaft of the drive.
- the swivel joint can thus execute a movement of 180 ° or more around the shaft in the scenery. In this way it can be ensured that the cutting movement corresponds to or exactly twice the length of the crankshaft.
- the gate can be provided in a plate connected to both side guides. It is also conceivable that two plates arranged parallel to one another are provided, each of which has a link.
- the crankshaft may be connected to an output shaft of the drive, or with a provided between the drive and the crankshaft gear.
- the drive is an electric motor.
- the drive is arranged within the space bounded by the two side guides. In this way, the cutting device is compact, since the drive no longer projects laterally.
- the longitudinal axis of the drive is arranged in a plan view parallel to the cutting blade.
- the length of the cutting device in the working direction of the packaging machine is particularly short, so that can be arranged one behind the other several cutting devices or other work equipment in a short distance.
- a gear with at least one gear shaft is provided on the output shaft of the drive, which is arranged at 90 ° to the output shaft of the drive.
- two such transmission shafts could be provided which extend from both sides of the output shaft. In the latter case, the driving forces are distributed particularly symmetrically.
- FIG. 1 shows a schematic view of a packaging machine 1 according to the invention in the form of a thermoforming packaging machine.
- This thermoforming packaging machine 1 has a forming station 2, a sealing station 3, a cross-cutting device 4 and a longitudinal cutting device 5, which are arranged in this working order in a working direction R on a machine frame 6.
- the cross-cutting device 4 is formed in this embodiment as a cutting device according to the invention, which will be described in detail below.
- a feed roller 7 On the input side is located on the machine frame 6, a feed roller 7, from which a first web-shaped material 8 is withdrawn. In the area of the sealing station 3, a material reservoir 9 is provided, from which a second web-shaped material 10 is withdrawn as a cover film.
- a discharge device 13 in the form of a conveyor belt is provided on the packaging machine, are transported with the finished, isolated packaging. Furthermore, the packaging machine 1, a feed device, not shown, which engages the first web-shaped material 8 and transported in a main working cycle in cycles in the direction of R.
- the feed device can be realized for example by laterally arranged transport chains.
- the forming station 2 is formed as a thermoforming station in which containers 14 are formed by deep drawing in the first sheet material 8.
- the forming station 2 may be designed such that in the direction perpendicular to the working direction R a plurality of containers are formed side by side.
- an insertion path 15 is provided, in which the containers 14 formed in the first web-shaped material 8 are filled with product 16.
- the sealing station 3 has a closable chamber 17 in which the atmosphere in the container 14 can be replaced prior to sealing, for example, by gas purging with a replacement gas or with an exchange gas mixture.
- the cross-cutting device 4 is designed as a punch that cuts through the first web-shaped material 8 and the second web-shaped material 10 in a direction transverse to the working direction R between adjacent containers 14. In this case, the cross-cutting device 4 operates such that the first web-shaped material 8 is not divided over the entire width, but not severed at least in a peripheral area. This allows a controlled onward transport by the feed device.
- the longitudinal cutting device 5 is formed in the illustrated embodiment as a knife assembly with which the first web-shaped material 8 and the second web-like material 10 between adjacent containers 14 and the lateral edge of the first web-shaped material 8 are severed, so that behind the slitter 5 individualized packages available.
- the packaging machine 1 also has a controller 18. It has the task of controlling and monitoring the processes taking place in the packaging machine 1.
- a display device 19 with operating elements 20 serves to visualize or influence the process sequences in the packaging machine 1 for or by an operator.
- the first web-shaped material 8 is withdrawn from the feed roller 7 and transported by the feed device into the forming station 2.
- containers 14 are formed by deep drawing in the first sheet-like material 8.
- the containers 14 are transported along with the surrounding area of the first web-like material 8 in a main working cycle to the insertion path 15, in which they are filled with product 16.
- the filled containers 14 are transported along with the surrounding area of the first sheet material 8 in the main working cycle by the feed device in the sealing station 3.
- the second web-shaped material 10 is transported as a lid film after a Ansiegelvorgang to the first web-shaped material 8 with the advancing movement of the first web-shaped material 8.
- the second web-shaped material 10 is withdrawn from the material storage 9.
- sealed packages 21 are formed.
- the cross-cutting device 4 is an example of a cutting device according to the invention.
- FIG. 2 shows a view of the cross-cutting device 4 in the direction of the transport direction R of the packaging machine 1.
- the cutting device 4 has a cutting blade 22, which has a cutting edge 23 on its upper side.
- the cutting blade 22 is mounted on a cross member 25 via two fastening elements 24.
- the cutting blade 22 may in particular be detachably fastened to the fastening elements 24, so that a defective or worn cutting blade 22 can be exchanged.
- the cutting blade 23 is guided in a vertical linear guide 26 for vertical movement.
- This linear guide comprises the cross member 25, two vertically oriented, designed as rods side guides 27 and two sleeves 28, which are located respectively at one end of the cross member 25 and each enclose a side guide 27. Since the sleeves 28 in the axial direction of the side guides 27 are higher than the cross member 25, they prevent tilting of the cross member 25. Thus, they ensure a smoother running of the cutting blade 22 and for a defined, horizontal orientation of the cutting edge 23rd
- the two side guides 27 are connected to each other by a (optional slotted) counter-pressure bar or by a counter knife 29 having at its lower end a horizontal, with the cutting edge 23 of the cutting blade 22 cooperating (cutting) edge 30.
- the lower ends of the two side guides 27 are interconnected by two vertically aligned, mutually parallel support plates 31.
- the support plates 31 have substantially the shape of a parallelogram.
- FIG. 3 an approach to the cross member 25 via a first pivot 32 with a bent shaped push rod 33 is connected.
- the push rod has a substantially U-shaped curvature.
- the ends are again bent outwards relative to the U-shaped curvature. From the in FIG. 3 Seen on the left sides, this results in a total of a concave-convex-concave curvature of the push rod. From the in FIG. 3 Seen from the right side, a convex-concave-convex curvature of the push rod 33 results.
- a second, lower end of the push rod 33 is connected via a second pivot 34 with a crankshaft 35.
- a crankshaft 35 may be provided at each end of the second pivot 34.
- the drive 36 is an electric motor in the present exemplary embodiment.
- This electric motor 36 has an output shaft which is directed in the axial direction of the drive 36.
- the output shaft (not shown) terminates at a transmission 37.
- the transmission has two transmission shafts 38, each extending at an angle of 90 ° to the right and left of the output shaft of the drive 36 from. By means of the output shaft, the transmission shafts 38 are actuated.
- the transmission shafts 38 can also be designed as hollow shafts with inserted axle.
- the two horizontally oriented transmission shafts 38 are each connected to a crankshaft 35. Rotation of the transmission shafts 38 results in rotation of the crankshafts 35 about the transmission 37.
- the drive 36 is completely within the space bounded by the two side guides 27 to the right and left.
- the output shaft of the drive 36 is located between the two support plates 31. Viewed from the side, there is also the push rod 33 between the two support plates 31.
- the crankshafts 35 are arranged on the outer sides of the two support plates 31. Both the transmission shafts 38 and the second pivot 34 extend through the two support plates 31.
- a semi-circular gate 39 is provided in the support plates 31, . It extends over an angle of 180 ° about the transmission shafts 38 of the transmission 37th
- the distance between the cutting edge 23 of the cutting blade 22 and the cutting edge 30 of the counter knife 29 is so large that filled and sealed packages 21 between the two cutting edges 23, 30 and between the two side guides 27 can be transported therethrough.
- the cutting blade 22 is in the in FIG. 3 shown raised position (or cutting position) brought.
- the output shaft of the drive 36 moves the transmission shafts 38 to rotate about their respective axes.
- This rotation causes the crankshafts 35 connected to the transmission shafts 38 to pivot about the transmission shafts 38.
- the extending through the support plates, second pivot 34 moves from the lower end of the link 39 through the entire link 39 to the upper end.
- the crankshaft 35 thereby moves from a downwardly directed to an upward position, starting in each case from the transmission shaft 38.
- the stroke of the cutting blade 22 thus corresponds to twice the distance between the axis of the transmission shaft 38 and the axis of the second pivot 34.
- the push rod 33 With the second pivot 34, the push rod 33 is connected. Because of the positive guidance by the linear guide 26, the cross member 25 and the cutting blade 22 move in a vertical upward direction, when the lower pivot 34 and with him the push rod 33 are raised. The sleeves 28 ensure that the cross member 25 and the cutting blade 22 always remain aligned horizontally. The push rod 33 adjusts in angle respectively suitable between the two hinges 32, 34 a.
- the cross member 25 is lifted until the cutting edges 23, 30 of the cutting blade 22 and the counter blade 29 meet.
- the films of the packages 24 between the two cutting edges 23, 30 are severed.
- FIGS. 2 to 4 Cutting device shown are also used as a longitudinal cutting device 5 in the packaging machine 1. It only has to be ensured that the side guides 27 do not hinder the transport of the packaging films 8, 10.
- the whole, in FIG. 2 The device shown may be oriented so that the cutting blade 22 extends in the longitudinal direction or the transport direction R, and the side guides 27 could be offset relative to the cutting blade 22 so that these side guides 27 do not hinder the transport of the packaging films 8, 10.
- FIG. 2 shown cutting blades 22 are oriented in the longitudinal direction (ie, by 90 ° relative to the cross member 25 of FIG. 2 can be rotated), and the cutting blade 22 can be connected to the cross member 25 by a single fastener extending in the longitudinal direction to support the cutting blade 22 in this longitudinal direction.
- the side guides would 27 remain on opposite sides of the packaging films 8, 10.
- one or more additional cutting blades could be similarly connected to the cross member 25, so that the cutting device 5 can be used to produce a plurality of longitudinal cuts in the packaging films 8, 10.
- the cutter 5 may be provided with four side guides 27 such that there are two side guides 27 on each side of the wrapping sheets 8, 10, respectively.
- Such a cutting device 5 can also be driven with a single arrangement of a drive 36 and a push rod 33, which is for example connected to a longitudinal member which extends between the two transverse members 25.
- the cutting device 5 may also be equipped with two arrangements of drives 36 and push rods 33, in which each arrangement is connected to one of the transverse members 25.
- the counter knife 29 and the cutting edge 30 is formed and arranged so that it reflects the arrangement and orientation of the lower cutting blade 22.
- the cutting device 4, 5 can also be modified in other respects.
- the side guides 27 need not be formed as rods, but one or both of the side guides may also be formed as rails.
- a corresponding slider can be used, which is connected to the cross member 25.
- two support plates 31 only one support plate 31 can be provided.
- two crankshafts 35 in another embodiment, only a single crankshaft 35 may be present. It is also conceivable not to connect the lower end of the crankshaft 35 to a transmission shaft 38, but directly to the output shaft of the drive 36.
- the longitudinal axis of the drive 36 ie the axis of the output shaft of the drive 36, may extend in the horizontal direction or - as in the FIGS. 2 and 3 shown - at an angle to the horizontal.
- the drive 36 may be formed as a disc rotor motor in which a cylindrical hollow shaft is driven.
- This hollow shaft of the pancake motor 36 may be coupled directly to the push rod 33, so that the crankshaft 35 can be omitted in this embodiment.
- the gear is preferably formed very stable in the cutting device 4 according to the invention.
- the gear housing is supported on the support plates 31, and by the crankshafts 35 are directly connected to the transmission shafts 38, the stability of the transmission 37 may be so high that no additional bearing parts or bearings are required to operate in the operation of the cutting device 4 by to absorb the cutting and by the weight of the crankshaft 35 and the push rod 38 occurring process forces.
- the gearbox mounting can take place in special (for example, hardened) bearings with a higher load capacity.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Package Closures (AREA)
Description
Die vorliegende Erfindung bezieht sich auf eine Schneideinrichtung für eine Verpackungsmaschine gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a cutting device for a packaging machine according to the preamble of claim 1.
Die
Aufgabe der vorliegenden Erfindung ist es, mit konstruktiv einfachen Mitteln eine Verpackungsmaschine dahingehend zu verbessern, dass die oben genannten Nachteile vermieden werden.Object of the present invention is to improve with simple design means a packaging machine to the effect that the above-mentioned disadvantages are avoided.
Diese Aufgabe wird gelöst durch eine Verpackungsmaschine mit den Merkmalen des Anspruchs 1. Vorteilhafte Weiterbildungen sind in den abhängigen Ansprüchen angegeben.This object is achieved by a packaging machine with the features of claim 1. Advantageous developments are specified in the dependent claims.
Bei der erfindungsgemäßen Verpackungsmaschine ist zwischen dem Antrieb der Schneideinrichtung und dem Schneidmesser eine gebogen geformte Schubstange vorgesehen. Die gebogene Form der Schubstange ermöglicht eine deutlich bessere Übertragung der Kräfte, die vom Antrieb auf die Schubstange ausgeübt und von dieser auf das Schneidmesser übertragen werden. Durch die verbesserte Kraftübertragung wird die Materialermüdung verringert.In the packaging machine according to the invention a bent-shaped push rod is provided between the drive of the cutting device and the cutting blade. The curved shape of the push rod allows a much better transmission of the forces exerted by the drive on the push rod and transferred from this to the cutting blade. The improved power transmission reduces material fatigue.
Besonders gut wird die Verteilung der Kräfte und Spannungen an der Schubstange, weil diese im Wesentlichen eine U-förmige Krümmung aufweist. Dabei könnten die Enden der Schubstange auch wieder seitlich abgewinkelt sein, sodass sich - beispielsweise von einer Seite der Schubstange betrachtet - insgesamt eine konkav-konvex-konkave Krümmung ergibt.Especially good is the distribution of forces and stresses on the push rod, because this has a substantially U-shaped curvature. The ends of the push rod could also be bent laterally again, so that - viewed from one side of the push rod, for example - results in a total of a concave-convex-concave curvature.
Besonders günstig ist es, wenn die Linearführung eine erste Seitenführung und eine zweite Führung aufweist, zwischen denen sich ein Querglied erstreckt, an dem das Schneidmesser befestigt ist. Durch die beidseitige Führung des Quergliedes wird ein Verkanten verhindert, und die Schneidkräfte können in einer definierten Ausrichtung des Schneidmessers auf die Verpackungsfolien übertragen werden. Bei den Seitenführungen kann es sich beispielsweise um Stangen oder um Schienen handeln.It is particularly favorable if the linear guide has a first lateral guide and a second guide, between which a cross member extends, to which the cutting blade is fastened. By two-sided guidance of the cross member tilting is prevented, and the cutting forces can be transmitted in a defined orientation of the cutting blade on the packaging films. The side guides may be, for example, bars or rails.
Vorzugsweise ist ein erstes Ende der Schubstange über ein Drehgelenk mit dem Querglied verbunden. Dies ermöglicht es der Schubstange, das Querglied in unterschiedlichen Winkelstellungen anheben zu können.Preferably, a first end of the push rod is connected via a rotary joint with the cross member. This allows the push rod to raise the cross member in different angular positions can.
Ein zweites Ende der Schubstange kann über ein Drehgelenk mit mindestens einer Kurbelwelle verbunden sein. Diese Kurbelwelle gibt dann die Winkelstellungen der Schubstange vor und definiert zudem die Höhenverschiebung der Schubstange.A second end of the push rod can be connected via a rotary joint with at least one crankshaft. This crankshaft then specifies the angular positions of the push rod and also defines the height displacement of the push rod.
In einem bevorzugten Ausführungsbeispiel ist das Drehgelenk zwischen dem zweiten Ende der Schubstange und der Kurbelwelle in einer gekrümmten Kulisse aufgenommen. Dies erhöht die Stabilität der Hubmechanik beträchtlich und führt zudem zu einem ruhigeren Lauf des Schneidmessers. Da die Bewegung des Drehgelenks durch die Kurbelwelle vorgegeben ist, stellt die Kulisse keine weitere Zwangsführung des Drehgelenks dar, sondern sie dient hauptsächlich der Stabilität.In a preferred embodiment, the pivot between the second end of the push rod and the crankshaft is received in a curved guide. This considerably increases the stability of the lifting mechanism and also leads to a smoother running of the cutting blade. Since the movement of the rotary joint is predetermined by the crankshaft, the backdrop does not constitute a further forced guidance of the rotary joint, but serves mainly for stability.
Die Kulisse kann sich zumindest über einen Halbkreis um eine Abtriebswelle des Antriebs oder um eine Getriebewelle des Antriebs erstrecken. Das Drehgelenk kann somit in der Kulisse eine Bewegung um 180° oder mehr um die Welle ausführen. Auf diese Weise kann sichergestellt werden, dass die Schneidbewegung bis zu oder exakt der doppelten Länge der Kurbelwelle entspricht.The scenery may extend at least over a semicircle about an output shaft of the drive or to a transmission shaft of the drive. The swivel joint can thus execute a movement of 180 ° or more around the shaft in the scenery. In this way it can be ensured that the cutting movement corresponds to or exactly twice the length of the crankshaft.
Um die Stabilität weiter zu erhöhen, kann die Kulisse in einer mit beiden Seitenführungen verbundenen Platte vorgesehen sein. Denkbar ist es auch, dass zwei parallel zueinander angeordnete Platten vorgesehen sind, die jeweils eine Kulisse aufweisen.To further increase the stability, the gate can be provided in a plate connected to both side guides. It is also conceivable that two plates arranged parallel to one another are provided, each of which has a link.
Die Kurbelwelle kann mit einer Abtriebswelle des Antriebs verbunden sein, oder auch mit einer zwischen dem Antrieb und der Kurbelwelle vorgesehenen Getriebe.The crankshaft may be connected to an output shaft of the drive, or with a provided between the drive and the crankshaft gear.
In einem Ausführungsbeispiel der Erfindung handelt es sich bei dem Antrieb um einen Elektromotor. Im Gegensatz zu den herkömmlicherweise verwendeten Linearantrieben oder Pneumatikantrieben bietet dies den Vorteil, geringeren Verschleiß aufzuweisen bzw. auf die Druckluft verzichten zu können. Stattdessen kann die Schneideinrichtung (und ggf. die gesamte Verpackungsmaschine) allein mit elektrischer Energie betrieben werden.In one embodiment of the invention, the drive is an electric motor. In contrast to the conventionally used linear drives or Pneumatic actuators offer the advantage of having less wear and / or being able to dispense with the compressed air. Instead, the cutting device (and possibly the entire packaging machine) can be operated solely with electrical energy.
Besonders günstig ist es, wenn der Antrieb innerhalb des durch die beiden Seitenführungen begrenzten Bauraums angeordnet ist. Auf diese Weise wird die Schneideinrichtung kompakt, da der Antrieb nicht mehr seitlich übersteht.It is particularly favorable if the drive is arranged within the space bounded by the two side guides. In this way, the cutting device is compact, since the drive no longer projects laterally.
Günstig kann es auch sein, wenn die Längsachse des Antriebs in Draufsicht parallel zum Schneidmesser angeordnet ist. Auf diese Weise wird die Baulänge der Schneideinrichtung in Arbeitsrichtung der Verpackungsmaschine besonders kurz, sodass sich in kurzem Abstand mehrere Schneideinrichtungen oder andere Arbeitsaggregate hintereinander anordnen lassen.It may also be favorable if the longitudinal axis of the drive is arranged in a plan view parallel to the cutting blade. In this way, the length of the cutting device in the working direction of the packaging machine is particularly short, so that can be arranged one behind the other several cutting devices or other work equipment in a short distance.
Optional ist an der Abtriebswelle des Antriebs ein Getriebe mit mindestens einer Getriebewelle vorgesehen, die unter 90° zur Abtriebswelle des Antriebs angeordnet ist. Insbesondere könnten zwei solcher Getriebewellen vorgesehen sein, die sich beidseitig von der Abtriebswelle aus erstrecken. In letzterem Fall werden die Antriebskräfte besonders symmetrisch verteilt.Optionally, a gear with at least one gear shaft is provided on the output shaft of the drive, which is arranged at 90 ° to the output shaft of the drive. In particular, two such transmission shafts could be provided which extend from both sides of the output shaft. In the latter case, the driving forces are distributed particularly symmetrically.
Im Folgenden wird ein vorteilhaftes Ausführungsbeispiel anhand einer Zeichnung näher erläutert. Im Einzelnen zeigen:
- Figur 1
- eine schematische Seitenansicht einer erfindungsgemäßen Verpackungsmaschine in Form einer Tiefziehverpackungsmaschine,
- Figur 2
- eine Ansicht der Schneideinrichtung in einer abgesenkten Stellung des Schneidmessers,
Figur 3- eine Ansicht der erfindungsgemäßen Schneideinrichtung in einer angehobenen Stellung des Schneidmessers und
- Figur 4
- eine Seitenansicht der erfindungsgemäßen Schneideinrichtung.
- FIG. 1
- a schematic side view of a packaging machine according to the invention in the form of a thermoforming packaging machine,
- FIG. 2
- a view of the cutting device in a lowered position of the cutting blade,
- FIG. 3
- a view of the cutting device according to the invention in a raised position of the cutting blade and
- FIG. 4
- a side view of the cutting device 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.
Eingangsseitig befindet sich an dem Maschinengestell 6 eine Zufuhrrolle 7, von der ein erstes bahnförmiges Material 8 abgezogen wird. Im Bereich der Siegelstation 3 ist ein Materialspeicher 9 vorgesehen, von dem ein zweites bahnförmiges Material 10 als Deckelfolie abgezogen wird. Ausgangsseitig ist an der Verpackungsmaschine eine Abfuhreinrichtung 13 in Form eines Transportbandes vorgesehen, mit der fertige, vereinzelte Verpackungen abtransportiert werden. Ferner weist die Verpackungsmaschine 1 eine nicht dargestellte Vorschubeinrichtung auf, die das erste bahnförmige Material 8 ergreift und in einem Hauptarbeitstakt taktweise in der Arbeitsrichtung R weitertransportiert. Die Vorschubeinrichtung kann zum Beispiel durch seitlich angeordnete Transportketten realisiert sein.On the input side is located on the
In der dargestellten Ausführungsform ist die Formstation 2 als eine Tiefziehstation ausgebildet, in der in dem ersten bahnförmigen Material 8 durch Tiefziehen Behälter 14 geformt werden. Dabei kann die Formstation 2 derart ausgebildet sein, dass in der Richtung senkrecht zur Arbeitsrichtung R mehrere Behälter nebeneinander gebildet werden. In Arbeitsrichtung R hinter der Formstation 2 ist eine Einlegestrecke 15 vorgesehen, in der die in dem ersten bahnförmigen Material 8 geformten Behälter 14 mit Produkt 16 befüllt werden.In the illustrated embodiment, the forming station 2 is formed as a thermoforming station in which
Die Siegelstation 3 verfügt über eine verschließbare Kammer 17, in der die Atmosphäre in den Behälter 14 vor dem Versiegeln zum Beispiel durch Gasspülen mit einem Austauschgas oder mit einem Austausch-Gasgemisch ersetzt werden kann.The sealing
Die Querschneideinrichtung 4 ist als Stanze ausgebildet, die das erste bahnförmige Material 8 und das zweite bahnförmige Material 10 in einer Richtung quer zur Arbeitsrichtung R zwischen benachbarten Behältern 14 durchtrennt. Dabei arbeitet die Querschneideinrichtung 4 derart, dass das erste bahnförmige Material 8 nicht über die gesamte Breite aufgeteilt wird, sondern zumindest in einem Randbereich nicht durchtrennt wird. Dies ermöglicht einen kontrollierten Weitertransport durch die Vorschubeinrichtung.The cross-cutting device 4 is designed as a punch that cuts through the first web-shaped
Die Längsschneideinrichtung 5 ist in der dargestellten Ausführungsform als eine Messeranordnung ausgebildet, mit der das erste bahnförmige Material 8 und das zweite bahnförmige Material 10 zwischen benachbarten Behältern 14 und am seitlichen Rand des ersten bahnförmigen Materials 8 durchtrennt werden, so dass hinter der Längsschneideinrichtung 5 vereinzelte Verpackungen vorliegen.The longitudinal cutting device 5 is formed in the illustrated embodiment as a knife assembly with which the first web-shaped
Die Verpackungsmaschine 1 verfügt ferner über eine Steuerung 18. Sie hat die Aufgabe, die in der Verpackungsmaschine 1 ablaufenden Prozesse zu steuern und zu überwachen. Eine Anzeigevorrichtung 19 mit Bedienelementen 20 dient zum Visualisieren bzw. Beeinflussen der Prozessabläufe in der Verpackungsmaschine 1 für bzw. durch einen Bediener.The packaging machine 1 also has a
Die generelle Arbeitsweise der Verpackungsmaschine 1 wird im Folgenden kurz dargestellt.The general mode of operation of the packaging machine 1 will be briefly described below.
Das erste bahnförmige Material 8 wird von der Zufuhrrolle 7 abgezogen und durch die Vorschubeinrichtung in die Formstation 2 transportiert. In der Formstation 2 werden durch Tiefziehen Behälter 14 in dem ersten bahnförmigen Material 8 gebildet. Die Behälter 14 werden zusammen mit dem umgebenden Bereich des ersten bahnförmigen Materials 8 in einem Hauptarbeitstakt zu der Einlegestrecke 15 weitertransportiert, in der sie mit Produkt 16 befüllt werden.The first web-shaped
Anschließend werden die befüllten Behälter 14 zusammen mit dem sie umgebenden Bereich des ersten bahnförmigen Materials 8 in dem Hauptarbeitstakt durch die Vorschubeinrichtung in die Siegelstation 3 weitertransportiert. Das zweite bahnförmige Material 10 wird als Deckelfolie nach einem Ansiegelvorgang an das erste bahnförmige Material 8 mit der Vorschubbewegung des ersten bahnförmigen Materials 8 weitertransportiert. Dabei wird das zweite bahnförmige Material 10 von dem Materialspeicher 9 abgezogen. Durch das Ansiegeln der Deckelfolie 10 an die Behälter 14 entstehen verschlossene Verpackungen 21.Subsequently, the filled
In den Schneideinrichtungen 4, 5 werden die Verpackungen 21 vereinzelt, indem die Materialbahnen 8, 10 in Quer- bzw. Längsrichtung durchtrennt werden. Die Querschneideinrichtung 4 ist ein Beispiel einer erfindungsgemäßen Schneideinrichtung.In the cutting devices 4, 5, the packages 21 are separated by the
Das Schneidmesser 23 ist in einer vertikalen Linearführung 26 für eine vertikale Bewegung geführt. Diese Linearführung umfasst das Querglied 25, zwei vertikal ausgerichtete, als Stangen ausgebildete Seitenführungen 27 sowie zwei Hülsen 28, die sich jeweils an einem Ende des Querglieds 25 befinden und jeweils eine Seitenführung 27 umschließen. Da die Hülsen 28 in Axialrichtung der Seitenführungen 27 höher sind als das Querglied 25, verhindern sie ein Verkanten des Querglieds 25. Damit sorgen sie für einen ruhigeren Lauf des Schneidmessers 22 und für eine definierte, horizontale Ausrichtung der Schneidkante 23.The
Am obere Ende sind die beiden Seitenführungen 27 durch eine (optional geschlitzte) Gegendruckleiste oder durch ein Gegenmesser 29 miteinander verbunden, das an seinem unteren Ende eine horizontale, mit der Schneidkante 23 des Schneidmessers 22 zusammenwirkende (Schneid-) Kante 30 aufweist. Die unteren Enden der beiden Seitenführungen 27 sind durch zwei vertikal ausgerichtete, parallel zueinander angeordnete Stützplatten 31 miteinander verbunden. Die Stützplatten 31 haben im Wesentlichen die Form eines Parallelogramms.At the upper end, the two side guides 27 are connected to each other by a (optional slotted) counter-pressure bar or by a
Wie insbesondere in
Ein zweites, unteres Ende der Schubstange 33 ist über ein zweites Drehgelenk 34 mit einer Kurbelwelle 35 verbunden. Tatsächlich kann an beiden Enden des zweiten Drehgelenks 34 jeweils eine Kurbelwelle 35 vorgesehen sein.A second, lower end of the
An den Stützplatten 31 ist ein Antrieb 36 zum Antreiben der Bewegung des Schneidmessers 22 befestigt. Bei dem Antrieb 36 handelt es sich im vorliegenden Ausführungsbeispiel um einen Elektromotor. Dieser Elektromotor 36 verfügt über eine Abtriebswelle, die in Axialrichtung des Antriebs 36 gerichtet ist. Die Abtriebswelle (nicht dargestellt) endet an einem Getriebe 37. Das Getriebe verfügt über zwei Getriebewellen 38, die sich jeweils unter einem Winkel von 90° nach rechts und links von der Abtriebswelle des Antriebs 36 aus erstrecken. Mittels der Abtriebswelle werden die Getriebewellen 38 betätigt. Die Getriebewellen 38 können auch als Hohlwellen mit durchgesteckter Achse ausgebildet sein.On the
Die beiden horizontal ausgerichteten Getriebewellen 38 sind jeweils mit einer Kurbelwelle 35 verbunden. Eine Drehung der Getriebewellen 38 führt zu einer Drehung der Kurbelwellen 35 um das Getriebe 37.The two horizontally oriented
In Transportrichtung R betrachtet, d.h. in der Ansicht in den
In den Stützplatten 31 ist eine halbkreisförmige Kulisse 39 vorgesehen. Sie erstreckt sich über einen Winkel von 180° um die Getriebewellen 38 des Getriebes 37.In the
Im Folgenden wird der Betrieb der erfindungsgemäßen Schneideinrichtung 4, 5 erläutert.The operation of the cutting device 4, 5 according to the invention is explained below.
In
Sobald der Vorschub der Verpackungen 21 gestoppt wurde, wird das Schneidmesser 22 in die in
Mit dem zweiten Drehgelenk 34 ist die Schubstange 33 verbunden. Wegen der Zwangsführung durch die Linearführung 26 bewegen sich das Querglied 25 und das Schneidmesser 22 in vertikaler Richtung nach oben, wenn das untere Drehgelenk 34 und mit ihm die Schubstange 33 angehoben werden. Die Hülsen 28 sorgen dafür, dass das Querglied 25 und das Schneidmesser 22 stets horizontal ausgerichtet bleiben. Die Schubstange 33 stellt sich in ihrem Winkel jeweils geeignet zwischen den beiden Drehgelenken 32, 34 ein.With the
Das Querglied 25 wird so weit angehoben, bis die Schneidkanten 23, 30 des Schneidmessers 22 und des Gegenmessers 29 aufeinander treffen. Die Folien der Verpackungen 24 zwischen den beiden Schneidkanten 23, 30 werden dabei durchtrennt.The
In den
Statt als Querschneideeinrichtung 4 kann die in den
Als anderes Beispiel könnte das in
In noch einem weiteren Beispiel kann die Schneideinrichtung 5 mit vier Seitenführungen 27 ausgestattet werden, so dass sich jeweils zwei Seitenführungen 27 auf jeder Seite der Verpackungsfolien 8, 10 befinden. Zwei Querglieder 25, die in Längsrichtung der Verpackungsmaschine voneinander beabstandet sind, könnten sich jeweils zwischen den auf den gegenüberliegenden Seiten der Verpackungsfolien 8, 10 angeordneten Seitenführungen 27 erstrecken. Ein oder mehrere Schneidmesser 22, die sich in Longitudinalrichtung R zwischen den Quergliedern 25 erstrecken und beispielsweise mit Befestigungselementen 24 mit den Quergliedern 25 verbunden sind, würden zum Schneiden der Verpackungsfolien 8, 10 dienen. Solch eine Schneideinrichtung 5 kann auch mit einer einzigen Anordnung eines Antriebs 36 und einer Schubstange 33 angetrieben werden, die beispielsweise mit einem Längsglied verbunden ist, das sich zwischen den beiden Quergliedern 25 erstreckt. Alternativ dazu kann die Schneideinrichtung 5 auch mit zwei Anordnungen von Antrieben 36 und Schubstangen 33 ausgerüstet sein, bei denen jede Anordnung mit jeweils einem der Querglieder 25 verbunden ist.In yet another example, the cutter 5 may be provided with four side guides 27 such that there are two side guides 27 on each side of the
Selbstverständlich ist bei diesen Varianten das Gegenmesser 29 und dessen Schneidkante 30 so ausgebildet und angeordnet, dass es die Anordnung und Orientierung des unteren Schneidmessers 22 widerspiegelt.Of course, in these variants, the
Ausgehend von dem dargestellten Ausführungsbeispiel kann die erfindungsgemäße Schneideinrichtung 4, 5 auch in anderer Hinsicht abgewandelt werden. Beispielsweise müssen die Seitenführungen 27 nicht als Stangen ausgebildet sein, sondern eine oder beide der Seitenführungen können auch als Schienen ausgebildet sein. Statt der Hülsen 28 kann dann ein entsprechendes Gleitstück verwendet werden, das mit dem Querglied 25 verbunden ist. Statt zweier Stützplatten 31 kann auch lediglich eine Stützplatte 31 vorgesehen sein. Statt zweier Kurbelwellen 35 kann in einem anderen Ausführungsbeispiel auch lediglich eine einzige Kurbelwelle 35 vorhanden sein. Denkbar ist es auch, das untere Ende der Kurbelwelle 35 nicht mit einer Getriebewelle 38, sondern unmittelbar mit der Abtriebswelle des Antriebs 36 zu verbinden. Die Längsachse des Antriebs 36, d.h. die Achse der Abtriebswelle des Antriebs 36, kann in horizontaler Richtung verlaufen oder - wie in den
Abweichend vom dargestellten Ausführungsbeispiel kann der Antrieb 36 auch als Scheibenläufermotor ausgebildet sein, bei dem eine zylindrische Hohlachse angetrieben wird. Diese Hohlachse des Scheibenläufermotors 36 kann direkt mit der Schubstange 33 gekoppelt sein, sodass die Kurbelwelle 35 in diesem Ausführungsbeispiel entfallen kann.Notwithstanding the illustrated embodiment, the
Das Getriebe ist bei der erfindungsgemäßen Schneideinrichtung 4 vorzugsweise sehr stabil ausgebildet. Indem sich das Getriebegehäuse an den Stützplatten 31 abstützt, und indem die Kurbelwellen 35 direkt mit den Getriebewellen 38 verbunden sind, kann die Stabilität des Getriebes 37 so hoch sein, dass keine zusätzlichen Lagerteile oder Lagerstellen erforderlich sind, um im Betrieb der Schneideinrichtung 4 die durch das Schneiden und durch das Gewicht der Kurbelwellen 35 und der Schubstange 38 auftretenden Prozesskräfte aufzunehmen. Um die Stabilität des Getriebes 37 weiter zu erhöhen, kann die Getriebelagerung in speziellen (beispielsweise gehärteten) Lagern mit höherer Tragkraft erfolgen.The gear is preferably formed very stable in the cutting device 4 according to the invention. By the gear housing is supported on the
Claims (13)
- A packaging machine (1), comprising a cutting unit (4) having a cutting knife (22) guided in a linear guide (26) in a linearly movable manner, and a drive (36) for driving the movement of the cutting knife (22), characterized in that a curved push rod (33) is provided between the drive (36) and the cutting knife (22), wherein the push rod (33) has a substantially U-shaped curvature.
- The packaging machine according to claim 1, characterized in that the linear guide (26) is provided with a first lateral guide (27) and a second lateral guide (27), a transverse member (25) extending between said lateral guides (27) and having the cutting knife (22) secured thereto.
- The packaging machine according to claim 2, characterized in that a first end of the push rod (33) is connected to the transverse member (25) via a swivel joint (32).
- The packaging machine according to one of the preceding claims, characterized in that a second end of the push rod (33) is connected to at least one crank shaft (35) via a swivel joint (34).
- The packaging machine according to claim 4, characterized in that the swivel joint (34) is adapted to be moved in a curved slotted link (39).
- The packaging machine according to claim 5, characterized in that the slotted link (39) describes at least a semicircle around an output shaft of the drive (36) or around a gear box shaft (38) of the drive (36).
- The packaging machine according to one of the claims 5 or 6, characterized in that the slotted link (39) is provided in a plate connected to both lateral guides (27).
- The packaging machine according to one of the preceding claims, characterized in that the crank shaft (35) is connected to the output shaft of the drive (36).
- The packaging machine according to one of the preceding claims, characterized in that the drive (36) is an electric motor.
- The packaging machine according to one of the claims 2 to 8, characterized in that the drive (36) is arranged within the installation space delimited by the two lateral guides (27).
- The packaging machine according to one of the preceding claims, characterized in that, on the output shaft of the drive (36), a gear box (37) is provided, said gear box (37) comprising at least one gear box shaft (38) extending at an angle of 90° relative to the output shaft.
- The packaging machine according to claim 11, characterized in that, when seen from above, the longitudinal axis of the drive (36) for the gear box (37) extends parallel to the cutting knife (22).
- The packaging machine according to one of the claims 1 to 10, characterized in that the drive (36) is implemented as an electric motor with a disc-shaped rotor, said motor being directly coupled to the push rod (33).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20120008232 EP2572839A1 (en) | 2010-05-06 | 2011-05-05 | Cutting device for a packing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010019634 DE102010019634B3 (en) | 2010-05-06 | 2010-05-06 | Cutting device for a packaging machine |
Related Child Applications (1)
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EP12008232.6 Division-Into | 2012-12-10 |
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EP2384866B1 true EP2384866B1 (en) | 2013-03-20 |
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EP20120008232 Withdrawn EP2572839A1 (en) | 2010-05-06 | 2011-05-05 | Cutting device for a packing machine |
EP20110003695 Active EP2384866B1 (en) | 2010-05-06 | 2011-05-05 | Cutting device for a packing machine |
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EP20120008232 Withdrawn EP2572839A1 (en) | 2010-05-06 | 2011-05-05 | Cutting device for a packing machine |
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EP (2) | EP2572839A1 (en) |
CN (1) | CN102233961B (en) |
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2010
- 2010-05-06 DE DE201010019634 patent/DE102010019634B3/en not_active Expired - Fee Related
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2011
- 2011-05-04 US US13/100,730 patent/US9409304B2/en active Active
- 2011-05-05 EP EP20120008232 patent/EP2572839A1/en not_active Withdrawn
- 2011-05-05 EP EP20110003695 patent/EP2384866B1/en active Active
- 2011-05-05 ES ES11003695T patent/ES2402990T3/en active Active
- 2011-05-06 CN CN201110117448.8A patent/CN102233961B/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US12024329B2 (en) | 2018-11-23 | 2024-07-02 | Kocher-Plastik Maschinenbau Gmbh | Device for preparing plastic containers for being put into use |
Also Published As
Publication number | Publication date |
---|---|
DE102010019634B3 (en) | 2011-11-17 |
CN102233961A (en) | 2011-11-09 |
US9409304B2 (en) | 2016-08-09 |
EP2384866A1 (en) | 2011-11-09 |
CN102233961B (en) | 2015-12-09 |
ES2402990T3 (en) | 2013-05-13 |
EP2572839A1 (en) | 2013-03-27 |
US20110271812A1 (en) | 2011-11-10 |
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