EP0847923B1 - Vorrichtung zum Umreifen von Packstücken - Google Patents

Vorrichtung zum Umreifen von Packstücken Download PDF

Info

Publication number
EP0847923B1
EP0847923B1 EP97117463A EP97117463A EP0847923B1 EP 0847923 B1 EP0847923 B1 EP 0847923B1 EP 97117463 A EP97117463 A EP 97117463A EP 97117463 A EP97117463 A EP 97117463A EP 0847923 B1 EP0847923 B1 EP 0847923B1
Authority
EP
European Patent Office
Prior art keywords
girdling
strapping
plane
closure
closure unit
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
EP97117463A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0847923A2 (de
EP0847923A3 (de
Inventor
Horst Köllen
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.)
Signode Packaging Systems GmbH
Original Assignee
Signode Bernpak GmbH
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
Application filed by Signode Bernpak GmbH filed Critical Signode Bernpak GmbH
Publication of EP0847923A2 publication Critical patent/EP0847923A2/de
Publication of EP0847923A3 publication Critical patent/EP0847923A3/de
Application granted granted Critical
Publication of EP0847923B1 publication Critical patent/EP0847923B1/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
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools

Definitions

  • the invention relates to a device for strapping of packages according to the preamble of the claim 1.
  • Strapping devices of this type do this Strapping agent tight around a package and weld overlapping in the strapping device Strapping ends together, the loop formed from the stock of strapping material is separated. The strapping goes through during a working cycle of strapping guides, the strapping channel and strapping clamps in the area of the strapping device.
  • the strapping tool shot into the strapping channel, until the free leading end of the strap clamped in the area of the locking unit can be and the strapping guide located in the strapping area.
  • this strapping mostly the function of a separator for the overlapping Strapping ends comes from the strapping level to control.
  • the strapping around the package tightened and the strapping fastener manufactured This can be done by means of friction welding or else by means of resistance heating, which is part of the present invention is irrelevant. Important is, that the overlapping strapping ends until the strapping is finished and until the package is removed this from a headstock (sometimes in technical jargon also called “anvil” or “closure plate”) against which the softened ends of the strapping are pressed to form a seal.
  • a headstock sometimes in technical jargon also called “anvil” or “closure plate”
  • the Head plate itself as part of the locking unit be trained or hold parts of it.
  • the head plate however, between the package and the Strapping closure area is arranged it is necessary to temporarily remove the headstock from the To control the strapping level, i.e. to move it, to release the welded strapping.
  • the strapping device Package detection includes one Sensor that detects whether a package is in the passage of the strapping guide channel is introduced or not. In the absence of a package the working cycle of the machine cannot be triggered.
  • the packet detection works with automatic Operation quite reliable. With manual operation leaves there is a problem, especially with a fast package sequence, however, do not prevent rapidly operating operators a package is already out of the strapping channel pull out even before it straps correctly has been. The loop in progress then pulls around the locking unit. The result conditioned machine failure leads to an adverse Business interruption, the consequences of which are time-consuming, manual are to be fixed.
  • the present invention is concerned with Problem with strapping parts strapping blind loops produced reliably remove from the working area of the machine to be able to.
  • the facility that makes this possible should work automatically, and then also efficiently if there is any before the strapping blind loop is removed already a new package located in the strapping area.
  • the invention solves this problem with the features of claim 1 and is accordingly characterized in that in the strapping direction immediately in front of and behind the headstock Contact surfaces arranged for a strapping edge and that between them the entire strapping device, including Head plate and strapping clips, with reference to the strapping plane the strapping level is controllable.
  • the control of the locking unit functional parts from the strapping level is preferred automatically after the completion of each strapping process, so inevitably, like So far only the head plate to release the finished one Strapping was temporarily adjusted.
  • the head plate itself can therefore, e.g. with a load-bearing component of the closure assembly, in one piece trained or firmly attached to it.
  • the invention provides that the strapping device including headstock and strapping clips around one Strapping plane extending parallel, at a distance pivoting axis extending from the locking unit is arranged.
  • the strapping device can around the same axis as that Strapping means, but in opposite directions Direction, swiveling out of the strapping plane be arranged.
  • the swivel axis can be defined by a control shaft be the control cams for actuating the strapping clamps, the strapping guide and other organs of the closure unit.
  • a very compact assembly is achieved whose central control element from the control shaft and the associated control cam provided becomes.
  • the chute into which the strapping blind loop after stripping by modulation the functional parts of the locking unit fall into it, can at least one from the machine area leading sliding surface to be assigned so that the strapping blind loops in a simple manner outside the machine to the ground or in can fall into a collection container.
  • a strapping device 15 On the machine frame 11 one in its entirety with 10 designated strapping machine an essentially closed strapping guide channel 12, through and around a with package 13 indicated by dash-dotted lines around a strapping means 14, in particular a thermoplastic plastic strap, a strapping device 15 is supplied.
  • the task is to overlap ends of the strapping means 14 surrounding the package to connect with each other, in particular through Heat to weld together. For this are in particular resistance heating or friction welding processes in use.
  • the strap 14 e.g. also a Steel belt could be - will be outside the machine frame 11 on a rotatably mounted strapping roll (Drum) 55 in stock.
  • the motor drive of this pair of rollers 16 promotes the strapping 14 in one Strapping agent store 17 of such a length of tensioning means 14 stored tension-free, such as he at least for the following strapping and for the Distance of the strapping material to the sealing unit 15 is required.
  • the bullet and retraction roller pair 18 still a "high Tension tensioning device "by means of tension drum 19 subordinate to the subject of another patent application and is of no further importance here.
  • tension drum 19 still follow a special strapping clamp 20 and a guide channel 21, the the strapping means 14 to the strapping device 15 feeds.
  • FIG. 2 illustrates details of the strapping fastener assembly 15. Correspondingly this representation was the strapping means 14 of the shot roller pair 18 by the tension drum 19 and through the strap guide 21 fed to the strapping device 15, until the leading strap end 14 ' ran against a so-called bullet switch 23.
  • Strap end 14 On its way there has free leading Strap end 14 'has a separator slot 24 in pass through a first strap clamp 25 and then one for guiding the strapping Separator 26 within a so-called "Weld clamp” 27.
  • the two separator slots serve the strapping sections in their common overlap area (initially) from each other keep away. Then would - accordingly Fig. 1, but different from Fig. 2 - the strapping 14 the strap guide channel 12 have gone through and returned to the sealing unit his.
  • the strapping process now sets itself after a package 13 is placed in the channel 12 is.
  • the pair of rollers 18 receives the command to reserving drive and pulls the strapping 14 back, which corresponds to that of the pair of rollers 18 friction forces exerted around the package 13 begins to tighten. If the package 13 in a higher strapping tension as the "Low Tension” pair of rollers 18 the Strapping means 14 can exercise the "High Tension” tensioning drum 19 in the strapping tensioning process and tightens the strapping by turning with strong tension.
  • Fig. 2 shows the state that is in this situation if, on level E of the machine table, so the package support, accidentally no package 13 is present. You can see that that Strapping means 14 then in tight loop formation the so-called head plate 22, which is the first strap clamp 25 and the separator 26 as well the strapping sections present in this area from the package lying on level E. should keep away, wraps around. Further wraps around the strap loop the counterholder 42 for a second strap clamp 41.
  • the strapping means 14 runs correctly Package lying around on level E has about 3 in dash-dotted lines 14 ′′′.
  • the top plate can usually be removed 22 and the counter-holder 42 from the strapping plane steered out, e.g. perpendicular to the strapping plane postponed.
  • a package to be strapped does not is present, a so-called 'blind loop' is formed 32, as in Figs. 2 and 3 shown.
  • a strapping course thus arises one as he pulled through Line is shown.
  • the first strap clamp is also in the strapping plane 25, the welding clamp 27 with the knife 28 and the second strap clamp 41.
  • this is done by Swiveling around the longitudinal axis 43 of a common one Control shaft 44. In the area of the strapping level 31 only one contact surface 29 is retained and 30 against which the strap 14 with its indicative edge edge or where it is can support.
  • Fig. 5 shows how all functional parts of the Strapping device from the strapping plane 31 are pivoted out such that the Strapping blind loop 32 in free fall the unit area can fall out. To ensure, that they complete the area of the machine leaves, by swiveling the unit away 15 emerging chute 33 still sliding surfaces 34 provided. These are with the swivel Unit 15 firmly connected or in a suitable Fixed in place on the machine frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP97117463A 1996-12-14 1997-10-09 Vorrichtung zum Umreifen von Packstücken Expired - Lifetime EP0847923B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19652103A DE19652103A1 (de) 1996-12-14 1996-12-14 Vorrichtung zum Umreifen von Packstücken
DE19652103 1996-12-14

Publications (3)

Publication Number Publication Date
EP0847923A2 EP0847923A2 (de) 1998-06-17
EP0847923A3 EP0847923A3 (de) 1998-11-04
EP0847923B1 true EP0847923B1 (de) 2000-08-16

Family

ID=7814744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117463A Expired - Lifetime EP0847923B1 (de) 1996-12-14 1997-10-09 Vorrichtung zum Umreifen von Packstücken

Country Status (3)

Country Link
EP (1) EP0847923B1 (es)
DE (2) DE19652103A1 (es)
ES (1) ES2151215T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920725B4 (de) * 1999-05-05 2004-08-26 Strapex Holding Ag Spanneinheit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU79160A1 (de) * 1978-03-03 1978-06-28 Luedtke P Schweissvorrichtung fuer eine paketverschnuermaschine
JPS60123313A (ja) * 1983-12-05 1985-07-02 高見　雅保 梱包機
NL192100C (nl) * 1987-05-27 1997-02-04 Takami Masaho Machine voor het met een band omsnoeren van een produkt.
DE4138800A1 (de) * 1991-11-26 1993-05-27 Signode Bernpak Gmbh Verfahren und vorrichtung zur vermeidung von umreifungsmittelbedingten betriebsunterbrechungen an maschinen zum umreifen von packstuecken
US5718167A (en) * 1995-12-15 1998-02-17 Illinois Tool Works Inc. Obstruction removal apparatus for strapping machines

Also Published As

Publication number Publication date
DE19652103A1 (de) 1998-06-18
EP0847923A2 (de) 1998-06-17
DE59702193D1 (de) 2000-09-21
EP0847923A3 (de) 1998-11-04
ES2151215T3 (es) 2000-12-16

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