EP3269466A1 - Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis - Google Patents

Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis Download PDF

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Publication number
EP3269466A1
EP3269466A1 EP17175798.2A EP17175798A EP3269466A1 EP 3269466 A1 EP3269466 A1 EP 3269466A1 EP 17175798 A EP17175798 A EP 17175798A EP 3269466 A1 EP3269466 A1 EP 3269466A1
Authority
EP
European Patent Office
Prior art keywords
bending
wire
punch
welding machine
lattice girder
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
EP17175798.2A
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German (de)
English (en)
Other versions
EP3269466B1 (fr
Inventor
Matthias Motz
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.)
MBK Maschinenbau GmbH
Original Assignee
MBK Maschinenbau GmbH
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.)
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Application filed by MBK Maschinenbau GmbH filed Critical MBK Maschinenbau GmbH
Publication of EP3269466A1 publication Critical patent/EP3269466A1/fr
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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
    • 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
    • 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
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • B21D11/07—Making serpentine-shaped articles by bending essentially in one plane

Definitions

  • the invention relates to a bending device for bending a wire for a lattice girder welding machine, as well as a lattice girder welding machine with such a bending device.
  • a known bending device for bending a wire for a lattice girder welding machine comprises a feed unit, for moving the wire along a feed direction, two spaced apart in the feed direction clamps for holding the wire, wherein a clamping device is designed parallel to the feed direction displaceable and a bending punch with a bending surface for bending of the wire.
  • the bending punch is present between the two clamping devices and arranged so that it is acting transversely to the feed direction acting on the wire.
  • the bending punch is further mounted with its bending surface of the opposite available end rotatably mounted on the lattice girder welding machine.
  • a movement of the punch and a movement of the feed unit of the known bending device in particular run mechanically independently.
  • the invention is based on the object to provide an alternative bending device for bending a wire for a lattice girder welding machine.
  • the invention is based on a bending device for bending a wire for a lattice girder welding machine, wherein the bending device comprises two clamping units for clamping the wire, wherein a first clamping unit is positionally fixed in the direction of a bending distance and a second clamping unit is provided parallel to the bending path, wherein the Bending distance in a feed direction of the wire is parallel to a longitudinal axis of the bent wire to see, wherein the bending device comprises a bending punch, wherein the bending device has a bending surface over which the wire during the bending operation, wherein the bending punch between the first and the second clamping unit present and wherein the bending punch is pivotally attachable to a machine frame of the lattice girder welding machine at a second end.
  • a lattice girder welding machine comprises inter alia a machine frame to which the bending device can be arranged.
  • the bending surface is advantageously designed as a particular fixed bending roller.
  • the bending surface is designed, for example, curved.
  • the bending punch consists for example of a particular hydraulic bending cylinder with a bending piston, wherein e.g. on the bending piston, the bending surface is present.
  • the essence of the invention lies in the fact that a displacement unit is provided, which is connected by means of a pivoting arm movable with a first end of the punch.
  • the displacement unit is mechanically connected to the bending punch.
  • the second clamping unit is mechanically connected to the bending punch via the displacement unit.
  • the bending punch is advantageously connected to the first end rotatably connected to the swivel arm on a pivot bearing of the swivel arm.
  • a movement of the displacement unit is coupled with a movement of the second clamping unit.
  • the displacement unit is advantageously movable parallel to the feed direction, in particular the displacement unit is coupled to the second clamping unit.
  • a displacement speed of the displacement unit may be the same or different as a displacement speed of the second clamping unit.
  • the displacement speeds are advantageously unequal. If the displacement unit is coupled to the second clamping unit, preferably the direct distance between the pivot bearing of the pivot arm and a terminal of the second clamping unit does not change during a bending operation.
  • a clamp of the first and second clamping unit is provided to clamp the wire and thus advantageously hold.
  • the swivel arm may be used as a profile and / or as a carrier, e.g. be designed as a T-profile carrier.
  • the swivel arm is dimensionally stable, bar-shaped and / or rod-like.
  • the swivel arm can also be formed from a plurality of, in particular, side by side support elements.
  • a further advantageous embodiment of the invention is that the bending surface, over which the wire extends, offset to a longitudinal axis of the bending punch, is arranged at a first end of the bending punch.
  • the bending surface is present at the bending punch, in particular the bending surface can be fixed at the first end of the bending punch, e.g. bolted and / or welded.
  • a further advantageous modification of the invention is that the bending punch can be arranged pivotably on the machine frame and the bending punch can be positioned such that a predetermined distance of the bending surface to a bending point of the wire is adjustable before the start of the bending operation.
  • a movement of the second clamping unit in the feed direction starts asynchronous, with a time offset, or with different accelerations to a bending movement of the punch, eg due to different signal lengths or due to different drives.
  • the feed device can be designed to be drivable, for example, by an electric motor and the punch, for example, by a pneumatic. Both the feed unit, as well as the punch can be driven by an electric, hydraulic and / or pneumatic drive.
  • a vertical distance of the bending surface to the bending point is adjustable.
  • a distance of the bending surface to the bending point perpendicular to the feed direction in a plane of movement, which span the second clamping unit and the punch is meant.
  • the bending punch is pivotable on the machine frame can be arranged and positioned so that before the start of a bending operation, a distance of the bending surface to a bending point of the wire does not exceed a predetermined value.
  • the second clamping unit is moved.
  • the predetermined value may be formed depending on an angular position of the longitudinal axis of the punch to the feed direction, in particular of the angular position before the start of the bending operation.
  • the predetermined value of the distance of the bending surface to the bending point before the start of the bending process is for example in a range between 0.1 mm to 2 mm, 0.2 mm to 1.5 mm and / or 0.5 mm to 1 mm.
  • the predetermined distance value is, for example, 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm or 1 mm, in particular 0 , 5 mm.
  • the bending punch with a second end in a direction parallel to the feed direction of the wire and / or parallel to the longitudinal axis of the bent wire slidably on the machine frame can be arranged.
  • the bending device comprises an adjusting device for linear adjustment of the bending punch parallel to the feed direction of the wire and / or parallel to the longitudinal axis of the bent wire.
  • the bending punch can be fastened to the machine frame via the adjusting device.
  • the adjusting device is designed, for example, as a carriage, which can be arranged movable and / or positionable on the machine frame parallel to the feed direction.
  • the displacement unit in an adjustable direction perpendicular to the bending path or to the feed direction of the wire on the machine frame and / or the second clamping unit can be arranged.
  • the displacement unit is designed to be displaceable in a direction perpendicular to the feed direction.
  • a distance between the second clamping unit and the displacement unit is adjustable in particular in a direction perpendicular to the feed direction of the wire in the plane of movement of the second clamping unit and the bending punch.
  • the bending surface over which the wire extends is offset relative to a longitudinal axis B of the bending punch in the direction of the first clamping unit at the first end of the bending punch.
  • the bending surface in particular at the end of the bending process, occupy a position above the first clamping unit, viewed perpendicular to the feed direction.
  • the bending surface is provided on the bending punch in such a way that the bending surface, during the bending operation, in particular at the end of the bending operation, assumes a position which is farther from a clamp of the second clamping unit than the clamp of the first clamping unit.
  • a distance of the bending surface to the terminal of the first clamping device is smaller than a distance of the pivot bearing of the pivot arm to the terminal of the first clamping device.
  • pivot arm is pivotally mounted with its first end to the displacement unit and with its, the first end formed opposite, second end pivotally mounted on the first end of the punch.
  • the pivot arm is rotatably connected to a first pivot bearing or pivotally connected to the displacement unit and to a second pivot bearing with the bending punch.
  • pivot axes and / or rotational axes of the two pivot bearings are mutually firmly spaced.
  • the bending surface is present on the swivel arm.
  • the bending surface is attached to the pivot arm, for example screwed and / or welded.
  • the bending surface forms an extension of the pivot arm, in particular in the direction of the first clamping unit.
  • pivot arm is L-shaped.
  • the first pivot axis of the pivot arm is formed at the first end of a long branch of the L-shaped pivot arm and the second pivot axis at an interface of the long branch of the L-shaped pivot arm with a short branch of the L-shaped pivot arm.
  • the interface is present opposite the first end of the long branch.
  • the bending punch is rotatably and / or pivotally mounted on the second pivot axis.
  • a longitudinal axis of the long and a longitudinal axis of the short branch of the L-shaped pivot arm are advantageously at an angle not equal to 0 ° to each other.
  • the interface opposite end of the short branch of the L-shaped pivot arm advantageously the bending surface is present.
  • the swivel arm is bent and / or angled.
  • the swivel arm is designed such that in an end position of the bending operation, the swivel arm engages behind the first clamping unit on the side facing away from the second clamping unit.
  • the bending surface present on the swivel arm for example, engages behind the first clamping unit, advantageously the clamp of the first clamping unit.
  • a bending device 1 for bending a bending wire 11, 12 comprises a first clamping unit 2, a second clamping unit 3, a bending punch 4 and a displacement unit 5 with a pivoting arm 6 (FIG. FIG. 1 ).
  • the bending device 1 can be arranged on a frame 7 of a lattice girder welding machine 8 ( FIG. 6 ).
  • the first clamping unit 2 fixed in position.
  • the second clamping unit 3 and / or the displacement unit 5 is for example parallel to a feed direction V of the bending wire 11, 12 on the lattice girder welding machine 8 available.
  • the displacement unit 5 may still be present on the frame 7 of the lattice girder welding machine 8, so that a perpendicular to the feed direction V distance to the second clamping unit 3 is adjustable.
  • the second clamping unit 3 and / or the displacement unit 5 are displaceably arranged on the frame 7 on rail elements 13, 14. The bending wire 11, 12 is moved during the processing of the bending wire 11, 12 in the bending machine in the feed direction V by the lattice girder welding machine or pushed.
  • the bending path extends between a clamp 25 of the first clamping unit 2 and another clamp 26 of the second clamping unit 3.
  • the bending path is thus along the feed direction V between the two clamping units 2, 3 and in particular does not correspond to a distance which traverses a bending point 23, 24 of the bending wire 11, 12 during a bending operation in a direction perpendicular to the feed direction V of the bending wire 11, 12.
  • a bending distance is thus the area along the feed direction V to see in which the bending wire 11, 12 is bent.
  • This range decreases during the bending operation from a bending start position of the second clamping unit 3 to a bending end position of the second clamping unit 3.
  • the clamps 25 and 26 of the two clamping units 2, 3 clamp the bending wire 11, 12 during the bending operation and hold the bending wire 11 , 12 each at a terminal point of the terminals 25, 26 fixed to the clamping units 2, 3.
  • the clamp 26 of the clamping unit 3 is shown transparent for better understanding.
  • the displacement unit 5 and the second clamping unit 3 are in particular mechanically independent of each other displaceable on the frame 7 available. It is also conceivable that the second clamping unit 3 is displaceably provided on the frame 7 and the displacement unit 5 is formed relative to the second clamping unit 3 positionable on the second clamping unit 3. In this case, it is conceivable that the displacement unit 5 is, for example, additionally guided via a rail element 14 on the frame 7.
  • the bending punch 4 comprises two, for example, hydraulic bending cylinders 18, 19.
  • a bending cylinder 18, 19 is a bending piston 20, 21 in particular linearly displaceable available.
  • the bending cylinders 18, 19 are also present spaced apart from each other so that in a bending operation, the second clamping unit 3 between the bending cylinders 18, 19 can be moved.
  • the bending punch 4 is pivotally arranged with a second end 15 on the frame 7 of the lattice girder welding machine 8, in particular positionable.
  • the bending punch 4 is arranged on the lattice girder welding machine 8, so that it can be brought to a bending operation with its second end 15, in particular in a direction parallel to the feed direction V of the bending wire 11, 12 on the frame 7 in a functional position.
  • the functional position is matched, for example, to a geometry of the bent bending wire 11, 12. As a result, a variety of geometries of the bent bending wire 11, 12 is increased.
  • the bending punch 4 by the positioning of the second end 15 of the punch 4 a, in particular to the feed direction perpendicular distance A of a bending surface 16, 17 of the bending device 1 to the bending point 23, 24 of the bending wire 11, 12 adjustable in a bending start position of the bending device 1 ( FIGS. 4 and 5 ).
  • the bending punch 4 with its second end 15 during the bending operation fixed position on the frame 7 of the lattice girder welding machine 8 is present.
  • the bending punch 4 during the bending operation a pivoting movement in the direction of the first clamping unit 2 about a pivot axis from, wherein the pivot axis at the second end 15 of the punch 4 is present.
  • the bending punch 4 is pivotally connected at its first end 22 with ends of the bending piston 20, 21 via a pivot axis 10 with the pivot arm 6. Due to the bearing of the punch 4 with the second end 15 on the frame 7 and the first end 22 on the pivot axis 10, a main force direction of the punch 4 is advantageously on the bending wire 11, 12 perpendicular to the feed direction V of the bending wire 11, 12 specified.
  • the pivot arm 6 is pivotable about a further pivot axis 9, in particular rotatably connected to the displacement unit 5.
  • the pivot axes 9 and 10 are fixedly spaced from each other.
  • the pivot arm 6 is formed of a steel beam.
  • the bending surface 16, 17 of the swivel arm 6 during the bending operation advantageously describes a circular path with a circular path radius which corresponds to the direct distance between the pivot axis 9 and the bending surface 16 17 corresponds.
  • a distance of the displacement unit 5 relative to the terminal 25 of the first clamping unit 2 changes during the bending process. It is conceivable, for example, that the distance of the displacement unit 5 relative to the terminal 25 of the first clamping unit 2 during the bending process from a start position ( FIG. 3 ) first reduced and in particular after reaching an end position of the bending piston 20, 21 of the punch 4 ( FIGS. 1 and 2 ) enlarged again, or vice versa.
  • FIGS. 3 to 5 show the bending device 1 in the starting position at the beginning of the bending process.
  • the bending punch 4 is in the retracted state.
  • This means the Bending piston 20, 21 are in particular completely retracted in the bending cylinders 18, 19.
  • a longitudinal axis of the pivot arm 6 is aligned approximately parallel to the feed direction V of the bending wire 11, 12 in the starting position.
  • the bending surface 16, 17 are spaced apart from the bending points 23, 24 in the starting position.
  • the bending surface 16, 17 acts on the bending point 23, 24 on the bending wire 11, 12 during the bending operation, so that during the bending operation slipping of the bending point 23, 24 of the bending wire 11, 12 along the bending surface 16, 17 is prevented.
  • the bending wire 11, 12 in FIG. 6 is shown schematically for clarity of the viewer, shown bent throughout.
  • the bending wire 11, 12 is first bent by the bending device 1 and thus is in an opposite direction to the feed direction V in front of the bending surfaces 16, 17 unbent and straight. This would be the bending wire, in particular the course of the bending wire in the lattice girder welding machine 8 for a viewer of the lattice girder welding machine 8 in the in FIG. 6 shown perspective view in reality not clearly visible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP17175798.2A 2016-07-15 2017-06-13 Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis Active EP3269466B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016113036.2A DE102016113036A1 (de) 2016-07-15 2016-07-15 Biegevorrichtung zum Biegen eines Drahts für eine Gitterträgerschweißmaschine

Publications (2)

Publication Number Publication Date
EP3269466A1 true EP3269466A1 (fr) 2018-01-17
EP3269466B1 EP3269466B1 (fr) 2020-04-22

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ID=59055123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17175798.2A Active EP3269466B1 (fr) 2016-07-15 2017-06-13 Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis

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EP (1) EP3269466B1 (fr)
DE (1) DE102016113036A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113036A1 (de) 2016-07-15 2018-01-18 Mbk Maschinenbau Gmbh Biegevorrichtung zum Biegen eines Drahts für eine Gitterträgerschweißmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442929A1 (de) * 1993-12-27 1995-06-29 Filzmoser Maschinenbau Ges M B Biegemaschine zum Biegen von Diagonalstäben für Gitterträger o. dgl.
DE102013112482A1 (de) * 2013-01-16 2014-07-17 Franz Filzmoser Vorrichtung zum Biegen von Bügeldrähten für Gitterträger
EP2789406A1 (fr) * 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT365486B (de) 1979-08-03 1982-01-25 Evg Entwicklung Verwert Ges Maschine zum selbsttaetigen herstellen von geschweissten gittertraegern
AT511656B1 (de) 2011-06-30 2015-01-15 Progress Maschinen & Automation Ag Verfahren und einrichtung zur kontinuierlichen herstellung eines gitterträgers
EP3888813B1 (fr) 2015-09-09 2022-09-07 EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. Dispositif de cintrage pour la fabrication d'une poutre a treillis continue
DE102016113036A1 (de) 2016-07-15 2018-01-18 Mbk Maschinenbau Gmbh Biegevorrichtung zum Biegen eines Drahts für eine Gitterträgerschweißmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442929A1 (de) * 1993-12-27 1995-06-29 Filzmoser Maschinenbau Ges M B Biegemaschine zum Biegen von Diagonalstäben für Gitterträger o. dgl.
DE102013112482A1 (de) * 2013-01-16 2014-07-17 Franz Filzmoser Vorrichtung zum Biegen von Bügeldrähten für Gitterträger
EP2789406A1 (fr) * 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Also Published As

Publication number Publication date
EP3269466B1 (fr) 2020-04-22
DE102016113036A1 (de) 2018-01-18

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