EP1526930B1 - Cylindre principal ou cylindre de compression d'une extrudeuse - Google Patents

Cylindre principal ou cylindre de compression d'une extrudeuse Download PDF

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Publication number
EP1526930B1
EP1526930B1 EP03778235A EP03778235A EP1526930B1 EP 1526930 B1 EP1526930 B1 EP 1526930B1 EP 03778235 A EP03778235 A EP 03778235A EP 03778235 A EP03778235 A EP 03778235A EP 1526930 B1 EP1526930 B1 EP 1526930B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
rod
plunger
tube
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.)
Expired - Lifetime
Application number
EP03778235A
Other languages
German (de)
English (en)
Other versions
EP1526930A1 (fr
Inventor
Uwe Muschalik
Karl Hermann Claasen
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 EP1526930A1 publication Critical patent/EP1526930A1/fr
Application granted granted Critical
Publication of EP1526930B1 publication Critical patent/EP1526930B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/323—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means
    • 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
    • B21C23/211—Press driving devices

Definitions

  • the invention relates to a tube and extruder with a main or pressing cylinder, which is arranged in a cylinder spar and has in its cylinder housing a connected to a projecting rod of the cylinder housing plunger.
  • a tube and extruder, designed as a frameless metal extruder, in which the rods of the plunger are designed as piston rods, which take the place of the tie rods or columns in the usual frame design, by being connected to the counter-spar, with two such Haupt- or pressing cylinder is through the DE 198 35 717 A1 known.
  • the master cylinder are therefore formed with approximately equal displacement on both sides of the Hauptpreßkolben and switchable connections of the two-sided cylinder subspaces.
  • the plunger of the cylinder held by the hollow cylinder press cylinder are subjected, for which extend the piston rods of the plunger into the barrel spar and are connected thereto.
  • the plungers with their piston rods are hollow drilled over part of their length to cylinder bores, plunge into the plunger, which are supported on the cylinder-closing lids.
  • the plungers can be returned to the starting position with them via the piston rods of the strut.
  • more piston-cylinder units are also supported in order to move the spar in idle / rapid traverse can.
  • the counter-spar are preceded by numerous components, in particular the protruding master cylinder with its piston rods as a connection to the strut. This limits the working range of a metal extrusion press, especially if no straight extruded profiles, but those with curvatures or radii in different directions to be produced (see. EP 0 706 843 B1 ).
  • the invention is therefore an object of the invention to provide a main or pressure cylinder of the type mentioned, while allowing a short circuit technology for rapid movement in a simpler manner, a rapid transition of the pressure oil from one to another room, while reducing the construction costs and in particular allows a press construction, which provides a sufficiently large space in front of the counter-spar in order to produce strand products with radii or bends unhindered can.
  • the filling space of the surge tank is also connected to a tank line, and that further preferably in the leading from the filling chamber to the cylinder chamber behind the plunger, formed in the cylinder housing bottom connecting lines switchable check valves are arranged.
  • open check valves four of which are available, designed as two-way cartridge valves, which are also known as logic or cartridge valves, from which from the filling of the Equalizing tank supplied oil is lapped.
  • a cylinder spar 2 is shown attached to it with its cylinder housing 3 main or press cylinder 4.
  • the cylinder spar 2 is in the direction of drawing to the left seen with a tool (pressure plate, die holder and die) stocked counter-spar - not shown - opposite.
  • a plunger 5 is arranged, which is provided at its front end in the pressing direction 6 immediately with a ram 7, which presses upon loading of the plunger 5 a previously loaded in a pickup block by the tool of the counterstay (not shown).
  • the rod 9 is formed with an integrated forward and retraction cylinder 12.
  • a sabot 15 and a concentrically enclosing this enclosing an annular gap 16 shell housing 17 is fixed, the latter in turn with the inner wall of the hollow bore 13 defines a pressure chamber 18.
  • the immersed in the axial hollow bore 13 of the rod 9 ends of the jacket housing 17 and the sword tube 15 are designed as sealed against the inner wall of the hollow bore 13 radial collar 19 and the annular gap 16 sealing head thickening 20.
  • a pressure chamber 18 sealing pack 21 which slides on lifting motions of the plunger 5 on the jacket housing 17, screwed to the rod 9.
  • holes 22 are incorporated into the radial collar 19 of the shell.
  • the hydraulic connection block 14 has an opening into the sear tube 15 and an opening into the annular gap 16 line connection 23 and 24, which are connected via lines 25 and 26 to a not shown oil supply and conventional hydraulic unit.
  • a pressure oil line 27 from an oil supply oil in the cylinder chamber 28 behind the plunger 5 and at the same time via the line 25 and the port 23 in the rapier tube 15, so that this additional amount of oil in a before the radial collar 19 and the head thickening 20 lying pressure chamber 29 of the hollow bore 13 of the rod 9 passes and supports the forward stroke.
  • the oil supply is blocked via the line 25 to the rapier tube 15 and the working pressure applied only via the pressure oil line 27.
  • the embodiment of the drawing also shows that the trained with the integrated forward and retraction cylinder 12 rod 9 is further combined with a bolted to the cylinder housing bottom 8 reservoir 30. This is closed at its rear end by a fixed to the rod 9 slide 31, the lateral surface sealed slides during strokes on the container inner wall.
  • the hydraulic connection block 14 for the integrated forward and retraction cylinder 12 of the rod 9 is screwed here with a bell 32, which in turn is screwed to the end face of the surge tank 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Press Drives And Press Lines (AREA)
  • Extrusion Of Metal (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Electric Cable Installation (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (3)

  1. Presse à filer extrudeuse de tubes (1) comportant un cylindre principal ou de presse qui est disposé dans un sommier à cylindre (2) et présente dans son boîtier de cylindre (3) un piston de presse (5) relié une barre (9) dépassant du boîtier à cylindre,
    caractérisée en ce que
    l'extrémité dépassant librement de la barre (9) est entourée d'un réservoir d'équilibre (30) fixé sur le boîtier de cylindre principal (3) et dans lequel, en cas de sollicitation par pression du piston de presse (5), coulisse un registre (31) étanche par rapport interne du réservoir et disposé à l'extrémité de barre éloignée du boîtier de cylindre principal (3), l'espace de chargement (33) constitué entre la barre (9) et le réservoir d'équilibre (30) et fermé au bout par le registre (31) étant raccordé par des conduites de connexion (35) à la chambre à cylindre (28) du boîtier de cylindre principal (3) se trouvant derrière le piston de presse (5) et dans laquelle débouche aussi une conduite d'huile sous pression (27).
  2. Presse à filer extrudeuse de tubes (1) selon la revendication 1,
    caractérisée en ce que
    l'espace de chargement (33) du réservoir d'équilibre (30) est en outre raccordé à une conduite de citerne (34).
  3. Presse à filer extrudeuse de tubes (1) selon la revendication 1 ou 2,
    caractérisée en ce que,
    dans les conduites de connexion (35) allant de l'espace de chargement (33) à la chambre à cylindre (28) derrière le piston de presse (5) et réalisées dans le fond de la chambre à cylindre (8), sont disposées des soupapes de retenue commutables (36).
EP03778235A 2002-08-08 2003-08-05 Cylindre principal ou cylindre de compression d'une extrudeuse Expired - Lifetime EP1526930B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10236297A DE10236297A1 (de) 2002-08-08 2002-08-08 Haupt- bzw. Preßzylinder einer Rohr- und Strangpresse
DE10236297 2002-08-08
PCT/DE2003/002621 WO2004018120A1 (fr) 2002-08-08 2003-08-05 Cylindre principal ou cylindre de compression d'une extrudeuse

Publications (2)

Publication Number Publication Date
EP1526930A1 EP1526930A1 (fr) 2005-05-04
EP1526930B1 true EP1526930B1 (fr) 2007-07-04

Family

ID=30469564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03778235A Expired - Lifetime EP1526930B1 (fr) 2002-08-08 2003-08-05 Cylindre principal ou cylindre de compression d'une extrudeuse

Country Status (7)

Country Link
US (1) US7421874B2 (fr)
EP (1) EP1526930B1 (fr)
JP (1) JP4149995B2 (fr)
AT (1) ATE366152T1 (fr)
DE (2) DE10236297A1 (fr)
ES (1) ES2289343T3 (fr)
WO (1) WO2004018120A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064251A1 (fr) 2011-10-31 2013-05-10 Sms Meer Gmbh Presse d'extrusion de tubes ou de barres métalliques
WO2013064250A1 (fr) 2011-10-31 2013-05-10 Sms Meer Gmbh Procédé de production de produits métalliques filés ainsi que presse à filer pour produits pleins et tubulaires
DE102014209685B3 (de) * 2014-05-21 2015-10-22 Sms Meer Gmbh Strangpresse mit Hydraulikantrieb

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985150B (zh) * 2010-08-02 2013-06-12 天津市天锻压力机有限公司 具有等温锻造和压制电极复合功能的液压机
CN102729518B (zh) * 2011-04-13 2015-12-16 昆山永年先进制造技术有限公司 液压机、用于液压机的缸梁结构及其制造方法
DE102012009182A1 (de) * 2012-05-10 2013-11-14 Sms Meer Gmbh Hydraulische Strangpresse sowie Verfahren zum Betrieb einer hydraulischen Strangpresse
LU92917B1 (de) * 2015-12-17 2017-06-19 Sms Group Gmbh Strang- und Rohrpresse bzw. Metallstrangpresse

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1402722A1 (de) * 1961-05-23 1968-11-28 Benteler Werke Ag Verfahren und Einrichtung zum Strangpressen von Rohren
US3243984A (en) * 1963-09-20 1966-04-05 Baldwin Lima Hamilton Corp Extrusion press for hollow extrusions
US3355927A (en) * 1964-03-05 1967-12-05 Baldwin Lima Hamilton Corp Extrusion press for multiple tube configurations and the like
JPS5215627B1 (fr) * 1971-07-10 1977-05-02
FR2154971A5 (en) * 1971-10-01 1973-05-18 Morane Somua Presses Mat Direct method drawing presses - with simplified charging and shortened drive element work path
DE2419709B2 (de) * 1974-04-24 1976-09-02 Schloemann-Siemag AG, 4000 Düsseldorf Presstempelhalterung an einer metallstrangpresse
JPS56165556A (en) * 1980-05-23 1981-12-19 Mitsubishi Heavy Ind Ltd Die clamping device
JPH0773784B2 (ja) * 1990-08-15 1995-08-09 日精樹脂工業株式会社 成形機の型締装置
DE4428827A1 (de) 1994-08-17 1996-03-14 Kleiner Matthias Prof Dr Ing H Verfahren zur Herstellung von gekrümmten Werkstücken durch eine Kombination von Strangpressen und Biegen
DE19835717A1 (de) * 1998-08-07 2000-02-17 Sms Eumuco Gmbh Mehrzylinder-Metallstrangpresse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064251A1 (fr) 2011-10-31 2013-05-10 Sms Meer Gmbh Presse d'extrusion de tubes ou de barres métalliques
WO2013064250A1 (fr) 2011-10-31 2013-05-10 Sms Meer Gmbh Procédé de production de produits métalliques filés ainsi que presse à filer pour produits pleins et tubulaires
KR20140027536A (ko) * 2011-10-31 2014-03-06 에스엠에스 메르 게엠베하 금속 압출 프레스 제품의 제조 방법과 압출 및 튜브 프레스
RU2569008C1 (ru) * 2011-10-31 2015-11-20 Смс Меер Гмбх Трубопрутковый пресс или пресс для выдавливания фасонных изделий
KR101584075B1 (ko) 2011-10-31 2016-01-11 에스엠에스 메르 게엠베하 금속 압출 프레스 제품의 제조 방법과 압출 및 튜브 프레스
DE102014209685B3 (de) * 2014-05-21 2015-10-22 Sms Meer Gmbh Strangpresse mit Hydraulikantrieb

Also Published As

Publication number Publication date
EP1526930A1 (fr) 2005-05-04
JP2005534501A (ja) 2005-11-17
US7421874B2 (en) 2008-09-09
ATE366152T1 (de) 2007-07-15
JP4149995B2 (ja) 2008-09-17
DE10236297A1 (de) 2004-02-19
ES2289343T3 (es) 2008-02-01
WO2004018120A1 (fr) 2004-03-04
DE50307620D1 (de) 2007-08-16
US20060101886A1 (en) 2006-05-18

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