EP0826440B1 - Vorrichtung zum Formen von Metallprofilen - Google Patents

Vorrichtung zum Formen von Metallprofilen Download PDF

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Publication number
EP0826440B1
EP0826440B1 EP97401964A EP97401964A EP0826440B1 EP 0826440 B1 EP0826440 B1 EP 0826440B1 EP 97401964 A EP97401964 A EP 97401964A EP 97401964 A EP97401964 A EP 97401964A EP 0826440 B1 EP0826440 B1 EP 0826440B1
Authority
EP
European Patent Office
Prior art keywords
profile
mandrel
bending
punch member
jaws
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.)
Expired - Lifetime
Application number
EP97401964A
Other languages
English (en)
French (fr)
Other versions
EP0826440A1 (de
Inventor
Jean-Paul Huet
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.)
ACB
Original Assignee
ACB
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 ACB filed Critical ACB
Publication of EP0826440A1 publication Critical patent/EP0826440A1/de
Application granted granted Critical
Publication of EP0826440B1 publication Critical patent/EP0826440B1/de
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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/045—Closing or sealing means
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/047—Mould construction
    • 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
    • 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/08—Bending tubes using mandrels or the like in press brakes or between rams and anvils or abutments; Pliers with forming dies

Definitions

  • said part filling in elastic material is in two parts distinct, touching end to end once introduced in the profile, each part of said piece of filling with a channel opening to a single end and being blind at the opposite end, the end where the channel opens out being linked to a metal insert of jaw tightening and hydraulic pressure supply and equipped with a means of connection to means hydraulic pressurization, said metal insert penetrating into the corresponding end of the profile.
  • each part 20 A (20 B) of the filling part 20 is hollowed out with a blind channel 21 at one end and opening at the other.
  • it is equipped with means 23 for connection to a circuit hydraulics including 24 regulation and a pump hydraulic 25 ( Figures 2 and 3).
  • a counterform 15 with a recess 26 we have shown a counterform 15 with a recess 26.
  • hydraulic pressure P is sent, ensuring expansion of the filling part 20 and the plating of the profile 6 against the surfaces of the channel formed by form 3 and the platform 15 closed against each other.
  • Figure 7 is a section along VII-VII of the figure 6 but before the pressurization of the part 20 by the channel 21 while in FIG. 6 the filling part 20 is shown in expanded condition and the profile 6 plated against the walls of the canal.
  • An advantage of using the coin filling 20 for securing the profile 6 against the walls of its channel-shaped housing consists of that the profile does not need to be cleaned after its installation in shape since it is not in contact with the hydro-forming liquid, the two parts 20 A and 20 B of the piece of filling being waterproof.
  • the pressurization of channel 21 can be carried out at will before, simultaneously or successively with a drawing operation by the jaws 4.5 by means of the jacks 6.7.
  • Figures 8 and 9, respectively equivalent to Figures 6 and 7 show the case of bending and forming of a section 6 with open section.
  • This variant can in particular be used when the profile 1 to be formed is short in length.
  • the elastic filling part 20 is in one only part.
  • the effort F can be carried out only by a single end, in which case the other end is closed by a metal insert for clamping the jaws 4, solid, without piston tail hole, filler piece leaning directly against this insert.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (4)

  1. Ausrüstung zur Formung von metallischen Profilstücken (6) auf einer Zug-Biegemaschine, auf der ein zu bildendes Profilstück an seinen Enden mittels Backen (4, 5), die mit Zugzylindern (7, 8) und mit Biegemitteln (9, 10, 13, 14) verbunden sind, gegen eine konvexe Form (3) gehalten wird, die auf einem Werkzeugtisch (2) der Maschine befestigt ist, dadurch gekennzeichnet, dass sie umfasst eine Gegenform (15) und Mittel (16, 17) zum Bewegen der Gegenform gegen die Form (3), nachdem das Profilstück (6) an der Form (3) gebogen wurde, ein Füllstück (20) aus elastischem Material, das vorgesehen ist, im Inneren des Profilstücks (6) angebracht zu werden, und Mittel, die vorgesehen sind, das Füllstück einer Druck-Ausdehnung zu unterwerfen, so dass es das Profilstück fest gegen die inneren Flächen der Form und der Gegenform, die gegeneinander geschlossen sind drückt.
  2. Ausrüstung nach Anspruch 1, dadurch gekennzeichnet, dass das Füllstück (20) aus elastischem Material zwei verschiedene Teile (20A, 20 B) umfasst, die sich an den Enden berühren, nachdem sie in das Profilstück eingeführt wurden, wobei jeder Teil des Füllstückes einen Kanal (21) umfasst, der an einem einzigen Ende offen und am gegenüberliegenden Ende geschlossen ist, wobei das Ende, an dem der Kanal (21) mündet, mit einem metallischen Einsatzstück (22) zum Festspannen der Backen und zur Versorgung mit hydraulischem Druck verbunden und mit einem Verbindungsmittel (23) zu hydraulischen Mitteln (24, 25) zur Unterdrucksetzung ausgestattet ist, wobei das metallische Einsatzstück (22) in das entsprechende Ende des Profilstücks eindringt.
  3. Ausrüstung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Unterwerfen des Fülistückes (20) einer Druck-Ausdehnung einen Druckkolben (28) umfassen, der im inneren Profil des Profifstücks bearbeitet ist, wobei der Kolben einem Stoß F durch irgendein Mittel unterworfen ist.
  4. Ausrüstung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Gegenform (15) und eventuell auch die Form (3) eine Aussparung (26) umfassen.
EP97401964A 1996-08-30 1997-08-21 Vorrichtung zum Formen von Metallprofilen Expired - Lifetime EP0826440B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9610620A FR2752756B1 (fr) 1996-08-30 1996-08-30 Equipement pour le formage de profiles metalliques
FR9610620 1996-08-30

Publications (2)

Publication Number Publication Date
EP0826440A1 EP0826440A1 (de) 1998-03-04
EP0826440B1 true EP0826440B1 (de) 2003-07-02

Family

ID=9495318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97401964A Expired - Lifetime EP0826440B1 (de) 1996-08-30 1997-08-21 Vorrichtung zum Formen von Metallprofilen

Country Status (8)

Country Link
US (1) US5771730A (de)
EP (1) EP0826440B1 (de)
JP (1) JPH1085844A (de)
KR (1) KR19980019153A (de)
CA (1) CA2213687A1 (de)
DE (1) DE69723172T2 (de)
ES (1) ES2202563T3 (de)
FR (1) FR2752756B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10263712A (ja) * 1997-01-31 1998-10-06 Aluminum Co Of America <Alcoa> 重合体内部マンドレルによる金属物体の伸張成形方法
GB2350312A (en) * 1999-05-08 2000-11-29 Rover Group Die forming
DE10329719A1 (de) * 2003-07-02 2005-01-20 Daimlerchrysler Ag Rohrbogen
US7069761B2 (en) * 2004-05-05 2006-07-04 The Boeing Company Gripping apparatus and method
DE102005013689B3 (de) * 2005-03-21 2006-01-05 Forschungsgesellschaft Umformtechnik Mbh Vorrichtung und Verfahren zum Trennen oder Lochen eines nach dem Innenhochdruckumformverfahren hergestellten Werkstücks
US7340933B2 (en) * 2006-02-16 2008-03-11 Rohr, Inc. Stretch forming method for a sheet metal skin segment having compound curvatures
WO2009078158A1 (ja) * 2007-12-18 2009-06-25 K & I Inc. パイプの成形方法
DE102011101231A1 (de) * 2010-06-15 2011-12-15 Kiefel Gmbh Verfahren und Vorrichtung zum Recken und Formen eines Folienzuschnitts und hiermit hergestelltes Produkt
KR101298018B1 (ko) * 2012-12-06 2013-08-26 김환조 서보 모터와 감속기가 구비된 성형기
KR101465997B1 (ko) * 2012-12-13 2014-11-27 주식회사 성우하이텍 벤딩 프레스용 클램핑 장치
TWI528725B (zh) 2013-05-06 2016-04-01 國立中山大學 寬頻頻率合成器及其頻率合成方法
CN104307948A (zh) * 2014-09-26 2015-01-28 北京北方车辆集团有限公司 矩形空心型钢拉弯成型方法及其专用卡紧装置
CN104525646A (zh) * 2014-11-26 2015-04-22 安徽科瑞科技发展有限公司 拉弯装置和拉弯机
CN105598227B (zh) * 2016-03-29 2018-06-12 王志中 一种一体式拉弯机
KR101972063B1 (ko) * 2017-09-29 2019-04-24 동의대학교 산학협력단 벤딩기 및 벤딩공법
DE102017218420A1 (de) * 2017-10-16 2019-04-18 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen eines Bauteils
US11318520B2 (en) * 2018-12-30 2022-05-03 John Ralph Stewart, III Stretch forming method for a sheet metal skin with convex and concave curvatures
CN110385358B (zh) * 2019-07-25 2024-05-14 凌云工业股份有限公司汽车零部件研发分公司 一种汽车用s型铝合金型材保险杠的成型模具
CN111438237B (zh) * 2020-04-08 2025-11-28 福建理工大学 一种检测反馈成形控制的拉弯装置
CN111872184B (zh) * 2020-08-07 2024-09-24 大连交通大学 一种基于高频复合振动的辅助拉弯装置及方法
CN112474933B (zh) * 2021-01-06 2024-09-10 长春工业大学 一种基于多自由度模具结构的三维热拉弯成形装置
CN112756494A (zh) * 2021-01-29 2021-05-07 镇江远海包装有限公司 一种用于吨桶底板加工的自动冲压流水线
CN114247787A (zh) * 2021-12-17 2022-03-29 中航贵州飞机有限责任公司 一种槽形件数控拉弯用型面保持的加工方法
CN114850304B (zh) * 2022-04-28 2022-12-16 北京航空航天大学 一种航空变截面曲率构件的组合成形方法
DE102022114972B4 (de) * 2022-06-14 2024-07-25 Uniflex - Hydraulik GmbH Verfahren zur mehrachsigen Umformung eines hohlen Werkstücks
CN120001862B (zh) * 2025-03-10 2025-11-28 江阴标榜汽车部件股份有限公司 一种扁管成型装置和成型方法

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US2739634A (en) * 1950-09-02 1956-03-27 Richard Seifried Stretch-forming machine
US3396565A (en) * 1965-09-30 1968-08-13 L C Miller Co Apparatus for bending metal tubing
US4704886A (en) * 1985-04-22 1987-11-10 Aluminum Company Of America Stretch-forming process
US4827753A (en) * 1987-01-20 1989-05-09 The Cyril Bath Company Extrusion former with three-way powered movement
US4815308A (en) * 1987-01-20 1989-03-28 The Cyril Bath Company Method and apparatus for forming an elongate member into a predetermined shape
US4803878A (en) * 1987-01-20 1989-02-14 The Cyril Bath Company Method and apparatus for forming elongate tubular members into a predetermined shape while extrusion is gas pressurized and product
CA2023675C (en) * 1989-08-24 2001-07-31 Ralph E. Roper Apparatus and method for forming a tubular frame member
US5890387A (en) * 1989-08-24 1999-04-06 Aquaform Inc. Apparatus and method for forming and hydropiercing a tubular frame member
JPH0647453A (ja) * 1992-06-19 1994-02-22 Ishikawajima Harima Heavy Ind Co Ltd 管材の曲げ加工装置
US5396786A (en) * 1993-03-15 1995-03-14 Mueller Industries, Inc. Machine and method for manufacturing crossover fittings
DE9412978U1 (de) * 1994-07-23 1994-10-27 Huber & Bauer GmbH, 66763 Dillingen Vorrichtung zum Biegen von Rohren

Also Published As

Publication number Publication date
CA2213687A1 (fr) 1998-02-28
EP0826440A1 (de) 1998-03-04
FR2752756A1 (fr) 1998-03-06
DE69723172D1 (de) 2003-08-07
US5771730A (en) 1998-06-30
FR2752756B1 (fr) 1998-10-09
KR19980019153A (ko) 1998-06-05
JPH1085844A (ja) 1998-04-07
ES2202563T3 (es) 2004-04-01
DE69723172T2 (de) 2004-04-15

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