EP0065736B1 - Procédé et appareil pour la fabrication d'une botte d'armature - Google Patents

Procédé et appareil pour la fabrication d'une botte d'armature Download PDF

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Publication number
EP0065736B1
EP0065736B1 EP19820104307 EP82104307A EP0065736B1 EP 0065736 B1 EP0065736 B1 EP 0065736B1 EP 19820104307 EP19820104307 EP 19820104307 EP 82104307 A EP82104307 A EP 82104307A EP 0065736 B1 EP0065736 B1 EP 0065736B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing
feed
wires
bundle
rods
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
Application number
EP19820104307
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German (de)
English (en)
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EP0065736A3 (en
EP0065736A2 (fr
Inventor
Franz Bucher
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0065736A2 publication Critical patent/EP0065736A2/fr
Publication of EP0065736A3 publication Critical patent/EP0065736A3/de
Application granted granted Critical
Publication of EP0065736B1 publication Critical patent/EP0065736B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/006—Wire-working in the manufacture of other particular articles of concrete reinforcement fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B21F23/002—Feeding means specially adapted for handling various diameters of wire or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance

Definitions

  • the invention relates to methods for producing a bundle of reinforcing bars according to the preamble of claim 1 or 3.
  • the reinforcing bars can have the same or different diameters, depending on the overall cross-section to be achieved or on the wires available.
  • the invention further relates to a device according to the preamble of claim 6, by means of which the method can be carried out.
  • Reinforcement bundles produced by such a method can be found, for example, in AT-B-230 074. It is proposed to produce reinforcement elements with larger cross-sections by bundling at least three equally long, contacting reinforcing bars, with a connection of the bars being provided at least in some places.
  • the bundling of single rods of the same length has various advantages: surface enlargement, increased buckling strength, more favorable moment of inertia and resistance, restriction to a few diameters and, as a replacement for rods with large diameters, also lower production costs, as these have considerable price surcharges compared to rods of the medium diameter range . The latter advantage is particularly evident in reinforcing bars with high steel quality.
  • the invention also relates to a device according to the preamble of patent claim 6.
  • the bars required for the manufacture of the reinforcement bundles described there can be pulled off the roll as wires, this activity usually being carried out is supported by feed devices. The cut bars are then welded, soldered or bound.
  • straight rod pieces of the required lengths and diameters are bundled individually in order to save working time at least when laying.
  • the invention has now set itself the task of creating methods and a simple, rationally usable device for producing reinforcement bundles of any number of bars and any diameter, in which the diameter of the bars are the same or different, and in all cases their lengths to the course can be adapted to the bending moment line.
  • bundles of two, three or four rods of the same and different diameters and the same or different lengths should be able to be produced in a single automatic production system without significant downtimes, the overall system, in particular the number of reels, being economically justifiable Requirement for reinforcement bundles about adjusted dimensions moved.
  • Claim 6 indicates a device that can be used to carry out any of the methods mentioned.
  • all reinforcement wires are constantly available in the device, of which only those are selected and processed which are required for the bundle of reinforcement that is currently to be produced. If, for example, two-bar reinforcement bundles are required, two of the reinforcement wires inserted into the selection device can be detected and welded to one another. The changeover to the production of three-bar bundles is therefore limited to the activation of another existing reinforcement wire, which is integrated into the processing process. To produce a four-bar bundle, a fourth reinforcing bar, which is at rest in the selection device, is included in the production.
  • a device with four reinforcement wires of the same thickness is therefore already able to produce three different types of bundles with bars of the same length in any length. If the reinforcement bundles are to be approximated to the torque curve, the individually controllable feed devices are activated at different times and, when the wires are cut off at the same time, shut down in reverse order. The device is then able to produce two-, three-, or four-bar bundles of any length, the bar lengths being adapted to the torque curve from bundle to bundle and therefore being different.
  • the number of different bundles that can be produced can also be increased if all reinforcement bars in the bundle have different diameters. For example, with four reinforcement wires in successive diameters, three different two-bar bundles, two different three-bar bundles and one four-bar bundle, i.e. a total of six different types of bundles, each in any length adapted to the course of the moment, can be produced if the reinforcement wires each have successive diameters be combined. If the diameters are combined in any way, six different two-bar, four three-bar and one four-bar, i.e. a total of eleven different bundles can be produced, each in any length. The resulting advantage is multiplied particularly when the number of reels is increased.
  • reinforcement bundles can be produced that can replace all the usual single bars, whereby the size of the stock part is less than the usual width of mesh welding machines.
  • the device which is characterized in claim 9, significantly fewer individually controlled feed devices are required because they can be adjusted together between the individual positions. If, for example, the production of a maximum of four-bar bundles is planned, four feed devices are provided in the feed block, each of which in turn can be driven individually in order to also be able to produce two- and three-bar bundles.
  • the displacement paths of the feed blocks to the horizontal each include half the angle of the two tangential planes.
  • the 1 is equipped with a storage part 1, in which twelve reels for reinforcing wires 5 to 16, each of which has a different diameter, are arranged in two rows.
  • the reinforcement wires 5-16 for example, each have a different diameter by 1 mm, increasing from 5 mm, and correspond to the common reinforcement wires that can be wound on reels.
  • Each reel is marked with an unspecified or shown usual balance swing arm and a spring-loaded brake, which is released when the balance swing arm is actuated.
  • the reels for the reinforcement wires with a diameter from 12 mm, i.e. for the wires 12-16, are additionally equipped with a hydraulic driver.
  • the reinforcement wire 5-16 is guided through a separate straightening device 18 to the selection unit 2, into which the ends of the reinforcement wires 5-16 protrude.
  • the selection unit 2 is assigned a feed unit 3, which has a plurality of feed devices 19, 20, each consisting of a drive roller 19 and a pinch roller 20, each of which, individually controlled, can move one of the ends of the reinforcing wires 5-16 projecting into the selection unit (Fig. 2, 3).
  • a cutting unit 17 which consists of the maximum number of rods of the bundle corresponding, individually controlled scissors. The design of these scissors corresponds essentially to that used in the manufacture of lattice girders or structural steel mats, and is therefore not shown in detail.
  • the cutting unit 17 is followed by a welding unit 4, which combines the rods into bundles and ejects them at the end of the device.
  • the direction of work corresponds to arrow A.
  • the number of reels and thus the reinforcement wires 5-16 in the illustrated embodiment is three times the maximum number of bars to be bundled. Generally it is at least one bigger. This means that more and more reinforcement wires 5-16 are available in the selection device 2 than are required for the production of a bundle.
  • the number and the diameter of the reinforcing wires 5-16 can therefore be selected with the aid of the feed devices 19, 20.
  • twelve reinforcement wires 5-16 are shown, the ends of which protrude into the selection unit 2.
  • a feed device 19, 20 is assigned to each of these reinforcement wires, the drive shafts 21 of the drive rollers 19 being individually drivable.
  • the reinforcing wires 5-16 are - starting from the left in the drawing - arranged in one plane with increasing diameter. Since bars with adjacent diameters are usually bundled, for example to produce a bundle according to FIG. 4, the feed devices are set in motion, between which the reinforcement wires 7, 8, 9 are clamped. If the bundle of staggered bars according to FIG. 6 is to approach the course of the bending moment, the feed device assigned to the reinforcement wire 8 begins with the feed.
  • the feed device assigned to the reinforcement wire 7 and finally the feed device assigned to the reinforcement wire 9 are set in motion, all feed devices 19, 20 running at the same speeds, in particular in the cycle method.
  • the reinforcement wires reaching welding unit 4 in this way are welded to one another at least in some places.
  • the advance of the reinforcement wire 9 is stopped and at the same time cut off by a pair of scissors of the cutting unit 17 assigned to it.
  • the feed of the wires 7 and 8 continues, as does the welding.
  • the feed of the wire 7 is stopped as soon as its pre-calculated length is reached, and another pair of scissors assigned to it cuts it off.
  • the advancement of the wire 8 is continued up to the total length of the bundle, missing welds being carried out.
  • the reinforcement wire 8 is also cut by another, individually controlled scissors and the finished bundle is ejected from the device.
  • the procedure for producing a bundle according to FIG. 5 is the same, except that a total of four reinforcement wires 7, 8, 9, 10 are processed.
  • This version is also suitable for bundling non-adjacent reinforcement wires, since any feed device can be set in motion by the individual control.
  • the feed unit shown in FIG. 3 shows three feed devices 19, 20, which are combined in two feed blocks 22.
  • This feed unit can be used for production systems in which only two- or three-bar bundles are to be produced, in which adjacent diameters are used.
  • each feed block 22 is equipped with four rollers, so that four feed devices 19, 20 can be used.
  • the reinforcing wires 5-16 are in turn arranged with increasing diameter in the selection unit 2, starting from the left, the common center plane running horizontally.
  • the reinforcement wires 5-16 are aligned so that they have two common tangential planes that enclose the angle a with each other.
  • Each feed block 22 is displaceable in the direction of arrow B on a guide track 23 which is height-adjustable in the direction of arrow C, each guide track 23 running parallel to a tangential plane and therefore including the angle with the horizontal.
  • the feed devices 19, 20 therefore each grip a group of adjacent reinforcement wires 5-16, with the inclined guideways 23 not requiring any adaptation to the different diameters of the reinforcement wires.
  • the drive rollers 19 of the feed devices can in turn be driven individually, so that any combination of reinforcement wires is again possible within each group.
  • the guideways 23 are moved apart, the front thrust blocks 22 moved to the desired location and the guideways 23 approximated again, whereupon the feed of the modified group of reinforcing wires can be started in the manner described in FIG. 2.
  • the method according to the invention enables the automatic production of reinforcement bundles in a large number of different combinations of bars, lengths and bars, without the need for time-consuming changes to the system.
  • the system is advantageously controlled by means of electronic data processing, by means of which the reinforcement wires are automatically selected, the feed devices assigned to these selected wires are used, and the shears of the cutting unit assigned to the selected wires are used.
  • the preferred embodiment of the invention in which only reinforcement wires with different diameters are used, provides a further advantage of great importance.
  • about a third of the total reinforcement runs up to the support, since the reinforcement wire 8 with the middle cross section is the longest. If a higher proportion is required, wire 9 becomes necessary, if a lower proportion is required, wire 7 is provided along the entire length and the others are shortened.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wire Processing (AREA)

Claims (10)

1. Procédé de fabrication d'un faisceau d'armature comportant au moins deux barres d'armature placées parallèlement l'une à côté de l'autre, où des fils d'armature (5-16) enroulés sur des dévidoirs sont amenés par des dispositifs d'avancement (19, 20) jusqu'à une unité de soudage (4), sont soudés entre eux en au moins quelques endroits et sont tronçonnés à la longueur désirée, caractérisé en ce que, pour la fabrication d'un faisceau d'armature pour des éléments en biton armé sollicités à la flexion, dans lequel les longueurs des barres d'armature sont échelonnées approximativement en correspondance au profil de la courbe des moments de flexion dans l'élément en béton armé, les fils d'armature (5-16) sont amenés par des dispositifs d'avancement (19, 20) pouvant être commandés individuellement, avec décalage temporel, dans l'unité de soudage (4) avec la même vitesse d'avance et en ce que, après qu'également le fil d'armature introduit en dernier a été relié en au moins une zone de soudage avec un des fils d'armature précédemment introduits, l'avance des fils d'armature (5-16) est interrompue avec décalage temporel dans une séquence inversée, chaque fil d'armature étant tronçonné immédiatement lors de l'interruption de son mouvement d'avancement et chaque barre tronçonnée plus courte étant avancée plus loin jusque sur la zone de soudure par un des fils d'armature encore non tronçonnés.
2. Procédé selon la revendication 1 pour la fabrication d'un faisceau d'armature, dans lequel des barres d'armature comportant au moins deux diamètres différents sont prévues, caractérisé en ce qu'on sélectionne parmi un nombre, au moins supérieur à l'unité, de fils d'armature (5-16) de différents diamètres un nombre de fils d'armature correspondant au nombre de barres dans le faisceau et, dans l'ensemble des fils d'armature sélectionnés, la séquence de leurs diamètres, conditionnée par les moments, est établie et ensuite des dispositifs d'avancement (19, 20) pouvant être commandés individuellement saisissent les fils d'armature sélectionnés.
3. Procédé de fabrication d'un faisceau d'armature comportant au moins deux barres d'armature disposées parallèlement l'une à côté de l'autre, des fils d'armature (5-16) enroulés sur des dévidoirs étant amenés par des dispositifs d'avancement (19, 20) dans une unité de soudage (4), étant soudés entre eux en au moins quelques endroits et étant tronçonnés à la longueur désirée, caractérisé en ce qu'on sélectionne à partir d'armature (5-16), au moyen de dispositifs d'avancement (19, 20) pouvant être commandés individuellement, un nombre de fils d'armature correspondant au nombre de barres dans le faisceau et on les amène à l'unité de soudage (4) dans laquelle ils sont soudés sous forme d'un faisceau d'armature, auquel cas lors de l'interruption de l'avancement en correspondance à la longueur désirée du faisceau d'armature, chaque fil d'armature sélectionné est tronçonné par un dispositif de découpage pouvant être commandé individuellement.
4. Procédé selon la revendication 3, caractérisé en ce que, pour la fabrication d'un faisceau d'armature pour éléments en béton armé sollicités à la flexion, dans lequel les longueurs des barres d'armature sont échelonnées approximativement en correspondance au profil de la courbe des moments de flexion dans l'élément en béton armé, les fils d'armature sélectionnés sont amenés par le dispositif d'avancement (19, 20) pouvant être commandé individuellement, avec décalage temporel, dans l'unité de soudage (4) avec la même vitesse d'avance et en ce que, après qu'également le fil d'armature introduit en dernier a été relié en au moins une zone de soudure avec un des fils d'armature précédemment introduits, l'avancement des fils d'armature sélectionnés est interrompu dans la séquence inverse et avec décalage temporel et chaque fil d'armature est tronçonnée simultanément, auquel cas chaque barre tronçonnée plus courte est avancée plus loin jusqu'au-dessus de la zone de soudure par un des fils d'armature encore non tronçonnés.
5. Procédé selon la revendication 2 ou 4 pour la fabrication d'un faisceau d'armature, dans lequel chaque barre d'armature a un diamètre différent, caractérisé en ce que les fils d'armature (5-16) sont placés dans les différents dispositifs d'avancement (19, 20) pouvant être commandés individuellement en étant ordonnés en diamètres croissants et un groupe de fils d'armature placés l'un à côté de l'autre et correspondant au nombre de barres du faisceau est saisi par les dispositifs d'avancement (19, 20) et est amené dans l'unité de soudage (4).
6. Machine pour la fabrication d'un faisceau d'armature, qui se compose d'au moins deux barres d'armature parallèles, placées l'une à côté de l'autre et de diamètres identiques ou différents, comportant une partie de stockage (1) dans laquelle les fils d'armature (5-16) sont enroulés sur des dévidoirs et où il est prévu des dispositifs directionnels (18) associés à ceux-ci, la machine comprenant une unité d'avancement (3), une unité de tronçonnage (17) et une unité de soudage (4) et étant caractérisée en ce que l'unité d'avancement (3), à laquelle est associée, quand le nombre des fils d'armature dans la partie de stockage est supérieur au nombre minimal des barres d'armature dans le faisceau, une unité additionnelle de sélection (2) dans laquelle pénètrent constamment les extrémités de tous les fils d'armature (5-16), en ce qu'il est prévu pour chaque fil d'armature à saisir (5-16) un dispositif d'avancement (19, 20) pouvant être commandé individuellement, en ce que l'unité de tronçonnage (17) est disposée immédiatement après l'unité d'avancement (3) et avant l'unité de soudage (4) et en ce qu'il est prévu pour chacun des fils d'armature à saisir un dispositif de tronçonnage pouvant être commandé séparément et qui sectionne le fil d'armature immédiatement lors de l'interruption de l'avancement.
7. Machine selon la revendication 6, caractérisée en ce que chaque dispositif d'avancement (19, 20) se compose d'un rouleau entraîneur (19) et d'un rouleau de serrage (20), chaque rouleau entraîneur (19) étant placé sur un arbre d'entraînement propre (21) pouvant être entraîné.
8. Machine selon la revendication 6 ou 7, caractérisée en ce que l'unité d'avancement (3) comporte un nombre de dispositifs d'avancement (19, 20) correspondant au nombre total des fils d'armature (5-16) et qui sont utilisables en étant commandés individuellement.
9. Machine selon la revendication 6 ou 7, caractérisée en ce que l'unité d'avancement (3) comporte un nombre de dispositifs d'avancement (19, 20) pouvant être commandés individuellement correspondant au nombre maximal des fils d'armature du faisceau d'armature, auquel cas tous les rouleaux entraîneurs (19) et tous les rouleaux de serrage (20) sont réunis respectivement sous forme d'un bloc d'avancement (22) et les deux blocs d'avancement (22) sont déplaçables par translation dans deux directions (B, C) dans un plan perpendiculaire à la direction de travail (A) et des groupes de fils d'armature sélectionnés (5-16), qui pénètrent l'un à côté de l'autre, en étant rangés en diamètres croissants, dans le dispositif de sélection (2), peuvent être associés.
10. Machine selon la revendication 9, caractérisée en ce que les extrémités des fils d'armature (5-16) comportent deux plans tangentiels communs, qui font entre eux un certain angle (a) et chaque bloc d'avancement (22) est déplaçable par translation parallèlement à un plan tangentiel.
EP19820104307 1981-05-25 1982-05-17 Procédé et appareil pour la fabrication d'une botte d'armature Expired EP0065736B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2327/81 1981-05-25
AT232781A AT382803B (de) 1981-05-25 1981-05-25 Verfahren und vorrichtung zur herstellung eines bewehrungsbuendels

Publications (3)

Publication Number Publication Date
EP0065736A2 EP0065736A2 (fr) 1982-12-01
EP0065736A3 EP0065736A3 (en) 1983-08-03
EP0065736B1 true EP0065736B1 (fr) 1985-09-25

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Family Applications (1)

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EP19820104307 Expired EP0065736B1 (fr) 1981-05-25 1982-05-17 Procédé et appareil pour la fabrication d'une botte d'armature

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EP (1) EP0065736B1 (fr)
AT (1) AT382803B (fr)
DE (1) DE3266500D1 (fr)

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Publication number Priority date Publication date Assignee Title
AT404566B (de) * 1993-07-23 1998-12-28 Filzmoser Maschinenbau Ges M B Richt- und schneidmaschine zur bearbeitung von betonstahl
AT515432B1 (de) * 2014-04-01 2015-09-15 Evg Entwicklung Verwert Ges Vorschub- und Richtvorrichtung
ES2780367T3 (es) * 2015-01-01 2020-08-25 Shilpa Medicare Ltd Nuevo método de purificación eficiente de albumina sérica humana
IT202000023467A1 (it) * 2020-10-06 2022-04-06 M E P Macch Elettroniche Piegatrici Spa Gruppo e relativo metodo di traino per prodotti metallici

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113740B (de) * 1958-05-22 1961-09-14 Standard Elektrik Lorenz Ag Einrichtung zum Herstellen von Kabelbaeumen
AT230074B (de) * 1958-11-05 1963-11-11 Hufnagl Walter Bewehrungsanordnung für die Bewehrung von Stahlbeton
US3119536A (en) * 1961-05-16 1964-01-28 Berkeley Davis Inc Wire feeding apparatus
US4192207A (en) * 1977-01-17 1980-03-11 Amp Incorporated Method for feeding a plurality of wires

Also Published As

Publication number Publication date
DE3266500D1 (en) 1985-10-31
EP0065736A3 (en) 1983-08-03
ATA232781A (de) 1986-09-15
AT382803B (de) 1987-04-10
EP0065736A2 (fr) 1982-12-01

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