EP1631399A1 - Verfahren zum biegen eines bahnf rmigen stehfalzprofilbleche s und einrichtung zur durchf hrung dieses verfahrens - Google Patents
Verfahren zum biegen eines bahnf rmigen stehfalzprofilbleche s und einrichtung zur durchf hrung dieses verfahrensInfo
- Publication number
- EP1631399A1 EP1631399A1 EP04731617A EP04731617A EP1631399A1 EP 1631399 A1 EP1631399 A1 EP 1631399A1 EP 04731617 A EP04731617 A EP 04731617A EP 04731617 A EP04731617 A EP 04731617A EP 1631399 A1 EP1631399 A1 EP 1631399A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- sheet metal
- rollers
- bending
- sheet
- 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
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
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Definitions
- the present invention relates to a method for bending a web-shaped standing seam profile sheet with an essentially flat web and two flanges provided thereon to form a U-shaped profile, in a plane running perpendicular to the plane of the web, in which the sheet metal web to be processed is located between several in succession Arranged pairs of rollers is carried out, which are held on both sides of the web transport path arranged stands, the flanges of the standing seam profile sheet to be machined are first subjected to pressure by the flange on one side of the sheet web between pressure rollers, which on the stand on the corresponding side the roll forming device are held, and the second flange between pressure rollers, which are arranged on the movable stand on the opposite side, is passed, and the standing seam profile sheet is then bent by bending means.
- standing seam profile sheets In modern buildings, roof structures and wall cladding are often used, in which the outer skin is formed by so-called standing seam profile sheets (see, for example, EP-0685612-A1).
- roll forming devices are generally used in order to provide sheet metal strips or sheet webs with the desired profile in a continuous process and to produce upright projecting flanges at the edge areas of the sheet metal strips to form an essentially U-shaped cross section (see US Pat. No. 4,811,587).
- the metal strips are passed between pairs of rollers in the roll forming device, which have corresponding rolling profiles on their outer circumference and deform the metal strip under pressure when it passes between the rollers.
- a roll forming device is also known from WO-01/74508-A1, which allows standing seam profile sheets to be bent concavely or convexly in a plane perpendicular to the plane of the sheet web.
- the object of the present invention is to provide a method and a device of the type mentioned at the outset which enable sheet metal webs which taper conically in their longitudinal direction to be processed using the roll forming method.
- This object is achieved in a method of the type mentioned in that for bending a standing seam sheet, the web of which tapers in its longitudinal direction, the movable stand with the rollers held thereon according to the taper angle of the sheet metal web relative to the web transport direction and the rollers on the other side of the web transport path is pivoted, and that during the passage of the sheet metal web the movable stand is moved in a controlled manner in adaptation to the changing web width of the sheet metal web transversely to the web transport direction.
- the device according to the invention for carrying out the method is accordingly characterized in that the movable stand can be pivoted in a plane which runs parallel to the plane spanned by the sheet metal web, about the stand opposite the direction of web transport and the stand provided on the other side of the web transport path to adjust according to the taper angle of the sheet metal sheet to be machined, and that a control device is provided which is connected to the movable stand in order to move it automatically in adaptation to the width of the sheet metal sheet passing through during operation.
- the invention is therefore based on the consideration of aligning the stands relative to one another in accordance with the shape of the conically tapering sheet metal web by pivoting the movable stand.
- the rollers held on it can then be positioned above the sloping edge of the sheet metal web.
- the web width changes continuously during the passage of the sheet metal web by the movable stand is adjusted to adapt to the changing web width in a controlled manner transversely to the web transport direction.
- standing seam profile sheets which taper conically in their longitudinal direction, can be bent in a simple and precise manner in a plane running perpendicular to the plane of the web, so that the standing seam profile sheet is convex or concave shape.
- the flanges of the standing seam profile sheet to be machined are simultaneously on the two sides of the sheet web between corresponding pairs of pressure rollers which are arranged on the two mutually opposite stands which are aligned with one another in accordance with the taper angle Pressurized, and the standing seam profile is then bent by appropriate bending means.
- the bending process can also be carried out in a known manner in that the standing seam profile sheet is passed between bending rollers which are adjustable transversely to the plane of the web in order to adjust the degree of bending.
- the movable stand When operating the roll forming device according to the invention, it is essential that the movable stand is moved exactly in accordance with the changing width of the balin, so that the rolls held on the movable stand are always correctly positioned with respect to the sheet metal web to be processed. After the initial positioning, it is possible, for example, to move the stand transversely to the web transport direction depending on the transport speed of the sheet metal web. Of course, it is also possible to use sensors that determine the current web width. Since corresponding control or regulating circuits are well known to a person skilled in the art, they will not be dealt with in the context of this application.
- Figure 1 shows a roll forming device for bending web-shaped
- Figure 2 shows the roll forming device from Figure 1 in vertical section along the line
- FIG. 3 shows the device from FIG. 1 in horizontal section along the line III -
- Figure 4 is a view corresponding to Figure 1 of the roll forming device, in which the upper stand is pivoted relative to the lower stand.
- FIG. 1 to 4 show a first embodiment of a roll forming device 1 according to the invention for roll forming sheet metal webs, the basic structure and mode of operation of which are already known in principle
- the roll forming device 1 is used for web-shaped
- flanges 4, 5 Long edges of flanges 4, 5 project upright to form a U-shaped cross section, which are provided at their free ends with flanges 6, 7.
- Roll forming device 1 has a lower stand 8 and an upper stand 9 which, as indicated by a double arrow A in FIG
- Railway transport direction X can be moved in the vertical direction.
- two pairs of front and rear transport rollers 10a, 10b, 11a, 11b are arranged one behind the other in the web transport direction X, which can be driven to rotate about vertical axes and form a press nip between them, around the lower half of the sheet metal web 2 between them to clamp and transport.
- two pairs of upper transport rollers are rotatably driven in a symmetrical arrangement to the lower transport rollers 10a, 10b, 11a, 11b, only one front and one rear transport roller 12a, 13a being shown in FIG. 1 is.
- a set of pressure rollers 14, 15, 16 is arranged on the lower stand 8 and the upper stand 9, around the two flanges 4, 5 to apply pressure to the sheet metal web 2 and its flanged edges 6, 7.
- the sheet metal web 2 is supported by external pressure rollers 16 both in the region of the web 3 and on the outside in the region of the flanges 4, 5, the flanged edges 6, 7 around an end region of the Pressure rollers 16 are placed.
- the pressure rollers 14 are positioned on the inside of the flanges 4, 5 and mounted on the upper and lower stands 8, 9 in such a way that it is possible to press them against the inside of the flange, as shown in FIG. 2 by the vertical Arrows P is indicated.
- the remaining pressure rollers 15 are rotatably mounted on the stands 8, 9 so that they can be pressed from the outside against the flanges 6, 7, as indicated by the horizontal arrows P in FIG. Otherwise, it is possible to adjust the pairs of rear transport rollers 11a, 11b, 13a transversely to the direction of web transport, as indicated by the double arrow F in FIG.
- the transport rollers 11a, 11b, 13a can be adjusted relative to the front transport rollers 10a, 10b, 12a and the pressure rollers 14, 15, 16, with the result that a continuous sheet metal web 2 after its flanges 4, 5 and flanges 6, 7 have been pressurized by the pressure rollers 14, 15, 16, is bent in a plane perpendicular to the plane of the web 3 of the sheet metal web 2.
- the extent of the bend, ie the radius of curvature, can be changed by adjusting the rear transport rollers 1 la, 1 lb, 13a (see WO-01/74508-A1).
- the upper stand 9 can not only be adjusted in the vertical direction (double arrow A) relative to the lower stand 8, but can also be pivoted about a horizontal axis, as indicated by the double arrow S in FIG.
- the conically tapering sheet 2 is positioned in the roll forming device 1 in a conventional manner so that the lower edge of the sheet is aligned with the lower rolls.
- the upper stand 9 is pivoted by the taper angle of the sheet metal web 2 relative to the lower stand 8 from the position shown in Figure 1, so that the upper rollers by additional movement of the upper stand 9 transverse to the web transport direction 8 (double arrow A) in the figure 4 can be positioned opposite the upper region of the sheet metal web 2.
- the sheet metal sheet 2 is then bent in a manner known per se, the upper stand 9 being moved in the direction of the lower stand 8 while passing through the sheet metal sheet 2 in adaptation to the narrowing width of the tapering sheet metal sheet 2.
- the drive of the stator A is provided with a corresponding control circuit.
- the stands are arranged one above the other and the sheet metal web 2 is transported in a vertical orientation through the roll forming device 1. Alternatively, it is possible to transport the sheet 2 horizontally and to provide the stands laterally.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04731617A EP1631399B1 (de) | 2003-05-14 | 2004-05-07 | Verfahren zum biegen eines bahnförmigen stehfalzprofilbleches und einrichtung zur durchführung dieses verfahrens |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03010800 | 2003-05-14 | ||
| PCT/EP2004/004992 WO2004101190A1 (de) | 2003-05-14 | 2004-05-07 | Verfahren zum biegen eines bahnförmigen stehfalzprofilbleches und einrichtung zur durchführung dieses verfahrens |
| EP04731617A EP1631399B1 (de) | 2003-05-14 | 2004-05-07 | Verfahren zum biegen eines bahnförmigen stehfalzprofilbleches und einrichtung zur durchführung dieses verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1631399A1 true EP1631399A1 (de) | 2006-03-08 |
| EP1631399B1 EP1631399B1 (de) | 2007-11-07 |
Family
ID=33442725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04731617A Expired - Lifetime EP1631399B1 (de) | 2003-05-14 | 2004-05-07 | Verfahren zum biegen eines bahnförmigen stehfalzprofilbleches und einrichtung zur durchführung dieses verfahrens |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1631399B1 (de) |
| AT (1) | ATE377462T1 (de) |
| DE (1) | DE502004005438D1 (de) |
| WO (1) | WO2004101190A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687458B (zh) * | 2018-08-09 | 2020-06-23 | 浙江建设职业技术学院 | 金属网对接焊接装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1138403A1 (de) * | 2000-03-31 | 2001-10-04 | Corus Bausysteme GmbH | Verfahren und Vorrichtung zum Biegen von Blechen mit zwei gegenüberliegenden Flanschen |
-
2004
- 2004-05-07 AT AT04731617T patent/ATE377462T1/de not_active IP Right Cessation
- 2004-05-07 EP EP04731617A patent/EP1631399B1/de not_active Expired - Lifetime
- 2004-05-07 DE DE502004005438T patent/DE502004005438D1/de not_active Expired - Lifetime
- 2004-05-07 WO PCT/EP2004/004992 patent/WO2004101190A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004101190A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE377462T1 (de) | 2007-11-15 |
| DE502004005438D1 (de) | 2007-12-20 |
| EP1631399B1 (de) | 2007-11-07 |
| WO2004101190A1 (de) | 2004-11-25 |
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