EP2380676A1 - Method for operating a bending machine with movable straightening unit - Google Patents

Method for operating a bending machine with movable straightening unit Download PDF

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Publication number
EP2380676A1
EP2380676A1 EP11161130A EP11161130A EP2380676A1 EP 2380676 A1 EP2380676 A1 EP 2380676A1 EP 11161130 A EP11161130 A EP 11161130A EP 11161130 A EP11161130 A EP 11161130A EP 2380676 A1 EP2380676 A1 EP 2380676A1
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EP
European Patent Office
Prior art keywords
bending
unit
biegegut
straightening unit
straightening
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EP11161130A
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German (de)
French (fr)
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EP2380676B1 (en
Inventor
Thomas Freidl
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Felss Burger GmbH
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Felss Burger GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00Bending 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
    • B21D11/06Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • B21D11/07Making serpentine-shaped articles by bending essentially in one plane

Definitions

  • the invention relates to a method for operating a bending machine, wherein a fed Biegegut, in particular tubular Biegegut, is directed with a straightening unit of the bending machine and is meandered plastically deformed at a bending station of the bending machine with a plurality of bending units,
  • the Biegegut For meandering plastic deformation of pipes or other Biegegut the Biegegut is typically initially unwound from a wound stock ("coil") of a supply reel (reel). The Biegegut has after unwinding a considerable curvature, which must first be eliminated. The removal of this curvature is referred to as "straightening” and typically involves a process of flexing along the flexure in two orthogonal directions.
  • the directional (non-curved, straight) Biegegut is then subjected to the actual bending process.
  • the Biegegut is usually taken with three bending units (bending heads), and at least a portion of the bending heads moves with the Biegegut, so that the Biegegut is plastically deformed.
  • the bending heads alternate between a first working position in which the straight Biegegut is taken, and a second working position in which the deformed Biegegut is released, back and forth.
  • Known bending machines comprise a stationary straightener and a bending station, wherein the bending material is guided by the straightener in the bending station.
  • the bending material is pulled through the straightening unit; This movement of the bending material is used to carry out the straightening process on the bending material.
  • the bending material In order for the straightening process to be carried out properly, the bending material must only pass the straightener at a relatively low speed. The speed with which the bending units move from the first working position to the second working position is correspondingly to the requirements set the straightening process.
  • the straightening process therefore determines the cycle time in meandering plastic deformation of bending material in known bending machines.
  • the invention has for its object to increase the cycle time in the meandering plastic deformation of Biegegut.
  • the relative movement of the material to be bent and the straightening unit required for the straightening process is decoupled from the (absolute) advancement of the material to be bent, which is predetermined at the bending station in the course of the bending process.
  • the straightening unit is movable relative to the bending station or along and against the normal feed direction of the Biegeguts, the relative movement between Biegegut and straightening unit on the travel speed of the straightening unit can be influenced.
  • times that were previously inaccessible to a straightening process can be used for a straightening process.
  • the straightening process can be partially or completely shifted to times other than the bending process.
  • non-productive times for example times of clamping processes or threading-in and threading-out processes
  • a straightening process in which the Straightening unit applies the required relative speed by its own process.
  • the bending process does not have to be tuned to the straightening process, the bending process can proceed much faster than with known bending machines or known operating methods.
  • the speed of the bending process is essentially limited only by the drive of the bending units. As a result, the cycle time can be shortened considerably.
  • the invention can be used to deform Biegegut different types, in particular tubular Biegegut or rod-shaped (full material) Biegegut.
  • Tubular Biegegut typically has a circular cross-section; but there are also other pipe profiles, such as oval or square pipe profiles possible.
  • the Biegegut is typically unwound from a supply reel (reel), usually via a dancer.
  • a variant of the operating method according to the invention which provides that is directed during the return movement of the bending units at the bending station from the second working position to the first working position with the moving straightening unit Biegegut, in particular, wherein the straightening unit is moved away from the bending station.
  • the retraction of the bending units requires considerable time, which can be used for straightening, so that less (or no) bending time needs to be used for straightening.
  • During the return movement of the bending units is usually no (absolute) feed of the Biegeguts.
  • Equally advantageous is a method variant in which bending material is directed with the moving straightening unit, while at least part of the bending units is currently in a clamping process, threading process, Entklemmrea or Ausfädelvon with respect to the Biegeguts, in particular with the straightening unit is moved away from the bending station.
  • These processes also take considerable time, which can be used for judging.
  • a straightening with the moving straightening unit can also take place during further processes on the bending machine, in which no transport (feed) of bending material takes place, for example during a calibration of pipe ends.
  • a preferred variant of the method provides that the material to be bent is held clamped between the bending station and the straightening unit, in particular with a separating unit or a notching unit, while bending goods are directed with the moving straightening unit.
  • the bending units are mechanically relieved at the bending station.
  • the notch and separation units can also be used in straightening in this variant.
  • Particularly preferred is a variant of the method in which the bending material rests relative to the bending station at least during a part of the time in which the moving straightening unit is oriented. This will create new times for the Straightening process opens, and the cycle time for the production of meandering deformed Biegegut is considerably shortened.
  • bending material is directed with the moving straightening unit, in particular wherein the straightening unit is to be moved to the bending station.
  • the bending material is preferably used by the bending station at high speed; by the movement of the straightening unit to the bending station (ie in the direction of the feed of the Biegeguts), the relative speed of Biegegut and straightening unit can be reduced so far that a main time-parallel straightening process is possible.
  • the scope of the present invention also includes a bending machine for the meandering plastic deformation of bending material, comprising a straightening unit and a bending station with a plurality of bending units, in particular wherein at least a part of the bending units at the bending station between a first working position, in which the bending material before deformation can be taken, and a second working position in which the bending material can be released after deformation, is movable, which is characterized in that the straightening unit is formed on the bending station to and from the bending station away movable.
  • the movability of the straightening unit opens up the possibility of performing straightening processes independently of the advance of the bending material caused by the bending station. As a result, in particular, the bending process can be accelerated (in particular with a higher feed than the maximum relative straightening speed of the straightening unit).
  • the straightening unit is designed to be movable by a motor.
  • a motor Alternatively, other drive systems are possible.
  • the straightening unit is moved synchronized to the preferably motor-driven bending units.
  • the bending machine has a guide on which the straightening unit can be moved to the bending station to and from the bending station, in particular wherein at least one of the bending units can also be moved on the guide.
  • the guide simplifies the process of the straightening unit and possibly the bending unit.
  • the guide typically runs straight.
  • a separation unit and a notching unit are arranged, which are each also designed to clamp the Biegeguts.
  • the separating unit and the notching unit are typically also motor-driven. With the clamping function, the straightening process can be supported.
  • a handling unit can be offset with the deformed Biegegut in the direction of the straightening unit away.
  • the handling unit can, in particular, offset the bending material by a meander distance in order to allow the shaping of the next meander loop.
  • FIGS. 1a to 1i the sequence of an operating method according to the invention for operating a bending machine according to the invention is illustrated by way of example.
  • the bending machine 1 has a bending station 2 and a straightening unit 3.
  • the straightening unit 3 is mounted on a straight guide 4 (in Fig. 1 a) to the left and right, ie to the bending station 2 to and from this away, movable (this direction is also referred to as x-direction). Parallel to the guide 4 and a Biegegut 5, such as copper pipe, out.
  • the Biegegut 5 is on the in Fig. 1a provided on the right side of a coil (not shown) and supplied by the straightening unit 3 of the bending station 2.
  • the bending station 2 has (here) three bending units (bending heads) 6a, 6b, 6c.
  • the left bending unit 6a is stationary here, the right bending unit 6b is movable on the guide 4.
  • the middle bending unit 6 c is in a vertical plane (in the plane of FIG Fig. 1a, xz plane; x, y, z form an orthogonal system).
  • the bending units 6a, 6b, 6c can each take bending material 5 during a bending process (see below).
  • a separation unit 8 and a notching unit 9 are further movable, each of which can also clamp the Biegegut 5. Separating unit 8 and notching unit 9 are arranged between the bending station 2 and the straightening unit 3.
  • the movabilities of the bending units 6b, 6c, the separation unit 8, the notching unit 9 and the straightening unit 3 are arranged, for example, by NC motors.
  • Fig. 1a is shown a starting position at the beginning of the production of a meandering body of the Biegegut 5; all units 6b, 6c, 8, 9, 3 have moved all the way to the left.
  • the notching unit 9 (with open clamping) and the straightening unit 3 move at a directional speed (ie a speed at which the straightening process on the bending material 5 can still take place properly, this speed depends in particular on the material of the bending material 5) to the right; the straightening unit 3 directs the overrun bending material 5.
  • the separation unit 8 has closed its clamping.
  • the notching unit 9 for a bending process is sufficiently far away from the bending station 2 ("in position"), cf. Fig . 1c , stops the notching unit 9 and closes its clamping.
  • the straightening unit 3 continues to travel to the right at the directional speed and thereby directs the material to be bent 5.
  • the bending units 6b and 6c move to the first working position AP1 in which they grip the bending material 5 at the beginning of a bending process; the bending units 6b, 6c can do so with their maximum (limited only by their drive) speed.
  • the separation unit 8 has opened its clamp and simultaneously moves to the right to clear the way for the bending units 6b, 6c.
  • a first meander 10 is pulled up with the bending units 6a, 6b, 6c.
  • the bending units 6b and 6c can move with their (limited only by their drive and the resistance of the Biegeguts 5 against the bending deformation) maximum speed, see. Fig. 1d .
  • the bending units 6a, 6b, 6c finally reach the second working position AP2.
  • the separation unit 8 has closed its clamping and drives synchronously with the bending unit 6b. Bending material 5 (in Fig. 1d to the left) from the coil ("feed" of the Biegeguts 5).
  • the straightening unit 3 typically travels to the left synchronously with the bending unit 6b (whereby no relative movement occurs between the bending stock 5 and the straightening unit 3) without straightening.
  • the first meander 10 is threaded (during this Ausfädelreaes could already clamped again with the notching unit 9 and with the straightening unit 3 directing to the right be moved, not shown).
  • the clamping of the separation unit 8 is then opened, and with a handling unit, not shown, the first meander 10 (and thus also the Biegegut 5 total) a meander distance MA moved to the left, see.
  • Fig. 1e The notching unit 9 (with closed clamping) and the straightening unit 3 are moved synchronously to the left.
  • the second meander 11 is pulled, cf. Fig. 1h (which processes analog Fig. 1d illustrated).
  • the clamping of the separating unit 8 closes, and the bending units 6b, 6c move at maximum speed to the second working position AP2, wherein the separating unit 8 moves synchronously with the bending unit 6b.
  • the clamping of the notching unit 9 is open, and the straightening unit 3 either moves to the left without being directed synchronously with the bending unit 6b, or the straightening unit 3 moves to the left at a reduced speed in a judging manner, cf. Position 3 '.
  • the straightening of the bent material takes place in parallel to the bending back of the bending units from the second to the first working position and during threading processes, as well as possibly during a bending process running at maximum speed.
  • a maximum relative speed between Biegegut and straightening unit limits the speed of the bending process, whereby the cycle time of meandering can be significantly reduced.
  • the maximum straightening speed is particularly slow, so that the decoupling of bending according to the invention from straightening allows a particularly strong reduction of cycle time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The method involves plastically deforming bending goods i.e. tubular bending goods (5), at a bending station of a bending machine by bending units (6a-6c) in a meander-shaped manner. A part of the bending units is moved towards the bending station between a working position (AP1) in which the bending goods are moved before deformation, and another working position in which the bending goods are released after the deformation. The bending goods are aligned by an aligning unit (3) of the machine while the aligning unit is moved away from the bending station or towards the bending station.

Description

Die Erfindung betrifft ein Verfahren zum Betrieb einer Biegemaschine, wobei ein zugeführtes Biegegut, insbesondere rohrförmiges Biegegut, mit einer Richteinheit der Biegemaschine gerichtet wird und an einer Biegestation der Biegemaschine mit mehreren Biegeeinheiten mäanderförmig plastisch verformt wird,The invention relates to a method for operating a bending machine, wherein a fed Biegegut, in particular tubular Biegegut, is directed with a straightening unit of the bending machine and is meandered plastically deformed at a bending station of the bending machine with a plurality of bending units,

wobei zumindest ein Teil der Biegeeinheiten an der Biegestation wiederholt zwischen einer ersten Arbeitsposition, in welcher das Biegegut vor einer Verformung ergriffen wird, und einer zweiten Arbeitsposition, in welcher das Biegegut nach einer Verformung freigegeben wird, verfährt.wherein at least a part of the bending units at the bending station repeatedly moves between a first working position in which the bending material is gripped before deformation, and a second working position in which the bending material is released after deformation.

Beispielsweise für den Bau von Solarmodulen zur Warmwasserbereitung, für Heiz- oder Kühlkörper oder andere Wärmetauscheranwendungen werden mäanderformig gebogene Rohre benötigt.For example, for the construction of solar modules for hot water, for heaters or heatsinks or other heat exchanger applications meandering bent tubes are needed.

Zur mäanderförmigen plastischen Verformung von Rohren oder anderem Biegegut wird das Biegegut typischerweise zunächst von einem aufgewickelten Vorrat ("Coil") von einer Vorratsspule (Haspel) abgewickelt. Das Biegegut weist nach dem Abwickeln eine erhebliche Krümmung auf, welche zunächst beseitigt werden muss. Das Entfernen dieser Krümmung wird als "Richten" bezeichnet und beinhaltet typischerweise einen Walkprozess entlang des Biegeguts in zwei orthogonalen Richtungen.For meandering plastic deformation of pipes or other Biegegut the Biegegut is typically initially unwound from a wound stock ("coil") of a supply reel (reel). The Biegegut has after unwinding a considerable curvature, which must first be eliminated. The removal of this curvature is referred to as "straightening" and typically involves a process of flexing along the flexure in two orthogonal directions.

Das gerichtete (ungekrümmte, gerade) Biegegut wird dann dem eigentlichen Biegeprozess unterzogen. Dabei wird das Biegegut mit üblicherweise drei Biegeeinheiten (Biegeköpfen) ergriffen, und zumindest ein Teil der Biegeköpfe verfährt bei ergriffenem Biegegut, so dass das Biegegut plastisch verformt wird. Die Biegeköpfe wechseln dabei zwischen einer ersten Arbeitsposition, in der das gerade Biegegut ergriffen wird, und einer zweiten Arbeitsposition, in der das verformte Biegegut freigegeben wird, hin und her.The directional (non-curved, straight) Biegegut is then subjected to the actual bending process. In this case, the Biegegut is usually taken with three bending units (bending heads), and at least a portion of the bending heads moves with the Biegegut, so that the Biegegut is plastically deformed. The bending heads alternate between a first working position in which the straight Biegegut is taken, and a second working position in which the deformed Biegegut is released, back and forth.

Bekannte Biegemaschinen umfassen ein ortsfestes Richtwerk und eine Biegestation, wobei das Biegegut durch das Richtwerk in die Biegestation geführt wird. Beim Verfahren der Biegeeinheiten in der Biegestation von der ersten Arbeitsposition in die zweite Arbeitsposition wird das Biegegut durch das Richtwerk gezogen; diese Bewegung des Biegeguts wird genutzt, um den Richtprozess am Biegegut auszuführen.Known bending machines comprise a stationary straightener and a bending station, wherein the bending material is guided by the straightener in the bending station. When moving the bending units in the bending station from the first working position to the second working position, the bending material is pulled through the straightening unit; This movement of the bending material is used to carry out the straightening process on the bending material.

Damit der Richtprozess ordnungsgemäß ausgeführt wird, darf das Biegegut nur mit einer relativ geringen Geschwindigkeit das Richtwerk passieren. Die Geschwindigkeit, mit der die Biegeeinheiten von der ersten Arbeitsposition in die zweite Arbeitsposition verfahren, wird entsprechend auf die Anforderungen des Richtprozesses eingestellt. Der Richtprozess bestimmt daher bei bekannten Biegemaschinen die Taktzeit beim mäanderförmigen plastischen Verformen von Biegegut.In order for the straightening process to be carried out properly, the bending material must only pass the straightener at a relatively low speed. The speed with which the bending units move from the first working position to the second working position is correspondingly to the requirements set the straightening process. The straightening process therefore determines the cycle time in meandering plastic deformation of bending material in known bending machines.

Aufgabe der ErfindungObject of the invention

Der Erfindung liegt die Aufgabe zugrunde, die Taktzeit beim mäanderförmigen plastischen Verformen von Biegegut zu erhöhen.The invention has for its object to increase the cycle time in the meandering plastic deformation of Biegegut.

Kurze Beschreibung der ErfindungBrief description of the invention

Diese Aufgabe wird gelöst durch ein Verfahren der eingangs genannten Art, das dadurch gekennzeichnet ist, dass mit der Richteinheit Biegegut gerichtet wird, während die Richteinheit von der Biegestation weg oder auf die Biegestation zu verfahren wird.This object is achieved by a method of the type mentioned above, which is characterized in that with the straightening unit Biegegut is directed, while the straightening unit will move away from the bending station or on the bending station.

Gemäß der vorliegenden Erfindung wird die für den Richtprozess erforderliche Relativbewegung von Biegegut und Richteinheit vom (absoluten) Vorschub des Biegeguts, welcher im Rahmen des Biegeprozesses an der Biegestation vorgegeben wird, entkoppelt. Dadurch, dass die Richteinheit relativ zur Biegestation bzw. entlang und entgegen der normalen Vorschubrichtung des Biegeguts verfahrbar ist, kann die Relativbewegung zwischen Biegegut und Richteinheit über die Verfahrgeschwindigkeit der Richteinheit beeinflusst werden. Somit werden Zeiten, die bisher für einen Richtprozess nicht zugänglich waren, für einen Richtprozess nutzbar. Der Richtprozess kann erfindungsgemäß teilweise oder ganz auf andere Zeiten als den Biegeprozess verlagert werden.According to the present invention, the relative movement of the material to be bent and the straightening unit required for the straightening process is decoupled from the (absolute) advancement of the material to be bent, which is predetermined at the bending station in the course of the bending process. Characterized in that the straightening unit is movable relative to the bending station or along and against the normal feed direction of the Biegeguts, the relative movement between Biegegut and straightening unit on the travel speed of the straightening unit can be influenced. Thus, times that were previously inaccessible to a straightening process can be used for a straightening process. According to the invention, the straightening process can be partially or completely shifted to times other than the bending process.

Erfindungsgemäß können insbesondere Zeiten ohne (absolutem) Vorschub von Biegegut ("Nebenzeiten", etwa Zeiten von Klemmprozessen oder Ein- und Ausfädelprozessen) für einen Richtprozess genutzt werden, indem die Richteinheit die erforderliche Relativgeschwindigkeit durch eigenes Verfahren aufbringt.According to the invention, in particular times without (absolute) feed of bending material ("non-productive times", for example times of clamping processes or threading-in and threading-out processes) can be used for a straightening process in which the Straightening unit applies the required relative speed by its own process.

Weiterhin können auch Zeiten, in denen ein sehr schneller (absoluter) Vorschub von Biegegut erfolgt, für einen Richtprozess genutzt werden, indem die Richteinheit sich in die gleiche Richtung wie das Biegegut bewegt, so dass die Relativgeschwindigkeit reduziert und somit ein Richtprozess ermöglicht wird. Dadurch kann auch während eines schnellen Biegeprozesses zeitgleich ("hauptzeitparallel") ein Richten erfolgen.Furthermore, even times in which a very fast (absolute) feed of bending material takes place can be used for a straightening process in that the straightening unit moves in the same direction as the bending material, so that the relative speed is reduced and thus a straightening process is made possible. As a result, straightening can take place simultaneously during a fast bending process ("main time parallel").

Da der Biegeprozess nicht mehr auf den Richtprozess abgestimmt werden muss, kann der Biegeprozess sehr viel schneller als bei bekannten Biegemaschinen bzw. bekannten Betriebsverfahren ablaufen. Die Geschwindigkeit des Biegeprozesses wird im Wesentlichen nur noch durch den Antrieb der Biegeeinheiten begrenzt. Dadurch kann die Taktzeit erheblich verkürzt werden.Since the bending process does not have to be tuned to the straightening process, the bending process can proceed much faster than with known bending machines or known operating methods. The speed of the bending process is essentially limited only by the drive of the bending units. As a result, the cycle time can be shortened considerably.

Die Erfindung kann dazu eingesetzt werden, Biegegut verschiedenen Typs, insbesondere rohrförmiges Biegegut oder auch stangenförmiges (vollmaterialartiges) Biegegut, zu verformen. Rohrförmiges Biegegut hat typischerweise einen kreisförmigen Querschnitt; es sind aber auch andere Rohrprofile, etwa ovale oder eckige Rohrprofile möglich. Das Biegegut wird typischerweise von einer Vorratsspule (Haspel) abgewickelt, in der Regel über einen Tänzer.The invention can be used to deform Biegegut different types, in particular tubular Biegegut or rod-shaped (full material) Biegegut. Tubular Biegegut typically has a circular cross-section; but there are also other pipe profiles, such as oval or square pipe profiles possible. The Biegegut is typically unwound from a supply reel (reel), usually via a dancer.

Bevorzugte Varianten der ErfindungPreferred variants of the invention

Besonders vorteilhaft ist eine Variante des erfindungsgemäßen Betriebsverfahrens, die vorsieht, dass während des Zurückfahrens der Biegeeinheiten an der Biegestation von der zweiten Arbeitsposition in die erste Arbeitsposition mit der sich bewegenden Richteinheit Biegegut gerichtet wird, insbesondere wobei die Richteinheit von der Biegestation weg verfahren wird. Das Zurückfahren der Biegeeinheiten erfordert eine erhebliche Zeit, die zum Richten genutzt werden kann, so dass weniger (oder gar keine) Biegezeit zum Richten genutzt zu werden braucht. Während des Zurückfahrens der Biegeeinheiten erfolgt in der Regel kein (absoluter) Vorschub des Biegeguts. Durch das Richten in der Wegwärtsbewegung von der Biegestation wird gerichtetes Biegegut dort zuerst zur Verfügung gestellt, wo es als nächstes gebraucht wird.Particularly advantageous is a variant of the operating method according to the invention, which provides that is directed during the return movement of the bending units at the bending station from the second working position to the first working position with the moving straightening unit Biegegut, in particular, wherein the straightening unit is moved away from the bending station. The retraction of the bending units requires considerable time, which can be used for straightening, so that less (or no) bending time needs to be used for straightening. During the return movement of the bending units is usually no (absolute) feed of the Biegeguts. By directing in the wayward movement from the bending station, directional bending stock is first made available where it is needed next.

Ebenso vorteilhaft ist eine Verfahrensvariante, bei der mit der sich bewegenden Richteinheit Biegegut gerichtet wird, während zumindest ein Teil der Biegeeinheiten gerade in einem Festklemmprozess, Einfädelprozess, Entklemmprozess oder Ausfädelprozess bezüglich des Biegeguts ist, insbesondere wobei die Richteinheit von der Biegestation weg verfahren wird. Auch diese Prozesse nehmen erhebliche Zeit in Anspruch, die zum Richten genutzt werden kann. Ein Richten mit der sich bewegenden Richteinheit kann auch während weiterer Prozesse an der Biegemaschine erfolgen, in denen kein Transport (Vorschub) von Biegegut erfolgt, beispielsweise während eines Kalibrierens von Rohrenden.Equally advantageous is a method variant in which bending material is directed with the moving straightening unit, while at least part of the bending units is currently in a clamping process, threading process, Entklemmprozess or Ausfädelprozess with respect to the Biegeguts, in particular with the straightening unit is moved away from the bending station. These processes also take considerable time, which can be used for judging. A straightening with the moving straightening unit can also take place during further processes on the bending machine, in which no transport (feed) of bending material takes place, for example during a calibration of pipe ends.

Eine bevorzugte Verfahrensvariante sieht vor, dass das Biegegut zwischen Biegestation und Richteinheit geklemmt gehalten wird, insbesondere mit einer Trenneinheit oder einer Kerbeinheit, während mit der sich bewegenden Richteinheit Biegegut gerichtet wird. Durch das Klemmen werden die Biegeeinheiten an der Biegestation mechanisch entlastet. Die Kerb- und die Trenneinheit können in dieser Variante zusätzlich auch beim Richten genutzt werden.A preferred variant of the method provides that the material to be bent is held clamped between the bending station and the straightening unit, in particular with a separating unit or a notching unit, while bending goods are directed with the moving straightening unit. By clamping the bending units are mechanically relieved at the bending station. In addition, the notch and separation units can also be used in straightening in this variant.

Besonders bevorzugt ist eine Verfahrensvariante, bei der zumindest während eines Teils der Zeit, in der die sich bewegende Richteinheit Biegegut richtet, das Biegegut relativ zur Biegestation ruht. Dadurch werden neue Zeiten für den Richtprozess eröffnet, und die Taktzeit für die Fertigung von mäanderförmig verformtem Biegegut wird erheblich verkürzt.Particularly preferred is a variant of the method in which the bending material rests relative to the bending station at least during a part of the time in which the moving straightening unit is oriented. This will create new times for the Straightening process opens, and the cycle time for the production of meandering deformed Biegegut is considerably shortened.

Vorteilhaft ist auch eine Verfahrensvariante, bei der während des Biegeprozesses, in welchem die Biegeeinheiten von der ersten Arbeitsposition in die zweite Arbeitsposition verfahren, mit der sich bewegenden Richteinheit Biegegut gerichtet wird, insbesondere wobei die Richteinheit auf die Biegestation zu verfahren wird. Beim Biegeprozess wird von der Biegestation das Biegegut bevorzugt mit hoher Geschwindigkeit herangezogen; durch die Bewegung der Richteinheit auf die Biegestation zu (also in Richtung mit dem Vorschub des Biegeguts) kann die Relativgeschwindigkeit von Biegegut und Richteinheit so weit reduziert werden, dass ein hauptzeitparalleler Richtprozess möglich ist.Also advantageous is a method variant in which during the bending process, in which the bending units move from the first working position to the second working position, bending material is directed with the moving straightening unit, in particular wherein the straightening unit is to be moved to the bending station. In the bending process, the bending material is preferably used by the bending station at high speed; by the movement of the straightening unit to the bending station (ie in the direction of the feed of the Biegeguts), the relative speed of Biegegut and straightening unit can be reduced so far that a main time-parallel straightening process is possible.

In den Rahmen der vorliegenden Erfindung fällt auch eine Biegemaschine für die mäanderförmige plastische Verformung von Biegegut, umfassend eine Richteinheit und eine Biegestation mit mehreren Biegeeinheiten, insbesondere wobei zumindest ein Teil der Biegeeinheiten an der Biegestation zwischen einer ersten Arbeitsposition, in welcher das Biegegut vor einer Verformung ergriffen werden kann, und einer zweiten Arbeitsposition, in welcher das Biegegut nach einer Verformung freigegeben werden kann, verfahrbar ist, die dadurch gekennzeichnet ist, dass die Richteinheit auf die Biegestation zu und von der Biegestation weg verfahrbar ausgebildet ist. Durch die Verfahrbarkeit der Richteinheit wird die Möglichkeit eröffnet, Richtprozesse unabhängig vom Vorschub des Biegeguts, der durch die Biegestation verursacht wird, durchzuführen. Dadurch kann insbesondere der Biegeprozess beschleunigt (insbesondere mit höherem Vorschub als der maximalen relativen Richtgeschwindigkeit der Richteinheit entsprechend) durchgeführt werden.The scope of the present invention also includes a bending machine for the meandering plastic deformation of bending material, comprising a straightening unit and a bending station with a plurality of bending units, in particular wherein at least a part of the bending units at the bending station between a first working position, in which the bending material before deformation can be taken, and a second working position in which the bending material can be released after deformation, is movable, which is characterized in that the straightening unit is formed on the bending station to and from the bending station away movable. The movability of the straightening unit opens up the possibility of performing straightening processes independently of the advance of the bending material caused by the bending station. As a result, in particular, the bending process can be accelerated (in particular with a higher feed than the maximum relative straightening speed of the straightening unit).

Bei einer bevorzugten Ausführungsform ist die Richteinheit motorisch verfahrbar ausgebildet. Alternativ sind auch andere Antriebssysteme möglich. Die Richteinheit wird synchronisiert zu den bevorzugt motorisch verfahrbaren Biegeeinheiten verfahren.In a preferred embodiment, the straightening unit is designed to be movable by a motor. Alternatively, other drive systems are possible. The straightening unit is moved synchronized to the preferably motor-driven bending units.

Vorteilhafter Weise weist die Biegemaschine eine Führung auf, auf der die Richteinheit auf die Biegestation zu und von der Biegestation weg verfahrbar ist, insbesondere wobei zumindest eine der Biegeeinheiten ebenfalls auf der Führung verfahrbar ist. Durch die Führung wird das Verfahren der Richteinheit und ggf. der Biegeeinheit vereinfacht. Die Führung verläuft typischerweise gerade.Advantageously, the bending machine has a guide on which the straightening unit can be moved to the bending station to and from the bending station, in particular wherein at least one of the bending units can also be moved on the guide. The guide simplifies the process of the straightening unit and possibly the bending unit. The guide typically runs straight.

Eine vorteilhafte Weiterbildung dieser Ausführungsform sieht vor, dass auf der Führung zwischen Biegestation und Richteinheit weiterhin eine Trenneinheit und eine Kerbeinheit angeordnet sind, die jeweils auch zum Klemmen des Biegeguts ausgebildet sind. Die Trenneinheit und die Kerbeinheit sind typischerweise auch motorisch verfahrbar. Mit der Klemmfunktion kann der Richtprozess unterstützt werden.An advantageous development of this embodiment provides that on the guide between bending station and straightening unit further a separation unit and a notching unit are arranged, which are each also designed to clamp the Biegeguts. The separating unit and the notching unit are typically also motor-driven. With the clamping function, the straightening process can be supported.

Bevorzugt ist auch eine Ausführungsform, bei der eine Handhabungseinheit vorgesehen ist, mit der verformtes Biegegut in Richtung von der Richteinheit weg versetzt werden kann. Die Handhabungseinheit kann insbesondere das Biegegut um einen Mäanderabstand versetzen, um die Formung der nächsten Mäanderschleife zu ermöglichen.Also preferred is an embodiment in which a handling unit is provided, can be offset with the deformed Biegegut in the direction of the straightening unit away. The handling unit can, in particular, offset the bending material by a meander distance in order to allow the shaping of the next meander loop.

Schließlich fällt auch in den Rahmen der vorliegenden Erfindung die Verwendung einer erfindungsgemäßen, oben beschriebenen Biegemaschine in einem erfindungsgemäßen, oben beschriebenen Betriebsverfahren.Finally, it is also within the scope of the present invention to use a bending machine according to the invention described above in an inventive operating method described above.

Weitere Vorteile der Erfindung ergeben sich aus der Beschreibung und der Zeichnung. Ebenso können die vorstehend genannten und die noch weiter ausgeführten Merkmale erfindungsgemäß jeweils einzeln für sich oder zu mehreren in beliebigen Kombinationen Verwendung finden. Die gezeigten und beschriebenen Ausführungsformen sind nicht als abschließende Aufzählung zu verstehen, sondern haben vielmehr beispielhaften Charakter für die Schilderung der Erfindung.Further advantages of the invention will become apparent from the description and the drawings. Likewise, according to the invention, the features mentioned above and those which are still further can be used individually or separately several in any combination use find. The embodiments shown and described are not to be understood as exhaustive enumeration, but rather have exemplary character for the description of the invention.

Detaillierte Beschreibung der Erfindung und ZeichnungDetailed description of the invention and drawing

Die Erfindung ist in der Zeichnung dargestellt und wird anhand von Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1a - Fig. 1i
den Ablauf eines erfindungsgemäßen Betriebsverfahrens an einer schematisch dargestellten erfindungsgemäßen Biegemaschine mit verfahrbarer Richteinheit.
The invention is illustrated in the drawing and will be explained in more detail with reference to embodiments. Show it:
Fig. 1a - Fig. 1i
the sequence of an operating method according to the invention to a schematically illustrated bending machine according to the invention with a movable straightening unit.

In den Figuren 1a bis 1i wird beispielhaft der Ablauf eines erfindungsgemäßen Betriebsverfahrens zum Betrieb einer erfindungsgemäßen Biegemaschine illustriert.In the FIGS. 1a to 1i the sequence of an operating method according to the invention for operating a bending machine according to the invention is illustrated by way of example.

Wie insbesondere in Fig. 1a ersichtlich, weist die Biegemaschine 1 eine Biegestation 2 und eine Richteinheit 3 auf.As in particular in Fig. 1a As can be seen, the bending machine 1 has a bending station 2 and a straightening unit 3.

Die Richteinheit 3 ist auf einer geraden Führung 4 (in Fig. 1 a) nach links und rechts, also auf die Biegestation 2 zu und von dieser weg, verfahrbar (diese Richtung wird auch als x-Richtung bezeichnet). Parallel zur Führung 4 ist auch ein Biegegut 5, beispielsweise Kupferrohr, geführt. Das Biegegut 5 wird auf der in Fig. 1a rechten Seite von einem (nicht dargestellten) Coil abgewickelt bereitgestellt und durch die Richteinheit 3 der Biegestation 2 zugeführt.The straightening unit 3 is mounted on a straight guide 4 (in Fig. 1 a) to the left and right, ie to the bending station 2 to and from this away, movable (this direction is also referred to as x-direction). Parallel to the guide 4 and a Biegegut 5, such as copper pipe, out. The Biegegut 5 is on the in Fig. 1a provided on the right side of a coil (not shown) and supplied by the straightening unit 3 of the bending station 2.

Die Biegestation 2 weist (hier) drei Biegeeinheiten (Biegeköpfe) 6a, 6b, 6c auf. Die linke Biegeeinheit 6a ist hier stationär ausgebildet, die rechte Biegeeinheit 6b ist auf der Führung 4 verfahrbar. Die mittlere Biegeeinheit 6c ist in einer vertikalen Ebene (in der Zeichenebene von Fig. 1a, xz-Ebene; x, y, z bilden ein orthogonales System) verfahrbar. Die Biegeeinheiten 6a, 6b, 6c können jeweils Biegegut 5 im Rahmen eines Biegeprozesses ergreifen (siehe unten).The bending station 2 has (here) three bending units (bending heads) 6a, 6b, 6c. The left bending unit 6a is stationary here, the right bending unit 6b is movable on the guide 4. The middle bending unit 6 c is in a vertical plane (in the plane of FIG Fig. 1a, xz plane; x, y, z form an orthogonal system). The bending units 6a, 6b, 6c can each take bending material 5 during a bending process (see below).

Auf der Führung 4 sind weiterhin eine Trenneinheit 8 und eine Kerbeinheit 9 verfahrbar, die jeweils auch das Biegegut 5 einklemmen können. Trenneinheit 8 und Kerbeinheit 9 sind zwischen der Biegestation 2 und der Richteinheit 3 angeordnet.On the guide 4, a separation unit 8 and a notching unit 9 are further movable, each of which can also clamp the Biegegut 5. Separating unit 8 and notching unit 9 are arranged between the bending station 2 and the straightening unit 3.

Die Verfahrbarkeiten der Biegeeinheiten 6b, 6c, der Trenneinheit 8, der Kerbeinheit 9 und der Richteinheit 3 sind beispielsweise durch NC-Motoren eingerichtet.The movabilities of the bending units 6b, 6c, the separation unit 8, the notching unit 9 and the straightening unit 3 are arranged, for example, by NC motors.

In Fig. 1a ist eine Ausgangsstellung zu Beginn der Fertigung eines mäanderförmigen Körpers aus dem Biegegut 5 gezeigt; alle Einheiten 6b, 6c, 8, 9, 3 sind ganz nach links gefahren.In Fig. 1a is shown a starting position at the beginning of the production of a meandering body of the Biegegut 5; all units 6b, 6c, 8, 9, 3 have moved all the way to the left.

Zunächst, vgl. Fig. 1b , verfahren die Kerbeinheit 9 (mit offenener Klemmung) und die Richteinheit 3 mit Richtgeschwindigkeit (also einer Geschwindigkeit, bei der der Richtprozess am Biegegut 5 noch ordnungsgemäß ablaufen kann; diese Geschwindigkeit ist insbesondere vom Material des Biegeguts 5 abhängig) nach rechts; die Richteinheit 3 richtet dabei das überfahrene Biegegut 5. Die Trenneinheit 8 hat dabei ihre Klemmung geschlossen.First of all, cf. Fig. 1b , the notching unit 9 (with open clamping) and the straightening unit 3 move at a directional speed (ie a speed at which the straightening process on the bending material 5 can still take place properly, this speed depends in particular on the material of the bending material 5) to the right; the straightening unit 3 directs the overrun bending material 5. The separation unit 8 has closed its clamping.

Sobald die Kerbeinheit 9 für einen Biegeprozess ausreichend weit von der Biegestation 2 entfernt ist ("in Position ist"), vgl. Fig. 1c , hält die Kerbeinheit 9 an und schließt ihre Klemmung. Die Richteinheit 3 fährt weiter mit Richtgeschwindigkeit nach rechts und richtet dabei das Biegegut 5. Gleichzeitig verfahren die Biegeeinheiten 6b und 6c in die erste Arbeitsposition AP1, in welcher sie das Biegegut 5 zu Beginn eines Biegeprozesses ergreifen; die Biegeeinheiten 6b, 6c können dafür mit ihrer maximalen (nur durch ihren Antrieb begrenzten) Geschwindigkeit verfahren. Die Trenneinheit 8 hat ihre Klemmung geöffnet und verfährt zeitgleich nach rechts, um für die Biegeeinheiten 6b, 6c den Weg frei zu machen.As soon as the notching unit 9 for a bending process is sufficiently far away from the bending station 2 ("in position"), cf. Fig . 1c , stops the notching unit 9 and closes its clamping. The straightening unit 3 continues to travel to the right at the directional speed and thereby directs the material to be bent 5. At the same time the bending units 6b and 6c move to the first working position AP1 in which they grip the bending material 5 at the beginning of a bending process; the bending units 6b, 6c can do so with their maximum (limited only by their drive) speed. The separation unit 8 has opened its clamp and simultaneously moves to the right to clear the way for the bending units 6b, 6c.

Anschließend wird mit den Biegeeinheiten 6a, 6b, 6c ein erster Mäander 10 hochgezogen. Dabei können die Biegeeinheiten 6b und 6c mit ihrer (nur durch ihren Antrieb und den Widerstand des Biegeguts 5 gegen die Biegeverformung begrenzten) Maximalgeschwindigkeit verfahren, vgl. Fig. 1d . Die Biegeeinheiten 6a, 6b, 6c gelangen schließlich in die zweite Arbeitsposition AP2. Die Trenneinheit 8 hat währenddessen ihre Klemmung geschlossen und fährt synchron zur Biegeeinheit 6b mit. Dabei wird Biegegut 5 (in Fig. 1d nach links) vom Coil nachgezogen ("Vorschub" des Biegeguts 5).Subsequently, a first meander 10 is pulled up with the bending units 6a, 6b, 6c. In this case, the bending units 6b and 6c can move with their (limited only by their drive and the resistance of the Biegeguts 5 against the bending deformation) maximum speed, see. Fig. 1d , The bending units 6a, 6b, 6c finally reach the second working position AP2. Meanwhile, the separation unit 8 has closed its clamping and drives synchronously with the bending unit 6b. Bending material 5 (in Fig. 1d to the left) from the coil ("feed" of the Biegeguts 5).

Während des Biegevorgangs ist die Klemmung der ruhenden Kerbeinheit 9 offen. Die Richteinheit 3 fährt typischerweise synchron zur Biegeeinheit 6b nach links mit (wodurch zwischen Biegegut 5 und Richteinheit 3 keine Relativbewegung anfällt), ohne zu richten. Alternativ ist es möglich, mit gegenüber der Biegeeinheit 6b und der Trenneinheit 8 (bzw. dem Vorschub des Biegegutes 5) reduzierter Geschwindigkeit mit der Richteinheit 3 nach links zu verfahren, und die dann verbleibende Relativbewegung zwischen Biegegut 5 und Richteinheit 3 für ein hauptzeitparalleles Richten eines zusätzlichen Biegegutabschnitts BGA zu nutzen; in diesem Fall endet die Bewegung der Richteinheit 3 beispielsweise weiter rechts, vgl. die dünn gezeichnete Position 3'.During the bending operation, the clamping of the resting notching unit 9 is open. The straightening unit 3 typically travels to the left synchronously with the bending unit 6b (whereby no relative movement occurs between the bending stock 5 and the straightening unit 3) without straightening. Alternatively, it is possible to move with respect to the bending unit 6b and the separation unit 8 (or the feed of the bending material 5) reduced speed with the straightening unit 3 to the left, and then remaining relative movement between Biegegut 5 and straightening unit 3 for a main time parallel straightening a additional BGA section BGA; in this case, the movement of the straightening unit 3 ends, for example, further to the right, cf. the thinly drawn position 3 '.

Anschließend wird an den Biegeeinheiten 6a, 6b, 6c der erste Mäander 10 ausgefädelt (während dieses Ausfädelprozesses könnte bereits wieder mit der Kerbeinheit 9 geklemmt und mit der Richteinheit 3 richtend nach rechts verfahren werden, nicht dargestellt). Die Klemmung der Trenneinheit 8 wird sodann geöffnet, und mit einer nicht dargestellten Handhabungseinheit wird der erste Mäander 10 (und damit auch das Biegegut 5 insgesamt) einen Mäanderabstand MA nach links verfahren, vgl. Fig. 1e . Die Kerbeinheit 9 (mit geschlossener Klemmung) und die Richteinheit 3 werden synchron nach links verfahren.Subsequently, at the bending units 6a, 6b, 6c, the first meander 10 is threaded (during this Ausfädelprozesses could already clamped again with the notching unit 9 and with the straightening unit 3 directing to the right be moved, not shown). The clamping of the separation unit 8 is then opened, and with a handling unit, not shown, the first meander 10 (and thus also the Biegegut 5 total) a meander distance MA moved to the left, see. Fig. 1e , The notching unit 9 (with closed clamping) and the straightening unit 3 are moved synchronously to the left.

Schließlich wird bei geschlossener Klemmung der Trenneinheit 8 die Richteinheit 3 richtend mit Richtgeschwindigkeit einen Mäanderabstand MA nach rechts verfahren, vgl. Fig. 1f , wobei die Kerbeinheit 9 (bei offener Klemmung) synchron mit verfahren wird.Finally, when the clamping unit 8 is closed, the straightening unit 3 is straightened to the right with a directional speed at a straightening speed, cf. Fig. 1f , wherein the notching unit 9 is moved synchronously (with open clamping).

Sodann wird mit der Fertigung eines zweiten Mäanders fortgefahren, vgl. Fig. 1g (welche Vorgänge analog Fig. 1c illustriert). Sobald die Kerbeinheit 9 in Position ist, geht die Klemmung an der Kerbeinheit 9 zu, und die Klemmung an der Trenneinheit 8 öffnet sich. Die Biegeeinheiten 6b, 6c gehen mit Maximalgeschwindigkeit zurück in die erste Arbeitsposition AP1 und fädeln das Biegegut 5 ein, und währenddessen richtet die Richteinheit 3 nach rechts fahrend das Biegegut 5.Then the production of a second meander is continued, cf. Fig. 1g (which processes analog Fig. 1c illustrated). As soon as the notching unit 9 is in position, the clamping on the notching unit 9 increases and the clamping on the separating unit 8 opens. The bending units 6b, 6c go at maximum speed back into the first working position AP1 and thread the Biegegut 5, and while the straightening unit 3 is directed to the right driving the Biegegut 5.

Anschließend wird der zweite Mäander 11 gezogen, vgl. Fig. 1h (welche Vorgänge analog Fig. 1d illustriert). Die Klemmung der Trenneinheit 8 schließt sich, und die Biegeeinheiten 6b, 6c verfahren mit Maximalgeschwindigkeit in die zweite Arbeitsposition AP2, wobei die Trenneinheit 8 synchron mit der Biegeeinheit 6b verfährt. Die Klemmung der Kerbeinheit 9 ist offen, und die Richteinheit 3 fährt entweder ohne zu richten synchron zur Biegeeinheit 6b nach links, oder die Richteinheit 3 fährt richtend mit verminderter Geschwindigkeit nach links, vgl. Position 3'.Subsequently, the second meander 11 is pulled, cf. Fig. 1h (which processes analog Fig. 1d illustrated). The clamping of the separating unit 8 closes, and the bending units 6b, 6c move at maximum speed to the second working position AP2, wherein the separating unit 8 moves synchronously with the bending unit 6b. The clamping of the notching unit 9 is open, and the straightening unit 3 either moves to the left without being directed synchronously with the bending unit 6b, or the straightening unit 3 moves to the left at a reduced speed in a judging manner, cf. Position 3 '.

Danach erfolgt wiederum ein Ausfädeln an den Biegeeinheiten 6a, 6b, 6c (während dessen wiederum ein Richten stattfinden kann, nicht dargestellt) sowie ein Versetzen des Biegeguts 5 einschließlich der bereits gezogenen Mäander 10, 11 um einen Mäanderabstand MA nach links, vgl. Fig. 1i (welche Vorgänge analog Fig. 1e illustriert). Hierbei ist wiederum die Klemmung der Trenneinheit 8 geöffnet, die Klemmung der Kerbeinheit 9 geschlossen, und Kerbeinheit 9 und Richteinheit 3 verfahren synchron zum Biegegut 5.Thereafter, a Ausfädeln again takes place at the bending units 6a, 6b, 6c (during which a straightening can take place again, not shown) and a displacement of the Biegeguts 5 including the already drawn meander 10, 11 by a meander distance MA to the left, cf. Fig. 1i (which processes analog Fig. 1e illustrated). Here, in turn, the clamping of the separation unit 8 is opened, the clamping of the notching unit 9 is closed, and notching unit 9 and 3 straightening unit synchronously to Biegegut. 5

Die Vorgänge von Fig. 1g bis 1i werden so oft wiederholt, bis die gewünschte Anzahl an Mäandern (Mäartderschlaufen) gefertigt ist. Anschließend kann das Biegegut 5 mit der Kerbeinheit 9 gekerbt und an der Kerbstelle mit der Trenneinheit 8 (welche zwei spreizbare Klemmstellen besitzt) auseinandergezogen werden.The events of Fig. 1g to 1i are repeated until the desired number of meanders (Mäartderschlaufen) is made. Subsequently, the Biegegut 5 notched with the notching unit 9 and at the notch point with the separation unit 8 (which has two spreadable clamping points) are pulled apart.

Im erfindungsgemäßen Verfahren erfolgt das Richten des Biegeguts parallel zum Zurückfahren des der Biegeeinheiten von der zweiten in die erste Arbeitsposition und während Fädelprozessen, sowie gegebenenfalls während eines mit Maximalgeschwindigkeit ablaufenden Biegeprozesses. Eine maximale Relativgeschwindigkeit zwischen Biegegut und Richteinheit begrenzt dann aber die Geschwindigkeit des Biegeprozesses nicht mehr, wodurch die Taktzeit der Mäanderformung erheblich verkürzt werden kann. Insbesondere bei Verwendung von Biegegut aus Kupfer, beispielsweise Kupferrohren für Solarmodule, ist die maximale Richtgeschwindigkeit besonders langsam, so dass die erfindungsgemäße Entkopplung des Biegens vom Richten eine besonders starke Verkürzung der Taktzeit ermöglicht.In the method according to the invention, the straightening of the bent material takes place in parallel to the bending back of the bending units from the second to the first working position and during threading processes, as well as possibly during a bending process running at maximum speed. However, a maximum relative speed between Biegegut and straightening unit then limits the speed of the bending process, whereby the cycle time of meandering can be significantly reduced. In particular, when using Biegegut made of copper, such as copper pipes for solar modules, the maximum straightening speed is particularly slow, so that the decoupling of bending according to the invention from straightening allows a particularly strong reduction of cycle time.

Claims (12)

Verfahren zum Betrieb einer Biegemaschine (1),
wobei ein zugeführtes Biegegut (5), insbesondere rohrförmiges Biegegut (5), mit einer Richteinheit (3) der Biegemaschine (1) gerichtet wird und an einer Biegestation (2) der Biegemaschine (1) mit mehreren Biegeeinheiten (6a-6c) mäanderförmig plastisch verformt wird,
wobei zumindest ein Teil der Biegeeinheiten (6b, 6c) an der Biegestation (2) wiederholt zwischen einer ersten Arbeitsposition (AP1), in welcher das Biegegut (5) vor einer Verformung ergriffen wird, und einer zweiten Arbeitsposition (AP2), in welcher das Biegegut (5) nach einer Verformung freigegeben wird, verfährt,
dadurch gekennzeichnet,
dass mit der Richteinheit (3) Biegegut (5) gerichtet wird, während die Richteinheit (3) von der Biegestation (2) weg oder auf die Biegestation (2) zu verfahren wird.
Method for operating a bending machine (1),
wherein a supplied Biegegut (5), in particular tubular Biegegut (5), with a straightening unit (3) of the bending machine (1) is directed and at a bending station (2) of the bending machine (1) with a plurality of bending units (6a-6c) meander-shaped plastic is deformed,
wherein at least a part of the bending units (6b, 6c) at the bending station (2) repeatedly between a first working position (AP1), in which the Biegegut (5) is taken before deformation, and a second working position (AP2), in which Biegegut (5) is released after deformation, moves,
characterized,
that with the straightening unit (3) Biegegut (5) is directed while the straightening unit (3) from the bending station (2) away or to the bending station (2) to proceed.
Verfahren nach Anspruch 1, dadurch gekennzeichnet,
dass während des Zurückfahrens der Biegeeinheiten (6b, 6c) an der Biegestation (2) von der zweiten Arbeitsposition (AP2) in die erste Arbeitsposition (AP1) mit der sich bewegenden Richteinheit (3) Biegegut (5) gerichtet wird,
insbesondere wobei die Richteinheit (3) von der Biegestation (2) weg verfahren wird.
Method according to claim 1, characterized in that
that is directed during retraction driving of the bending units (6b, 6c) at the bending station (2) from said second working position (AP2) in the first working position (AP1) with the moving straightening unit (3) Biegegut (5),
in particular, wherein the straightening unit (3) is moved away from the bending station (2).
Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet,
dass mit der sich bewegenden Richteinheit (3) Biegegut (5) gerichtet wird, während zumindest ein Teil der Biegeeinheiten (6a- 6c) gerade in einem Festklemmprozess, Einfädelprozess, Entklemmprozess oder Ausfädelprozess bezüglich des Biegeguts (5) ist,
insbesondere wobei die Richteinheit (3) von der Biegestation (2) weg verfahren wird.
Method according to claim 1 or 2, characterized
that bending material (5) is directed with the moving straightening unit (3), while at least a part of the bending units (6a-6c) is in a clamping process, threading process, unclamping process or threading process with respect to the material to be bent (5),
in particular, wherein the straightening unit (3) away from the bending station (2) is moved.
Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Biegegut (5) zwischen Biegestation (2) und Richteinheit (3) geklemmt gehalten wird, insbesondere mit einer Trenneinheit (8) oder einer Kerbeinheit (9), während mit der sich bewegenden Richteinheit (3) Biegegut (5) gerichtet wird.Method according to one of the preceding claims, characterized in that the Biegegut (5) between the bending station (2) and straightening unit (3) is kept clamped, in particular with a separation unit (8) or a notching unit (9), while with the moving straightening unit (3) Biegegut (5) is directed. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest während eines Teils der Zeit, in der die sich bewegende Richteinheit (3) Biegegut (5) richtet, das Biegegut (5) relativ zur Biegestation (2) ruht.Method according to one of the preceding claims, characterized in that at least during a part of the time in which the moving straightening unit (3) Biegegut (5), the Biegegut (5) relative to the bending station (2) rests. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass während des Biegeprozesses, in welchem die Biegeeinheiten (6b, 6c) von der ersten Arbeitsposition (AP1) in die zweite Arbeitsposition (AP2) verfahren, mit der sich bewegenden Richteinheit (3) Biegegut (5) gerichtet wird, insbesondere wobei die Richteinheit (3) auf die Biegestation (2) zu verfahren wird.Method according to one of the preceding claims, characterized in that during the bending process, in which the bending units (6b, 6c) move from the first working position (AP1) to the second working position (AP2), with the moving straightening unit (3) bending material ( 5), in particular wherein the straightening unit (3) is to be moved to the bending station (2). Biegemaschine (1) für die mäanderförmige plastische Verformung von Biegegut (5),
umfassend eine Richteinheit (3) und eine Biegestation (2) mit mehreren Biegeeinheiten (6a-6c),
insbesondere wobei zumindest ein Teil der Biegeeinheiten (6b, 6c) an der Biegestation (2) zwischen einer ersten Arbeitsposition (AP1), in welcher das Biegegut (5) vor einer Verformung ergriffen werden kann, und einer zweiten Arbeitsposition (AP2), in welcher das Biegegut (5) nach einer Verformung freigegeben werden kann, verfahrbar ist,
dadurch gekennzeichnet,
dass die Richteinheit (3) auf die Biegestation (2) zu und von der Biegestation (2) weg verfahrbar ausgebildet ist.
Bending machine (1) for the meandering plastic deformation of bending material (5),
comprising a straightening unit (3) and a bending station (2) with a plurality of bending units (6a-6c),
in particular wherein at least part of the bending units (6b, 6c) at the bending station (2) between a first working position (AP1), in which the Biegegut (5) can be grasped before deformation, and a second working position (AP2), in which the Biegegut (5) can be released after deformation, is movable,
characterized,
that the straightening unit (3) on the bending station (2) to and from the bending station (2) is formed movable away.
Biegemaschine (1) nach Anspruch 7, dadurch gekennzeichnet, dass die Richteinheit (3) motorisch verfahrbar ausgebildet ist.Bending machine (1) according to claim 7, characterized in that the straightening unit (3) is designed to be movable by a motor. Biegemaschine (1) nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Biegemaschine (1) eine Führung (4) aufweist, auf der die Richteinheit (3) auf die Biegestation (2) zu und von der Biegestation (2) weg verfahrbar ist, insbesondere wobei zumindest eine der Biegeeinheiten (6b) ebenfalls auf der Führung (4) verfahrbar ist.Bending machine (1) according to claim 7 or 8, characterized in that the bending machine (1) has a guide (4) on which the straightening unit (3) on the bending station (2) to and from the bending station (2) is movable away , In particular wherein at least one of the bending units (6b) is also movable on the guide (4). Biegemaschine (1) nach Anspruch 9, dadurch gekennzeichnet, dass auf der Führung (4) zwischen Biegestation (2) und Richteinheit (3) weiterhin eine Trenneinheit (8) und eine Kerbeinheit (9) angeordnet sind, die jeweils auch zum Klemmen des Biegeguts (5) ausgebildet sind.Bending machine (1) according to claim 9, characterized in that on the guide (4) between the bending station (2) and straightening unit (3) further comprises a separation unit (8) and a notching unit (9) are arranged, each also for clamping the Biegeguts (5) are formed. Biegemaschine (1) nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass eine Handhabungseinheit vorgesehen ist, mit der verformtes Biegegut (5) in Richtung von der Richteinheit (3) weg versetzt werden kann.Bending machine (1) according to one of claims 7 to 10, characterized in that a handling unit is provided, can be offset with the deformed Biegegut (5) in the direction of the straightening unit (3) away. Verwendung einer Biegemaschine (1) nach einem der Ansprüche 7 bis 11 in einem Verfahren nach einem der Ansprüche 1 bis 6.Use of a bending machine (1) according to one of Claims 7 to 11 in a method according to one of Claims 1 to 6.
EP20110161130 2010-04-26 2011-04-05 Method for operating a bending machine with movable straightening unit Not-in-force EP2380676B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010018394 DE102010018394B4 (en) 2010-04-26 2010-04-26 Method for operating a bending machine with a movable straightening unit

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EP2380676B1 EP2380676B1 (en) 2012-10-24

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN103934331A (en) * 2014-04-14 2014-07-23 吕琦滨 Linear type heating furnace tube bending technology
CN107790529A (en) * 2017-09-21 2018-03-13 中国工程物理研究院总体工程研究所 A kind of thin footpath guiding-tube bend coalignment

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Publication number Priority date Publication date Assignee Title
CN103934334B (en) * 2014-04-14 2015-09-16 楼碧云 A kind of bending process of linear pattern heating furnace tube

Citations (3)

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Publication number Priority date Publication date Assignee Title
FR2197668A1 (en) * 1972-08-31 1974-03-29 Tuyaux Bonna
DE3618580A1 (en) * 1986-06-03 1987-12-10 Siemens Ag Method and apparatus for the production of serpentine tubes or bars
DE10110217A1 (en) * 2001-03-04 2002-09-05 Paul-Gerhard Heuser Continuous bending device has at least one bender able to travel along longitudinal track and perpendicularly to it

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Publication number Priority date Publication date Assignee Title
DE202009011044U1 (en) * 2009-09-23 2009-12-10 Texmato Tec Gmbh Device for bending tubular or rod-shaped material

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FR2197668A1 (en) * 1972-08-31 1974-03-29 Tuyaux Bonna
DE3618580A1 (en) * 1986-06-03 1987-12-10 Siemens Ag Method and apparatus for the production of serpentine tubes or bars
DE10110217A1 (en) * 2001-03-04 2002-09-05 Paul-Gerhard Heuser Continuous bending device has at least one bender able to travel along longitudinal track and perpendicularly to it

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934331A (en) * 2014-04-14 2014-07-23 吕琦滨 Linear type heating furnace tube bending technology
CN103934331B (en) * 2014-04-14 2015-08-26 董璞玉 A kind of bending process of linear pattern heating furnace tube
CN107790529A (en) * 2017-09-21 2018-03-13 中国工程物理研究院总体工程研究所 A kind of thin footpath guiding-tube bend coalignment
CN107790529B (en) * 2017-09-21 2019-10-29 中国工程物理研究院总体工程研究所 A kind of thin footpath guiding-tube bend coalignment

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DE102010018394A1 (en) 2011-10-27
DE102010018394B4 (en) 2013-10-24

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