EP0622137B1 - Device for the production of reinforcement cages - Google Patents

Device for the production of reinforcement cages Download PDF

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Publication number
EP0622137B1
EP0622137B1 EP94106302A EP94106302A EP0622137B1 EP 0622137 B1 EP0622137 B1 EP 0622137B1 EP 94106302 A EP94106302 A EP 94106302A EP 94106302 A EP94106302 A EP 94106302A EP 0622137 B1 EP0622137 B1 EP 0622137B1
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EP
European Patent Office
Prior art keywords
reinforcement
bending
grippers
reinforcement grid
housing
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
EP94106302A
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German (de)
French (fr)
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EP0622137A1 (en
Inventor
Michael R. Koch
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Individual
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Individual
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    • 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
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0613—Closed cages made of one single bent reinforcement mat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
    • B21F27/127—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by bending preformed mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network

Definitions

  • the present invention relates to a device for producing reinforcement cages from reinforcement grids with transverse and longitudinal wires.
  • reinforcement cages such as those required for the production of concrete slabs, are produced in several work steps, some of which are purely manual work steps.
  • the object of the present invention was to provide a device which creates a reinforcement cage from a reinforcement grid in one operation.
  • the device according to the invention in that it has a support bench for the reinforcement grid, a longitudinal beam arranged at a distance above it with two carriages that can be moved thereon, with at least one lowerable or lowerable on the carriage.
  • Liftable column is arranged, which is provided at its end with at least one gripper and that a bending mandrel device is provided in the support bench, which can be extended or retracted from the support bench to the reinforcement grid. is retractable.
  • the device according to the invention has a support bench 1, on which a reinforcing mesh 2 to be bent into a cage is positioned, as shown in FIG. 1. Additional support elements 3, 3 'are provided for supporting the reinforcement grid 2. Above this arrangement there is a carrier 4 on which two carriages 5, 6 are movably attached.
  • the carrier 4 is an I-profile carrier, for example.
  • the carriages 5, 6 can be moved along the carrier 4 by suitable drive means.
  • Each carriage has at least one column 7, 8 which can be extended downwards. At the end of this column, a box 9, 10 is attached, from which a gripper arm 11, 12 can be extended.
  • the gripper arm 11 can be extended at an angle of 45 ° from above with respect to the reinforcement grid plane, while the gripper arm 12 can be extended horizontally parallel to the reinforcement grid plane.
  • the gripping arms 11, 12 are provided with gripping means 13, 14, which can grip cross wires 2 'of the reinforcement grid 2.
  • a further column with a gripping arm is provided parallel to the column 8, which column is not shown in FIG. 1.
  • a bending mandrel device 15 is present in the support bench 1, which is shown here in its parking position below the reinforcement grid 2.
  • the mandrel device 15 can be moved from this position upwards through the mesh of the reinforcement grid 2.
  • the bending mandrel can then, for example, be brought over a cross wire 2 ′ of the reinforcement grid 2 and hooked onto it in order to hold the reinforcement grid 2 on the support bench and to bend the longitudinal wires about the support bench axis.
  • the bending can, however, also take place in the same way at any point on the longitudinal wires of the reinforcement grid.
  • a mandrel is provided for each line wire. It is clearly evident that the mandrel has a double function here.
  • the wire serves as a hold-down device for the wire, and on the other hand it determines the bending radius of the wire to be bent by its shape.
  • the bending mandrels themselves having several, preferably two, different radii of curvature, reinforcement grids with different wire diameters can be processed without the need to first replace the bending mandrels. It only has to be ensured that the area of the bending mandrel provided with the appropriate radius of curvature lies over the wires to be bent.
  • the reinforcement mesh 2 can be processed for a number of applications.
  • Reinforcement grids with or without spacer elements attached to the wires can thus be moved, for example from a production machine into a magazine. Or only the wire ends of a reinforcement grid can be bent. Entire reinforcement cages can also be created fully automatically, as described below, for example. The automation of these processes is less expensive than the conventional, manual way of working and faster.
  • FIG. 2 shows how both gripper arms 11, 12 engage the last transverse wires of a reinforcement grid 2.
  • the bending mandrel device 15 is in its parking position. By moving the two carriages 5, 6, the reinforcement grid 2 is shifted to the right into the position shown in FIG. 3. Here the mandrel device 15 is now pushed upwards through the space between two transverse wires of the reinforcement grid. The reinforcement grid is then shifted again to the left by means of the gripping arms 11, 12 until a cross wire 2 'comes into abutment against the mandrel holder 15', as shown in FIG. In this position, the bending mandrel 15 is moved downwards until it engages with the corresponding transverse wire 2 ', as shown in FIG. 5.

Abstract

The device according to the invention has a plurality of gripping devices (13, 14) which are arranged above a support bed (1) and which can be moved in a plane perpendicular to the plane of the support bed. A reinforcing mesh (2) arranged on the support bed (1) can in this way be gripped and moved. A bending-mandrel apparatus (15) is provided in the support bed (1) to hold fast and bend the reinforcing mesh (2). With this device it is possible to form reinforcing meshes into reinforcement cages in a fully automatic manner and with high precision. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung von Bewehrungskäfigen aus Bewehrungsgittern mit Quer- und Längsdrähten.The present invention relates to a device for producing reinforcement cages from reinforcement grids with transverse and longitudinal wires.

Herkömmlicherweise werden Bewehrungskäfige, wie sie beispielsweise für die Herstellung von Betonplatten benötigt werden, in mehreren Arbeitsschritten, wovon einige rein manuelle Arbeitsschritte sind, hergestellt.Conventionally, reinforcement cages, such as those required for the production of concrete slabs, are produced in several work steps, some of which are purely manual work steps.

Die Aufgabe der vorliegenden Erfindung bestand nun darin, eine Vorrichtung bereitszustellen, welche in einem Arbeitsgang aus einem Bewehrungsgitter ein Bewehrungskäfig erstellt.The object of the present invention was to provide a device which creates a reinforcement cage from a reinforcement grid in one operation.

Diese Aufgabe wird durch die erfindungsgemässe Vorrichtung dadurch gelöst, dass sie eine Auflagebank für das Bewehrungsgitter, einen im Abstand darüber angeordneten Längsträger mit zwei darauf verfahrbaren Laufwagen aufweist, wobei an den Laufwagen wenigstens eine gegen unten absenkbare resp. anhebbare Säule angeordnet ist, welche an ihrem Ende mit mindestens einem Greifer versehen ist und dass eine Biegedornvorrichtung in der Auflagebank vorgesehen ist, welche aus der Auflagebank zum Bewehrungsgitter hin aussfahrbar resp. einziehbar ist.This object is achieved by the device according to the invention in that it has a support bench for the reinforcement grid, a longitudinal beam arranged at a distance above it with two carriages that can be moved thereon, with at least one lowerable or lowerable on the carriage. Liftable column is arranged, which is provided at its end with at least one gripper and that a bending mandrel device is provided in the support bench, which can be extended or retracted from the support bench to the reinforcement grid. is retractable.

Bevorzugte Ausführungsformen der Erfindung ergeben sich aus den Ansprüchen 2 bis 5.Preferred embodiments of the invention result from claims 2 to 5.

Mit der erfindungsgemässen Vorrichtung ist es möglich, vollautomatisch aus einem ebenen Bewehrungsgitter ein Bewehrungskäfig durch Biegen zu schaffen. Damit wird im Vergleich zu herkömmlichen, manuellen Methoden eine rationelle, zuverlässige und kostengünstige Fertigung von Bewehrungskäfigen ermöglicht.With the device according to the invention it is possible to create a reinforcement cage fully automatically from a flat reinforcement grid by bending. Compared to conventional, manual methods, this makes a rational, enables reliable and cost-effective production of reinforcement cages.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand von Zeichnungen noch näher erläutert. Es zeigen

  • Fig. 1 schematisch den Querschnitt einer erfindungsgemässen Vorrichtung;
  • Fig. 2 - 13 schematisch die Herstellung eines Bewehrungskäfigs aus einem ebenen Bewehrungsgitter.
An embodiment of the invention is explained in more detail below with reference to drawings. Show it
  • 1 schematically shows the cross section of a device according to the invention;
  • Fig. 2-13 schematically the manufacture of a reinforcement cage from a flat reinforcement grid.

Die erfindungsgemässe Vorrichtung weist eine Auflagebank 1 auf, auf welche ein zu einem Käfig zu verbiegendes Bewehrungsgitter 2 positioniert wird, wie in Figur 1 gezeigt. Für die Auflage des Bewehrungsgitters 2 sind noch weitere Stützelemente 3, 3' vorgesehen. Über dieser Anordnung ist ein Träger 4 vorhanden, an welchem zwei Laufwagen 5, 6 verfahrbar angebracht sind. Der Träger 4 ist beispielsweise ein I-Profilträger. Die Laufwagen 5,6 können durch geeignete Antriebsmittel entlang des Trägers 4 verfahren werden. Jeder Laufwagen weist mindestens eine nach unten ausfahrbare Säule 7,8 auf. Am Ende dieser Säule ist jeweils ein Kasten 9,10 angebracht, aus welchem ein Greifarm 11,12 ausfahrbar ist. Der Greifarm 11 ist dabei in einem Winkel von 45° von oben bezüglich der Bewehrungsgitterebene ausfahrbar, während der Greifarm 12 horizontal parallel zur Bewehrungsgitterebene ausfahrbar ist. Die Greifarme 11,12 sind mit Greifmitteln 13,14 versehen, welche Querdrähte 2' des Bewehrungsgitters 2 ergreifen können. Parallel zur Säule 8 ist noch eine weitere Säule mit einem Greifarm vorgesehen, welche in der Figur 1 nicht dargestellt ist.The device according to the invention has a support bench 1, on which a reinforcing mesh 2 to be bent into a cage is positioned, as shown in FIG. 1. Additional support elements 3, 3 'are provided for supporting the reinforcement grid 2. Above this arrangement there is a carrier 4 on which two carriages 5, 6 are movably attached. The carrier 4 is an I-profile carrier, for example. The carriages 5, 6 can be moved along the carrier 4 by suitable drive means. Each carriage has at least one column 7, 8 which can be extended downwards. At the end of this column, a box 9, 10 is attached, from which a gripper arm 11, 12 can be extended. The gripper arm 11 can be extended at an angle of 45 ° from above with respect to the reinforcement grid plane, while the gripper arm 12 can be extended horizontally parallel to the reinforcement grid plane. The gripping arms 11, 12 are provided with gripping means 13, 14, which can grip cross wires 2 'of the reinforcement grid 2. A further column with a gripping arm is provided parallel to the column 8, which column is not shown in FIG. 1.

In der Auflagebank 1 ist eine Biegedornvorrichtung 15 vorhanden, welche hier in ihrer Parkierposition unterhalb des Bewehrungsgitters 2 gezeigt ist. Die Biegedornvorrichtung 15 kann aus dieser Lage von unter her durch die Maschen des Bewehrungsgitters 2 hindurch nach oben gefahren werden. Dann kann der Biegedorn beispielsweise über einen Querdraht 2' des Bewehrungsgitters 2 gebracht und an diesen eingehakt werden, um das Bewehrungsgitter 2 an der Auflagebank festzuhalten und die Längsdrähte um die Auflagebankachse zu verbiegen. Die Verbiegung kann aber auch an jeder beliebigen Stelle der Längsdrähte des Bewehrungsgitters in gleicher Weise erfolgen. Dazu ist für jeden Längsdraht ein Biegedorn vorgesehen. Es ist klar ersichtlich, dass hier der Biegedorn eine doppelte Funktion hat. Einerseits dient er als Niederhalteorgan für den Draht, und andererseits bestimmt er durch seine Form den Biegeradius des zu biegenden Drahtes. Indem die Biegedorne selbst mehrere, vorzugsweise zwei, verschiedene Krümmungsradien aufweisen, können Bewehrungsgitter mit unterschiedlichem Drahtdurchmesser bearbeitet werden, ohne dass hierzu die Biegedorne zuerst ausgetauscht werden müssten. Es muss lediglich sichergestellt sein, dass über den zu biegenden Drähten der mit dem passenden Krümmungsradius versehene Bereich des Biegedornes zu liegen kommt.A bending mandrel device 15 is present in the support bench 1, which is shown here in its parking position below the reinforcement grid 2. The mandrel device 15 can be moved from this position upwards through the mesh of the reinforcement grid 2. The bending mandrel can then, for example, be brought over a cross wire 2 ′ of the reinforcement grid 2 and hooked onto it in order to hold the reinforcement grid 2 on the support bench and to bend the longitudinal wires about the support bench axis. The bending can, however, also take place in the same way at any point on the longitudinal wires of the reinforcement grid. For this purpose, a mandrel is provided for each line wire. It is clearly evident that the mandrel has a double function here. On the one hand it serves as a hold-down device for the wire, and on the other hand it determines the bending radius of the wire to be bent by its shape. By the bending mandrels themselves having several, preferably two, different radii of curvature, reinforcement grids with different wire diameters can be processed without the need to first replace the bending mandrels. It only has to be ensured that the area of the bending mandrel provided with the appropriate radius of curvature lies over the wires to be bent.

Mit dieser Vorrichtung können die Bewehrungsgitter 2 für eine Reihe von Anwendungen bearbeitet werden. Es können damit Bewehrungsgitter mit oder ohne an den Drähten aufgebrachten Distanzelementen verschoben werden, beispielsweise aus einer Fertigungsmaschine in ein Magazin. Oder es können nur die Drahtenden eines Bewehrungsgitters abgebogen werden. Weiter können damit ganze Bewehrungskäfige vollautomatisch erstellt werden, wie nachfolgend beispielsweise beschrieben wird. Die Automatisierung dieser Abläufe ist gegenüber der herkömmlichen, manuellen Arbeitsweise kostengünstiger und schneller.With this device, the reinforcement mesh 2 can be processed for a number of applications. Reinforcement grids with or without spacer elements attached to the wires can thus be moved, for example from a production machine into a magazine. Or only the wire ends of a reinforcement grid can be bent. Entire reinforcement cages can also be created fully automatically, as described below, for example. The automation of these processes is less expensive than the conventional, manual way of working and faster.

In Figur 2 ist dargestellt, wie beide Greifarme 11,12 an die jeweils letzten Querdrähte eines Bewehrungsgitters 2 angreifen. Die Biegedornvorrichtung 15 ist dabei in ihrer Parkierstellung. Durch Verfahren der beiden Laufwagen 5,6 wird das Bewehrungsgitter 2 nach rechts bis in die in Figur 3 gezeigten Position verschoben. Hier wird nun die Biegedornvorrichtung 15 nach oben durch den Zwischenraum zweier Querdrähte des Bewehrungsgitters geschoben. Anschliessend wird das Bewehrungsgitter mittels der Greifarme 11,12 wieder nach links verschoben, bis ein Querdraht 2' gegen den Biegedornhalter 15' in Anschlag kommt, wie in Figur 4 gezeigt. In dieser Position wird der Biegedorn 15 nach unten gefahren, bis er mit dem entsprechenden Querdraht 2' in Eingriff gelangt, wie in Figur 5 gezeigt. Nun wird das rechts über die Auflagebank 1 ragende Ende des Bewehrungsgitters 2 mittels des Greifarmes 12 nach oben verbogen, wie in Figur 6 gezeigt. Die Biegung kann dabei durch einen Biegestab 16 unterstützt oder allein durch diesen durchgeführt werden. Hier wird nun der zusätzliche Greifarm 12' ersichtlich, welcher parallel zum Greifarm 12 angeordnet ist. Dieser wird nun gebraucht, um das Bewehrungsgitter 2, wie in Figur 7 gezeigt, festzuhalten, damit die beiden Greifarme 11,12 an die in Figur 8 gezeigten Positionen verschoben werden können. Das Bewehrungsgitter 2 wird nun in die in Figur 9 gezeigten Position verfahren und der Biegedorn 15 nun mit einem weiteren Querdraht in Eingriff gebracht. Danach kann das Bewehrungsgitter 2 mittels der Greifarme 11,12, resp. des Biegstabes 16, auch um diesen Querdraht um ca. 90° verbogen werden. Analog erfolgen die weiteren Schritte gemäss den Figuren 11 bis 13, bis schliesslich das Bewehrungsgitter 2 zu einem geschlossenen Käfig gebogen ist. Diese Herstellung eines Bewehrungskäfigs kann automatisch in sehr kurzer Zeit mit einer hohen Präzision erfolgen.FIG. 2 shows how both gripper arms 11, 12 engage the last transverse wires of a reinforcement grid 2. The bending mandrel device 15 is in its parking position. By moving the two carriages 5, 6, the reinforcement grid 2 is shifted to the right into the position shown in FIG. 3. Here the mandrel device 15 is now pushed upwards through the space between two transverse wires of the reinforcement grid. The reinforcement grid is then shifted again to the left by means of the gripping arms 11, 12 until a cross wire 2 'comes into abutment against the mandrel holder 15', as shown in FIG. In this position, the bending mandrel 15 is moved downwards until it engages with the corresponding transverse wire 2 ', as shown in FIG. 5. Now the end of the reinforcement grid 2, which projects over the support bench 1 on the right, is bent upwards by means of the gripping arm 12, as shown in FIG. The bending can be supported by a bending rod 16 or carried out by this alone. The additional gripper arm 12 ′ can now be seen here, which is arranged parallel to the gripper arm 12. This is now used to hold the reinforcement grid 2, as shown in FIG. 7, so that the two gripping arms 11, 12 can be moved to the positions shown in FIG. The reinforcement grid 2 is now moved into the position shown in FIG. 9 and the bending mandrel 15 is now brought into engagement with a further cross wire. Then the reinforcement grid 2 by means of the gripping arms 11, 12, respectively. of the bending rod 16, are bent about this cross wire by about 90 °. The further steps according to FIGS. 11 to 13 take place analogously until finally the reinforcement grid 2 is bent into a closed cage. This reinforcement cage can be made automatically in a very short time with high precision.

Claims (5)

  1. A device for the production of reinforcement cages from reinforcement bars with trasverse and longitudinal cables, comprising a supporting bench (1) for the reinforcement bar (2), a longitudinal beam (4) mounted at a distance above it with two travelling vehicles (5, 6) thereupon, with, attached to the vehicles (5, 6), at least one column which can be lowered and/or raised (7, 8) at the end of which at least one gripper (11-14) is fitted, and is provided with a bending block device (15) in the supporting bench (1), which is extendible and/or retractable from the supporting bench (1) up to the reinforcement bar (2).
  2. A device as claimed in Claim 1, wherein the bending block device (15) comprises several bending blocks, with each bending block provided with at least two different bending radii and at the same time functioning as a clamp.
  3. A device as claimed in Claim 1 or 2, wherein at least one vehicle (5, 6) is provided with two columns (7, 8), which can be raised and/or lowered independently of each other.
  4. A device as claimed in one of the Claims 1 to 3, wherein the grippers (11-14) can be extended and/or retracted into/out of a housing (9, 10), which is in each case attached to the end of a column (7, 8).
  5. A device as claimed in Claim 4, wherein the grippers (12, 14) on one vehicle (6) travel horizontally in and/or out of their housing (10) and the grippers (11, 13) on the other vehicle (5) travel in and/or out of their housing (9) at an angle of ideally 45° to the reinforcement bar plane.
EP94106302A 1993-04-26 1994-04-22 Device for the production of reinforcement cages Expired - Lifetime EP0622137B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1260/93 1993-04-26
CH01260/93A CH687064A5 (en) 1993-04-26 1993-04-26 An apparatus for producing Bewehrungskoerben.

Publications (2)

Publication Number Publication Date
EP0622137A1 EP0622137A1 (en) 1994-11-02
EP0622137B1 true EP0622137B1 (en) 1996-08-21

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EP94106302A Expired - Lifetime EP0622137B1 (en) 1993-04-26 1994-04-22 Device for the production of reinforcement cages

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EP (1) EP0622137B1 (en)
AT (1) ATE141532T1 (en)
CH (1) CH687064A5 (en)
DE (1) DE59400504D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1400333B1 (en) * 2009-11-13 2013-05-24 A W M Spa METHOD AND MACHINE FOR AUTOMATIC ASSEMBLY OF COMPLEX CAGES FORMED BY ELECTROSALDATE METALLIC NETWORKS.
CN102909528A (en) * 2012-09-21 2013-02-06 安徽马钢比亚西钢筋焊网有限公司 Processing method for constructional girder and column stirrup cage
CN104998998B (en) * 2015-07-23 2017-05-17 赵光林 Cylindrical reinforcement cage machining method and device
CN112726571B (en) * 2021-02-09 2022-10-25 上海市机械施工集团有限公司 Method for manufacturing reinforcement cage
CN115446232A (en) * 2022-09-29 2022-12-09 薛军营 Flat land welding device for steel reinforcement cage main body

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2123185B1 (en) * 1971-01-28 1973-12-07 Metal Deploye
FR2269387A1 (en) * 1974-04-30 1975-11-28 Herlin Bernard Machine for mfg concrete reinforcement cages - uses bars bent about longitudinal bars and welded
FR2529124A1 (en) * 1982-06-23 1983-12-30 Bentzmann Bertrand De DEVICE FOR MANUFACTURING ARMATURES FOR ARMED CONCRETE

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ATE141532T1 (en) 1996-09-15
EP0622137A1 (en) 1994-11-02
DE59400504D1 (en) 1996-09-26
CH687064A5 (en) 1996-09-13

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