EP0456604B1 - Bilden, Aufrechterhalten und Spannen einer Banderolierschlaufe - Google Patents

Bilden, Aufrechterhalten und Spannen einer Banderolierschlaufe Download PDF

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Publication number
EP0456604B1
EP0456604B1 EP91810323A EP91810323A EP0456604B1 EP 0456604 B1 EP0456604 B1 EP 0456604B1 EP 91810323 A EP91810323 A EP 91810323A EP 91810323 A EP91810323 A EP 91810323A EP 0456604 B1 EP0456604 B1 EP 0456604B1
Authority
EP
European Patent Office
Prior art keywords
sliding surface
band
suction
loop
tying machine
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
EP91810323A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0456604A1 (de
Inventor
Hans Güttinger
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.)
ATS Automatic Taping Systems AG
Original Assignee
ATS Automatic Taping Systems AG
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 ATS Automatic Taping Systems AG filed Critical ATS Automatic Taping Systems AG
Priority to AT91810323T priority Critical patent/ATE86198T1/de
Publication of EP0456604A1 publication Critical patent/EP0456604A1/de
Application granted granted Critical
Publication of EP0456604B1 publication Critical patent/EP0456604B1/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
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B65B13/06—Stationary ducts or channels

Definitions

  • the present patent application relates to a method and an apparatus for forming, maintaining and tensioning a loop around the packaged goods of a banding machine, which comprises a band guide which limits the expansion of the loop and has a sliding surface, according to the preambles of patent claims 1 and 5.
  • a banding machine processes square, rectangular, round or trapezoidal stacks by connecting them with at least one band - simultaneously or in succession.
  • the packaged goods can be hard or very soft.
  • printed matter, trimmings, envelopes, labels, banknotes, checks, business cards, books, brochures, newspapers, booklets, signs, but also pharmaceutical products, textile products, stockings, vegetable products, cheese boxes, meat packs, shoe soles or the like can be bound in batches.
  • a banding machine works semi or fully automatically.
  • a winding tape made of paper, plastic-coated paper or plastic forms a loop into which the stack to be bound, the packaged goods, is introduced.
  • the wrapping tape clamped at its free end is pulled back until it is snug against the packaged goods.
  • Soft stacks can be compressed more or less by hand. Then the clamped end is glued to the tightened tape or welded and cut off.
  • EP-A2 0057471 describes a method and a device for forming and tensioning a strapping loop around a packaged product.
  • the loop is formed by pushing the band along a circular guide surface up to a stop and then pulling out the small loop the level of the guide is turned out, creating a free-standing arch.
  • the packaged goods are introduced and banded into the expanded large sheet.
  • Neither the method nor the device for the strapping can be used for banding machines, which work with much thinner and smoother binding materials.
  • US-A-3831512 the features of which are taken into account in the preambles of claims 1 and 5, describes a binding machine with a movable and a fixed part, which has a tape guide surface with a discontinuity. Means are to be created which keep the winding wall away from the guide surface in the area of this discontinuity.
  • the packaged goods are first inserted, then the winding tape is guided around the packaged goods. In the critical area, the wrapping tape is deflected away from the guide surface against retaining flanges by compressed air.
  • the machine has to be adapted for differently sized packaged goods. To keep the loop in place, it is supported.
  • the inventor has therefore set himself the task of creating a method and a device of the type mentioned at the outset, which allow automatic formation of loops of any required width, even with thin, inexpensive winding tapes, without having to use mechanical means for holding them up.
  • the loop formation should be done economically with a simple device.
  • the banding takes place in the usual manner, with a work cycle of approximately 20 to 30 tapes per minute.
  • Multiple banding can be carried out simultaneously by inserting the stack of packaged goods into a band guide or by arranging two or more band guides of a banding machine.
  • a vacuum is generated by the pneumatic means in the area of at least part of the sliding surface.
  • a vacuum that is only a few millibars below normal pressure can suffice to form and hold up a winding tape loop made of thin material.
  • a small loop is formed with means known per se, which is widened by quickly pushing the winding tape. Nice the loop is sucked in near the gliding surface and held up until it retracts after reaching the end position. Too strong a vacuum would interfere with or even prevent the winding tape from sliding during the widening of the loop and / or would lead to static charges for certain materials.
  • an air flow flowing obliquely upwards is directed from at least part of the sliding surface from the outer lower edges of an essentially U-shaped band guide which is open at the bottom and is diverted from there.
  • a slight excess pressure is sufficient to carry a winding tape pushed along the sliding surface of the tape guide.
  • the injection effect generated is sufficient to suck in the loop widened in the vicinity of the sliding surface.
  • the pneumatic means for generating a negative or positive pressure are preferably switched on and off with the banding machine. Since only low negative or positive pressures are generated, the energy used during idle time is negligible, especially since the machine is shut down anyway in the event of longer interruptions.
  • the banding machine can be equipped with a switch that can be operated manually or by foot pressure, which allows the pneumatic means to be switched on and off separately.
  • the actuation of the pneumatic means can also be sensor-controlled, especially if the banding machine is only used periodically to bind individual stacks. This sensor position can be set, for example, with the manual on and off switch.
  • the length of the belt guide determines the width of the packaged goods that can be bound with the banding machine. This can be extended to about 50 cm and more without adjusting the belt quality and thickness due to the machine.
  • the band guide is designed so that it can be appropriately dimensioned on all commercially available banding machines, expediently with just a few simple steps. Mounting kits that allow the horns of a banding machine to be plugged in have proven to be particularly advantageous.
  • the tape guide can also be adjustable in length according to known principles of the designer, for example by being telescopically extendable.
  • One pneumatic means is used to generate a negative pressure, the other to generate an excess pressure.
  • both negative pressure and positive pressure are only slight, they preferably differ only slightly from normal pressure, for example in the range from 5 to 100 mb (millibars).
  • the latter In order to generate a negative pressure between the belt guide with the sliding surface and the side guides on the one hand and the winding belt on the other hand, the latter has at least one opening above which a suction fan or a suction tube or a suction hose of a suction fan is arranged is. Because it only has to have a low performance, the fan or the fans are designed to be relatively small and inefficient, which is advantageous in every respect. The suction generated only has to hold up the winding tape.
  • the winding tape When forming loops by widening, the winding tape must also be able to slide along the sliding surface, even if only slightly, without this being opposed by any substantial resistance. Therefore, the wrapping tape may only adhere a little.
  • a fan with a corresponding opening in the longitudinal direction of the belt guide can be moved to different positions.
  • a suction hose with a corresponding opening can be moved to different positions.
  • an expanding loop can be optimally detected. If several openings assigned to a suction fan or suction hose are arranged in a sliding surface, these can of course also be moved in the longitudinal direction of the belt guide.
  • support webs are arranged which run approximately in the longitudinal direction of the tape guide.
  • the sliding surface is preferably smooth and consists at least on the surface of a material which causes no or only a slight static charge when the winding tape is displaced.
  • the sliding surface can be at least partially perforated, perforated or slotted and between the sliding surface and the band guide have a chamber with a corresponding negative pressure.
  • the sliding surface can at least partially consist of a fabric, knitted fabric, fleece or fine-mesh net, but care must be taken to ensure that the winding tape can also slide.
  • ribs running in the longitudinal direction can be arranged, which in turn form a new sliding surface formed by the ribs at a distance from the rear wall of the band guide.
  • This variant is particularly advantageous for strip materials which, in combination with the sliding surface, tend to become static.
  • the suction effect can be better distributed and developed earlier. In this case, however, the air flow is not prevented by the belt lying on it.
  • the suction means can be designed in such a way that a negative pressure is only generated in a part of the interstices between the ribs when the winding tape lies on it.
  • negative pressure can only be generated in / in the middle and / or the outer spaces.
  • a slight overpressure can be generated instead of a negative pressure, in that in a downwardly open, U-shaped band guide with a sliding surface, at the lower edge of the parallel legs, air outlet nozzles, holes and / or slits emerging in the direction of the sliding surface Air jet are arranged.
  • the escaping air holds up the winding tape forming a loop. It is pressed lightly against the sliding surface or can be at least partially suspended.
  • Some of the nozzles, holes or slots can be directed forward in the direction of advance of the winding tape and cause a tape advance, which can be particularly advantageous with thin, soft tape material.
  • winding tapes can be made thinner and softer than previously customary and can nevertheless be used for wide loops.
  • a band guide 12 with an internal sliding surface 16 is arranged by means of flanges 14.
  • a small loop of the winding tape 18 is formed with known means, which is pushed open into a large loop with a feed mechanism which is also known per se and is therefore not shown.
  • the dashed line 18 ' shows the widening loop in an intermediate stage, of course, then the packaged goods are not yet inserted.
  • the winding tape 18 shown in solid lines shows the final stage of the loop formation.
  • a plurality of suction fans 28 can be arranged one behind the other.
  • the sliding surface 16 has lateral guides (not shown) in the form of a U which is open at the bottom in cross section (FIG. 2), in order to prevent the winding tape 18 from escaping.
  • Fig. 2 shows two nested, in the longitudinal direction L of the tape guide 12 mutually displaceable profiles.
  • the outer profile 32 is - not visible - attached to two side horns of the banding machine.
  • the outer profile 32 is essentially U-shaped with respect to the cross section, with the opening directed downward, it essentially corresponds to a sliding surface with side guides according to FIG. 1.
  • An inner profile 34 which is displaceable in the longitudinal direction L in the outer profile 32 has ribs 40 running parallel to the legs 36, 38 of the outer profile 32. These ribs 40 have support surfaces 39 which run at right angles on the end face and form the sliding surface 16. The legs 36, 38 designed as lateral guides project significantly beyond the ribs 40.
  • Fig. 3 the sliding surface 16 of a very wide band guide 12 (Fig. 1) is shown.
  • the low vacuum exerting a suction on the winding tape 18 is in one Fan not shown generated in the direction of arrow 42.
  • Suction hoses 44 adjoin a total of three openings 30 in the sliding surface 16 and unite in the direction of the fan to form a common suction hose 46.
  • the suction hoses 44, 46 are designed so that the sliding surface 16 can be moved in its longitudinal direction (L).
  • FIG. 4 shows an opening 30 according to FIGS. 1 and 3 from below.
  • Support webs 48 are arranged in the longitudinal direction L of the band guide. These prevent a thin, relatively flexible winding tape 18 (FIGS. 1, 3) from being sucked into the relatively large opening 30 despite the low negative pressure.
  • At least part of the sliding surface 16 is designed as a perforated plate with numerous small bores 50 with a diameter of a few millimeters, in FIG. 6 as a slotted plate with longitudinal slots 52 with a length of a few centimeters and a width of a few millimeters.
  • At least part of the sliding surface 16 is designed as a fabric 54.
  • the band guide 12 drawn in cross section in FIG. 8 is essentially U-shaped, with the opening directed downward.
  • the parallel legs 36, 38 each carry a nozzle strip 56 with obliquely upward air outlet holes at the lower end. The air flow can hold the winding tape 18 in suspension or press it lightly against the sliding surface 16 of the tape guide 12.
  • Air outlet openings are formed in the sliding surface 16. Underneath the tape guide an injector action which sucks a light winding tape (18) when the loop is pushed open into the area of action of the nozzle strips 56.
  • the winding tape 18 can be pulled out of the tape guide 12 and stretched around the packaged goods without any problems, as is the case with the vacuum variants, without any mechanical parts having to be moved synchronously.
  • Fig. 9 shows a partial longitudinal section through a tape guide 12 with the front edge 58 of the winding tape 18, which is advanced in the direction of arrow 59.
  • the nozzle bar 56 has individual nozzles instead of bores, the one nozzle 60 running perpendicular to the sliding surface 16, the other being designed as feed nozzles 62. In the case of thin, flexible belts 18 in particular, it may be advantageous to provide a feed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Tires In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
EP91810323A 1990-05-10 1991-04-29 Bilden, Aufrechterhalten und Spannen einer Banderolierschlaufe Expired - Lifetime EP0456604B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91810323T ATE86198T1 (de) 1990-05-10 1991-04-29 Bilden, aufrechterhalten und spannen einer banderolierschlaufe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1594/90A CH681074A5 (enrdf_load_stackoverflow) 1990-05-10 1990-05-10
CH1594/90 1990-05-10

Publications (2)

Publication Number Publication Date
EP0456604A1 EP0456604A1 (de) 1991-11-13
EP0456604B1 true EP0456604B1 (de) 1993-03-03

Family

ID=4214069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810323A Expired - Lifetime EP0456604B1 (de) 1990-05-10 1991-04-29 Bilden, Aufrechterhalten und Spannen einer Banderolierschlaufe

Country Status (9)

Country Link
US (1) US5168686A (enrdf_load_stackoverflow)
EP (1) EP0456604B1 (enrdf_load_stackoverflow)
JP (1) JP3083342B2 (enrdf_load_stackoverflow)
AT (1) ATE86198T1 (enrdf_load_stackoverflow)
CA (1) CA2042193C (enrdf_load_stackoverflow)
CH (1) CH681074A5 (enrdf_load_stackoverflow)
DE (1) DE59100049D1 (enrdf_load_stackoverflow)
ES (1) ES2040148T3 (enrdf_load_stackoverflow)
TW (1) TW208686B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9400112A (nl) * 1994-01-25 1995-09-01 Vekamo B V Inrichting voor het rond ten minste één produkt aanbrengen van een band flexibel materiaal.
DE19503112A1 (de) * 1995-02-01 1996-08-08 Schwede Horst Vorrichtung zum Umreifen von Packgut mit einem Umreifungsband
JP2003170906A (ja) * 2001-09-28 2003-06-17 Strapack Corp 梱包方法および梱包機
CA2551984C (en) 2004-01-21 2012-03-20 Ats Automatic Taping Systems Ag Axial bearing for a banding roll
EP1571086A1 (en) * 2004-03-05 2005-09-07 Kba-Giori S.A. Banding system for piled products and process
US7290483B2 (en) * 2005-06-09 2007-11-06 Illinois Tool Works, Inc. Strap directing device
CH698112B1 (de) * 2005-09-05 2009-05-29 Ats Tanner Banding Systems Ag Banderolieren eines Packgutstapels.
US20090169338A1 (en) * 2007-12-28 2009-07-02 Taiyo Seiki Co., Ltd. Tape binding device
JP5591062B2 (ja) * 2010-10-28 2014-09-17 大洋精機株式会社 テープによる結束機
EP2636604A1 (de) 2012-03-09 2013-09-11 Pfankuch Maschinen GmbH Verfahren zum Herstellen einer Banderole um ein Packgut und Banderoliermaschine hierzu
CN111056071B (zh) * 2019-12-16 2025-06-06 裕克施乐塑料制品（太仓）有限公司 一种用于注塑鞋底部件的自动分拣打包设备及其工作方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913270A (en) * 1954-12-13 1959-11-17 Sr Gustav Sachsenroder Knot-tying apparatus
US3020827A (en) * 1955-03-21 1962-02-13 Erapa Ets Means for magnetically maintaining metal tape in a loop in banding apparatus
GB1094351A (en) * 1964-06-04 1967-12-13 Schmermund Alfred Improvements in or relating to wrapping machines
US3380223A (en) * 1965-10-23 1968-04-30 Lambs Grays Harbor Co Inc Counter roll finishing system
US3831512A (en) * 1972-12-26 1974-08-27 Interlake Inc Strap feed track with fluid-actuated strap end positioning means
US4388794A (en) * 1975-07-11 1983-06-21 Focke & Pfuhl Apparatus for cutting and transporting blanks from a web of flexible material

Also Published As

Publication number Publication date
JPH05254507A (ja) 1993-10-05
ES2040148T3 (es) 1993-10-01
JP3083342B2 (ja) 2000-09-04
TW208686B (enrdf_load_stackoverflow) 1993-07-01
CA2042193C (en) 1994-04-12
CA2042193A1 (en) 1991-11-11
DE59100049D1 (de) 1993-04-08
ATE86198T1 (de) 1993-03-15
US5168686A (en) 1992-12-08
CH681074A5 (enrdf_load_stackoverflow) 1993-01-15
EP0456604A1 (de) 1991-11-13

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