EP1272293A1 - Bending machine for rods with resettable folding shank - Google Patents
Bending machine for rods with resettable folding shankInfo
- Publication number
- EP1272293A1 EP1272293A1 EP01919587A EP01919587A EP1272293A1 EP 1272293 A1 EP1272293 A1 EP 1272293A1 EP 01919587 A EP01919587 A EP 01919587A EP 01919587 A EP01919587 A EP 01919587A EP 1272293 A1 EP1272293 A1 EP 1272293A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nose
- bending
- loop
- spinner
- axis
- 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
Links
- 238000005452 bending Methods 0.000 title claims abstract description 51
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
Definitions
- the present invention relates to an improvement for a numerically controlled machine for bending, forming, bending or bending bars or profiles.
- the invention also relates to methods for controlling said machine.
- a part comprising both large spokes with a large winding angle and low value spokes FOLLOWED by short straight lengths poses problems of variation in bending finger / bending nose distance
- a numerically controlled machine for bending, forming, bending or bending a bar machine conventionally comprising a frame and a rotating bending head in order to be able to obtain folds in different planes, machine in which a bar is moved horizontally along a running axis by a feed station located upstream, and brought through a folding nose carried by the frame, then through a turn of the bending head, said turn is formed by a bending roller and a folding finger, said spinner being able to rotate in a horizontal plane around an axis of rotation aligned with the axis of the machine bending roller characterized in that the folding nose is mounted movable in translation in the axis of travel and moved continuously between one or more advanced bending positions in which the nose is near the roller and one or more positions of withdrawal towards the upstream completely clearing the bending zone between the spinner and
- FIG. 1 schematic diagram of the invention showing the different movements achievable on the machine i o - Figures 2a, 2b, 2c kinematics for the realization of a closed loop with parallel branch
- FIG. 3 schematic diagram for the production of loops or folds with several spokes
- Figures 6 kinematics for the realization of closed planar parts
- Figures 7a, 7b, 7c, 7d, 7th kinematics for the realization of a large 0 arc with large radius TRACKING of a fold with small radius
- FIGS 8a, 8b kinematics for the realization of two ply
- Figures 9a, 9b, 9c, 9d kinematic for folding without relative movement between the folding finger and the wire ⁇
- bar has been used in the description and the claims to more generally denote a blank which can be a bar, a wire, a profile before bending
- a numerically controlled machine (shown diagrammatically in plan view in FIG. 1) conventionally comprises a frame (1) and a rotating bending head so as to be able to obtain folds in different planes 35
- a bar (4) is moved horizontally along a running axis (5) by a feed station located upstream (not shown), and brought through a folding nose (7) carried by the frame (1), then through a spinner (10) of the head of bending, said spinner being formed by a bending roller (8) and a bending finger (9)
- the spinner (10) can rotate in a horizontal plane around an axis of rotation aligned with the axis of the bending roller (8).
- the spinner (10) is carried by a transverse carriage (2) capable of moving the spinner in one direction and in another other perpendicular to the direction of the axis of travel
- a take-up clamp (3) is placed on the scrolling axis (5), downstream of the spinner, for example outside of it as in the figures Said clamp is used only in some operations detailed below
- the spinner has two possibilities of movement
- the folding nose (7) and cutting means (6) are mounted movable in translation in the travel axis (5) and moves continuously, integrally between one or more advanced positions work in which the nose is close to the roller (8) and one or more positions of withdrawal upstream completely clearing the work area between the spinner and the frame
- the cutting means (6) are placed upstream of the folding nose, on the scroll axis, and move with it but other locations are possible.
- the take-up pliers (3) grip the wire (9), the nose (7) and the cutting means (6) are positioned to cut the piece to the desired length The piece being cut, the nose is released while moving back, and the spinner (10) finishes the last fold of the long piece (figure 5).
- Figure 7b starts the large arc of the part by translation and rotation thereof to wind the part on the large radius of curvature (9a) the nose being in position (7b 1 )
- Figure 7c the nose is advanced at (7'c) the head continues its translational and rotational movements in order to obtain I desired angle for example to bring the end of the part parallel to I scroll axis (5) as on the figure • Figure 7d the nose is moved back to position (7'd) to completely release the loop and place the nose in the chosen position to make the fold while the spinner returns in translation to its starting position »Figure 7e nose advances in position (7'e) the spinner continues its return in translation and performs the folding by a reverse rotation of the previous
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004317A FR2806943B1 (en) | 2000-04-03 | 2000-04-03 | ERASABLE FOLDING NOSE BAR BENDING MACHINE |
FR0004317 | 2000-04-03 | ||
PCT/FR2001/000936 WO2001074509A1 (en) | 2000-04-03 | 2001-03-28 | Bending machine for rods with resettable folding shank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1272293A1 true EP1272293A1 (en) | 2003-01-08 |
EP1272293B1 EP1272293B1 (en) | 2004-06-02 |
Family
ID=8848869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01919587A Expired - Lifetime EP1272293B1 (en) | 2000-04-03 | 2001-03-28 | Bending machine for rods with resettable folding shank |
Country Status (11)
Country | Link |
---|---|
US (1) | US6813922B2 (en) |
EP (1) | EP1272293B1 (en) |
AT (1) | ATE268231T1 (en) |
AU (1) | AU2001246656A1 (en) |
CA (1) | CA2404162C (en) |
DE (1) | DE60103632T2 (en) |
DK (1) | DK1272293T3 (en) |
ES (1) | ES2222359T3 (en) |
FR (1) | FR2806943B1 (en) |
PT (1) | PT1272293E (en) |
WO (1) | WO2001074509A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100022250A1 (en) * | 2021-08-24 | 2023-02-24 | Simat S R L | MACHINE AND PROCEDURE FOR FOLDING AN OBLONG PRODUCT |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815893B1 (en) | 2000-10-31 | 2002-12-20 | Macsoft | FAST AND AUTOMATED TOOL CHANGING DEVICE WITH STANDARD TAPERED TOOL HOLDER FOR NUMERICALLY CONTROLLED CAMBERING MACHINE |
DE102005047078B3 (en) * | 2005-09-30 | 2007-05-03 | Trumer Schutzbauten Gesmbh | Bending machine, in particular cable bending machine |
FR2892648B1 (en) * | 2005-10-28 | 2007-12-14 | Numalliance Soc Par Actions Si | MACHINE FOR CAMBING, CHEESE, FOLDING OR BENDING BARS, WIRES OR PROFILES |
GR1005272B (en) * | 2005-11-15 | 2006-09-12 | Method and system for bending wires, concrete bars and materials of prismatic cross section | |
GR1005986B (en) * | 2006-10-03 | 2008-07-10 | Method and system for the production of three-dimensional products. | |
DE102009024075B4 (en) | 2009-06-05 | 2012-11-29 | Wafios Ag | Bending device for rod-shaped workpieces |
IT1396456B1 (en) * | 2009-11-24 | 2012-11-23 | Piegatrici Macch Elettr | EQUIPMENT FOR BENDING OBLUNG METAL PRODUCTS, SUCH AS BARS, ROUNDS, OR METAL WIRES, AND RELATIVE BENDING PROCEDURE |
DE102011106942A1 (en) | 2011-07-08 | 2013-01-10 | Wafios Ag | Bending device for rod-shaped workpieces |
CN102688920B (en) * | 2011-12-25 | 2014-08-06 | 河南科技大学 | Pipe bender and bending method using pipe bender |
FR2988309B1 (en) * | 2012-03-24 | 2015-06-05 | Numalliance | BENDING MACHINE WITH A MOBILE FOLDING HEAD AROUND A FIXED FOLDING NOSE |
CN102941290B (en) * | 2012-11-16 | 2015-01-28 | 苏州汇川技术有限公司 | Steel bar bending machine and steel bar bending machine control method |
ITUD20130066A1 (en) | 2013-05-20 | 2014-11-21 | Piegatrici Macch Elettr | MACHINE FOR BENDING METAL PRODUCTS AND ITS FOLDING PROCEDURE. |
AT514954B1 (en) * | 2014-04-09 | 2015-05-15 | Stonawski Rudolf Mag | Device and method for bending a profile element |
CZ27381U1 (en) * | 2014-08-06 | 2014-09-29 | Msv Systems Cz S.R.O. | Bending head, especially for automatic bending machine |
CN104772407A (en) * | 2015-03-26 | 2015-07-15 | 金陵科技学院 | Control system based on numerical-control wire bending robot |
CN104942051B (en) * | 2015-05-14 | 2017-06-16 | 山东电力建设第一工程公司 | A kind of earthing pole anchor ear making apparatus and preparation method thereof |
JP6363560B2 (en) * | 2015-06-12 | 2018-07-25 | 三桜工業株式会社 | Pipe bending method and bending apparatus |
CN105880984A (en) * | 2016-06-01 | 2016-08-24 | 建科机械(天津)股份有限公司 | Center shaft dismounting mechanism of steel bar bender |
CN111408643A (en) * | 2020-03-30 | 2020-07-14 | 大同新成新材料股份有限公司 | Automatic forming machine for intelligent pantograph carbon slide plate carbon strip and forming method thereof |
CN113290092B (en) * | 2021-07-26 | 2021-10-29 | 广东高谱弯曲技术有限公司 | Positive and negative bending mechanism and bending method for profile |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT316268B (en) * | 1972-05-02 | 1974-07-10 | Evg Entwicklung Verwert Ges | Bending machine for rod or strip material |
IT1125327B (en) * | 1979-02-28 | 1986-05-14 | Piegatrici Macch Elettr | STAPLING MACHINE |
IT1175134B (en) * | 1983-10-12 | 1987-07-01 | Piegatrici Macch Elettr | METHOD AND MEANS FOR THE PRODUCTION OF SHAPES WITH ROUND OR WIRE BENDING MACHINES, PARTICULARLY LAMINATED AT LOW COST HOT ROLLING TO IMPROVE THE QUALITY OF THE FINISHED PRODUCT |
DE3822713A1 (en) * | 1988-07-05 | 1990-01-18 | Heinz Ruhl | DEVICE FOR MACHINING ROD MATERIAL |
IT1235176B (en) * | 1989-01-18 | 1992-06-23 | Piegatrici Macch Elettr | UPRIGHT MOBILE SHEAR, FOLDING GROUP AND TAIL BENDING PROCEDURE. |
ATE154264T1 (en) * | 1992-09-15 | 1997-06-15 | Piegatrici Macch Elettr | METHOD FOR BENDING AND APPARATUS THEREOF |
FR2715334B1 (en) * | 1994-01-21 | 1996-03-08 | Automatisation Ste Francaise | Machine for bending a material in a substantially straight form. |
IT1288994B1 (en) * | 1996-10-01 | 1998-09-25 | Piegatrici Macch Elettr | DOUBLE SHAPING MACHINE WITH MOBILE HOE |
IT1296722B1 (en) | 1997-11-26 | 1999-07-15 | Piegatrici Macch Elettr | VARIABLE FOLDING GROUP BENDING MACHINE |
-
2000
- 2000-04-03 FR FR0004317A patent/FR2806943B1/en not_active Expired - Fee Related
-
2001
- 2001-03-28 DK DK01919587T patent/DK1272293T3/en active
- 2001-03-28 PT PT01919587T patent/PT1272293E/en unknown
- 2001-03-28 AU AU2001246656A patent/AU2001246656A1/en not_active Abandoned
- 2001-03-28 EP EP01919587A patent/EP1272293B1/en not_active Expired - Lifetime
- 2001-03-28 US US10/240,342 patent/US6813922B2/en not_active Expired - Lifetime
- 2001-03-28 WO PCT/FR2001/000936 patent/WO2001074509A1/en active IP Right Grant
- 2001-03-28 CA CA002404162A patent/CA2404162C/en not_active Expired - Lifetime
- 2001-03-28 DE DE60103632T patent/DE60103632T2/en not_active Expired - Lifetime
- 2001-03-28 ES ES01919587T patent/ES2222359T3/en not_active Expired - Lifetime
- 2001-03-28 AT AT01919587T patent/ATE268231T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO0174509A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100022250A1 (en) * | 2021-08-24 | 2023-02-24 | Simat S R L | MACHINE AND PROCEDURE FOR FOLDING AN OBLONG PRODUCT |
Also Published As
Publication number | Publication date |
---|---|
CA2404162A1 (en) | 2001-10-11 |
DK1272293T3 (en) | 2004-08-30 |
ES2222359T3 (en) | 2005-02-01 |
US6813922B2 (en) | 2004-11-09 |
FR2806943A1 (en) | 2001-10-05 |
PT1272293E (en) | 2004-10-29 |
US20030089153A1 (en) | 2003-05-15 |
DE60103632D1 (en) | 2004-07-08 |
EP1272293B1 (en) | 2004-06-02 |
ATE268231T1 (en) | 2004-06-15 |
CA2404162C (en) | 2007-06-26 |
WO2001074509A1 (en) | 2001-10-11 |
DE60103632T2 (en) | 2005-06-16 |
FR2806943B1 (en) | 2002-08-16 |
AU2001246656A1 (en) | 2001-10-15 |
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