US20020112456A1 - Apparatus for strapping items with tension bands - Google Patents

Apparatus for strapping items with tension bands Download PDF

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Publication number
US20020112456A1
US20020112456A1 US10/059,545 US5954502A US2002112456A1 US 20020112456 A1 US20020112456 A1 US 20020112456A1 US 5954502 A US5954502 A US 5954502A US 2002112456 A1 US2002112456 A1 US 2002112456A1
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US
United States
Prior art keywords
tensioning
band
carry
strapping
item
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.)
Abandoned
Application number
US10/059,545
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English (en)
Inventor
Klaus Bartelmuss
Heinz Bartelmuss
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of US20020112456A1 publication Critical patent/US20020112456A1/en
Abandoned 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
    • B65B13/10—Carriers travelling completely around the articles while holding the free end of material

Definitions

  • the present invention relates to an apparatus for strapping items by means of tensioning bands, in particular for strapping pulp bales with paper bands.
  • the apparatus is equipped with configurations for conveying the tensioning bands around the items, and for tensioning the bands and for connecting the tensioned bands enclosing the items.
  • Such an apparatus which is known, for example from U.S. Pat. No. 5,560,180, has a guide channel which fully encloses the respective item and through which a tensioning band is pushed. As a result, the band is thus guided around the item, whereupon it is then tensioned.
  • the guide channel is designed, on the side which is directed toward the item, with swing-action elements which open as soon as the band is tensioned. The tensioning band thus passes into abutment against the item and can then be joined together by gluing the overlapping segment.
  • the prior art apparatus is disadvantageous in that the tensioning band—due to the fact that it must be pushed through the guide channel—has to have a high level of rigidity.
  • the guide channel constitutes a component which is of complex design and in which, in addition, functioning may be disrupted since the band can jam in the channel or become stuck on the swing-action elements as the latter are opened.
  • the installation comprises:
  • a conveying assembly for conveying a tensioning band around an item to be strapped, the conveying assembly having a drawing configuration and a carry-along element for a tensioning band mounted thereto, and having a drive connected to the drawing configuration for moving the carry-along element around the item;
  • a tensioning and connecting device for tensioning the band and for connecting the tensioned band enclosing the item.
  • the conveying assembly is formed by a drawing configuration, e.g. a belt, which encloses the respective item, is designed with a carry-along element and is assigned a drive system by means of which the carry-along element can be moved around the item.
  • the tensioning band Since the tensioning band is drawn around the item, it may have a lower level of rigidity than if it is pushed through a guide channel. In addition, disruptions to functioning are, to the greatest extent, avoided. Furthermore, it is possible for the tensioning band to be guided around the item with a small spacing therefrom, as a result of which the operation of bracing it requires lower outlay than in the case in the known apparatus. This additionally rules out twisting of the band during the tensioning operation.
  • the drawing configuration is advantageously guided over a plurality of, in particular four, deflecting rollers. At least one of the deflecting rollers is assigned a drive.
  • the drawing configuration is designed, in particular, as a toothed belt.
  • the carry-along element has two clamping jaws which-can-be-adjusted in relation to one another, are located laterally outside the belt, in the movement direction of the latter, and between which the tensioning band can be clamped. It is possible here for the two clamping jaws to be subjected to the action of a spring, by means of which they are kept in their closed position, and it is possible for the carry-along element to be assigned an actuating arrangement by means of which the clamping jaws can be adjusted into their open position, as a result of which a band can be introduced between them.
  • the carry-along element is preferably designed with two clamping jaws, a first clamping jaw is fastened on the belt or the like and the second clamping jaw can be adjusted in relation to the first clamping jaw.
  • the first clamping jaw is provided with a through-passage through which a bolt or the like projecting from the second clamping jaw passes, the actuating spring enclosing the bolt or the like, and this also being assigned the actuating arrangement.
  • the carry-along element is preferably assigned a channel through which the tensioning band can be pushed toward the carry-along element, there being provided for the tensioning band a clamping device by means of which the tensioning band can be displaced in relation to the conveying channel.
  • the installation also contains a tensioning assembly for the band, an adhesive-bonding device for the band, a pressing device for the band and a cutting device. It is possible here for the clamping device and the adhesive-bonding device to be arranged on a carriage which can be displaced counter to the advancement direction of the tensioning band for strapping the item, and for the first clamping device to be assigned a second, fixed clamping device.
  • FIG. 1 is an axonometric illustration of an installation for strapping items by means of tensioning bands with an apparatus for applying and tensioning the bands;
  • FIG. 2 is an elevational end view of the apparatus according to the invention.
  • FIG. 2 a is a side elevational view of the apparatus for applying and tensioning the bands
  • FIGS. 3 to 6 are end views of the apparatus according to FIGS. 2 and 2 a in four different operating positions;
  • FIGS. 7 and 7 a are detail view of the apparatus in a side view, partly in section, and in elevation;
  • FIGS. 8 to 10 are elevational views of a constituent part of the apparatus in three successive operating positions
  • FIGS. 11, 12, and 13 are elevational views of further constituent parts of the apparatus, in elevation and in different operating positions.
  • FIGS. 11 a and 13 a are side views of the further constituent parts.
  • FIG. 1 the installation illustrated in FIG. 1 for strapping items 10 by means of tensioning bands 20 has an apparatus 1 for applying the tensioning bands 20 around items 10 and a conveying apparatus, e.g. a roller conveyor 1 a , by means of which the items 10 are fed to the apparatus 1 .
  • a conveying apparatus e.g. a roller conveyor 1 a
  • the apparatus 1 has a rectangular carrying framework 11 , at the four corners of which there are mounted deflecting rollers 12 , 12 a , a drawing configuration in the form of a toothed belt 2 being positioned around the deflecting rollers.
  • the deflecting roller 12 a is assigned a drive 13 .
  • a carry-along element or sled 3 for a tensioning band is arranged on the belt 2 .
  • the carry-along element 3 is actuated by a control device 4 .
  • the drive 13 rotates the deflecting roller 12 a , as a result of which the belt 2 is moved and the carry-along element 3 is guided, in the direction of the arrow A, around the item 10 that is to be strapped.
  • the deflecting and drive roller 12 a is coupled for carry-along action with the drive 13 via a belt 13 a .
  • the carry-along element 3 is designed with two clamping jaws 31 and 32 that project laterally from the conveying belt 2 and are assigned the control device 4 . As soon as the two clamping jaws 31 and 32 are located in their open position, the front end of a tensioning band can be introduced between them, the tensioning band then being guided around the item 10 , as is explained hereinbelow with reference to FIGS. 3 to 6 .
  • the apparatus 1 is assigned a band store 20 a from which a tensioning band 20 is drawn off by a conveying and tensioning assembly 5 and moved in the direction of the carry-along element 3 . Also provided are an adhesive-bonding device 6 , a pressing device 7 , and a cutting devicet 8 , the design and functioning of which are explained hereinbelow.
  • the tensioning band 20 is guided around the item 10 by means of the carry-along element 3 until it encloses the item to the full extent and butts loosely against the same. It is then tensioned around the item 10 and joined together by adhesive bonding. Thereafter, the item 10 is transported further.
  • the carry-along element 3 is designed with a carrying plate 30 , which is fastened on the conveying belt 2 by means of a clamping plate 21 and bolts 22 .
  • the first clamping jaw 31 is fastened rigidly on the carrying plate 30 .
  • the second clamping jaw 32 is fastened on a push rod 33 , which passes through a bore 34 of the carrying plate 30 and is subjected to the action of a compression spring 35 .
  • the push rod 33 is assigned a push rod 41 of the opening arrangement 4 .
  • the second clamping jaw 32 is lifted off from the first clamping jaw 31 counter to the action of the compression spring 35 , as a result of which the front end of the tensioning band 20 can be pushed in between the two clamping jaws 31 and 32 .
  • the tensioning band 20 is retained between the two clamping jaws 31 and 32 , as a result of which it can be guided around the item 10 by the carry-along element 3 .
  • FIGS. 8 to 13 will be used hereinbelow to explain the construction and the functioning of the conveying and tensioning assembly 5 for the tensioning band 20 , of the adhesive-bonding device 6 , of the pressing device 7 , and of the cutting device 8 .
  • the conveying and tensioning assembly 5 has a conveying channel 51 , 51 a for the tensioning band 20 . It is possible for the part 51 a to be pivoted by means of an actuating cylinder 52 .
  • the conveying and tensioning assembly 5 also has a further actuating cylinder 53 and a first clamping device 54 , which can be displaced in relation to the conveying channel 51 by means of the actuating cylinder 53 .
  • the clamping device 54 is set in operation and displaced in the direction of the arrow B by means of the actuating cylinder 53 , as a result of which the free end of the tensioning band 20 is pushed in between the clamping jaws 31 and 32 through the conveying channel 51 and through the part 51 a .
  • the carry-along element 3 is then moved around the item 10 to the full extent by means of the conveying belt 2 .
  • the movable part of the conveying channel 51 a is pivoted away from the carry-along element 3 in the direction of the arrow C by means of the actuating cylinder 52 .
  • the front end of the tensioning band 20 is secured by means of the carry-along element 3 , the first clamping device 54 is closed and the actuating cylinder 53 is activated such that the tensioning band 20 is drawn back in the direction of the arrow D by means of the first clamping device 54 .
  • the tensioning band 20 is then tensioned around the item 10 .
  • the conveying and tensioning assembly 5 as well as the adhesive-bonding device 6 are borne by a carriage 50 , which can likewise be displaced in the direction of the arrow D by means of a drive 50 a .
  • the adhesive-bonding device 6 which is designed with an adhesive-bonding nozzle 61 , can be pushed in beneath the tensioned band 20 , guided around the item 10 , from one side, in the direction of the arrow E, by means of an actuating cylinder 62 .
  • the conveying channel 51 is formed by two rails which contain grooves and between which the first clamping device 54 and a second clamping device 55 for the band 20 come to act on the latter.
  • the first clamping device 54 is opened, the second clamping device 55 is activated and the carriage 50 is displaced in the direction of the arrow D.
  • adhesive is applied, by the adhesive-bonding nozzle 61 , to that end of the tensioning band 20 which is guided around the item 10 .
  • a displacement of the carriage 50 in the direction of the arrow D causes the ends of the tensioning band 20 to overlap, with the adhesive between them.
  • a pressing device 7 and a cutting device 8 are also provided.
  • the pressing device 7 By means of the pressing device 7 , those sections of the tensioning band 20 which are located one upon the other, i.e., in the overlapping segment, are pressed together.
  • the pressing device 7 has a framework 70 , on which a pressing cylinder 71 with a piston 72 is mounted in a pivotable manner.
  • a pressing plate 73 is articulated on the piston 72 .
  • the pressing plate 73 is assigned a mating plate 74 , which is located between the item 10 and the two sections 20 a , 20 b of the tensioning band 20 .
  • the pressing plate 73 is adjusted in the direction of the mating plate 74 , as a result of which the two sections 20 a , 20 b of the tensioning band 20 , between which adhesive is located, are pressed.
  • the cutting device 8 which is arranged at the end of the conveying channel 51 a , is set in operation, as a result of which the tensioning band 20 is cut off. Thereafter, the item 10 is moved laterally, as a result of which the tensioning band 20 is released from the pressing plate 73 and the mating plate 74 , and the item is transported away by the roller conveyor 1 a . It is then possible to strap a further item 10 fed by means of the roller conveyor 1 a.
  • Such an apparatus is used for strapping any desired item.
  • a preferred application is the operation of strapping pulp bales.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
US10/059,545 2001-02-22 2002-01-29 Apparatus for strapping items with tension bands Abandoned US20020112456A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA279/2001 2001-02-22
AT2792001 2001-02-22

Publications (1)

Publication Number Publication Date
US20020112456A1 true US20020112456A1 (en) 2002-08-22

Family

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US10/059,545 Abandoned US20020112456A1 (en) 2001-02-22 2002-01-29 Apparatus for strapping items with tension bands

Country Status (4)

Country Link
US (1) US20020112456A1 (pt)
EP (1) EP1234766A1 (pt)
BR (1) BR0200045A (pt)
CA (1) CA2368527A1 (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040131825A1 (en) * 2003-01-08 2004-07-08 Sdf Group, Llc Various banding apparatus and methods for using such
US20070068641A1 (en) * 2003-01-10 2007-03-29 Sdf Group, Llc Strap and Methods for Making and Using Such
CN108217219A (zh) * 2017-12-27 2018-06-29 天津科技大学 一种化纤生产用喂粕生产线的喂粕方法
CN110342013A (zh) * 2019-07-02 2019-10-18 深圳市圆梦精密技术研究院 捆扎装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297538B (de) * 1965-06-10 1969-06-12 Berning & Soehne Maschine zum Umschnueren von Packstuecken
CH659444A5 (de) * 1983-06-21 1987-01-30 Strapex Ag Maschine zum umschnüren von packstücken
US5560180A (en) 1994-08-05 1996-10-01 Sandar Industries, Inc. Method and apparatus for tying bundles with a paper pulp strap

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040131825A1 (en) * 2003-01-08 2004-07-08 Sdf Group, Llc Various banding apparatus and methods for using such
US7118648B2 (en) * 2003-01-08 2006-10-10 Sdf Group, Llc Paper Strap
US20070068641A1 (en) * 2003-01-10 2007-03-29 Sdf Group, Llc Strap and Methods for Making and Using Such
CN108217219A (zh) * 2017-12-27 2018-06-29 天津科技大学 一种化纤生产用喂粕生产线的喂粕方法
CN110342013A (zh) * 2019-07-02 2019-10-18 深圳市圆梦精密技术研究院 捆扎装置

Also Published As

Publication number Publication date
EP1234766A1 (de) 2002-08-28
CA2368527A1 (en) 2002-08-22
BR0200045A (pt) 2002-10-22

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Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION