EP1134044B1 - Antriebsanordnung einer Metallstrangpresse - Google Patents
Antriebsanordnung einer Metallstrangpresse Download PDFInfo
- Publication number
- EP1134044B1 EP1134044B1 EP00127142A EP00127142A EP1134044B1 EP 1134044 B1 EP1134044 B1 EP 1134044B1 EP 00127142 A EP00127142 A EP 00127142A EP 00127142 A EP00127142 A EP 00127142A EP 1134044 B1 EP1134044 B1 EP 1134044B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pick
- surface side
- cylinder units
- holder
- chambers
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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 drive arrangement for the return movement of the pickup holder and strut of a metal extrusion press with one or more intermediate a cylinder spar and a counter-spar acting, the pressing force applying Cylinder units and the pickup holder and a ram supporting strut associated with pick-up and strut auxiliary cylinder units, wherein for the return movement, the annular surface side cylinder chambers of the pickup auxiliary cylinder units druckbeaufschlagbar and their piston surface side cylinder chambers can be connected to a tank, the transducer auxiliary cylinder units are suitable, in a first drive phase the pickup holder on mechanical contact to drive with the spar and then the spar by means of the pickup holder to slide into the block loading position.
- the extruder After pressing a block, the extruder must always be moved apart to create enough space for reloading.
- the transducer or pickup holder and the strut In a first phase, the transducer or pickup holder and the strut must moved backwards in parallel. This is with metal extrusion with the cylinder arrangement described in the introduction usually carried out in such a way that either the pickup holder and the strut controlled separately or the pickup holder is driven and then the spar with pushes back.
- the moving parts are thus at the same time or in succession move in block loading position.
- an extruder is for reducing the flow rates and performing a Rapid traverse a differential circuit (also Druckölüberglazed or regenerative Called) usual, but only for rapid traverse to the right of way, not but can be used for the rapid return.
- the invention is therefore the object of a generic drive arrangement a metal extrusion press also for the return movement with control of the pickup holder and in consequence of this taken away Laufholm a rapid traverse and thus a significant reduction in non-productive time allow without additional equipment such as other pumps or accumulators to have to install.
- the metal extrusion press shown in the embodiment of FIG. 1 has a from a cylinder spar 1, a counter-spar 2 and these connecting tie rods 3 existing frame, in which along the press axis movable a transducer 4 carrying a transducer holder 5 and a ram. 6 carrying strut 7 are guided.
- a die with die holder 8 In their place in the indirect pressing a die stamp occurs.
- the pickup 5 is by auxiliary piston-cylinder units 9th moves, of which the pickup 4 during the extrusion of a strand is pressed against it by the die 8 and of which the transducer holder 5 with pickup 4 for removing the press residue and for loading a new moved back to be pressed block or moved backwards.
- the Pressing a block takes place during direct pressing travel by means of the press ram 6, for this purpose with the strut 7 of a piston 10 via the piston rod 11 is moved to the die 8 to.
- the pickup holder 5 For rapid traverse return movement of the pickup holder 5 and strut 7 is the pickup holder 5 initially moved to mechanical contact with the spar 7, as shown in Fig. 2, including the annular surface side cylinder chambers 9a over the Pressure oil port P and the interposition of a valve 13 via the leads 14 and 15 are supplied with pressure oil, while the piston surface side Cylinder chambers 9b of the pick-up auxiliary cylinder units 9 via a open tank line 16 are connected to the tank T, so that the displaced Oil can drain.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Extrusion Of Metal (AREA)
- Control Of Presses (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Description
- Fig. 1
- in sehr schematischer Weise eine Prinzipdarstellung einer Metalistrangpresse in Rahmenbauart mit an den Aufnehmerhalter und den Laufholm angreifenden Hilfszylindereinheiten; und
- Fig. 2
- als Einzelheit einer wie in Fig. 1 gezeigt Hilfszylindereinheiten aufweisenden Metallstrangpresse ein vereinfachtes Schaltbild einer Differentialschaltung zur Rückbewegung bzw. zum Auseinanderfahren der Presse im Eilgang.
Claims (1)
- Antriebsanordnung zur Rückbewegung von Aufnehmerhalter (5) und Laufholm (7) einer Metallstrangpresse mit einer oder mehreren zwischen einem Zylinderholm (1) und einem Gegenholm (2) wirkenden, die Preßkraft aufbringenden Kolben-Zylinder-Einheiten (10) sowie dem Aufnehmerhalter (5) und dem einen Preßstempel (6) tragenden Laufholm (7) zugeordneten Aufnehmer- bzw. Laufholm-Hilfszylindereinheiten (9, 12), wobei zur Rückbewegung die ringflächenseitigen Zylinderräume (9a) der Aufnehmer-Hilfszylindereinheiten (9) druckbeaufschlagbar und ihre kolbenflächenseitigen Zylinderräume (9b) mit einem Tank (T) verbindbar sind, die Aufnehmer-Hilfszylindereinheiten (9) dazu geeignet sind in einer ersten Ansteuerphase den Aufnehmerhalter (5) auf mechanischen Kontakt mit dem Laufholm (7) zu fahren und danach den Laufholm (7) mittels des Aufnehmerhalters (5) in die Endposition zu schieben,
dadurch gekennzeichnet, daß während dieser Rückbewegung die ringflächenseitigen Zylinderräume (9a) der Aufnehmer-Hilfszylindereinheiten (9) über ihre Auschlußleitung (19) zur Druckölversorgung gleichzeitig sowohl an die ringflächenseitigen Zylinderräume (12b) als auch an die kolbenflächenseitigen Zylinderräume (12a) der Laufholm-Hilfszylindereinheiten (12) anschließbar sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10006704 | 2000-02-15 | ||
| DE10006704A DE10006704B4 (de) | 2000-02-15 | 2000-02-15 | Antriebsanordnung einer Metallstrangpresse |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1134044A2 EP1134044A2 (de) | 2001-09-19 |
| EP1134044A3 EP1134044A3 (de) | 2003-05-21 |
| EP1134044B1 true EP1134044B1 (de) | 2005-10-12 |
Family
ID=7630981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00127142A Expired - Lifetime EP1134044B1 (de) | 2000-02-15 | 2000-12-12 | Antriebsanordnung einer Metallstrangpresse |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6484548B2 (de) |
| EP (1) | EP1134044B1 (de) |
| JP (1) | JP3646069B2 (de) |
| AT (1) | ATE306332T1 (de) |
| DE (2) | DE10006704B4 (de) |
| ES (1) | ES2250067T3 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19936189A1 (de) * | 1999-07-31 | 2001-02-15 | Rowenta Werke Gmbh | Bügeleisenmantel |
| JP5387716B2 (ja) * | 2012-04-13 | 2014-01-15 | 宇部興産機械株式会社 | 押出プレス装置 |
| CN104826884B (zh) * | 2015-04-23 | 2018-04-27 | 安徽江南鸣放电子科技有限公司 | 一种镀镍铜线生产装置 |
| JP6717039B2 (ja) * | 2016-05-10 | 2020-07-01 | 宇部興産機械株式会社 | 押出プレスのコンテナ・メインクロスヘッドの後退動作方法 |
| CN107433707B (zh) * | 2016-05-26 | 2019-05-07 | 林少伟 | 液压驱动挤出机 |
| JP6992588B2 (ja) * | 2018-02-23 | 2022-01-13 | 宇部興産機械株式会社 | 押出プレス装置及び押出プレス装置のメインクロスヘッド後退制御方法 |
| CN111842526B (zh) * | 2020-06-10 | 2022-09-16 | 佛山市恒力泰机械有限公司 | 铝型材挤压机速度控制方法、系统及控制装置 |
| CN112283181A (zh) * | 2020-09-25 | 2021-01-29 | 哈尔滨工业大学 | 足式机器人用高功率密度辅助增力液压缸 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094132A (en) * | 1964-02-27 | 1967-12-06 | Loewy Eng Co Ltd | Hydraulic press |
| US3446053A (en) * | 1966-05-02 | 1969-05-27 | Farrel Corp | Hydraulically operated machine and control system therefor |
| US3649816A (en) * | 1970-11-09 | 1972-03-14 | Allegheny Ludlum Ind Inc | Control system for hydraulic extrusion press |
| GB1566617A (en) * | 1977-04-04 | 1980-05-08 | Davy Loewy Ltd | Extrusion press |
| JPS5456967A (en) * | 1977-10-15 | 1979-05-08 | Kobe Steel Ltd | Indirect extrusion method |
| US4379398A (en) * | 1980-06-12 | 1983-04-12 | Kabushiki Kaisha Kobe Seiko Sho | Pull-back type indirect extrusion press |
| IT1251314B (it) * | 1991-09-13 | 1995-05-08 | Innocenti Eng Spa | Pressa per estrusione di metalli in genere ed in particolare dell'alluminio |
| FI99266C (fi) * | 1996-03-15 | 1998-02-10 | Tamrock Oy | Sovitelma paineväliainesylinterissä |
| DE19629853A1 (de) * | 1996-07-24 | 1998-01-29 | Sms Schloemann Gmbh | Antriebsanordnung für eine Metallstrangpresse |
-
2000
- 2000-02-15 DE DE10006704A patent/DE10006704B4/de not_active Expired - Fee Related
- 2000-12-12 AT AT00127142T patent/ATE306332T1/de active
- 2000-12-12 ES ES00127142T patent/ES2250067T3/es not_active Expired - Lifetime
- 2000-12-12 EP EP00127142A patent/EP1134044B1/de not_active Expired - Lifetime
- 2000-12-12 DE DE50011331T patent/DE50011331D1/de not_active Expired - Lifetime
-
2001
- 2001-02-13 JP JP2001035856A patent/JP3646069B2/ja not_active Expired - Lifetime
- 2001-02-15 US US09/783,757 patent/US6484548B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001252714A (ja) | 2001-09-18 |
| JP3646069B2 (ja) | 2005-05-11 |
| EP1134044A2 (de) | 2001-09-19 |
| DE10006704B4 (de) | 2005-02-24 |
| DE10006704A1 (de) | 2001-08-23 |
| US20010023606A1 (en) | 2001-09-27 |
| ATE306332T1 (de) | 2005-10-15 |
| ES2250067T3 (es) | 2006-04-16 |
| US6484548B2 (en) | 2002-11-26 |
| EP1134044A3 (de) | 2003-05-21 |
| DE50011331D1 (de) | 2005-11-17 |
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