EP1530508B1 - Strang- und rohrpresse - Google Patents

Strang- und rohrpresse Download PDF

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Publication number
EP1530508B1
EP1530508B1 EP03760558A EP03760558A EP1530508B1 EP 1530508 B1 EP1530508 B1 EP 1530508B1 EP 03760558 A EP03760558 A EP 03760558A EP 03760558 A EP03760558 A EP 03760558A EP 1530508 B1 EP1530508 B1 EP 1530508B1
Authority
EP
European Patent Office
Prior art keywords
extruding
guide units
press
guide
pick
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
EP03760558A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1530508A2 (de
Inventor
Valentin Gala
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.)
SMS Group GmbH
Original Assignee
SMS Eumuco GmbH
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 SMS Eumuco GmbH filed Critical SMS Eumuco GmbH
Publication of EP1530508A2 publication Critical patent/EP1530508A2/de
Application granted granted Critical
Publication of EP1530508B1 publication Critical patent/EP1530508B1/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
    • 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
    • B21C23/21—Presses specially adapted for extruding metal
    • 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
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/212—Details

Definitions

  • the invention relates to a strand and tube press comprising a press frame consisting of upper and lower prestressed tension plates and upper and lower pressure supports connected to each other cylinder spar and counter-spar, in which a movable spar and a movable transducer, the one introduced with a loader to be pressed Block spends in pressing position in front of the counter-spar with die, are arranged.
  • Such a horizontal extruder or horizontal metal extrusion press has become known from EP 0 428 989 A2.
  • a heated in an oven to pressing temperature block is taken over by loading shells and brought by pivoting rotatably mounted on a shaft pivot arms - so-called Schwenklader as an alternative to also usual Linearblockladern - in the press axis in the free space between the die and the pressure plate.
  • Schwenklader By means of an adjusting cylinder of the spar and the billet are moved to the die, with the billet is placed over the block.
  • the axially movable pivot arm is displaced on the shaft until the block is clamped between the press ram and the counter-spar or the die fastened in a holder.
  • the procedure of the transducer is done by means of side cylinders.
  • extrusion and tube presses mentioned at the beginning are well known and operate according to various pressing methods, e.g. when pipe pressing over a fixed mandrel, as it is preferably used for aluminum and in particular for the production of small pipes.
  • pipe pressing over a fixed mandrel
  • the punching of the block in the press is possible (see, for example, "ALUMINUM 49 (1973) 4, pages 296 to 299").
  • the spar and the receiver are unchanged either on a separate base frame or on the connecting elements between the bars (pressure box, lamella or Pressure sleeve, tie rod) over sliding plates and sliding bushes out.
  • the latter are usually made of bronze materials or sliding plastics, so that these components are subject to relatively heavy wear. This inevitably means that the press alignment must be checked and readjusted at regular, short intervals and the sliding or guide units must be replaced. Since this wear has a direct impact on tool life, product quality, maintenance intensity and friendliness, as well as on the overall press condition, including wear on slave cylinders, pressure plates, etc., the guide systems are critical to general press operation.
  • the frame of the extruder performing compact unit of the press frame which receives the pressing force functionally.
  • the maximum force to be transmitted by the frame is composed of the forces generated by the plunger of the pressing cylinder, the side cylinders and the pick-up shift cylinders.
  • the cylinder spar and counter-spar which are connected to one another in a force-locking manner via four prestressed tension lamellae and four pressure supports, the expansion travel is reduced by more than 50% compared to non-prestressed columns of the generally customary dimensions.
  • there is still an elastic behavior of the press frame which has an influence on the running accuracy of the pickup and the running beam and thus the sliding guides.
  • the invention is therefore an object of the invention to provide a generic extrusion and tube press without the disadvantages mentioned, in particular to improve the operating characteristics even at high loads.
  • the cross member and the transducer with rolling elements having guide units in the press frame are movable.
  • the guide system thus contains neither sliding nor wear parts, but rather rolling elements (rollers, barrels, balls, needles, etc.), which are not subject to sliding wear, several advantages can be achieved simultaneously. It is a one-time hot alignment of the extruder sufficient to ensure the once set press axis.
  • An embodiment of the invention provides that the rolling elements of the guide units connected to the lower pressure supports Run guide rails, wherein advantageously the cross member is arranged on two guide units and the pickup on four guide units, of which either one or two supported on each of the parallel spaced-apart guide rails.
  • the exact number of guide units is nevertheless always on a concrete case, for example, depending on the size of the extruder to interpret.
  • an X or O arrangement can be provided in the guides. Compared with X-shaped rolling elements are rolling elements in O arrangement characterized by a higher rigidity, but are more prone to manufacturing errors and assembly tolerances.
  • the spar and the pickup on free pads on the guide units.
  • the strut and pickup are firmly connected to their guide units with the determination of which of the three axes (one or all three) is fixed, so that a decoupled system can be achieved.
  • the strut and the pickup can move independently of the guide unit in all three axes (X-Y and Z-axis).
  • the free pads starting from the guide units to the spar or pick-up towards a pressure plate, a spherical cap and a sliding plate.
  • the spherical cap provided in a complementary receptacle in this case prevents one of e.g. caused by manufacturing tolerances or assembly error constraint, while the pressure plate ensures a uniform distribution of stress on the guide units and the sliding plate contributes to the tolerance of axial movements of the pressure supports.
  • At least one spacer means is arranged, can be made in a simple manner, a height adjustment of transducer or strut to the press axis.
  • the spacer may, for example, be one or more intermediate fitting plates or adjusting screws.
  • the free supports of the guide units with a spring force, preferably biased. Due to the spring force, e.g. a spring assembly, in particular a prestressed spring assembly, the transducer or strut are returned to the center of the press in deflections. In this case, it can be ensured by adjusting the biasing force on the force required to move the pickup or strut that these components are reset even with small deflections of the spring.
  • the advantages of a preloaded over a non-preloaded system with the same spring constant are that even with small deflections, a high spring force is available.
  • Fig. 1 From a well-known horizontal extrusion press the press frame forming, compact press frame 1 is shown in Fig. 1 as a single component whose.
  • Fig. 5 which also reproduces the individual strokes or routes 7 of the spar 5 and 8 of the pickup 6 in the end position indicated in dashed lines in front of the counter-member 9 indicated here, the strut 5 by displacement cylinder 10 and the Transducer 6 by displacement cylinder 11 move. From the schematic representation is also clear that the running distances 7 and 8 increase with increasing press size.
  • Both the runner 5 and the receiver 6 run with rolling elements 12 or 13a and 13b (compare FIGS. 3 and 4) on guide rails 14, which are each connected to the two lower pressure supports 4 of the press frame 1 (see FIG. 1).
  • the rolling bodies 12 and 13a or 13b are mounted in guide units 15 designed as carriages in either O arrangement (compare the rolling bodies 13a in FIG. 4) or in X arrangements (compare the rolling bodies 13b in the right-hand subfigure 4).
  • the strut 5 is arranged on each side via a guide unit 15 and the pickup 6 via two guide units 15 on each side of the guide rails 14; the two guide units 15 of the pickup 6 are connected to each other via a bridge 16.
  • the strut 5 and the pickup 6 are - as shown in Fig. 2 using the example of the spar 5 - on free pads 17 on the guide units 15, ie they are not firmly connected to the guide system.
  • the free supports 17 are formed by a spherical cap 18, which are arranged in a complementary, in the spar 5 (or pickup 6) with the interposition of a sliding plate 19 engaging receptacle 20. Between the guide units 15 and the spherical caps 18, a pressure plate 21 is further arranged, and above the slide plate 19 can still pass plates 22 are provided, via which or can adjust the height adjustment of the strut 5 and 6 picker on press center.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Electric Cable Installation (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP03760558A 2002-06-19 2003-06-12 Strang- und rohrpresse Expired - Lifetime EP1530508B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10227488A DE10227488B3 (de) 2002-06-19 2002-06-19 Strang-und Rohrpresse
DE10227488 2002-06-19
PCT/DE2003/001929 WO2004000538A2 (de) 2002-06-19 2003-06-12 Strang- und rohrpresse

Publications (2)

Publication Number Publication Date
EP1530508A2 EP1530508A2 (de) 2005-05-18
EP1530508B1 true EP1530508B1 (de) 2006-08-02

Family

ID=29795831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03760558A Expired - Lifetime EP1530508B1 (de) 2002-06-19 2003-06-12 Strang- und rohrpresse

Country Status (11)

Country Link
US (1) US7216522B2 (ja)
EP (1) EP1530508B1 (ja)
JP (1) JP4071237B2 (ja)
KR (1) KR100984500B1 (ja)
AT (1) ATE334757T1 (ja)
AU (1) AU2003254607A1 (ja)
DE (2) DE10227488B3 (ja)
ES (1) ES2270100T3 (ja)
TR (1) TR200403179T2 (ja)
TW (1) TWI265054B (ja)
WO (1) WO2004000538A2 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004046229B3 (de) * 2004-09-22 2006-02-02 Sms Eumuco Gmbh Strang- und Rohrpresse
WO2013064250A1 (de) 2011-10-31 2013-05-10 Sms Meer Gmbh Verfahren zum herstellen von metallischen strangpressprodukten sowie strang- und rohrpresse
ES2570328T3 (es) 2011-10-31 2016-05-17 Sms Group Gmbh Prensa de extrusión y tubos o prensa de extrusión para metal
CN104668419B (zh) * 2013-11-27 2016-07-06 昆山永年先进制造技术有限公司 多牌坊多向承载机架液压机
DE102014209685B3 (de) * 2014-05-21 2015-10-22 Sms Meer Gmbh Strangpresse mit Hydraulikantrieb
JP6540067B2 (ja) * 2015-02-10 2019-07-10 宇部興産機械株式会社 押出プレスのスライド装置
DE102015116002B4 (de) * 2015-09-22 2019-08-29 Sms Group Gmbh Strangpresse
LU92917B1 (de) 2015-12-17 2017-06-19 Sms Group Gmbh Strang- und Rohrpresse bzw. Metallstrangpresse
PL233940B1 (pl) * 2018-01-31 2019-12-31 Albatros Aluminium Spólka Z Ograniczona Odpowiedzialnoscia Zespół do wyciskania rur cienkościennych owalnych korzystnie ze stopu aluminium 6082
CN108704948A (zh) * 2018-05-18 2018-10-26 上海海亮铜业有限公司 一种挤压机
IT201800020782A1 (it) * 2018-12-21 2020-06-21 Danieli Off Mecc Pressa per l’estrusione diretta di materiale metallico

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2002966A (en) * 1932-11-12 1935-05-28 Charles H Bickell Method of and apparatus for extruding tubes and other elongated shapes
US2188076A (en) * 1938-09-19 1940-01-23 Watson Stillman Co Extrusion press
DE1938024A1 (de) 1969-07-26 1971-02-04 Karl Gartner Strangpresse zur Herstellung von Leichtmetallprofilen
DE2331318C3 (de) 1973-06-20 1978-10-12 Schloemann-Siemag Ag, 4000 Duesseldorf Presse zur Massivumformung, beispielsweise Strang- oder Schmiedepresse mit Pressenrahmen in vorgespannter Bauweise
US4570473A (en) * 1984-02-23 1986-02-18 Sutton Engineering Company Extrusion press
DE3937276C1 (ja) 1989-11-09 1991-01-24 Hasenclever Maschf Sms
DE3938790C1 (ja) * 1989-11-23 1990-12-06 Hasenclever Maschf Sms
DE4230620C1 (de) 1992-09-12 1994-04-07 Hasenclever Maschf Sms Liegende Metallstrangpresse
DE19500555C1 (de) * 1995-01-11 1996-08-22 Hasenclever Maschf Sms Liegende Metallstrangpresse
DE19506521A1 (de) * 1995-02-24 1996-08-29 Schuler Pressen Gmbh & Co Presse, insbesondere zum Massivumformen

Also Published As

Publication number Publication date
KR20050008834A (ko) 2005-01-21
AU2003254607A1 (en) 2004-01-06
EP1530508A2 (de) 2005-05-18
JP4071237B2 (ja) 2008-04-02
ATE334757T1 (de) 2006-08-15
DE50304497D1 (de) 2006-09-14
AU2003254607A8 (en) 2004-01-06
US7216522B2 (en) 2007-05-15
TW200404624A (en) 2004-04-01
KR100984500B1 (ko) 2010-10-01
TR200403179T2 (tr) 2005-04-21
US20050252267A1 (en) 2005-11-17
TWI265054B (en) 2006-11-01
DE10227488B3 (de) 2004-02-12
JP2005529753A (ja) 2005-10-06
WO2004000538A3 (de) 2004-02-26
WO2004000538A2 (de) 2003-12-31
ES2270100T3 (es) 2007-04-01

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