EP1767285B1 - Biegewerkzeug für Hydraulik-Bogenarmaturen - Google Patents

Biegewerkzeug für Hydraulik-Bogenarmaturen Download PDF

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Publication number
EP1767285B1
EP1767285B1 EP06119537A EP06119537A EP1767285B1 EP 1767285 B1 EP1767285 B1 EP 1767285B1 EP 06119537 A EP06119537 A EP 06119537A EP 06119537 A EP06119537 A EP 06119537A EP 1767285 B1 EP1767285 B1 EP 1767285B1
Authority
EP
European Patent Office
Prior art keywords
clamping
bending
bending tool
clamping piece
tool according
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.)
Not-in-force
Application number
EP06119537A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1767285A1 (de
EP1767285A8 (de
Inventor
Kornelius Siemens
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.)
Dipl Ing H Schulz HDS Hydraulic GmbH and Co KG
Original Assignee
H Schulz Hds Hydraulik & GmbH
Dipl Ing H Schulz HDS Hydraulic 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 H Schulz Hds Hydraulik & GmbH, Dipl Ing H Schulz HDS Hydraulic GmbH and Co KG filed Critical H Schulz Hds Hydraulik & GmbH
Priority to PL06119537T priority Critical patent/PL1767285T3/pl
Publication of EP1767285A1 publication Critical patent/EP1767285A1/de
Publication of EP1767285A8 publication Critical patent/EP1767285A8/de
Application granted granted Critical
Publication of EP1767285B1 publication Critical patent/EP1767285B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/02Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment

Definitions

  • the present invention relates to a bending tool for bending hydraulic arc fittings according to the preamble of claim 1.
  • a bending tool is known from the EP-A-0319400 known.
  • connection fittings For connection of relatively movable printing units, for example in construction machines, such as excavator arms, flexible, pressure-resistant hydraulic lines are required to supply movable drive cylinders with pressure medium. These cables are assembled with two end connection fittings. In many cases, at least one of the connection fittings is designed as a curved with a certain bending angle bend fitting to achieve a possible kink-free and possibly curved with the largest possible radius course of the line in the connected state. Each curved fitting consists of a curved tubular shaft and two opposite, thickened end portions with flange-like connecting elements.
  • the EP 0 737 526 A1 describes several different versions of a bending device for pipes, but especially only for longer, continuous pipes without end, by z. B. flange-type connecting elements thickened end portions.
  • Such simple tubes can - depending on the course of a dividing plane between the bending head and clamping piece - be bent by up to 180 ° or even more.
  • the known bending device is not suitable for bow fittings of the type explained here.
  • the known device In the tube clamping region, the known device has at least one additional clamping wedge, which can be inserted in the tube longitudinal direction into a corresponding recess in order to improve the clamping of the tube.
  • the present invention has for its object to provide a bending tool of the type mentioned in the preamble of claim 1, which is also suitable for bending bow fittings with a bending angle over 90 ° with structurally simple means and without disassembly.
  • the bending head in the clamping area has a displaceable relative to the thickened end region of the curved curved armature in the axial direction of the first end area in order to provide a clearance clearance Clamp on.
  • An inventive bending tool 1 is designed for bending hydraulic bow fittings.
  • a bow fitting 2 is exemplified in Fig. 3 shown. It consists of a tubular shaft 4 and two end portions 6, 8. In the end regions 6, 8 flange-like thickenings are present as connection or connection elements.
  • the shaft 4 of the curved fitting 2 is bent or bent at a certain bending angle ⁇ .
  • the bending tool 1 consists of a bending head 10 with a groove or channel-like, corresponding to a desired bending contour of the shaft 4 extending shank receptacle 12 and a clamping portion 14 for the first end portion 6 of the curved armature 2. Furthermore, the bending tool 1 consists of a clamping in the 14th for clamping the first end portion 6 of the curved armature 2 in the direction of arrow 15a against the bending head 10 pressable clamping piece 16 and a jib 18 for supporting conditioning of the second end portion 8 of the curved armature 2 during the bending process (see Fig. 3 ). The clamping piece 16 can be moved away from the bending head 10 after the bending operation in the direction of arrow 15b.
  • the bending head 10 in the clamping area 14 has a clamping carriage 24 displaceable relative to the curved curved armature 2 in order to provide a clearance clearance.
  • This clamping slide 24 is displaceable in the axial direction of the first end portion 6 of the curved armature 2 and in the direction of the adjacent shaft 4, preferably against spring force from a starting position for the bending operation in the direction of arrow 27 in a release position for removing the curved curved armature 2.
  • To generate the return -Federkraft is between the bending head 10 and the clamping slide 24 at least one compression spring 26, but preferably two compression springs 26, arranged (see Fig. 2 and 3 ).
  • a locking device 28 is provided such that the clamping slide 24 is blocked in the tensioned state of the clamping piece 16 against displacement and only after release of the clamping piece 16 is released to move.
  • the locking device 28 positive locking elements (30, 32) between the clamping piece 16 and the clamping slide 24 such that the positive-locking elements in the tensioned state of the clamping piece 16 (FIG. Fig. 2 ) in engagement and in the released state are at least as far out of engagement that the clamping slide 24 to create the release clearance in the direction of arrow 27 is displaceable.
  • the described form-locking elements consist in the illustrated embodiment of at least one approach 30 and a corresponding, the approach 30 receiving recess 32.
  • the Approach 30 aligned according to the direction of a clamping movement axis 34 of the clamping piece 16 (see Fig. 1 ).
  • the clamping slide 24 has the at least one projection 30 and the clamping piece 16 has the corresponding recess 32.
  • the shank receptacle 12 in the clamping area 14 enclosing clamping slide 24 with two lugs 30 in corresponding recesses 32 of the clamping piece 16 a; please refer Fig. 2 ,
  • the engagement contour of the interlocking elements 30, 32 is designed so that when dissolved clamping piece 16 sufficient movement play for moving the clamping carriage 24 is formed. According to Fig. 1 This can be realized by sloping edges 36 for expanding the recesses 32. In the tensioned state of the clamping piece 16, a positive locking of the clamping carriage 24 is ensured against displacement in the direction of arrow 27 by the interlocking elements 30, 32.
  • the clamping slide 24 is connected via a sliding guide 38 with the bending head 10.
  • the sliding guide 38 is designed in the form of a T-connection. Also, a dovetail joint or the like is suitable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Clamps And Clips (AREA)
EP06119537A 2005-09-21 2006-08-25 Biegewerkzeug für Hydraulik-Bogenarmaturen Not-in-force EP1767285B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06119537T PL1767285T3 (pl) 2005-09-21 2006-08-25 Narzędzie wyginające do hydraulicznej armatury kolankowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005014938U DE202005014938U1 (de) 2005-09-21 2005-09-21 Biegewerkzeug für Hydraulik-Bogenarmaturen

Publications (3)

Publication Number Publication Date
EP1767285A1 EP1767285A1 (de) 2007-03-28
EP1767285A8 EP1767285A8 (de) 2007-08-08
EP1767285B1 true EP1767285B1 (de) 2008-03-19

Family

ID=35512227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06119537A Not-in-force EP1767285B1 (de) 2005-09-21 2006-08-25 Biegewerkzeug für Hydraulik-Bogenarmaturen

Country Status (4)

Country Link
EP (1) EP1767285B1 (pl)
AT (1) ATE389474T1 (pl)
DE (2) DE202005014938U1 (pl)
PL (1) PL1767285T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545607B (zh) * 2020-06-19 2021-12-14 济南科德智能科技有限公司 一种钢管折弯加工设备
CN111545606B (zh) * 2020-06-19 2021-12-03 项军炎 一种钢管折弯加工工艺
CN116393606B (zh) * 2023-04-21 2025-07-08 浙江长兴和良智能装备有限公司 一种卡压弯头加工设备及其加工方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0319400A1 (fr) * 1987-12-02 1989-06-07 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Outillage de cintrage de canalisations et procédé de fabrication d'une canalisation à embout soudé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187963A (en) * 1992-06-12 1993-02-23 Moiron Tube bending die
NL1000150C1 (nl) * 1995-04-13 1996-10-15 Busschers Metaalbedrijf Bv Inrichting voor het buigen van pijpen.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0319400A1 (fr) * 1987-12-02 1989-06-07 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Outillage de cintrage de canalisations et procédé de fabrication d'une canalisation à embout soudé

Also Published As

Publication number Publication date
DE202005014938U1 (de) 2005-12-22
DE502006000490D1 (de) 2008-04-30
EP1767285A1 (de) 2007-03-28
ATE389474T1 (de) 2008-04-15
EP1767285A8 (de) 2007-08-08
PL1767285T3 (pl) 2008-08-29

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