EP2773471A1 - Strang- und rohrpresse bzw. metallstrangpresse - Google Patents
Strang- und rohrpresse bzw. metallstrangpresseInfo
- Publication number
- EP2773471A1 EP2773471A1 EP12788438.5A EP12788438A EP2773471A1 EP 2773471 A1 EP2773471 A1 EP 2773471A1 EP 12788438 A EP12788438 A EP 12788438A EP 2773471 A1 EP2773471 A1 EP 2773471A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- plunger
- pressing
- piston
- 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 18
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 18
- 238000007789 sealing Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003860 storage Methods 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
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/217—Tube extrusion presses
-
- 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 strand and tube press or metal extrusion press, which has a consisting of a cylinder spar and associated counter frame press frame in which a movable, a block receiver carrying block pickup holder and a movable stamping Traverse are provided, wherein in the cylinder spar a main or pressing cylinder is arranged, which receives in its cylinder housing at its front, supported by the stamping Traverse end provided with a ram pressing piston, and in which connected to a tank line cylinder housing a plunger hydraulic oil by means of a mounted on a rear end of the plunger rods slide plate is associated with supplying expansion tank, wherein the extending in the expansion tank linkage is connected to a arranged in the pressing direction behind the slide plate hydraulic supply.
- An extruder of this type in which the tool, usually pressure plate, die holder and die, having counter-spar is connected via tie rods or tension plates and pressure supports with the cylinder spar, has become known from DE 102 27 488 B3.
- a metal extrusion press is known with an expansion tank attached to the pressure oil supply of the plunger or plunger to the main cylinder.
- the rod carrying the slide plate is formed with a forward and retraction cylinder and a fixed outside of the end or rear wall of the surge tank hydraulic connection block. The ends of the rod end are arranged on the rod end remote from the master cylinder housing.
- CONFIRMATION COPY Nete slide plate slides in the expansion tank, wherein the end of the slide plate closed filling space is connected via connecting lines to the lying behind the plunger cylinder chamber of the master cylinder housing into which also opens a pressure oil line.
- the non-productive times must be minimized, in particular, the idler and the side of the cylinder associated with the Blockaufrichhalter, in which the block receiver or recipient is arranged, and the stamping cross member or strut idling and retreat with the highest possible speeds can handle.
- the rod designed as a forward and return cylinder is assigned switchable shut-off valves in the connecting lines leading from the filling chamber of the expansion tank to the cylinder space behind the plunger and formed in the cylinder housing bottom.
- this open with check valves, of which four are present 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.
- the oil Upon completion of the pressing stroke and then initiated with appropriate reversal of the hydraulic unit backward movement of the plunger into its initial position in the cylinder housing, the oil then flows back into the balancing cylinder, ie the oil is pushed back and forth under pressure during operation of the tube and extruder.
- the coping with large volume flows is to be achieved by providing two or more plungers of the same diameter with piston rods passing through the cylinder on both sides and sealing the two piston rods against the cylinders, Cylinder compartments of the same effective area exist on both sides, which are connected to each other by a short-circuit line which can be closed by a switchable shut-off valve for fast return stroke and fast-forward flow in this press
- Special piston-cylinder units are provided Partial spaces on both sides of the plunger connecting short circuit line is a faster transition of the oil from one to the other cylinder subspace with low flow resistance possible, the short-circuit lines and arranged in these switchable check valves however, require a large sizing.
- the invention is therefore an object of the invention to provide a strand and tube press or metal extruder of the type mentioned without the disadvantages described, in particular, should reduce the hydraulic effort and shorten the non-productive times with a more compact, simpler design.
- This object is achieved in that the linkage is designed with an integrated in the transition from the reservoir to the master cylinder, the local inner diameter of the cylinder housing adapted, in the opening function a large annular area cross-section releasing filling valve is formed.
- the displacement or ancestor and retraction of the guided in the master cylinder housing preferably with hydrostatic bearing plunger can thus be carried out very quickly, so that can shorten the non-productive times for the delivery of the plunger and Blockaufrichhalters.
- the amount of hydraulic oil still required after the delivery for pressing the charged block to produce an extruded product can preferably be supplied from a tank or other pressure medium supply into the pressure chamber of the cylinder housing behind the plunger. When a tank is interposed, only a significantly lower pendulum volume is required.
- a preferred embodiment of the invention provides that the filling valve consists of a filling valve cover, which is arranged on the linkage via a collar-like sliding bushing, and an annular bushing surrounding the bushing in the pressing direction behind the valve cover, the cylinder piston depending on the loaded with hydraulic oil piston side the sliding bush and thus brings the valve cover either in the closed position or in the open position.
- the filling valve is integrated in the cylinder housing of a press frame, in which the stamping crosshead and the block pickup holder are driven by means of electric motors, preferably servomotors.
- the very large, free flow cross-section of the filling valve makes this particularly suitable for operation of the tube and extruder with on the one hand switched servomotor drives for moving stamping post and Blockaufrichhalter and on the other hand for applying the required high compression and in particular pressing force during compression of the block an extrusion product. For pressing operation so that only a significantly reduced hydraulics is needed. It is within the scope of the possibilities that can be achieved by the use of regenerative power units from the braking energy of the electro-hydraulic drive units energy conservation.
- Figure 1 is a perspective view as a detail of a strand and tube press or metal extrusion press frame with arranged therein stamping Traverse and Blockaufrichhalter.
- Fig. 2 is a partially sectioned view of the rear end of a strand and tube press, without cylinder spar and without stamp crosspiece and
- Fig. 3 as a detail of Fig. 2 in a cross section integrally arranged in the cylinder housing of the master cylinder in the transition to the expansion tank filling valve.
- the base frame is shown in Fig. 1 substantially.
- This consists of a cylinder spar 2 and thus a tensioned on tension blades 3, not shown here, at the end of the tension blades 3 only indicated by the reference numeral 4 counter-spar.
- pressure supports 5 which enclose the tension blades 3 between the cylinder spar 2 and the counter-spar 4.
- the pressure supports 5 are also still used to guide receiving a movable in the base frame stamping Traverse 6 and a movable Blocketzillonhalters 7.
- a surge tank 15 At the rear end of the cylinder housing 9 of the cylinder spar 2 is a surge tank 15 and at its end or rear wall 16, a cylinder unit or a hydraulic connection block 17 is screwed, the latter for example, as known from EP 1 526 930 B1.
- the strand and tube press 1 instead of with electric motors 12, 13 for the traversing and advancing movements of the stamping traverse 6 and the Blockaufrichhalters 7 with known, hydraulically actuated side cylinders and Auf restructuringverschiebezylindern be equipped.
- the strand and tube press 1 instead of with electric motors 12, 13 for the traversing and advancing movements of the stamping traverse 6 and the Blockaufrichhalters 7 with known, hydraulically actuated side cylinders and Auf restructuringverschiebezylindern be equipped.
- Block receiver 8 loaded block has the plunger 11 a ram 18th
- a central filling valve 19 is formed, which consists of a large-scale valve cover 20 and a ring cylinder 21 for Gearventilbetuschist.
- the filling valve shown in Fig. 3 as an enlarged detail 19 is mounted on a at the rear end of the plunger 11, extending into the surge tank 15 and there a slide plate 22 supporting linkage 23 with the interposition of a collar-like sliding sleeve 24, on which also the ring cylinder 21st sits, arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Press Drives And Press Lines (AREA)
- Extrusion Of Metal (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Forging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011117275 | 2011-10-31 | ||
PCT/EP2012/004554 WO2013064251A1 (de) | 2011-10-31 | 2012-10-31 | Strang- und rohrpresse bzw. metallstrangpresse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2773471A1 true EP2773471A1 (de) | 2014-09-10 |
EP2773471B1 EP2773471B1 (de) | 2016-03-23 |
Family
ID=47216189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12788438.5A Active EP2773471B1 (de) | 2011-10-31 | 2012-10-31 | Strang- und rohrpresse bzw. metallstrangpresse |
Country Status (9)
Country | Link |
---|---|
US (1) | US10166585B2 (de) |
EP (1) | EP2773471B1 (de) |
JP (1) | JP5921702B2 (de) |
KR (1) | KR101557132B1 (de) |
CN (1) | CN103906585B (de) |
ES (1) | ES2570328T3 (de) |
PL (1) | PL2773471T3 (de) |
RU (1) | RU2569008C1 (de) |
WO (1) | WO2013064251A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014100444B4 (de) * | 2014-01-16 | 2017-06-29 | MAQUET GmbH | Vorrichtung zum linearen Verschieben einer Patientenlagerfläche und Verfahren zur Montage einer derartigen Vorrichtung |
DE102014209685B3 (de) * | 2014-05-21 | 2015-10-22 | Sms Meer Gmbh | Strangpresse mit Hydraulikantrieb |
KR101926295B1 (ko) * | 2015-06-12 | 2018-12-06 | 우베 고산 기카이 가부시키가이샤 | 하이브리드 압출 프레스 |
LU92917B1 (de) | 2015-12-17 | 2017-06-19 | Sms Group Gmbh | Strang- und Rohrpresse bzw. Metallstrangpresse |
CN105583248B (zh) * | 2015-12-17 | 2018-08-24 | 黎永伦 | 多级推棒器 |
CN105598197A (zh) * | 2016-03-22 | 2016-05-25 | 中国重型机械研究院股份公司 | 反向双动挤压机刚度增强装置 |
KR101844007B1 (ko) * | 2016-06-30 | 2018-03-30 | (주)유성 | 투입부하저감장치가 구비되는 연료투입장치 |
CN114850277B (zh) * | 2022-05-24 | 2023-10-20 | 嘉兴巨盈金属制品有限公司 | 一种轴套类零件加工用液压机及加工工艺 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3182479A (en) * | 1961-11-07 | 1965-05-11 | Loewy Eng Co Ltd | Extrusion press with twin containers |
GB1094132A (en) | 1964-02-27 | 1967-12-06 | Loewy Eng Co Ltd | Hydraulic press |
DE2419709B2 (de) * | 1974-04-24 | 1976-09-02 | Schloemann-Siemag AG, 4000 Düsseldorf | Presstempelhalterung an einer metallstrangpresse |
DE2704652A1 (de) * | 1977-02-04 | 1978-08-17 | Schloemann Siemag Ag | Anordnung zur dornhubbegrenzung bei metallstrang- und rohrpressen |
JPH03114611A (ja) * | 1989-09-29 | 1991-05-15 | Ube Ind Ltd | 押出プレス |
SU1827880A1 (ru) * | 1990-02-08 | 1996-11-10 | Производственное объединение "Коломенский завод тяжелого станкостроения" | Гидравлический экструзионный пресс |
IT1262612B (it) | 1993-04-29 | 1996-07-04 | Profilato tubolare da impiegare nella costruzione di pavimenti, in particolare per porcilaie. | |
AT404640B (de) * | 1994-02-18 | 1999-01-25 | Engel Gmbh Maschbau | Verfahren zum betätigen der schliesseinrichtung einer zweiplatten-spritzgiessmaschine |
JP3114611B2 (ja) | 1996-03-28 | 2000-12-04 | 日本電気株式会社 | 半導体記憶装置 |
DE19629853A1 (de) | 1996-07-24 | 1998-01-29 | Sms Schloemann Gmbh | Antriebsanordnung für eine Metallstrangpresse |
EP0978332B1 (de) * | 1998-08-07 | 2000-12-06 | SMS EUMUCO GmbH | Mehrzylinder-Metallstrangpresse |
DE10227488B3 (de) | 2002-06-19 | 2004-02-12 | Sms Eumuco Gmbh | Strang-und Rohrpresse |
DE10236297A1 (de) * | 2002-08-08 | 2004-02-19 | Sms Eumuco Gmbh | Haupt- bzw. Preßzylinder einer Rohr- und Strangpresse |
CN2805966Y (zh) * | 2005-05-24 | 2006-08-16 | 崔锋 | 350吨焊锡丝挤压机 |
CN100577317C (zh) * | 2008-07-10 | 2010-01-06 | 周家镳 | 合金钢卧式反向挤压机 |
JP5382137B2 (ja) * | 2009-12-14 | 2014-01-08 | 宇部興産機械株式会社 | 押出プレス |
-
2012
- 2012-10-31 RU RU2014108603/02A patent/RU2569008C1/ru active
- 2012-10-31 ES ES12788438T patent/ES2570328T3/es active Active
- 2012-10-31 CN CN201280053835.2A patent/CN103906585B/zh active Active
- 2012-10-31 PL PL12788438.5T patent/PL2773471T3/pl unknown
- 2012-10-31 EP EP12788438.5A patent/EP2773471B1/de active Active
- 2012-10-31 KR KR1020147001263A patent/KR101557132B1/ko active IP Right Grant
- 2012-10-31 JP JP2014539257A patent/JP5921702B2/ja active Active
- 2012-10-31 WO PCT/EP2012/004554 patent/WO2013064251A1/de active Application Filing
- 2012-10-31 US US14/128,065 patent/US10166585B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013064251A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013064251A1 (de) | 2013-05-10 |
KR101557132B1 (ko) | 2015-10-02 |
PL2773471T3 (pl) | 2016-11-30 |
JP5921702B2 (ja) | 2016-05-24 |
KR20140024052A (ko) | 2014-02-27 |
US20150290690A1 (en) | 2015-10-15 |
EP2773471B1 (de) | 2016-03-23 |
US10166585B2 (en) | 2019-01-01 |
ES2570328T3 (es) | 2016-05-17 |
CN103906585A (zh) | 2014-07-02 |
JP2014532564A (ja) | 2014-12-08 |
CN103906585B (zh) | 2015-11-25 |
RU2569008C1 (ru) | 2015-11-20 |
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