EP1405680A1 - Machine à cintrer avec une tête à cintrer rotative - Google Patents

Machine à cintrer avec une tête à cintrer rotative Download PDF

Info

Publication number
EP1405680A1
EP1405680A1 EP02022075A EP02022075A EP1405680A1 EP 1405680 A1 EP1405680 A1 EP 1405680A1 EP 02022075 A EP02022075 A EP 02022075A EP 02022075 A EP02022075 A EP 02022075A EP 1405680 A1 EP1405680 A1 EP 1405680A1
Authority
EP
European Patent Office
Prior art keywords
drive motor
tool
bending
line
bending machine
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
EP02022075A
Other languages
German (de)
English (en)
Other versions
EP1405680B1 (fr
Inventor
Frank Schmauder
Jürgen Wolf
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.)
Trumpf Rohrtechnik GmbH and Co KG
Original Assignee
Trumpf Rohrtechnik GmbH and Co KG
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 Trumpf Rohrtechnik GmbH and Co KG filed Critical Trumpf Rohrtechnik GmbH and Co KG
Priority to DE50205694T priority Critical patent/DE50205694D1/de
Priority to EP20020022075 priority patent/EP1405680B1/fr
Publication of EP1405680A1 publication Critical patent/EP1405680A1/fr
Application granted granted Critical
Publication of EP1405680B1 publication Critical patent/EP1405680B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

Definitions

  • the invention relates to a bending machine for bending rod-shaped and / or rod-like workpieces, in particular pipes, with a frame and with at least one bending tool having tool unit on the remote from the frame Side of a support arm, which is parallel to the longitudinal direction the workpieces to be processed between the frame and the Tool unit extends, wherein at least one tool drive motor provided for actuating a bending tool and the tool unit by means of at least one rotary drive motor around a parallel to the longitudinal direction of the processed Workpieces extending axis of rotation relative to the frame rotatable is.
  • Such a pipe bending machine is disclosed in DE 40 10 445 A1.
  • the previously known machine comprises a tool unit, the via a support arm in the form of a bending table with a frame connected is.
  • the tool unit is in common with the Bending table around a parallel to the axis of the machined Tubes extending rotation axis rotatable.
  • rotation of the unit from bending table and tool unit can depend on from the processing to be done one of two to each other provided opposite sides of the tool unit bending tools be transferred to its functional position. It This allows either right or left bends as well Create bends with different bending radii.
  • the rotary drive motor for rotation of bending table and tool unit is in the frame of the prior art machine, a tool drive motor for actuating the bending tools of the tool unit housed in the bending table.
  • the bending machine according to claim 1. Accordingly, within the meaning of the invention at least one rotary drive motor of the tool unit as well at least one tool drive motor for actuating a bending tool in the immediate vicinity of each to be driven Machine part arranged.
  • the frame of the invention can also Build bending machine small. Functionally, this can be Stand rigorously on its supporting tasks restrict.
  • Claim 2 describes the preferred form according to the invention the connection of the tool drive motors or with a associated energy source. This results in the rotation a tool drive motor, a relative movement between the motor-side part of at least one power supply line and the cable part remote from the tool drive motor. This circumstance is determined by appropriate dimensioning of the length of the Power supply line between the drive motor side and taken into account to the energy source lying towards the line part. With structurally simple means so a functionally reliable Energy coupling in the relevant tool drive motor regardless of this rotational mobility ensured.
  • a guide a leadership chain is provided as a guide a leadership chain.
  • guide chains provide for a guided movement the relevant line section of the power supply line; on the other hand they protect the guided line section against harmful external influences, in particular damage.
  • the drive technology for the tool unit or at least one of Concentrate bending tools outside the machine frame is in the case of Erfindungsbauart according to claim 5 provided that the line section between the to the Energy source lying line part and the drive motor side the power supply line, possibly also the Cable routing, runs on the support arm.
  • the according to claim 6 provided on the support arm line recording ensures it for a defined placement of said line section the power supply line or the wiring.
  • the cable receptacle on the support arm is erf indungslock designed such that a protected housing of the Wiring or the relevant line section of the Power supply line is ensured without the compact design of the overall arrangement would be impaired.
  • At least one power supply line further connecting lines provided for at least one tool drive motor and as described in detail above Trained features of the power supply line.
  • a bending machine 1 for processing pipes a frame 2 with a pipe feed 3 and a tool unit 4 on.
  • tube 5 is indicated in Fig. 2.
  • the pipe feed 3 comprises a feed carriage 6, which is shown in FIG. 1 largely concealed by a machine cover 7 and on his visible front is provided with a collet 8.
  • the feed carriage 6 is on the frame 2 in the longitudinal direction 9 to machining tubes 5 back and forth movable.
  • the collet 8 used in the usual way for holding the tool unit 4 distal ends of the tubes 5 and is in the direction of a Double arrow 10 rotatable.
  • the bending tools 11, 12 are conventional Rotationszugbiegewerkmaschinee, the tool parts as one each Bending die, have a jaw and a slide rail.
  • the bending tool 11 comprises a bending die 13, a clamping jaw 14 and a slide rail 15, the bending tool 12, a bending die 16, a clamping jaw 17 and a slide rail 18.
  • the jaws 14, 17 are on a bending arm 19th the tool unit 4 in the direction of a double arrow 20 slidably. Accordingly, the slide rails 15, 18 on a Guide member 21 of the tool unit 4 movable.
  • the bending dies 13, 16 can be rotated about a common bending axis 22.
  • the bending arm 19 is pivotable about the bending axis 22.
  • a Tool drive motor 23 causes.
  • a tool drive motor 24 for execution the rectified translational movement of the slide rails 15, 18 a tool drive motor 25, which in Fig. 1 of the Tool drive motor 24 is covered.
  • a Tool drive motor for translational movement of the slide rails 15, 18 in the longitudinal direction 9 of the tubes 5 to be processed be provided.
  • Fig. 1 are all tool drive motors 23, 24, 25 integrated into the tool unit 4.
  • the tool unit 4 including the tool drive motors 23, 24, 25 about an axis of rotation 26 in the direction of a double arrow 27 rotatable.
  • the tool unit 4 on a support arm 28 in the direction of Double arrow 27 movably mounted.
  • a rotary drive motor 29 the tool unit 4 is shown in FIG. 5 in the interior of the Support arm 28 housed.
  • the geometric axis of its motor shaft coincides with the axis of rotation 26 of the tool unit 4.
  • the storage of the tool unit 4 on the support arm 28 takes place via a rotatable mounting flange 30.
  • the Rotary drive motor 29 and the tool drive motors 23, 24, 25 are compact electric motors.
  • the support arm 28 is in turn at one end of a pivot carrier 31 attached.
  • the pivoting support 31 in turn is one Schwenkanyfiberachse 32 rotatably mounted on the frame 2. All in all, the tool unit 4 thus has two axes of rotation, namely, on the one hand, the axis of rotation 26 and the other the pivot carrier axis of rotation 32nd
  • the respective slide rail 15, 18 is by means of the tool drive motor 25 in a tubular position method, when they take the tube 5 in its transverse direction can support.
  • the in-function Bending die 13, 16 by means of the tool drive motor 23 rotated about the bending axis 22 and at the same time the bending arm 19 pivoted about the bending axis 22.
  • the rotational mobility of the tool unit 4 with respect to the axis of rotation 26 and the pivot support axis 32 is used to the intended for workpiece machining bending tool 11, 12 opposite the tube 5 in the functional position to convict.
  • the kinematics of the tool unit 4 at initial Bending of the tube 5 by means of the bending tool 11 and subsequent processing by means of the bending tool 12 is illustrated in FIG. This transition from the Bending tool 11 on the bending tool 12 is completed, if to create successive bends in opposite directions are. In the example shown is with the change the bending direction also a change in the bending radius' connected.
  • the bending die 13 of the bending tool 11 forms a larger bending radius than the bending die 16 of the bending tool 12th
  • the bending tool 11 After creating a first bend on the tube 5 (partial view 1 of Fig. 2), the bending tool 11 is open. To This purpose, the jaw 14 and the slide 15 moved into a non-functional out of order position. After that will the tool unit 4 while rotating about the rotation axis 26 and Pivoting about the pivot support pivot 32 moves to a position in which the bending die 13 of the bending tool 11 the Pipe 5 releases and the entire tool unit 4 for transfer of the bending tool 12 is rotated in a tubular position or can be pivoted (partial views 2 to 4 of FIG. 2).
  • the tool drive motors 23, 24, 25 on the tool unit 4 and the rotary drive motor 29 on the support arm 28 are during the rotary or pivoting movement of the tool unit 4 with her Energy source connected.
  • For this purpose run between the Frame 2 and the support arm 28 or the tool unit 4 power supply lines, which is guided by the pivot carrier 31 are.
  • Tragarm nurse 31 terminals are on the pivot support provided, from which portions of the power supply lines to the rotary drive motor 29 and to the tool drive motors 23, 24, 25 lead.
  • the power supply lines for the tool drive motors 23, 24, 25 run starting from the mentioned terminals inside guide chains 34, 35 ( Figures 3 to 5). Such leadership chains are described in detail in DE 43 02 757 C1, for example.
  • the guide chains 34, 35 and housed in the interior Power supply lines run in a loop on the outer wall of a housing formed by the support arm 28 36 for the rotary drive motor 29.
  • the tubular housing 36th is frame side rigidly connected to the pivot support 31.
  • On its end facing the tool unit 4 end supports and leads the housing 36 the bearing flange 30, via which the tool unit 4 rotatable about the axis of rotation 26 with the pivot carrier 31st connected is.
  • Rotatable with the bearing flange 30 are terminals 37, 38, with which the power supply lines of the Tool drive motors 23, 24, 25 on their drive motor side are provided.
  • the Guide chains 34, 35 also control lines for the tool drive motors 23, 24, 25 on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP20020022075 2002-10-02 2002-10-02 Machine à cintrer avec une tête à cintrer rotative Expired - Lifetime EP1405680B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50205694T DE50205694D1 (de) 2002-10-02 2002-10-02 Biegemaschine mit drehbarer Werkzeugeinheit
EP20020022075 EP1405680B1 (fr) 2002-10-02 2002-10-02 Machine à cintrer avec une tête à cintrer rotative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20020022075 EP1405680B1 (fr) 2002-10-02 2002-10-02 Machine à cintrer avec une tête à cintrer rotative

Publications (2)

Publication Number Publication Date
EP1405680A1 true EP1405680A1 (fr) 2004-04-07
EP1405680B1 EP1405680B1 (fr) 2006-01-25

Family

ID=31985038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020022075 Expired - Lifetime EP1405680B1 (fr) 2002-10-02 2002-10-02 Machine à cintrer avec une tête à cintrer rotative

Country Status (2)

Country Link
EP (1) EP1405680B1 (fr)
DE (1) DE50205694D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009038384A1 (de) * 2009-08-24 2011-03-03 Tracto-Technik Gmbh & Co. Kg Vorrichtung zum Biegen länglicher Werkstücke
EP2756891A1 (fr) * 2013-01-21 2014-07-23 WAFIOS Aktiengesellschaft Dispositif de pliage de pièces usinées en forme de tige

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006029749B4 (de) * 2006-06-28 2010-01-28 Chiao Sheng Machinery Co. Ltd. Anordnung der Biege- und Pressräder-Sätze einer Rohrbiegemaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4010445A1 (de) * 1990-03-13 1991-09-19 Mewag Maschinenfabrik Ag Rohrbiegemaschine
DE4302757C1 (de) * 1993-02-01 1994-03-17 Igus Gmbh Kabelführung
US6192728B1 (en) * 2000-05-30 2001-02-27 Yin Lin Machine Industrial Co., Ltd Pipe bending machine accurately controlling bent angles of pipes
EP1226887A1 (fr) * 2001-01-30 2002-07-31 BLM S.p.A. Machine pour le cintrage d'objets allongés, notamment tuyaux, barres, profilés ou fils metalliques

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4010445A1 (de) * 1990-03-13 1991-09-19 Mewag Maschinenfabrik Ag Rohrbiegemaschine
DE4302757C1 (de) * 1993-02-01 1994-03-17 Igus Gmbh Kabelführung
US6192728B1 (en) * 2000-05-30 2001-02-27 Yin Lin Machine Industrial Co., Ltd Pipe bending machine accurately controlling bent angles of pipes
EP1226887A1 (fr) * 2001-01-30 2002-07-31 BLM S.p.A. Machine pour le cintrage d'objets allongés, notamment tuyaux, barres, profilés ou fils metalliques

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009038384A1 (de) * 2009-08-24 2011-03-03 Tracto-Technik Gmbh & Co. Kg Vorrichtung zum Biegen länglicher Werkstücke
EP2289643A3 (fr) * 2009-08-24 2011-10-05 Tracto-Technik GmbH & CO. KG Dispositif pour le pliage de longues pièces usinées
EP2756891A1 (fr) * 2013-01-21 2014-07-23 WAFIOS Aktiengesellschaft Dispositif de pliage de pièces usinées en forme de tige
DE102013200850A1 (de) * 2013-01-21 2014-07-24 Wafios Aktiengesellschaft Vorrichtung zum Biegen strangförmiger Werkstücke
DE102013200850B4 (de) * 2013-01-21 2015-01-22 Wafios Aktiengesellschaft Vorrichtung zum Biegen strangförmiger Werkstücke

Also Published As

Publication number Publication date
DE50205694D1 (de) 2006-04-13
EP1405680B1 (fr) 2006-01-25

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