EP1420901A1 - Method and device for extruding curved extrusion profiles - Google Patents
Method and device for extruding curved extrusion profilesInfo
- Publication number
- EP1420901A1 EP1420901A1 EP02762241A EP02762241A EP1420901A1 EP 1420901 A1 EP1420901 A1 EP 1420901A1 EP 02762241 A EP02762241 A EP 02762241A EP 02762241 A EP02762241 A EP 02762241A EP 1420901 A1 EP1420901 A1 EP 1420901A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extrusion
- strand
- support
- functional field
- press
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/12—Extruding bent tubes or rods
Definitions
- the invention relates to a method and a device for the extrusion of curved extrusion profiles, the extrusion profile being formed in a die upstream of a counter beam of an extrusion system and then being bent or bent by the action of external forces and being separated into partial lengths in the press flow.
- the outlet device is determined depending on the production program.
- the facilities for straight pressing are designed, while for the production of wires, the system for pressing must be equipped in the downstream reel.
- the roller table section can be extended sideways to make room for the wire feed channels. This is followed by a driven, lowerable roller table with cast plates arranged between the driven, lowerable rollers.
- the rollers are lowered after the pressing and consequently the pressed product or extruded profile is placed on the plates or the support table. From this position, the removal then follows in the usual way.
- extruded profiles which are continuously curved to one side with a predetermined radius or alternately curved in both directions are divided into desired partial lengths.
- a non-contact cutting to length by flame cutting is proposed, thereby avoiding that the radius of curvature of the extruded profile is influenced and its contour accuracy fluctuates, which requires an additional operation, e.g. Calibration by means of hydroforming would require to bring the extruded profile part length into the desired final contour.
- the invention has for its object to provide a method and an apparatus of the type mentioned, with which the operation of the extrusion press can be improved, in particular a trouble-free, unimpeded pressing of continuously following extruded profile lengths is possible.
- the support pad can be preset at least in its height. When changing production with different dimensions of the profile to be pressed, it can then be set so that the profile emerging from the die or the counter beam emerges with its lower edge or side at the level of the support surface. Since the extrusion press itself has a fixed center, it could otherwise occur that a differently dimensioned extrusion profile emerges without contact with the support and then bends at a certain length in view of the high temperature.
- the support pad is also advantageously adjustable in multiple axes, i.e. also in the pressing direction and transversely to it, it can be positioned either closer or further away from the machine unit, depending on the radius of curvature of the profile that has just been produced, so that a constantly effective support zone is achieved with changing profiles.
- the strand be supported by the support with little friction, which allows gentle takeover and damage-free removal of the sensitive, usually aluminum profiles.
- a table which is arranged in the press outlet and supports the pressed strand can be raised and lowered into functional fields, of which the the rear functional field, which adjoins the front functional field near the machine, can be temporarily pivoted into a position inclined to the foundation.
- the front functional field always remains in its position, mainly takes over the support of the profile and, because it remains stationary, is also available for the subsequent extruded profiles, while the rear functional field, which can be swung down, ensures that the separated profile length is transported away. Because as soon as the desired partial length is obtained by cutting, eg flame cutting, the rear functional field is lowered so that this partial length can slide down from the support pad. There, for example, it can be gripped by a handling robot and transferred to the roller table. Until the rear functional field is swung up into its supporting position, the subsequent extruded profile is supported solely by the front functional field.
- a preferred embodiment of the invention provides that the table surface of the front functional field is equipped with rollers and the table surface of the rear functional field is designed with graphite plates. Both measures favor the desired low-friction support and removal support, which is always gentle on the extruded profile.
- the release of the press headbox is favored, because the driven rollers draw the required gap between the already cut profile strand and the following profile strand faster than would be possible, for example, with free-running rollers.
- a limited transition region of the rear functional field which adjoins the front functional field, is equipped with rollers.
- these rollers support the transfer of the extruded profile to the rear functional field.
- an adjusting cylinder acting laterally on this is proposed.
- the table with its posts and the lifting elements is arranged on a substructure which can be moved longitudinally and transversely to the extrusion direction, the support structure can be brought into the position most favorable for the respective pressing program.
- the support table is provided on at least one side of the run-out roller table.
- the one-sided arrangement of the support table is sufficient if extruded profiles with a curvature are to be produced only in this direction. If, on the other hand, extruded profiles with changing curvatures are produced, i.e. with a radius of curvature to the right or left, based in each case on the straight squeezing direction, such support tables are located on both sides of the run-out roller table.
- both support tables are combined into one structural unit and have a part of the run-out roller table as an integrated component.
- For the transverse or longitudinal movement of the tables only one adjustment means is required for each direction of movement.
- this double table assembly is then positioned so that the roller table section in alignment with the other roller table rollers completes the run-out roller table.
- FIG. 1 shows a plan view of an extrusion press and its outlet area with a support pad arranged on one side of the ramp roller table in the exemplary embodiment; and Fig. 2 cut the support pad of FIG. 1 along the line ll-ll.
- a block 2 to be pressed is fed to an extrusion press 1 shown in FIG. 1 by means of a loading device 3.
- the rod profile pressed out by a shaping die emerges from the counter beam 4 and, during straight pressing, reaches an outfeed roller table 6 arranged in the press outlet 5.
- rounded extruded profiles 7a, 7b are produced with a curvature to one side that is constant with respect to the straight pressing direction 8.
- an arrow 9 schematically indicated, which acts accordingly on the strand Guide tool that can interact with an upstream radius sensor, not shown.
- a support pad or a support table 10 is arranged next to the run-out roller table 6.
- This is subdivided into functional fields A and B, of which the functional field A which is adjacent to the extruder and is close to the machine is equipped with rollers 11 (cf. FIG. 2), some of which are driven.
- the functional field B is pivotably articulated to the functional field A. This can be pivoted into the inclined position indicated by dash-dotted lines by means of an adjusting cylinder engaging from below and laterally on the functional field.
- a limited area of the functional field B adjoining the functional field A is also equipped with rollers 12, while the remaining, much larger surface of the functional field B is covered with graphite plates 13.
- the entire support table 10, whose functional field A rests on post 14, can be adjusted on the one hand by means of lifting elements (not shown) in the direction of the double arrow Z (see FIG. 2) in terms of its height with respect to the center of the extrusion press 1 and on the other hand on a movable substructure 15 , for example in a cross slide arrangement, in the direction of the double arrows X or Y, ie transversely and / or lengthways to straight squeeze direction 8 movable.
- the support table 10 can therefore be brought into an optimum position for the strand to be pressed before the start of the pressing, ie depending on its dimension, radius of curvature and partial length.
- an extruded, curved or rounded extruded profile 7a, 7b emerging from the counter beam 4 is cut off by a robot 16 with a torch head 17 by flame cutting with the desired length.
- the burner head 17 follows the continuously extruded strand at the extrusion speed and separates the extruded profile length 7a or 7b from the continuously extruded strand via a water basin 18 which catches the falling metal melt harmless to the environment.
- Extruded profile 7a or 7b already lies on the rollers 11 of the functional field A of the support table 10 and is pulled by these, in particular by the action of the driven rollers, to a gap or removed from the extrusion area in such a way that the continuously following extruded strand is not hindered becomes.
- the functional field B becomes
- a removal robot 19 can then take the extruded profile 7a or 7b from there (cf. the right position of the gripper head 20 in FIG. 1) and transfer it to the run-out roller table 6.
- such a support table 10 is also located on the opposite side of the run-out roller table 6, in deviation from the exemplary embodiment according to FIG. 1.
- the two support tables can then be combined to form a structural unit, which can have a section 21 of the run-out roller table 6 as an integrated component.
- the extruded strand in the press outlet is supported by a support that supports the underside of the strand Support taken over and after severing a strand part length this is moved out of the support from the press flow and transported away, so that there can be no disturbances or obstructions for the continuously pressed strand or the cut-to-length subsequent strands.
- the support table 10 provides a support surface for the subsequent strand or strands without interruption.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10141328 | 2001-08-28 | ||
DE10141328A DE10141328B4 (en) | 2001-08-28 | 2001-08-28 | Method and device for extrusion molding of curved extruded profiles |
PCT/DE2002/003029 WO2003024638A1 (en) | 2001-08-28 | 2002-08-20 | Method and device for extruding curved extrusion profiles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1420901A1 true EP1420901A1 (en) | 2004-05-26 |
EP1420901B1 EP1420901B1 (en) | 2005-07-13 |
Family
ID=7696353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02762241A Expired - Lifetime EP1420901B1 (en) | 2001-08-28 | 2002-08-20 | Method and device for extruding curved extrusion profiles |
Country Status (9)
Country | Link |
---|---|
US (1) | US20040201126A1 (en) |
EP (1) | EP1420901B1 (en) |
JP (1) | JP2005501739A (en) |
KR (1) | KR20040036736A (en) |
CN (1) | CN1549752A (en) |
AT (1) | ATE299407T1 (en) |
CA (1) | CA2459066A1 (en) |
DE (2) | DE10141328B4 (en) |
WO (1) | WO2003024638A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10111062A1 (en) * | 2001-03-08 | 2002-09-19 | Sms Eumuco Gmbh | Process and extrusion system, in particular for producing curved extrusion products |
DE10329696B3 (en) | 2003-07-02 | 2005-03-03 | WKW Erbslöh Automotive GmbH | Method for producing a plurality of curved extruded profiles |
DE10340772A1 (en) * | 2003-09-02 | 2005-03-24 | Sms Eumuco Gmbh | Method and device for extruding curved extruded profiles |
CN101905249B (en) * | 2010-07-30 | 2012-01-04 | 长沙仲腾金属材料科技有限公司 | Method and device for machining curved profiles in combination with online quenching temperature control in short flow |
US10071522B2 (en) | 2012-07-10 | 2018-09-11 | U.S. Farathane Corporation | Roof ditch molding process incorporating conformed shaping features in a molding fixture |
US10179435B2 (en) | 2012-07-10 | 2019-01-15 | U.S. Farathane Corporation | Roof ditch molding assembly and process with heated air assist |
CN106825092A (en) * | 2017-02-14 | 2017-06-13 | 上海牧森自动化设备有限公司 | The pre-production equipment and its control system of a kind of ball pen ball |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US776038A (en) * | 1904-05-26 | 1904-11-29 | Ernest H Huenefeld | Elbow-machine. |
US2442953A (en) * | 1946-01-04 | 1948-06-08 | Wheaton Brass Works | Detachable valve means for tank emergency valves |
US3383743A (en) * | 1965-10-13 | 1968-05-21 | Us Concrete Pipe Company | Pipe bending apparatus and method |
US3748077A (en) * | 1965-10-18 | 1973-07-24 | Phillips Petroleum Co | Apparatus for producing pipe having a bend |
FR1462389A (en) * | 1965-11-03 | 1966-04-15 | Cie Generale Des Produits Ind | Method and apparatus for the manufacture by extrusion of plastic articles |
US3490113A (en) * | 1967-06-05 | 1970-01-20 | Certain Teed Prod Corp | Apparatus for making curved plastic shapes |
US4749535A (en) * | 1985-04-05 | 1988-06-07 | Yasuo Matsuda | Method and apparatus for forming profiled plastic products involving extrusion, roller shaping and cutting |
US4906171A (en) * | 1988-06-17 | 1990-03-06 | Gencorp Inc. | Directed flow die assembly |
US5203938A (en) * | 1991-01-31 | 1993-04-20 | Heico Aluminum Products, Inc. | Method and apparatus for forming an apex filler and/or applying an apex filler to a bead ring sub-assembly |
IT1248134B (en) * | 1991-02-28 | 1995-01-05 | A C M Srl Automatismi Costruzi | BENDING GROUP FOR BAR BEAMS |
NL9200138A (en) * | 1992-01-24 | 1993-08-16 | Reynolds Aluminium Bv | EXTRUSION METHOD AND EXTRUSION DEVICE. |
JP3022036B2 (en) * | 1992-02-24 | 2000-03-15 | テイエチケー株式会社 | Rail manufacturing method and manufacturing apparatus |
CA2135485A1 (en) * | 1992-06-08 | 1993-12-23 | Peter Stewart Allan | Improvements in or relating to methods and apparatus for the continuous formation of an extruded product |
US5424023A (en) * | 1993-06-03 | 1995-06-13 | Crane Plastics Company Limited Partnership | Apparatus and method of forming curved extruded products |
DE4428827A1 (en) * | 1994-08-17 | 1996-03-14 | Kleiner Matthias Prof Dr Ing H | Process for the production of curved workpieces by a combination of extrusion and bending |
JPH1024327A (en) * | 1996-07-10 | 1998-01-27 | Opton Co Ltd | Bending device |
DE19716292C2 (en) * | 1997-04-18 | 2001-02-01 | Daimler Chrysler Ag | Extrusion device |
DE10111062A1 (en) * | 2001-03-08 | 2002-09-19 | Sms Eumuco Gmbh | Process and extrusion system, in particular for producing curved extrusion products |
-
2001
- 2001-08-28 DE DE10141328A patent/DE10141328B4/en not_active Expired - Fee Related
-
2002
- 2002-08-20 KR KR10-2004-7002760A patent/KR20040036736A/en not_active Application Discontinuation
- 2002-08-20 CA CA002459066A patent/CA2459066A1/en not_active Abandoned
- 2002-08-20 CN CNA028168933A patent/CN1549752A/en active Pending
- 2002-08-20 JP JP2003528327A patent/JP2005501739A/en active Pending
- 2002-08-20 US US10/488,413 patent/US20040201126A1/en not_active Abandoned
- 2002-08-20 AT AT02762241T patent/ATE299407T1/en not_active IP Right Cessation
- 2002-08-20 EP EP02762241A patent/EP1420901B1/en not_active Expired - Lifetime
- 2002-08-20 DE DE50203630T patent/DE50203630D1/en not_active Expired - Fee Related
- 2002-08-20 WO PCT/DE2002/003029 patent/WO2003024638A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO03024638A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE10141328A1 (en) | 2003-04-10 |
EP1420901B1 (en) | 2005-07-13 |
DE50203630D1 (en) | 2005-08-18 |
KR20040036736A (en) | 2004-04-30 |
DE10141328B4 (en) | 2005-04-14 |
ATE299407T1 (en) | 2005-07-15 |
CN1549752A (en) | 2004-11-24 |
WO2003024638A1 (en) | 2003-03-27 |
US20040201126A1 (en) | 2004-10-14 |
JP2005501739A (en) | 2005-01-20 |
CA2459066A1 (en) | 2003-03-27 |
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