EP0569936B1 - Verpackungsmaschine mit einer Schneideinrichtung - Google Patents

Verpackungsmaschine mit einer Schneideinrichtung Download PDF

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Publication number
EP0569936B1
EP0569936B1 EP93107649A EP93107649A EP0569936B1 EP 0569936 B1 EP0569936 B1 EP 0569936B1 EP 93107649 A EP93107649 A EP 93107649A EP 93107649 A EP93107649 A EP 93107649A EP 0569936 B1 EP0569936 B1 EP 0569936B1
Authority
EP
European Patent Office
Prior art keywords
piston
cutting
packaging machine
piston rod
knife
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
EP93107649A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0569936A1 (de
Inventor
Elmar Ehrmann
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=6459037&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0569936(B1) "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
Publication of EP0569936A1 publication Critical patent/EP0569936A1/de
Application granted granted Critical
Publication of EP0569936B1 publication Critical patent/EP0569936B1/de
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
    • 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
    • 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
    • B26D5/02—Means for moving the cutting member into its operative position for cutting

Definitions

  • the invention relates to a packaging machine with a cutting device according to the preamble of claim 1.
  • the abutment In a packaging machine with a cutting device, the abutment is moved in a known manner to the level of the film to be separated and then locked. In this locked position, the knife lying on the opposite side of the film web engages and cuts the film web in cooperation with the abutment. Undesirable bending forces occur which adversely affect the cutting result.
  • the object of the invention is to modify the packaging machine of the type described in the introduction in such a way that the cutting device is improved in such a way that the disadvantage described is avoided becomes. This object is achieved by a packaging machine characterized in claim 1.
  • the packaging machine has a machine frame 1 and, one after the other, a molding station 2, an evacuation and sealing station 3 and a cutting device 4.
  • a film web 5 is introduced into the machine from the input side in the packaging machine.
  • containers are formed from the film web. After filling, these are sealed in the evacuation and sealing station and finally separated from one another by means of the cutting device 4.
  • the cutting device comprises a piston-cylinder device 6 arranged below the film web 5, which extends essentially in the vertical direction and which has a cylinder 7 and a piston 8 which extends upwards.
  • the upper free end of the piston is designed as the actual abutment 9 for the knife 12 and has a bearing surface for the film web 5 with an immersion slot 10 for the knife 12.
  • the piston-cylinder device 6 is connected to a compressed air source, not shown.
  • the piston-cylinder device is designed in such a way that the abutment just reaches the underside of the film web when the compressed air supplied to the cylinder is applied.
  • the knife device 11 comprises a cutting knife 12 which lies directly above the film web 5 and on the point opposite the abutment.
  • the actual knife 12 is connected to a pneumatically operated drive, with the aid of which the knife can be moved through the film web 5 into the immersion slot 10 and can be returned to the retracted position.
  • the piston rod 8 has a slot 13 extending perpendicular to its axis.
  • a wedge 14 is provided which is mounted so as to be displaceable in the direction perpendicular to the axis of the piston, that is to say in the horizontal direction, and which is connected on one side to a drive device 15 which moves the wedge in its guide in such a way that the wedge between the one shown in FIG 2 shown retracted position and a position in which the wedge is moved into the slot 13, can be moved back and forth.
  • the piston device has a marking.
  • a sensor 17 is arranged so that it detects the marking when the abutment is just in the extended position described above.
  • the output of the sensor is connected to an input of a controller 18.
  • An output of the control is connected to the control input of the drive device 15.
  • the inclined plane of the wedge 13 is chosen so that the thicker end of the wedge lies on the side connected to the drive.
  • the wedge 14 is initially in the retracted position such that the piston rod can be moved freely on the film web from the lowered position into the position described above and shown in FIG. 2.
  • the drive device 15 is switched on via the control 18, as a result of which the wedge moves into the slot and thus an additional mechanical force is exerted in the direction of the film web, so that the latter around a little bit is biased upwards.
  • the wedge then remains locked until the actual cutting process has taken place by immersing the knife 12.
  • the force generated is not transmitted to the piston-cylinder device but to the wedge or the abutment 19 carrying it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP93107649A 1992-05-15 1993-05-11 Verpackungsmaschine mit einer Schneideinrichtung Expired - Lifetime EP0569936B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4216207 1992-05-15
DE4216207A DE4216207C1 (enrdf_load_stackoverflow) 1992-05-15 1992-05-15

Publications (2)

Publication Number Publication Date
EP0569936A1 EP0569936A1 (de) 1993-11-18
EP0569936B1 true EP0569936B1 (de) 1996-09-11

Family

ID=6459037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107649A Expired - Lifetime EP0569936B1 (de) 1992-05-15 1993-05-11 Verpackungsmaschine mit einer Schneideinrichtung

Country Status (3)

Country Link
EP (1) EP0569936B1 (enrdf_load_stackoverflow)
DE (2) DE4216207C1 (enrdf_load_stackoverflow)
ES (1) ES2094411T3 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59709858D1 (de) * 1997-08-08 2003-05-22 Multivac Haggenmueller Kg Hubeinrichtung für eine Arbeitsstation einer Verpackungsmaschine
DE20313228U1 (de) * 2003-08-27 2005-01-05 Nicepac Gmbh Vorrichtung zum Schneiden von Folien
DE102008035223A1 (de) * 2008-07-29 2010-02-04 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit Einpunkt-Werkzeugverriegelung
DE102010026409A1 (de) * 2010-07-07 2012-01-12 Wemhöner Systems Technologies AG Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn
DE102022107346A1 (de) 2022-03-29 2023-10-05 Multivac Sepp Haggenmüller Se & Co. Kg Hubwerk mit Verriegelung sowie Verfahren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130618A (en) * 1936-09-03 1938-09-20 Westinghouse Air Brake Co Fluid pressure motor and locking means therefor
US3574291A (en) * 1968-09-26 1971-04-13 Illinois Tool Works Packaging apparatus
US3805486A (en) * 1972-05-31 1974-04-23 Mahaffy & Harder Eng Co Packaging apparatus and techniques
DE3118946A1 (de) * 1981-05-13 1982-12-16 Krämer + Grebe GmbH & Co KG Maschinenfabrik, 3560 Biedenkopf Vorrichtung zum austrennen von muldenfoermig tiefgezogenen, befuellten kunststoff-packungen aus den folienbahnen
DE3619811A1 (de) * 1986-06-12 1987-12-17 Kraemer & Grebe Kg Druckluftantrieb fuer stanz-, schneid- und praegeeinrichtungen

Also Published As

Publication number Publication date
DE4216207C1 (enrdf_load_stackoverflow) 1993-08-19
EP0569936A1 (de) 1993-11-18
DE59303714D1 (de) 1996-10-17
ES2094411T3 (es) 1997-01-16

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