EP0429126A1 - Vorrichtung zum Bündeln - Google Patents

Vorrichtung zum Bündeln Download PDF

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Publication number
EP0429126A1
EP0429126A1 EP90202995A EP90202995A EP0429126A1 EP 0429126 A1 EP0429126 A1 EP 0429126A1 EP 90202995 A EP90202995 A EP 90202995A EP 90202995 A EP90202995 A EP 90202995A EP 0429126 A1 EP0429126 A1 EP 0429126A1
Authority
EP
European Patent Office
Prior art keywords
loop
arms
bundling
articles
zone
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.)
Granted
Application number
EP90202995A
Other languages
English (en)
French (fr)
Other versions
EP0429126B1 (de
Inventor
Hein Gerkema
Joannes Wilhelmus Jacobus Ing. Knapen
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.)
Tata Steel Ijmuiden BV
Original Assignee
Hoogovens Groep BV
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 Hoogovens Groep BV filed Critical Hoogovens Groep BV
Publication of EP0429126A1 publication Critical patent/EP0429126A1/de
Application granted granted Critical
Publication of EP0429126B1 publication Critical patent/EP0429126B1/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
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/10—Bundling rods, sticks, or like elongated objects
    • 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
    • B65B13/20—Means for compressing or compacting bundles prior to bundling

Definitions

  • the invention relates to a bundling apparatus for clamping a plurality of elongate rod-shaped articles, for example steel bars, into a bundle.
  • the binding wire fulfils the function of clamping means which has to be permanently capable of matching the shape of the bundle being formed.
  • the wire must be flexible. After the bundle is formed, a knot is made in the binding wire. The knot should not loosen during further handling of the bundle. For this purpose, the wire must be stiff and permanently deformable. The two conflicting demands on the binding wire require a compromise so that in practice bundles are irregularly formed or not held tightly.
  • DE-A-1511826 describes a bundling apparatus in which a U-shaped swinging arm pushes a chain, which is initially in a loop below steel bars collected in a trough. The pushing end of the arm pushes the chain over the bars, thereby picking up the bars into a bundle.
  • the aim is to reduce friction, to achieve good roundness of the bundle.
  • GB-A-1574349 shows a bundling apparatus in which two C-shaped arms swing to pull respective chains across the top of a bundle of bars, to tighten the bundle.
  • GB-A-1358472 shows a device with two swinging arms which push two sides of a loop of a sling towards each other to form a bundle. The bundle is then tightened by shortening the loop by pulling the ends of the loop.
  • None of the prior art proposals were suited for collecting rods from a wide span into a bundle, as may be required for example when steel bars arrive at the bundling apparatus on a roller table. lt is desired to avoid the step of first collecting the bars in a trough. A subsidiary problem is to avoid fouling of the moving parts of the bundling apparatus by dirt and scale from the bars.
  • a bundling apparatus for clamping a plurality of elongate rod-shaped articles into a bundle having
  • the elongate flexible element e.g. a chian
  • the elongate flexible element is fixed at both ends to a frame of the apparatus.
  • the invention is based firstly on theconcept notion that the gripping of elongate articles into a bundle and the binding together of a bundle is done preferably by two separate apparatuses.
  • the system of frame, two swinging arm and flexible element forms a closed circle which may be changed in shape, and which essentially describes a flat plane, the gripping plane.
  • Elongate articles such as concrete-reinforcing bars may be fed through the closed circle transversely to the gripping plane.
  • the arms By rotating the arms suitably, the zone encompassed by the closed circle is reduced and the articles gripped into a bundle.
  • An advantage of the bundling apparatus in accordance with the invention is that it may be composed of a small number of individually simple elements.
  • the bundling apparatus may comprise only a small number of moving parts and so be suitable for use in industrial surroundings. Moreover, movement of the moving parts is simple, so that the mechanization of the bundling apparatus is equally simple.
  • the bundling apparatus is suitable for operating with a binding machine which turns binding wire around the gripped bundle and forms a knot. Because the bundling apparatus ensures the gripping of the elongate articles into a bundle, the binding machine is relieved both mechanically and in terms of time.
  • the crossing of the two swinging arms over the bundling zone enables the apparatus to pick up the articles from a wide zone.
  • the invention is particularly suitable for collecting and bundling articles lying on a flat surface, such as a conveyor table.
  • the swinging axes or common axis of the swinging arms are above the bundling zone, e.g. directly above a table over which the articles to be bundled collect. This avoids the risk of contamination of the rotating mechanism by dirt and scale from the bundled articles, and gives good accessibility for maintenance.
  • the flexible element can assume a wide, free catenary shape for collection of articles over a wide zone. The conveyor of the articles to be bundled is kept largely separate from the bundling apparatus.
  • the frame, first and second swinging arms, and gripping element describe a closed circle in a gripping plane.
  • the elongate articles may be fed into the bundling apparatus transversely to this gripping plane.
  • the feed-­through size of the closed circle, i.e. the bundling zone, where the elongate articles are fed through is inadequate.
  • At least one of the swinging arms is provided with a guide for pushing the flexible gripping element, from inside the loop, at least when the swinging arms are at their open position.
  • the swinging arms at least between their pivot axes and the pushing members which contact the elongate flexible element, are straight, which simplifies their production.
  • Fig. 1 shows a bundling apparatus 1 which comprises a frame or portal or grate shape2, a first swinging tensioning arm 3 and a second swingable tensioning arm 4.
  • One end of each of the tensioning arms 3 and 4 is connected to a support 6 of the frame 2 so that it is free to rotate around an axis 5which is common for the two arms 3,4.
  • a piston-cylinder unit 7,8 Between the frame 2 and each tensioning arm 3,4 there is a piston-cylinder unit 7,8. Both piston-cylinder units 7,8 are double-action.
  • the operating elements of suitable piston-cylinder units are generally known and are not further illustrated.
  • the outer end of the tensioning arm 3 is provided with a guide wheel 9; the outer end of the tensioning arm 4 is provided with a guide wheel 10.
  • Branch arms 14,15 carry further guide wheels below the guide wheels 9,10.
  • An elongate flexible gripping element, in the form of a link-chain 11, is attached at its two ends to supports 12 and 13 respectively of frame 6.
  • the link-chain 11 passes over the guide wheels 9,10 and 14,15.
  • the link chain 11 has the tendency to hang freely in a loop according to a catenary shape.
  • the guide wheels 9.10 push the chain 11 inwardly from outside the loop.
  • the two guide arms 14 and 15 press the link-chain 11 under the guide wheels 9 and 10 outwards, so that the zone described by elements 6, 3, 14, 11, 15 and 4 at the position of a roller 16 supporting the articles to be bundled is enlarged.
  • Each of the guide arms 14 and 15 comprises a rod-shaped element that is provided on the side facing away from the tensioning arm by a slider over which the link-chain may slide.
  • the roller 16 is a roller of a feed conveyor for part bundles 20, 21, 22 and 23.
  • Each of the part bundles 20, 21, 22 and 23 is in itself a bundle of, for example, reinforced concrete rods.
  • the four part bundles must then be bundled together into a main bundle 25 which is shown in Fig. 2.
  • the pistons of the two piston-cylinder units 7,8 are extended out of the cylinders, so that the two tensioning arms 3 and 4 rotate around axis 5, crossing each other as seen in Figs. 1 and 2.
  • both wheels 9.10 move substantially the whole width of the conveyor roller 16.
  • the two guide wheels 9 and 10 move the link-chain 11 and tighten the loop of the chain 11 around the part bundles 20, 21, 22 and 23.
  • the part bundles are bundled together into a newly formed main bundle 25.
  • a desired gripping force on bundle 25 is achieved by extending the pistons of the piston cylinder combination out to a selected position.
  • the pistons After binding wire has been placed around main bindle 25 in a manner of itself well-known, the pistons are retracted into the cylinders whereby the bundling apparatus returns into the position of rest indicated in Fig. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Executing Machine-Instructions (AREA)
  • Package Frames And Binding Bands (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Confectionery (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Clamps And Clips (AREA)
EP90202995A 1989-11-21 1990-11-13 Vorrichtung zum Bündeln Expired - Lifetime EP0429126B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8902865A NL8902865A (nl) 1989-11-21 1989-11-21 Bundelinrichting.
NL8902865 1989-11-21

Publications (2)

Publication Number Publication Date
EP0429126A1 true EP0429126A1 (de) 1991-05-29
EP0429126B1 EP0429126B1 (de) 1994-05-18

Family

ID=19855657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90202995A Expired - Lifetime EP0429126B1 (de) 1989-11-21 1990-11-13 Vorrichtung zum Bündeln

Country Status (9)

Country Link
EP (1) EP0429126B1 (de)
JP (1) JPH03212319A (de)
AT (1) ATE105804T1 (de)
CA (1) CA2030273A1 (de)
DE (1) DE69009009T2 (de)
ES (1) ES2052164T3 (de)
FI (1) FI905728A (de)
NL (1) NL8902865A (de)
NO (1) NO905020L (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007686A1 (fr) * 2013-06-28 2015-01-02 Gerard Grimberg Presse a branchage
CN118419372A (zh) * 2024-06-12 2024-08-02 龙游立晟铝管有限公司 一种高精度铝棒材自动生产系统及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1511826A1 (de) * 1966-07-08 1969-11-27 Schwermaschb Kom Ernst Thaelma Paketiervorrichtung fuer stabfoermiges Walzgut
GB1358472A (en) * 1972-02-04 1974-07-03 Norbergs Mekaniska Verkstad Ab Method and apparatus for bundling rod beam or tube lengths
FR2223244A1 (de) * 1973-03-30 1974-10-25 Morgan Construction Co
US3871288A (en) * 1973-11-23 1975-03-18 Automation Development Corp Automatic bar handling system
GB1574349A (en) * 1977-10-19 1980-09-03 Elektros Z Tyazhel Mashinostr Apparatus for bundling rod-shaped articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5453099A (en) * 1977-10-03 1979-04-26 Kawasaki Steel Corp Method to band edge plates
JPS5579215A (en) * 1978-12-01 1980-06-14 Takigawa Kogyo Kk Method of bundling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1511826A1 (de) * 1966-07-08 1969-11-27 Schwermaschb Kom Ernst Thaelma Paketiervorrichtung fuer stabfoermiges Walzgut
GB1358472A (en) * 1972-02-04 1974-07-03 Norbergs Mekaniska Verkstad Ab Method and apparatus for bundling rod beam or tube lengths
FR2223244A1 (de) * 1973-03-30 1974-10-25 Morgan Construction Co
US3871288A (en) * 1973-11-23 1975-03-18 Automation Development Corp Automatic bar handling system
GB1574349A (en) * 1977-10-19 1980-09-03 Elektros Z Tyazhel Mashinostr Apparatus for bundling rod-shaped articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007686A1 (fr) * 2013-06-28 2015-01-02 Gerard Grimberg Presse a branchage
CN118419372A (zh) * 2024-06-12 2024-08-02 龙游立晟铝管有限公司 一种高精度铝棒材自动生产系统及方法

Also Published As

Publication number Publication date
NO905020D0 (no) 1990-11-20
EP0429126B1 (de) 1994-05-18
CA2030273A1 (en) 1991-05-22
NO905020L (no) 1991-05-22
NL8902865A (nl) 1991-06-17
ES2052164T3 (es) 1994-07-01
DE69009009T2 (de) 1994-09-22
FI905728A (fi) 1991-05-22
ATE105804T1 (de) 1994-06-15
JPH03212319A (ja) 1991-09-17
FI905728A0 (fi) 1990-11-20
DE69009009D1 (de) 1994-06-23

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