EP2170537A1 - Flexibler niederhalter für eine profilieranlage zum flexiblen walzprofilieren von kalt- oder warmprofilen mit veränderlichem querschnitt - Google Patents
Flexibler niederhalter für eine profilieranlage zum flexiblen walzprofilieren von kalt- oder warmprofilen mit veränderlichem querschnittInfo
- Publication number
- EP2170537A1 EP2170537A1 EP08785118A EP08785118A EP2170537A1 EP 2170537 A1 EP2170537 A1 EP 2170537A1 EP 08785118 A EP08785118 A EP 08785118A EP 08785118 A EP08785118 A EP 08785118A EP 2170537 A1 EP2170537 A1 EP 2170537A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- profiling
- clamping
- arrangements
- flexible
- 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
- 238000009434 installation Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000002889 sympathetic effect Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 6
- 210000002414 leg Anatomy 0.000 description 4
- 210000000689 upper leg Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
- B21D5/083—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers for obtaining profiles with changing cross-sectional configuration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
Definitions
- the invention relates to a flexible hold-down for a profiling system for clamping a sheet to be profiled during roll forming of cold or hot profiles with variable cross-section, an associated method and a product produced by this method according to the preamble of claim 1, claim 10 and claim 17th
- rolls acting together in pairs provide a profile in the form of which a sheet to be formed is brought.
- the forming of the sheet takes place in several stages with multiple roller pairs or roll stands.
- the stepwise degree of deformation of the sheet is chosen such that the sheet is not undesirable stressed and deformed.
- a similar device for producing profiled sheets with variable cross section is known from DE 10 2004 040 257 Al.
- the device has an additional roller and a support element, wherein the rollers and support elements of the mill stand to ensure that no inadmissible deformations occur on the sheet.
- the object of the present invention is to eliminate the above-mentioned disadvantages of the prior art with regard to the undesired deformations during flexible profiling and to provide a reshaped product with a continuously defined and controlled height of the bottom.
- This object is achieved by a flexible hold-down for a profiling system for clamping a sheet to be profiled during roll profiling of cold or hot profiles with variable cross section and an associated method according to the preambles of claim 1 and claim 11.
- Fig. 1 shows a side view of a flexible hold-down according to the present invention.
- Fig. 2 shows a perspective view of an upper assembly of the flexible blank holder of Fig. 1 with an adjustable upper jaw 2a with an adjustable clamping shoe 2b of the present invention.
- Fig. 3 shows a perspective view of a flexible hold-down according to the present invention, which is integrated in a profiling plant of the prior art.
- Fig. 1 shows a flexible blank holder 1 of the present invention for any profiling of the prior art.
- the hold-down 1 includes an upper assembly 2 and a lower assembly 3 which clamp a sheet 5 to be profiled therebetween.
- the two arrangements 2, 3 are via an upper guide 2 d and a lower guide 3d in a frame 4th movably mounted.
- the upper assembly 2 includes a bracket 2c and an adjustable upper jaw 2a with an adjustable clamping shoe 2b.
- the lower assembly 3 includes a holder 3c and an adjustable lower jaw 3a.
- the guides 2d, 3d may be configured as a rail guide. And in another embodiment, the guides 2d, 3d may be configured as a roller guide. And in another embodiment, the guides 2d, 3d may be configured as dovetail guides, prism guides, narrow guides or cylindrical guides.
- the configuration of the upper guide 2d can be different from that of the lower guide 3d.
- analogously to the upper clamping shoe it is also possible to provide a lower clamping shoe which can be functionally adapted like the upper clamping shoe.
- the adjustable upper jaw 2a can be advantageously pressed by a hydraulic leverage in a direction perpendicular to the sheet feed on the sheet to be profiled plate 5 and against the lower jaw 3a.
- only the jaw 2a is pressed against the sheet by means of a pneumatic or an electromagnetic leverage, the lower jaw 3a being adjustable by a screw to a predetermined height.
- the arrangements 2, 3 of the flexible blank holder 1 clamp the sheet on both sides from above and from below. In another embodiment, the arrangements 2, 3 clamping the sheet embracing on one or both legs 5a, 5b.
- the assemblies 2, 3 of the flexible Hold-down 1 in the frame 4 on the guides 2d, 3d passively with the sheet feed, ie without its own drive via motors, pulled along. As a result, no additional forces are introduced into the sheet during the profiling, so that a 100% match with the sheet feed is ensured.
- Fig. 2 shows an upper assembly 2 with an adjustable upper jaw 2a with an adjustable clamping shoe 2b of the present invention.
- means are used to adapt the clamping shoe 2b during the profiling process in the feed plane (plane xz) or perpendicular to the feed plane (y direction). These means fit the clamping shoe 2b in the width, height, shape or position of the profile of the sheet, since in three-dimensional cross-sections, d. H. with height-adjustable floor, the arrangement 2 must follow the bottom of the profile and must adjust in height and inclination. If the sheet is bent on different sides with respect to the ground, it would be conceivable that these means act on the corresponding sides of the floor. By this adaptation, a collision with the legs 5a, 5b is avoided and the sheet is not exposed to undesirable deformations.
- Fig. 3 shows a flexible downholder 1 according to the present invention, which is integrated in a profiling plant of the prior art.
- a method of profiling a sheet 5 using the flexible blank holder 1 includes the steps described below. Only one mill stand is shown in Figure 3, but it will be readily understood by those skilled in the art that there are further mill stands upstream and downstream of the mill stand which are part of a profiling line.
- step 1 the sheet 5 to be profiled is clamped.
- the two assemblies 2, 3 press out of a starting position (rest position) at a defined point the profile of the sheet.
- This predetermined location is determined in advance depending on the type of deformation and the sheet material used and the geometry of the rolling mill.
- the sheet is clamped on both sides from above and from below.
- the sheet can be clamped around one or both legs 5a, 5b.
- all degrees of freedom must be suppressed to the degree of freedom of profiling, so that no relative movement between the sheet and hold-down is possible. As a result, unwanted deformations of the sheet can be excluded and a continuously defined and controlled height of the soil can be achieved.
- step 2 the clamped sheet 5 is guided during the profiling under linear Mitschreiben the assemblies 2, 3 in the profile direction.
- the arrangements 2, 3 move with the sheet 5 to be profiled as a unit.
- the arrangements 2, 3 can be passively pulled along with the sheet feed. The introduction of additional forces in the sheet is avoided and ensures 100% compliance with the sheet feed.
- the assemblies 2, 3 can be actively driven in the direction of the sheet metal feed via motors. In this Mitschreibung the arrangements 2, 3, however, a synchronization with the sheet feed is required. As a result, unwanted deformations of the sheet can also be excluded and a continuously defined and controlled height of the soil.
- the arrangements 2, 3 are brought as close as possible to the forming rollers 6 under clamping of the sheet in order to have the longest possible guide path of the sheet and as long as possible contact time with the sheet.
- the clamping shoe 2b can be adapted to the profile of the sheet 5 during the profiling process in terms of width, height, shape or position. This avoids a collision with the legs 5a, 5b.
- the arrangement 2 can thus follow the bottom of the profile and adapt in height and inclination. As a result, unwanted deformations of the sheet can also be excluded and a continuously defined and controlled height of the soil can be achieved.
- step 3 the clamping of the sympathetic assemblies 2, 3 is released when the clamped point reaches the next roll stand 7.
- step 4 the assemblies 2, 3 are returned to the home position (rest position). Thereafter, steps 1-4 can be performed again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Rehabilitation Tools (AREA)
- Switches With Compound Operations (AREA)
- Tents Or Canopies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007034708A DE102007034708B3 (de) | 2007-07-25 | 2007-07-25 | Flexibler Niederhalter für eine Profilieranlage zum flexiblen Walzprofilieren von Kalt- oder Warmprofilen mit veränderlichem Querschnitt |
PCT/EP2008/006167 WO2009013017A1 (de) | 2007-07-25 | 2008-07-25 | Flexibler niederhalter für eine profilieranlage zum flexiblen walzprofilieren von kalt- oder warmprofilen mit veränderlichem querschnitt |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2170537A1 true EP2170537A1 (de) | 2010-04-07 |
EP2170537B1 EP2170537B1 (de) | 2010-11-10 |
Family
ID=40011164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08785118A Not-in-force EP2170537B1 (de) | 2007-07-25 | 2008-07-25 | Flexibler niederhalter für eine profilieranlage zum flexiblen walzprofilieren von kalt- oder warmprofilen mit veränderlichem querschnitt |
Country Status (8)
Country | Link |
---|---|
US (1) | US9056345B2 (de) |
EP (1) | EP2170537B1 (de) |
KR (1) | KR20100071966A (de) |
AT (1) | ATE487548T1 (de) |
BR (1) | BRPI0814067A2 (de) |
DE (2) | DE102007034708B3 (de) |
ES (1) | ES2356031T3 (de) |
WO (1) | WO2009013017A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009017003A1 (de) | 2009-04-14 | 2010-10-21 | Groche, Peter, Prof. Dipl.-Wirtsch.-Ing. Dr.-Ing. | Selbstausrichtender Niederhalter |
DE202009007527U1 (de) * | 2009-05-27 | 2009-08-27 | Data M Sheet Metal Solutions Gmbh | Flexibler Niederhalter für Walzprofilieranlagen |
DE102009022829B3 (de) * | 2009-05-27 | 2011-02-24 | Data M Sheet Metal Solutions Gmbh | Walzprofiliervorrichtung und -verfahren |
DE102011052539A1 (de) | 2011-08-09 | 2013-02-14 | Data M Sheet Metal Solutions Gmbh | Walzprofiliervorrichtung mit Führungsschiene und Klemmschlitten für die definierte Führung eines Werkstücks und dazugehöriges Verfahren |
SE1700021A1 (sv) * | 2017-02-07 | 2018-05-29 | Ingvest Ab | Sätt och anordning för rullformning av plan produkt med varierade bredd |
AU2019226291A1 (en) | 2018-09-21 | 2020-04-09 | The Bradbury Company, Inc. | Machines to Roll-Form Variable Component Geometries |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2288119A (en) * | 1940-02-15 | 1942-06-30 | Budd Edward G Mfg Co | Draw rolling machine |
US2851080A (en) * | 1955-02-08 | 1958-09-09 | Anderson Frohman | Apparatus for forming sheets into compound curves by drawing over forming elements in a succession of forming stages |
US2979806A (en) * | 1958-02-07 | 1961-04-18 | Macomber Inc | Method of making laminated tubular section structural members |
US2929626A (en) * | 1958-07-30 | 1960-03-22 | Cooper Weymouth Inc | Open throat air operated slide feed for power presses and special machines |
US3684145A (en) * | 1970-11-16 | 1972-08-15 | Sylvania Electric Prod | Rectilinear feed apparatus |
US3731514A (en) * | 1971-02-07 | 1973-05-08 | A Deibele | Cleat bender |
GB1420926A (en) * | 1972-01-13 | 1976-01-14 | Production Tools Oxford Ltd | Folding apparatus |
IT1086365B (it) * | 1977-09-19 | 1985-05-28 | Salvagnini Transferica Spa | Macchina per la produzione di pannelli di lamiera rettangolare con bordi piegati |
US4770019A (en) * | 1985-12-28 | 1988-09-13 | Nakata Manufacture Company Limited | Forming roll, forming process and its apparatus in the pipe mill |
US5142894A (en) * | 1991-03-15 | 1992-09-01 | Contour Roll Company | Roll-forming method |
EP0870650B1 (de) * | 1997-04-10 | 2003-07-30 | Hyundai Motor Company | Einrichtung und Methode zur Herstellung von Kraftfahrzeug-stossstangenträgern |
DE10011755B4 (de) * | 2000-03-13 | 2005-05-25 | Peter Prof. Dr.-Ing. Dipl.-Wirtsch.-Ing. Groche | Verfahren und Vorrichtung zur Herstellung eines Profils mit über der Längsachse veränderlichem Querschnitt mittels Walzprofilieren |
DE10325036A1 (de) * | 2003-06-02 | 2004-12-23 | Palima W. Ludwig & Co. | Verfahren und Vorrichtung zum Herstellen von Biegeprofilen |
DE102004040257A1 (de) * | 2004-08-18 | 2005-12-15 | Daimlerchrysler Ag | Vorrichtung zum Walzprofilieren von Kaltprofilen |
DE102004047048A1 (de) * | 2004-09-28 | 2006-04-06 | Otto Bihler Handels-Beteiligungs-Gmbh | Vorschubvorrichtung |
-
2007
- 2007-07-25 DE DE102007034708A patent/DE102007034708B3/de not_active Expired - Fee Related
-
2008
- 2008-07-25 DE DE502008001783T patent/DE502008001783D1/de active Active
- 2008-07-25 WO PCT/EP2008/006167 patent/WO2009013017A1/de active Application Filing
- 2008-07-25 EP EP08785118A patent/EP2170537B1/de not_active Not-in-force
- 2008-07-25 KR KR1020107004085A patent/KR20100071966A/ko not_active Application Discontinuation
- 2008-07-25 ES ES08785118T patent/ES2356031T3/es active Active
- 2008-07-25 AT AT08785118T patent/ATE487548T1/de active
- 2008-07-25 US US12/670,327 patent/US9056345B2/en not_active Expired - Fee Related
- 2008-07-25 BR BRPI0814067-7A2A patent/BRPI0814067A2/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2009013017A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2356031T3 (es) | 2011-04-04 |
DE502008001783D1 (de) | 2010-12-23 |
EP2170537B1 (de) | 2010-11-10 |
WO2009013017A4 (de) | 2009-04-02 |
ATE487548T1 (de) | 2010-11-15 |
KR20100071966A (ko) | 2010-06-29 |
US9056345B2 (en) | 2015-06-16 |
WO2009013017A1 (de) | 2009-01-29 |
BRPI0814067A2 (pt) | 2015-01-06 |
US20100273021A1 (en) | 2010-10-28 |
DE102007034708B3 (de) | 2009-04-09 |
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