EP0715907A1 - Method of bending steel bars, in particular for bending of concrete reinforcement bars to form reinforcement stirrups - Google Patents

Method of bending steel bars, in particular for bending of concrete reinforcement bars to form reinforcement stirrups Download PDF

Info

Publication number
EP0715907A1
EP0715907A1 EP95117627A EP95117627A EP0715907A1 EP 0715907 A1 EP0715907 A1 EP 0715907A1 EP 95117627 A EP95117627 A EP 95117627A EP 95117627 A EP95117627 A EP 95117627A EP 0715907 A1 EP0715907 A1 EP 0715907A1
Authority
EP
European Patent Office
Prior art keywords
bending
machine
clamping device
rod end
station
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
EP95117627A
Other languages
German (de)
French (fr)
Other versions
EP0715907B1 (en
Inventor
Josef Reiter
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.)
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 EP0715907A1 publication Critical patent/EP0715907A1/en
Application granted granted Critical
Publication of EP0715907B1 publication Critical patent/EP0715907B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • B21D11/12—Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete

Definitions

  • the invention relates to a method for bending steel bars, in particular for bending reinforcing steel bars to reinforcement stirrups, in which the first bar end of a steel bar to be bent is inserted into a bending station which is fixed to the machine and the second bar end is introduced into a bending machine which can be moved in the longitudinal direction of the bar.
  • DE-A-39 41 291 discloses a bending system with a bending station arranged in a machine-fixed manner and a bending machine which can be moved in the longitudinal direction of the bar.
  • the mostly different lengths of steel bars are fed to a support frame arranged on the long side of the bending system, which can also be designed as a roller table, and aligned with a stop of the support frame with its first bar end assigned to the bending station. From there they are transferred to the bending system and positioned with their rod ends on the one hand in the machine-fixed bending station and on the other hand in the movable bending machine.
  • One after the other all the arches are formed on one end of the rod, then all the arches on the other end of the rod. If several arches have to be carried out on both rod ends, the process is very time-consuming.
  • An acceleration of the machining process can be achieved with the bending system known from DE-A-33 01 061.
  • the bending system has two movable bending machines and a central clamping device in the longitudinal direction between the bending machines. A rod to be bent is gripped in the center of the clamping device. Then, on both rod ends at the same time the bends are formed using the movable bending machines.
  • the known method is not free from disadvantages if steel rods of different lengths have to be processed alternately.
  • a complex positioning control of the feed device is required in order to align the steel rods of different lengths in such a way that they are gripped by the central clamping device in the center after being taken over into the bending system.
  • the path of the bending machines is several meters in both directions, and its length, which depends on the steel bars to be machined, is difficult for the machine operator to estimate. In practice, it cannot be avoided that the machine operator is standing on the road. This results in an increased risk of accidents.
  • the invention has for its object to provide a method of the type described above, with the steel rods of different lengths can be bent several times at their ends with high processing speed.
  • the invention teaches that the steel rods to be bent are fed on a support frame arranged on the long side of the bending system and are aligned with their first rod end assigned to the bending station on a stop of the support frame.
  • Bending system here means the arrangement of the bending station and bending machine including the travel path of the bending machine and the necessary drive devices.
  • the bending machine and the bending station can be carried out in a manner known per se. They usually have a bending table and a bending plate which can be driven about a vertical axis and has bending tools arranged thereon, for example in the form of a bending finger and a central bending counter-tool.
  • the tools described, or some of them, are interchangeable when it comes to making turns on steel bars different bending radius.
  • both the bending machine and the bending station are designed with their own clamping device, preferably with clamping jaws that can be moved relative to one another.
  • the steel bars are generally reworked individually.
  • the bending system shown in the figure is used for bending reinforcing steel bars to reinforcement stirrups, the ends of which are mostly curved several times.
  • the system has a bending station 1 arranged in a machine-fixed manner and a bending machine 2 which can be moved in both directions in the longitudinal direction of the bar.
  • the bending station 1 and the movable bending machine 2 each have a bending plate 3 which can be driven about a vertical axis and has bending tools arranged thereon in the form of a bending finger 4 and a central bending counter-tool 5.
  • the bending station 1 and the bending machine 2 each have a clamping device 6 ', 6 equipped.
  • the two clamping devices 6 ', 6 are in the work area between the Bending plates 3 of the bending machine 2 on the one hand and the bending station 1 on the other hand.
  • a support frame 7 is provided, in the exemplary embodiment as a roller conveyor, which has a stop 8 for steel rods at its end adjacent to the bending station 1.
  • Steel rods 9 of different lengths are fed to the bending system on the support frame 7 and aligned with the stop 8 of the support frame 7 with a rod end assigned to the bending station 1, hereinafter referred to as the first rod end 10. From there, the steel rods 9 are fed individually to the bending system, the first rod end 10 of the steel rod to be bent being introduced into the bending station 1 arranged in a machine-fixed manner and the second rod end 11 being introduced into the bending machine 2 which can be moved in the longitudinal direction of the rod.
  • the second rod end 11 is clamped in the clamping device 6 of the movable bending machine 2 (FIG. 2a).
  • the bending machine 2 is then moved for the purpose of positioning the first rod end 10, while at the same time the second rod end 11 is bent in the bending machine 2 (FIG. 2b).
  • the driving process and the bending process take place synchronously.
  • the clamping device 6 of the bending machine 2 is released and the first rod end 10 is clamped in the clamping device 6 ′ of the bending station 1.
  • the bending machine 2 now moves into a new processing position, while at the same time the first rod end 10 is bent in the bending station 1 (FIG.

Abstract

The first end (10) of a bar (9) to be bent is fitted into a stationary bending station (1). The second end (11) is fitted into a clamping device (6) of a moveable bending station (2). This is moved to position the first end, while the second end is bent simultaneously. The clamping device is released, and the first bar end is fitted into a clamping device (6') of the stationary bending station. The second station is moved into a new processing position, and the first bar end is bent simultaneously. The second clamping device is released, stages 1 to 4 are repeated, until the bar has the required shape.

Description

Die Erfindung betrifft ein Verfahren zum Biegen von Stahlstäben, insbesondere zum Biegen von Betonstahlstäben zu Bewehrungsbügeln, bei dem das erste Stabende eines zu biegenden Stahlstabes in eine maschinenfest angeordnete Biegestation und das zweite Stabende in eine in Stablängsrichtung verfahrbare Biegemaschine eingeführt werden.The invention relates to a method for bending steel bars, in particular for bending reinforcing steel bars to reinforcement stirrups, in which the first bar end of a steel bar to be bent is inserted into a bending station which is fixed to the machine and the second bar end is introduced into a bending machine which can be moved in the longitudinal direction of the bar.

Aus DE-A-39 41 291 ist eine Biegeanlage mit einer maschinenfest angeordneten Biegestation sowie einer in Stablängsrichtung verfahrbaren Biegemaschine bekannt. Die zumeist unterschiedlich langen Stahlstäbe werden auf einem an der Längsseite der Biegeanlage angeordneten Auflagergerüst, welches auch als Rollgang ausgeführt sein kann, zugeführt und mit ihrem der Biegestation zugeordneten ersten Stabende an einem Anschlag des Auflagergerüstes ausgerichtet. Von dort werden sie an die Biegeanlage übergeben und mit ihren Stabenden einerseits in der maschinenfesten Biegestation und andererseits in der verfahrbaren Biegemaschine positioniert. Nacheinander werden zunächst sämtliche Bögen an dem einen Stabende, anschließend sämtliche Bögen an dem anderen Stabende angeformt. Müssen an beiden Stabenden mehrere Bögen ausgeführt werden, so ist das Verfahren sehr zeitaufwendig.DE-A-39 41 291 discloses a bending system with a bending station arranged in a machine-fixed manner and a bending machine which can be moved in the longitudinal direction of the bar. The mostly different lengths of steel bars are fed to a support frame arranged on the long side of the bending system, which can also be designed as a roller table, and aligned with a stop of the support frame with its first bar end assigned to the bending station. From there they are transferred to the bending system and positioned with their rod ends on the one hand in the machine-fixed bending station and on the other hand in the movable bending machine. One after the other, all the arches are formed on one end of the rod, then all the arches on the other end of the rod. If several arches have to be carried out on both rod ends, the process is very time-consuming.

Eine Beschleunigung des Bearbeitungsverfahrens ist mit der aus DE-A-33 01 061 bekannten Biegeanlage erreichbar. Die Biegeanlage weist zwei verfahrbare Biegemaschinen sowie eine zentrale Klemmeinrichtung in Stablängsrichtung zwischen den Biegemaschinen auf. Ein zu biegender Stab wird in der Klemmeinrichtung mittig gefaßt. Anschließend werden an beiden Stabenden gleichzeitig mit Hilfe der verfahrbaren Biegemaschinen die Bögen angeformt. Das bekannte Verfahren ist nicht frei von Nachteilen, wenn unterschiedlich lange Stahlstäbe im Wechsel bearbeitet werden müssen. So ist eine aufwendige Positionierungssteuerung der Zuführeinrichtung erforderlich, um die unterschiedlich langen Stahlstäbe so auszurichten, daß sie nach der Übernahme in die Biegeanlage von der zentralen Klemmeinrichtung jeweils mittig erfaßt werden. Der Fahrweg der Biegemaschinen beträgt in beiden Richtungen mehrere Meter, und seine Länge, die von den zu bearbeitenden Stahlstäben abhängt, ist für den Maschinenführer nur schwer abschätzbar. Es läßt sich in der Praxis nicht vermeiden, daß der Maschinenführer auf dem Fahrweg steht. Daraus resultiert eine erhöhte Unfallgefahr.An acceleration of the machining process can be achieved with the bending system known from DE-A-33 01 061. The bending system has two movable bending machines and a central clamping device in the longitudinal direction between the bending machines. A rod to be bent is gripped in the center of the clamping device. Then, on both rod ends at the same time the bends are formed using the movable bending machines. The known method is not free from disadvantages if steel rods of different lengths have to be processed alternately. A complex positioning control of the feed device is required in order to align the steel rods of different lengths in such a way that they are gripped by the central clamping device in the center after being taken over into the bending system. The path of the bending machines is several meters in both directions, and its length, which depends on the steel bars to be machined, is difficult for the machine operator to estimate. In practice, it cannot be avoided that the machine operator is standing on the road. This results in an increased risk of accidents.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs beschriebenen Art anzugeben, mit dem unterschiedlich lange Stahlstäbe mit hoher Bearbeitungsgeschwindigkeit an ihren Enden mehrfach gebogen werden können.The invention has for its object to provide a method of the type described above, with the steel rods of different lengths can be bent several times at their ends with high processing speed.

Gegenstand der Erfindung und Lösung dieser Aufgabe ist ein Verfahren zum Biegen von Stahlstäben, insbesondere zum Biegen von Betonstahlstäben zu Bewehrungsbügeln, bei dem das erste Stabende eines zu biegenden Stahlstabes in eine maschinenfest angeordnete Biegestation und das zweite Stabende in eine in Stablängsrichtung verfahrbare Biegemaschine eingeführt werden, wobei in der nachfolgend angegebenen zeitlichen Abfolge

  • 1) das zweite Stabende in einer Klemmvorrichtung der verfahrbaren Biegemaschine eingespannt wird,
  • 2) die Biegemaschine zum Zwecke der Positionierung des ersten Stabendes verfahren wird, während gleichzeitig das zweite Stabende in der Biegemaschine gebogen wird,
  • 3) die Klemmvorrichtung der Biegemaschine gelöst und das erste Stabende in einer Klemmvorrichtung der Biegestation eingespannt wird,
  • 4) die Biegemaschine in eine neue Bearbeitungsposition verfahren wird, während gleizeitig das erste Stabende in der Biegestation gebogen wird,
  • 5) die Klemmvorrichtung der Biegestation gelöst wird und die Verfahrensschritte 1) bis 4) wiederholt werden, bis der Stahlstab die gewünschte Form besitzt.
The object of the invention and solution to this problem is a method for bending steel bars, in particular for bending reinforcing steel bars to reinforcement stirrups, in which the first bar end of a steel bar to be bent is introduced into a bending station arranged in a machine-fixed manner and the second bar end is introduced into a bending machine which can be moved in the longitudinal direction of the bar, being in the chronological order given below
  • 1) the second rod end is clamped in a clamping device of the movable bending machine,
  • 2) the bending machine is moved for the purpose of positioning the first rod end while at the same time the second rod end is being bent in the bending machine,
  • 3) the clamping device of the bending machine is released and the first rod end is clamped in a clamping device of the bending station,
  • 4) the bending machine is moved into a new processing position while the first rod end is being bent in the bending station,
  • 5) the clamping device of the bending station is released and process steps 1) to 4) are repeated until the steel rod has the desired shape.

In weiterer Ausgestaltung lehrt die Erfindung, daß die zu biegenden Stahlstäbe auf einem an der Längsseite der Biegeanlage angeordneten Auflagergerüst zugeführt und mit ihrem der Biegestation zugeordneten ersten Stabende an einem Anschlag des Auflagergerüstes ausgerichtet werden. Biegeanlage meint hier die Anordnung aus Biegestation und Biegemaschine einschließlich des Fahrweges der Biegemaschine sowie der notwendigen Antriebseinrichtungen.In a further embodiment, the invention teaches that the steel rods to be bent are fed on a support frame arranged on the long side of the bending system and are aligned with their first rod end assigned to the bending station on a stop of the support frame. Bending system here means the arrangement of the bending station and bending machine including the travel path of the bending machine and the necessary drive devices.

Die Biegemaschine sowie die Biegestation sind in an sich bekannter Weise ausführbar. Sie weisen zumeist einen Biegetisch sowie einen um eine vertikale Achse antreibbaren Biegeteller mit darauf angeordneten Biegewerkzeugen, z.B. in Form eines Biegefingers und eines zentralen Biegegegenwerkzeuges auf. Die beschriebenen Werkzeuge oder einige davon sind austauschbar, wenn es sich darum handelt, an Stahlstäben Abbiegungen mit unterschiedlichem Biegeradius anzubringen. Sowohl die Biegemaschine als auch die Biegestation sind jedoch mit einer eigenen Klemmeinrichtung, vorzugsweise mit gegeneinander bewegbaren Klemmbacken, ausgeführt. Im allgmeinen werden die Stahlstäbe einzeln nachbearbeitet. Im Rahmen der Erfindung liegt es aber auch, die Biegemaschine sowie die Biegestation so auszubilden, daß gleichzeitig mehrere Stahlstäbe gleicher Länge biegeverformt werden können.The bending machine and the bending station can be carried out in a manner known per se. They usually have a bending table and a bending plate which can be driven about a vertical axis and has bending tools arranged thereon, for example in the form of a bending finger and a central bending counter-tool. The tools described, or some of them, are interchangeable when it comes to making turns on steel bars different bending radius. However, both the bending machine and the bending station are designed with their own clamping device, preferably with clamping jaws that can be moved relative to one another. The steel bars are generally reworked individually. However, it is also within the scope of the invention to design the bending machine and the bending station in such a way that a plurality of steel rods of the same length can be bent at the same time.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen in schematischer Darstellung

Fig. 1
eine Draufsicht auf eine nach dem erfindungsgemäßen Verfahren arbeitende Biegeanlage,
Fig. 2a - 2e
den Verfahrensablauf anhand verschiedener Betriebsstellungen der Biegeanlage.
In the following the invention will be explained with reference to a drawing showing only one embodiment. They show a schematic representation
Fig. 1
2 shows a plan view of a bending system working according to the method according to the invention
2a-2e
the process sequence based on various operating positions of the bending system.

Die in der Figur dargestellte Biegeanlage dient zum Biegen von Betonstahlstäben zu Bewehrungsbügeln, deren Enden zumeist mehrfach gekrümmt sind. Die Anlage weist eine maschinenfest angeordnete Biegestation 1 sowie eine in Stablängsrichtung nach beiden Richtungen verfahrbare Biegemaschine 2 auf. Die Biegestation 1 sowie die verfahrbare Biegemaschine 2 besitzen jeweils einen um eine vertikale Achse antreibbaren Biegeteller 3 mit darauf angeordneten Biegewerkzeugen in Form eines Biegefingers 4 sowie eines zentralen Biegegegenwerkzeuges 5. Außerdem sind die Biegestation 1 sowie die Biegemaschine 2 jeweils mit einer Klemmvorrichtung 6', 6 ausgerüstet. Die beiden Klemmvorrichtungen 6', 6 sind im Arbeitsbereich zwischen den Biegetellern 3 der Biegemaschine 2 einerseits und der Biegestation 1 andererseits angeordnet. An der Längsseite der Biegeanlage ist ein Auflagergerüst 7, im Ausführungsbeispiel als Rollengang, vorgesehen, welches an seinem der Biegestation 1 benachbarten Ende einen Anschlag 8 für Stahlstäbe aufweist.The bending system shown in the figure is used for bending reinforcing steel bars to reinforcement stirrups, the ends of which are mostly curved several times. The system has a bending station 1 arranged in a machine-fixed manner and a bending machine 2 which can be moved in both directions in the longitudinal direction of the bar. The bending station 1 and the movable bending machine 2 each have a bending plate 3 which can be driven about a vertical axis and has bending tools arranged thereon in the form of a bending finger 4 and a central bending counter-tool 5. In addition, the bending station 1 and the bending machine 2 each have a clamping device 6 ', 6 equipped. The two clamping devices 6 ', 6 are in the work area between the Bending plates 3 of the bending machine 2 on the one hand and the bending station 1 on the other hand. On the long side of the bending system, a support frame 7 is provided, in the exemplary embodiment as a roller conveyor, which has a stop 8 for steel rods at its end adjacent to the bending station 1.

Unterschiedlich lange Stahlstäbe 9 werden auf dem Auflagergerüst 7 der Biegeanlage zugeführt und mit einem der Biegestation 1 zugeordneten Stabende, im folgenden als erstes Stabende 10 bezeichnet, an dem Anschlag 8 des Auflagergerüstes 7 ausgerichtet. Von dort werden die Stahlstäbe 9 einzeln der Biegeanlage zugeführt, wobei das erste Stabende 10 des zu biegenden Stahlstabes in die maschinenfest angeordnete Biegestation 1 und das zweite Stabende 11 in die in Stabslängsrichtung verfahrbare Biegemaschine 2 eingeführt werden.Steel rods 9 of different lengths are fed to the bending system on the support frame 7 and aligned with the stop 8 of the support frame 7 with a rod end assigned to the bending station 1, hereinafter referred to as the first rod end 10. From there, the steel rods 9 are fed individually to the bending system, the first rod end 10 of the steel rod to be bent being introduced into the bending station 1 arranged in a machine-fixed manner and the second rod end 11 being introduced into the bending machine 2 which can be moved in the longitudinal direction of the rod.

Zunächst wird das zweite Stabende 11 in der Klemmvorrichtung 6 der verfahrbaren Biegemaschine 2 eingspannt (Fig. 2a). Anschließend wird die Biegemaschine 2 zum Zwecke der Positionierung des ersten Stabendes 10 verfahren, während gleichzeitig das zweite Stabende 11 in der Biegemaschine 2 gebogen wird (Fig. 2b). Fahrvorgang und Biegevorgang erfolgen zeitlich synchron. Nachdem das erste Stabende 10 die gewünschte Position in der Biegestation 1 eingenommen hat und ein Bogen an das zweite Stabende 11 angeformt ist, wird die Klemmvorrichtung 6 der Biegemaschiene 2 gelöst und wird das erste Stabende 10 in der Klemmvorrichtung 6' der Biegestation 1 eingespannt. Nun fährt die Biegemaschine 2 in eine neue Bearbeitungsposition, während gleichzeitig das erste Stabende 10 in der Biegestation 1 gebogen wird (Fig. 2c). Fahrvorgang und Biegevorgang sind wiederum synchron. Nachdem an das erste Stabende 10 ebenfalls ein Bogen angeformt ist und die Biegemaschine 2 die gewünschte Bearbeitungsposition am zweiten Stabende 11 erreicht hat, wird die Klemmvorrichtung 6' der Biegestation 1 gelöst und das zweite Stabende 11 in der Klemmvorrichtung 6 der verfahrbaren Biegemaschine 2 eingespannt. Anschließend wird die Biegemaschine 2 zum Zwecke der Positionierung des ersten Stabendes 10 verfahren, während gleichzeitig an das zweite Stabende 11 ein weiterer Bogen in der Biegemaschine 2 angeformt wird (Fig. 2d). Hiernach wird die Klemmvorrichtung 6 der Biegemaschine 2 gelöst und das erste Stabende 10 in der Klemmvorrichtung 6' der Biegestation 1 eingespannt sowie mit einem Bogen versehen (Fig. 2e). Die beschriebenen Verfahrensschritte werden solange wiederholt, bis der Stahlstab 9 die gewünschte Form als Bewehrungsbügel besitzt. Der Bewehrungsbügel wird entnommen und die Biegemaschine 2 mit einem weiteren Stahlstab beschickt.First, the second rod end 11 is clamped in the clamping device 6 of the movable bending machine 2 (FIG. 2a). The bending machine 2 is then moved for the purpose of positioning the first rod end 10, while at the same time the second rod end 11 is bent in the bending machine 2 (FIG. 2b). The driving process and the bending process take place synchronously. After the first rod end 10 has assumed the desired position in the bending station 1 and an arch has been formed on the second rod end 11, the clamping device 6 of the bending machine 2 is released and the first rod end 10 is clamped in the clamping device 6 ′ of the bending station 1. The bending machine 2 now moves into a new processing position, while at the same time the first rod end 10 is bent in the bending station 1 (FIG. 2c). The driving process and the bending process are again synchronous. After an arc is also formed on the first rod end 10 and the bending machine 2 the desired one Has reached the processing position at the second rod end 11, the clamping device 6 'of the bending station 1 is released and the second rod end 11 is clamped in the clamping device 6 of the movable bending machine 2. The bending machine 2 is then moved for the purpose of positioning the first rod end 10, while at the same time a further arc is formed on the second rod end 11 in the bending machine 2 (FIG. 2d). Thereafter, the clamping device 6 of the bending machine 2 is released and the first rod end 10 is clamped in the clamping device 6 'of the bending station 1 and provided with an arch (FIG. 2e). The process steps described are repeated until the steel rod 9 has the desired shape as a reinforcement bracket. The reinforcement bracket is removed and the bending machine 2 is loaded with another steel rod.

Claims (2)

Verfahren zum Biegen von Stahlstäben, insbesondere zum Biegen von Betonstahlstäben zu Bewehrungsbügeln, bei dem das erste Stabende (10) eines zu biegenden Stahlstabes (9) in eine maschinenfest angeordnete Biegestation (1) und das zweite Stabende (11) in eine in Stablängsrichtung verfahrbare Biegemaschine (2) eingeführt werden, wobei in der nachfolgend angegebenen zeitlichen Abfolge 1) das zweite Stabende (11) in einer Klemmvorrichtung (6) der verfahrbaren Biegemaschine (2) eingespannt wird, 2) die Biegemaschine (2) zum Zwecke der Positionierung des ersten Stabendes (10) verfahren wird, während gleichzeitig das zweite Stabende (11) in der Biegemaschine (2) gebogen wird, 3) die Klemmvorrichtung (6) der Biegemaschine (2) gelöst und das erste Stabende (10) in einer Klemmvorrichtung (6') der Biegestation (1) eingespannt wird, 4) die Biegemaschine (2) in eine neue Bearbeitungsposition verfahren wird, während gleichzeitig das erste Stabende (10) in der Biegestation (1) gebogen wird, 5) die Klemmvorrichtung (6') der Biegestation (1) gelöst wird und die Verfahrensschritte 1) bis 4) wiederholt werden, bis der Stahlstab (9) die gewünschte Form besitzt. Method for bending steel bars, in particular for bending reinforcing steel bars to reinforcement stirrups, in which the first bar end (10) of a steel bar to be bent (9) into a bending station (1) fixed to the machine and the second bar end (11) in a bending machine that can be moved in the longitudinal direction of the bar (2) be introduced, in the order shown below 1) the second rod end (11) is clamped in a clamping device (6) of the movable bending machine (2), 2) the bending machine (2) is moved for the purpose of positioning the first rod end (10), while at the same time the second rod end (11) is bent in the bending machine (2), 3) the clamping device (6) of the bending machine (2) is released and the first rod end (10) is clamped in a clamping device (6 ') of the bending station (1), 4) the bending machine (2) is moved into a new processing position while at the same time the first rod end (10) is bent in the bending station (1), 5) the clamping device (6 ') of the bending station (1) is released and process steps 1) to 4) are repeated until the steel rod (9) has the desired shape. Verfahren nach Anspruch 1, wobei die zu biegenden Stahlstäbe (9) auf einem an der Längsseite der Biegeanlage angeordneten Auflagergerüst (7) zugeführt und mit ihrem der Biegestation (1) zugeordneten ersten Stabende (10) an einem Anschlag (8) des Auflagergerüstes (7) ausgerichtet werden.Method according to claim 1, wherein the steel rods (9) to be bent are fed to a support frame (7) arranged on the longitudinal side of the bending system and with their first rod end (10) assigned to the bending station (1) at a stop (8) of the support frame (7 ) are aligned.
EP95117627A 1994-12-07 1995-11-09 Method of bending steel bars, in particular for bending of concrete reinforcement bars to form reinforcement stirrups Expired - Lifetime EP0715907B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4443518A DE4443518A1 (en) 1994-12-07 1994-12-07 Process for bending steel bars, in particular for bending reinforcing steel bars to reinforcement bars
DE4443518 1994-12-07

Publications (2)

Publication Number Publication Date
EP0715907A1 true EP0715907A1 (en) 1996-06-12
EP0715907B1 EP0715907B1 (en) 1997-04-09

Family

ID=6535133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117627A Expired - Lifetime EP0715907B1 (en) 1994-12-07 1995-11-09 Method of bending steel bars, in particular for bending of concrete reinforcement bars to form reinforcement stirrups

Country Status (2)

Country Link
EP (1) EP0715907B1 (en)
DE (2) DE4443518A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0882529A1 (en) * 1997-05-29 1998-12-09 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Bending method with mobile bending assembly and relative shaping machine
EP1002592A2 (en) * 1998-11-20 2000-05-24 Franz Filzmoser Wire bending machine, in particular for bending steel reinforcing wires
GR1004238B (en) * 2002-04-02 2003-05-14 Αντωνης Παναγιωτη Αναγνωστοπουλος Method and machine for bending concrete beams, wires, tubes or other material of a prismatic cross section
CN102784854A (en) * 2011-05-17 2012-11-21 长春旭阳富维江森汽车座椅骨架有限责任公司 Double-end automatic steel wire bending machine
WO2015186112A1 (en) * 2014-06-06 2015-12-10 Giorgio Del Fabro Bending machine and corresponding method
EP2965829A1 (en) * 2014-07-10 2016-01-13 PEDAX GmbH Method for bending bendable elongate metal profiles, especially steel rods for concrete enforcement, by a movable bending unit and machine therefore

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301061A1 (en) 1983-01-14 1984-04-05 Daimler-Benz Ag, 7000 Stuttgart Bending machine
EP0416223A1 (en) * 1989-06-15 1991-03-13 Heinz Ruhl Method and device for bending of rodlike material
EP0432468A2 (en) * 1989-12-14 1991-06-19 Peddinghaus, Carl Ullrich, Dr. Machine for bending steel bars

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301061A1 (en) 1983-01-14 1984-04-05 Daimler-Benz Ag, 7000 Stuttgart Bending machine
EP0416223A1 (en) * 1989-06-15 1991-03-13 Heinz Ruhl Method and device for bending of rodlike material
EP0432468A2 (en) * 1989-12-14 1991-06-19 Peddinghaus, Carl Ullrich, Dr. Machine for bending steel bars
DE3941291A1 (en) 1989-12-14 1991-06-20 Peddinghaus Carl Ullrich Dr BENDING SYSTEM FOR STEEL ROD

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0882529A1 (en) * 1997-05-29 1998-12-09 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Bending method with mobile bending assembly and relative shaping machine
EP1002592A2 (en) * 1998-11-20 2000-05-24 Franz Filzmoser Wire bending machine, in particular for bending steel reinforcing wires
EP1002592A3 (en) * 1998-11-20 2001-12-12 Franz Filzmoser Wire bending machine, in particular for bending steel reinforcing wires
GR1004238B (en) * 2002-04-02 2003-05-14 Αντωνης Παναγιωτη Αναγνωστοπουλος Method and machine for bending concrete beams, wires, tubes or other material of a prismatic cross section
WO2003082492A1 (en) * 2002-04-02 2003-10-09 Antonios Anagnostopoulos Method and machine for bending of wire rods, wires, tubes or other material of prismatic cross section
CN102784854A (en) * 2011-05-17 2012-11-21 长春旭阳富维江森汽车座椅骨架有限责任公司 Double-end automatic steel wire bending machine
WO2015186112A1 (en) * 2014-06-06 2015-12-10 Giorgio Del Fabro Bending machine and corresponding method
CN106794502A (en) * 2014-06-06 2017-05-31 Mep意大利美普机械制造有限公司 Perfect bending machine and correlation method
US10532389B2 (en) 2014-06-06 2020-01-14 M.E.P. Macchine Elettroniche Piegatrici Spa Bending machine and corresponding method
EP2965829A1 (en) * 2014-07-10 2016-01-13 PEDAX GmbH Method for bending bendable elongate metal profiles, especially steel rods for concrete enforcement, by a movable bending unit and machine therefore

Also Published As

Publication number Publication date
EP0715907B1 (en) 1997-04-09
DE59500175D1 (en) 1997-05-15
DE4443518A1 (en) 1996-06-13

Similar Documents

Publication Publication Date Title
DE2839978C2 (en)
DE4020804C2 (en) Device and method for welding connecting components to a pipe
DE3035451C2 (en)
DE20304022U1 (en) Manufacturing plant for components, in particular body components
EP3052256A1 (en) Bending press and bending method
DE3513954A1 (en) DEVICE FOR PUNCHING ANGLE PROFILE STEEL BARS
EP0715907B1 (en) Method of bending steel bars, in particular for bending of concrete reinforcement bars to form reinforcement stirrups
EP0965413B1 (en) Installation for carrying out a series of assembly and/or working operations on workpieces, in particular on small components
DE3241844C1 (en) Punching machine with revolver drum
DE2644900B2 (en) Profiling machine
EP3031572A1 (en) Tool exchange apparatus for use in a machining centre and machining centre for machining a workpiece
WO1996003254A1 (en) Process for producing elongated sections of definitive length by machining
AT523568A1 (en) Bending machine
EP0478903B1 (en) Device for changing cassettes for a web-fed rotary press
DE102017119550B4 (en) Punching system for motor vehicle components and method for operating the punching system
DE19710046C2 (en) Device for bending steel wire into brackets and bending forms
EP0463427B1 (en) Honing machine
EP0502233B1 (en) Automated transport device, particularly for transferring workpieces between presses
DE1912394C3 (en) Welding device for welding the longitudinally directed welding gap hollow bodies shaped like a slotted tube, in particular conical masts
DE10212951A1 (en) Device for removing workpieces machined in a press
EP0910491B1 (en) Method and device for producing wire lattice mats
AT525714B1 (en) End machining center for bar-shaped workpieces
DE10003126C5 (en) Rolling apparatus and method for adjusting such
AT395691B (en) Apparatus for machining tubular or bar-shaped workpieces
DE3734535A1 (en) Device and method for the production of a unit for the processing of sheet material

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE IT

17P Request for examination filed

Effective date: 19960525

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19960925

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE IT

REF Corresponds to:

Ref document number: 59500175

Country of ref document: DE

Date of ref document: 19970515

ITF It: translation for a ep patent filed

Owner name: ING. A. GIAMBROCONO & C. S.R.L.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051109