EP0895933B2 - Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine - Google Patents

Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine Download PDF

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Publication number
EP0895933B2
EP0895933B2 EP97113794A EP97113794A EP0895933B2 EP 0895933 B2 EP0895933 B2 EP 0895933B2 EP 97113794 A EP97113794 A EP 97113794A EP 97113794 A EP97113794 A EP 97113794A EP 0895933 B2 EP0895933 B2 EP 0895933B2
Authority
EP
European Patent Office
Prior art keywords
lifting device
lifting
rollers
piston
tool
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.)
Expired - Lifetime
Application number
EP97113794A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0895933B1 (de
EP0895933A1 (de
Inventor
Johann Natterer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Multivac Sepp Haggenmueller GmbH and Co KG
Original Assignee
Multivac Sepp Haggenmueller GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8227191&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0895933(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG
Priority to EP97113794A priority Critical patent/EP0895933B2/de
Priority to ES97113794T priority patent/ES2197273T5/es
Priority to DE59709858T priority patent/DE59709858D1/de
Priority to US09/126,474 priority patent/US6006505A/en
Priority to JP10225879A priority patent/JP3041606B2/ja
Publication of EP0895933A1 publication Critical patent/EP0895933A1/de
Publication of EP0895933B1 publication Critical patent/EP0895933B1/de
Publication of EP0895933B2 publication Critical patent/EP0895933B2/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/021—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas the containers or wrappers being interconnected

Definitions

  • the invention relates to a lifting device for a workstation of a packaging machine according to the preamble of claim 1.
  • a packaging machine has workstations for various functions such as forming, filling, sealing and cutting. At least one movable part of a workstation is brought into the working position via a hoist. In this position, an increased force to close the tool parts of the workstation is required to hold a packing web for the operation and then perform the operation. For example, to form a sheet of plastic material, a chamber is hermetically closed and then the web is deformed with fluid from a source of compressed air. In this case, high pressures are used for a quick and detailed shaping, which exert high forces on the forming station.
  • a lifting device for a cutting station of a packaging machine with the features of the preamble of claim 1 is known.
  • the piston rod which is formed at its free end as an abutment is raised by inserting a wedge-shaped element in a corresponding recess of the piston rod by a further piece at the end of the stroke by a piston-cylinder device, so that in the reached as end position by the piston rod, a force is exerted that is higher than the force applied by the piston-cylinder device force.
  • the friction forces occurring during insertion of the wedge cause a faster wear of the material.
  • the object is achieved by a lifting device according to claim 1.
  • the lifting device has the advantage that the closing operation of the workstation takes place in two steps: The first closing movement into the working position takes place over a larger path and requires a relatively small force. The power generation for the working operation then takes place via a second closing movement, wherein the active forces are absorbed during the operation. A power stroke element generates the necessary force for the second closing movement independently of the device which effects the first closing movement. The required force is always generated at the end of the closing process, regardless of an exact dead center.
  • the lifting device also has the advantage that the power stroke element for generating the second closing movement is compact and thus space-saving constructed and that it has a high wear resistance.
  • the packaging machine has a machine frame 1 and, arranged in succession, a forming station 2, an evacuation and sealing station 3 and a cutting device 4.
  • a film web 5 is introduced from the input side into the machine.
  • containers 6 are formed from the film web. These are sealed after filling in a filling station, not shown in the figure in the evacuation and sealing station 3 with a top film and finally separated by means of the cutter 4 from each other.
  • the machine frame 1 also has the guide for a chain drive (not shown) for conveying the film web 5 or the packaging container 6 formed therefrom.
  • a work station which is shown here by way of example as an evacuation and sealing station 3, has a base part 7, a tool upper part 8 fixedly connected thereto, and a tool lower part 9 movable relative thereto.
  • the base part 7 and the upper tool part 8 of the workstation are connected to one another via guide rods 10.
  • the lifting device is a lifting device for moving the tool lower part 9 relative to the upper tool 8 from an open position shown in Figures 2 and 3 in a closed position shown in Figures 4 and 5, in which the lower tool part 9 and the upper tool 8 cooperate provided.
  • the lifting device has two connected via a yoke 11 piston-cylinder devices 12.
  • the cylinders 13 of each piston-cylinder device 12 are each connected to the base part 7, while the piston rods 14 are each connected to the yoke 11, which in turn carries the lower tool part 9.
  • the yoke 11 and the tool base 9 connected thereto are connected to guide bushes 15 sliding on the guide rods 10.
  • the piston-cylinder devices 12 are designed so that they can move the lower tool part 9 in a first closing movement over a large stroke in a size to over 200mm from the open position to the closed position and vice versa.
  • the lifting device has a second lifting element, a so-called force lifting element 20, for generating force via a second closing movement with a shorter stroke relative to the first closing movement.
  • the power stroke element 20 has a fixed to the base part 7 housing 21 and a movable therein in the stroke direction part in the form of a lifting rod 22 which is fixedly connected at its the tool base 9 end facing the yoke 11 and thus with the lower tool part 9.
  • the power stroke element 20 has a drive in the form of a piston-cylinder device 23, whose cylinder or center axis M is aligned parallel to the stroke direction of the tool lower part 9.
  • the piston-cylinder device 23 has a cylinder 24 and a piston 25 displaceable therein.
  • the cylinder 24 has on its side facing the tool lower part 9 end face 26 an opening 27, through which the lifting rod 22 is slidably guided via slide bearings and sealed by seals 28 relative to the cylinder chamber.
  • the piston 25 has a corresponding opening 29 through which the lifting rod 22 is passed accordingly.
  • a piston rod connected to the piston 25 is formed in the form of a sleeve 30 through which the lifting rod 22 is passed accordingly and slidable via slide bearings. Further, the piston-cylinder device 23 has an inlet 31 and an outlet 32 for compressed air in the cylinder chamber.
  • the piston-cylinder device 23 is connected to a housing 21 of the power stroke element 20, which receives the mechanical power transmission elements described below.
  • the housing 21 has a rectangular cross section in a plane perpendicular to the center axis M and forms a chamber 50 with its side walls for receiving the mechanical power transmission elements.
  • the housing 21 On its underside 51, the housing 21 has an opening 52 which connects the chamber 50 with a second chamber 53 of lesser cross section. As can be seen in particular from FIG. 7 a, the second chamber 53 completely accommodates the free end 60 of the lifting rod 22 in the open position of the workstation.
  • the free end 60 of the lifting rod 22 has an end piece or pressure part 61, which essentially has the shape of an inverted roof gable, and therefore, as shown particularly in FIG. 6 can be seen, in a plane parallel to the center axis M has triangular cross-section.
  • the pressure member 61 has two flat surfaces 61 a, 61 b, which are each aligned at an acute angle to the center axis M.
  • a gate 55 is provided which is fixedly connected at its upper, the piston-cylinder device end facing the sleeve 30 and which is displaceable in the chamber 50 between the chamber ceiling and the chamber bottom up and down.
  • the slide is formed from two parts and, as can be seen in particular from FIGS. 6 and 7a to 7d, has two guide grooves 70a, 70b on each of its surfaces facing the interior of the chamber, in each of which the ends are guided by roller pairs 80 extending transversely through the chamber 50. So there are a total of four rollers 80 are provided.
  • the guide grooves 70a, 70b each extend at an obtuse angle to the center axis M.
  • the rollers 80 are movable in the guide grooves but positively guided.
  • the upper longitudinal edges of belonging to a pair of rollers opposite guide grooves 70a. define a first plane 71a of the force transmission from the link 55 to this pair of rollers, which is at an obtuse angle to the center axis M.
  • an abutment 90 is provided for the rollers 80.
  • the abutment 90 is formed symmetrically and has two each extending at an acute angle to the center axis surfaces 90a, 90b, on each of which a pair of rollers 80 is supported.
  • the angle which the surfaces 90a, 90b include with the center axis M differs from the angle which the surfaces 61a, 61b of the end piece in each case enclose with the center axis M such that a second plane passing through the surface 90a is opposite to one through the Surface 61a extending third level is slightly inclined and thus the two levels include a wedge angle between them.
  • the first plane is substantially perpendicular to the second plane.
  • the inclination of the three planes to one another determines the force transmission ratio between the force F 1 applied by the piston-cylinder device 23 and the force F 2 exerted on the tool lower part 9 by means of the lifting rod 22 during the second closing movement.
  • the mechanical force transmission device is thus designed such that it has a nearly constant force curve, wherein when a resistance occurs, the force for the second closing movement is generated.
  • the lifting device In the open position of the work station shown in Figures 2 and 3, in which the lower tool part 9 and the upper die 8 are separated from each other, the lifting rod 22 is in its lowest position in which it is fully inserted into the Kraftthubelement 20.
  • the piston 25 of the piston-cylinder device 23 is located at the upper stop (Fig. 7a). Then, the piston-cylinder devices 12 are activated for the first closing movement, wherein the lower tool part 9 performs a first closing path with a stroke distance of up to over 200mm.
  • the lifting rod 22 Since the lifting rod 22 is connected to the yoke 11 and is displaceable within the Kraftstubiatas 20, it is pulled up to the stroke of the first closing path and is then in the position shown in Fig. 7b, wherein the lower tool part 9 and the upper die 8 are in the closed position shown in Figures 4 and 5.
  • the piston-cylinder device 23 of the Krafthubiatas 20 is actuated and initiated the second closing movement.
  • 23 compressed air is supplied via the compressed air inlet 31 of the piston-cylinder device.
  • the sleeve 30 pushes the link 55 with a force F 1 down.
  • the first planes 71a and 71b formed by the guide grooves each transmit the force exerted by the sleeve 30 on the link 55 force on the pairs of rollers 80.
  • the pairs of rollers 80 are each forced in the guide grooves 70a, 70b and of the inclined surfaces 90a, 90b of the abutment 90 experience a counterforce, they differ in the downward movement of the guide 55 in the guide grooves each upwards and engage with the inclined surfaces 61a, 61b of the pressure member 61 of the lifting rod 22 (Fig. 7c).
  • the rollers of each roller pair then roll in the downward movement of the link 55 in each case on the surface of the abutment and the opposite surface of the tail in opposite directions from rotating. Since the respective surface of the abutment 90a, 90b includes a wedge angle with the respective opposite surface of the pressing member 61a and 61b, the rollers exert a force on the pressing member 61.
  • FIGS. 8a to 8c the principle of force transmission from the piston-cylinder device 23 via the link 55 and the pairs of rollers 80 to the lifting rod 22 is again shown with reference to one half of the mechanical transmission device.
  • F 2 a force which is greater than the force of the piston-cylinder device 23.
  • a closing force can be generated which is two to 30 times as large as the force generated by the drive.
  • a geometry is chosen in which the closing force is about 10 times as large as the force generated by the drive of the piston-cylinder device 23.
  • the second closing path of the lower tool part 9 relative to the upper tool 8 is in the order of about 1mm to about 10mm.
  • the achievable closing forces over the second closing path are in the range of about 25kN to 150kN, depending on the size and function of the station.
  • the lifting device may have one, two or more piston-cylinder devices for the first closing movement. It can also have two or more power stroke elements for the second closing movement.
  • the lifting device additionally comprises a lever system 100 shown in FIGS. 2 to 5 between the movable tool lower part 9 of the station and the machine frame 1 in order to lift the entire hoist, coupled with the movement of the movable tool lower part 9 to the open position and thus the otherwise fixed tool upper part 8 away from the film web 5.
  • the lever system 100 connects the lower tool part 9 to the base part 7 of the work station and to the machine frame 1.
  • the lever system 100 has two two-armed levers 101a, 101b.
  • the pivot point 102a, 102b of each lever 101a, 101b is in each case articulated via a connecting rod 106a, 106b at a point 107a, 107b of the machine frame 1, wherein the connecting rods 106a, 106b are rotatably mounted at the articulation points 107a, 107b.
  • the one outer end of the levers 101a, 101b is rotatably connected to the base part 7 via a rotary joint 103a, 103b, respectively.
  • the other outer end of the levers 101a, 101b is connected to the yoke 11 via a connecting rod 104a, 104b, respectively, with both the linkage points 105a, 105b of the connecting rods on the yoke and the linkage points 108a, 108b of the connecting rods on the lever being made rotatable.
  • the connecting rods 104a, 104b thus serve to transmit the up or down movement of the tool lower part 9 to the levers 101a, 101b and thus to the base part 7.
  • a lowering of the lower tool part 9 in the open position of the workstation simultaneously causes a lifting of the base part 7 and thus the entire lifting device relative to the machine frame 1. Since the upper tool 8 is rigidly connected to the base part 7, thus the upper tool 8 is relative to the machine frame 1 and thus raised relative to the film web 5. Thus, packages 6, which have an expansion downwards and upwards, can be easily forwarded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Manipulator (AREA)
  • Transmission Devices (AREA)
EP97113794A 1997-08-08 1997-08-08 Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine Expired - Lifetime EP0895933B2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP97113794A EP0895933B2 (de) 1997-08-08 1997-08-08 Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine
ES97113794T ES2197273T5 (es) 1997-08-08 1997-08-08 Dispositivo de elevacion para una estacion de trabajo de una maquina envasadora.
DE59709858T DE59709858D1 (de) 1997-08-08 1997-08-08 Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine
US09/126,474 US6006505A (en) 1997-08-08 1998-07-30 Lifting device for a working station of a packaging machine
JP10225879A JP3041606B2 (ja) 1997-08-08 1998-08-10 リフト装置及びパッケージング機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97113794A EP0895933B2 (de) 1997-08-08 1997-08-08 Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine

Publications (3)

Publication Number Publication Date
EP0895933A1 EP0895933A1 (de) 1999-02-10
EP0895933B1 EP0895933B1 (de) 2003-04-16
EP0895933B2 true EP0895933B2 (de) 2007-03-07

Family

ID=8227191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113794A Expired - Lifetime EP0895933B2 (de) 1997-08-08 1997-08-08 Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine

Country Status (5)

Country Link
US (1) US6006505A (ja)
EP (1) EP0895933B2 (ja)
JP (1) JP3041606B2 (ja)
DE (1) DE59709858D1 (ja)
ES (1) ES2197273T5 (ja)

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US6637749B2 (en) * 2001-10-15 2003-10-28 International Paper Company Seal for clean-in-place enclosure for a packaging machine
DE10351567B4 (de) * 2003-11-03 2017-06-22 Gea Food Solutions Germany Gmbh Thermoformer mit einem Elektrolinearzylinder
AU2004100000A4 (en) 2004-01-02 2004-02-12 Sands Innovations Pty Ltd Dispensing stirring implement
DE102004006118A1 (de) * 2004-02-06 2005-08-25 Cfs Germany Gmbh Verpackungsmaschine mit mehreren Hubvorrichtungen pro Arbeitsstation
ES2284336B1 (es) * 2005-07-22 2008-10-01 Volpak, S.A. Dispositivo de accionamiento de una barra de un carro de transporte de envases flexibles para maquinas envasadoras horizontales y carro que incorpora dicho dispositivo.
DE102005038357A1 (de) * 2005-08-11 2007-02-15 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit wenigstens einem Pneumatikantrieb
DE102006006218A1 (de) * 2006-02-09 2007-08-16 Cfs Germany Gmbh Hubvorrichtung für eine Verpackungsmaschine
JP4868956B2 (ja) * 2006-06-23 2012-02-01 シーケーディ株式会社 ブリスター包装機
WO2008092200A1 (en) 2007-01-31 2008-08-07 Sands Innovations Pty Ltd A dispensing utensil and manufacturing method therefor
US7490448B1 (en) * 2007-03-09 2009-02-17 Alkar-Rapidpak, Inc. Form-fill-seal web packaging system with sealing station
WO2010065980A1 (en) 2008-12-09 2010-06-17 Sands Innovations Pty Ltd A dispensing container
DE102009008452B3 (de) 2009-02-11 2010-10-07 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit einer Arbeitsstation, die ein elektrisches Hubwerk mit Grob- und Feinhub aufweist
CH700772A2 (de) * 2009-04-15 2010-10-15 Mps Maschinen & Pack Systeme Ag Arbeitsstation einer Blisterverpackungsmaschine.
USD636890S1 (en) 2009-09-17 2011-04-26 Sands Innovations Pty. Ltd. Dispensing utensil
US9828125B2 (en) 2009-10-20 2017-11-28 Cvp Systems, Inc. Modified atmosphere packaging apparatus and method with automated bag production
DE102010009536A1 (de) * 2010-02-26 2011-09-01 Cfs Germany Gmbh Verfahren zum Wechsel des Ober- und Unterwerkzeugs einer Verpackungsmaschine
US8511500B2 (en) 2010-06-07 2013-08-20 Sands Innovations Pty. Ltd. Dispensing container
WO2012065640A1 (de) * 2010-11-17 2012-05-24 Inauen Group Ag Vakuumverpackungsmaschine
US8485360B2 (en) 2011-03-04 2013-07-16 Sands Innovations Pty, Ltd. Fracturable container
DE102011101053B4 (de) 2011-05-10 2014-06-05 Multivac Sepp Haggenmüller Gmbh & Co. Kg Arbeitsstation für eine Verpackungsmaschine und Verfahren zum Werkzeugwechsel
DE102011101051A1 (de) * 2011-05-10 2012-11-15 Multivac Sepp Haggenmüller Gmbh & Co. Kg Werkzeugwechseleinrichtung
ES2544533T3 (es) * 2012-12-19 2015-09-01 Multivac Sepp Haggenmüller Gmbh & Co. Kg Máquina de embalaje de embutición profunda con mecanismo elevador electromotor
CN103738553B (zh) * 2013-12-20 2015-10-28 广西科技大学 一种巧克力包装机
ES2666854T3 (es) * 2014-01-21 2018-05-08 Multivac Sepp Haggenmüller Gmbh & Co. Kg Máquina de envasado termoformadora con estación formadora de lámina superior y método correspondiente
TR201907236T4 (tr) 2015-05-13 2019-06-21 Gea Food Solutions Germany Gmbh Bir kaldırma cihazına sahip paketleme makinesi.
DE102015109499A1 (de) * 2015-06-15 2016-12-15 Plümat Plate & Lübeck GmbH & Co. Vorrichtung und Verfahren zur Herstellung von Kunststoffbeuteln
EP3130546A1 (de) * 2015-08-11 2017-02-15 MULTIVAC Sepp Haggenmüller SE & Co. KG Zugkurbelhubwerk für verpackungsmaschine
US10407199B2 (en) 2015-08-28 2019-09-10 Cvp Systems Llc Packaging apparatus with package dividing seal mechanism
DE102017101210B4 (de) * 2016-01-27 2024-08-01 Gea Food Solutions Germany Gmbh Verpackungsmaschine mit einer Hubvorrichtung
DE102017107243A1 (de) * 2017-04-04 2018-10-04 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit neigbarer werkzeugschublade
DE102019219833A1 (de) * 2019-12-17 2021-06-17 Multivac Sepp Haggenmüller Se & Co. Kg Arbeitsstation für eine Verpackungsmaschine mit einem Hubwerk mit Kniehebelmechanismus
DE102020134816A1 (de) 2020-12-23 2022-06-23 Multivac Sepp Haggenmüller Se & Co. Kg Hubwerk
WO2023117860A2 (de) 2021-12-22 2023-06-29 Gea Food Solutions Germany Gmbh Hub für eine verpackungsmaschine mit zwei koppelstangen

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Also Published As

Publication number Publication date
ES2197273T3 (es) 2004-01-01
DE59709858D1 (de) 2003-05-22
JP3041606B2 (ja) 2000-05-15
ES2197273T5 (es) 2007-11-01
EP0895933B1 (de) 2003-04-16
US6006505A (en) 1999-12-28
JPH11147512A (ja) 1999-06-02
EP0895933A1 (de) 1999-02-10

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