EP3389884A1 - Strang- und rohrpresse bzw. metallstrangpresse - Google Patents
Strang- und rohrpresse bzw. metallstrangpresseInfo
- Publication number
- EP3389884A1 EP3389884A1 EP16823191.8A EP16823191A EP3389884A1 EP 3389884 A1 EP3389884 A1 EP 3389884A1 EP 16823191 A EP16823191 A EP 16823191A EP 3389884 A1 EP3389884 A1 EP 3389884A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- slide plate
- plunger
- central linkage
- cylinder housing
- 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
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
-
- 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
- B21C23/212—Details
-
- 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
- B21C23/217—Tube extrusion presses
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 the cylinder housing is assigned to the plunger hydraulic oil by means of a provided on a central linkage plate slide compensating tank, wherein in the transition from Expansion tank to the cylinder housing a in the opening function a adapted to the large inner diameter in the transition to the cylinder housing annular area cross-section releasing, a cap-like valve cone exhibiting filling valve t is.
- Such a metal extrusion press in which the tool, usually printing plate, die holder and die, having counter-spar is connected via tie rods or tension lamellae and pressure supports with the cylinder spar, has become known through the generic WO 2013 064 251 A1.
- the filling valve installed centrally in or on the cylinder housing of the master cylinder, a large annular surface is available, through which the oil can flow without great resistance from the expansion tank into the pressure chamber behind the plunger and upon switching of the plunger movement back into the expansion tank, ie the oil is shuttled during operation of the metal extrusion between the balancing cylinder and the cylinder housing swinging back and forth.
- the filling valve of this known metal extrusion press consists of a Gear, designed as a valve cone, which is arranged on the central linkage via a collar-like sliding bush, and a bushing in the pressing direction behind the valve cone enclosing annular cylinder, the cylinder piston depending on the acted upon with hydraulic oil piston side the sliding bush and to bring the poppet either in the closed position or in the open position.
- the admission of the cylinder piston requires before and behind this lying pressure chambers with appropriate pressure medium lines and seals.
- the built-in machine unit with its cylinder piston ring cylinder requires a certain production cost of the necessary functional elements and is required for maintenance work, eg. B. replacement of seals, not freely accessible.
- the invention is therefore based on the object to simplify the functional and design of the integrated between the master cylinder and the expansion tank filling valve in a generic metal extrusion while maintaining the proven Greets, especially in terms of hydraulic and electrical control requirements and the manufacturing and maintenance.
- This object is achieved in that the central linkage is designed as decoupled from the plunger sliding guide for the slide plate, wherein the slide plate extending away from the plunger end to at least two radially spaced from the central linkage, on the one hand at the rear end of the plunger and on the other fixed to the slide plate slide rods is fixed and the central linkage is connected to an actuator which is arranged outside of the surge tank and when actuated, the valve cone either lifts off from its valve seat in the filling valve or retracts into the valve seat.
- the central linkage is only provided with the valve cone screwed onto it at the front and no longer serves for transmitting the pressing piston movements to the sliding plate which is simultaneously displaced therewith. This is taken over rather by the two slide rods, the slide plate slides on the central linkage back and forth.
- the actuator preferably a hydraulic displacement cylinder, can be flanged to an advantageous embodiment of the invention in a simple manner to the rear wall of the expansion tank.
- the displacement cylinder is freely accessible from the outside and makes an integrated in the transition from balancing cylinder to the cylinder pressure cylinder ring including bushing for the poppet just as unnecessary, as for an annular cylinder additionally required pressure oil lines and seals.
- the slide rods are fixed by screw in the plunger and the slide plate.
- the slide rods are provided for this purpose at both ends with threaded pins, so that a threaded pin can be screwed into a threaded bore of the plunger and a nut can be screwed onto the other, from the slide plate outstanding threaded pin.
- screw connections other comparable types of fastening or means can be provided.
- a preferred embodiment of the invention provides a sleeve formed as a valve seat, sealingly inserted into a through bore of the rear wall of the cylinder housing.
- This free annular area cross-section is not affected for the operation of the filling valve when arranged according to a proposal of the invention in the socket one of an outer ring and a spaced therefrom inner ring, with respect to the sleeve narrower sealing and guide unit, wherein the outer ring in a circumferential groove engages the sleeve and the inner ring surrounds the central linkage like a sleeve.
- the central linkage can thereby be arranged with a two-point bearing and guide, namely on the one hand in the rear wall of the expansion tank and the other in the sleeve-like inner ring of the sealing and guiding unit in the valve seat bushing.
- Figure 1 in perspective view as a detail of a strand
- FIG. 1 is substantially the base frame. 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. For frictional connection of these components continue to contribute 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 Blocketzrichhalters 7.
- the a Blockillerwhi recipient and 8 having the Blockaufrichhalter is like the stamping Traverse 6, the leading end of a cylinder housing 9 of a main or Press cylinder with hydrostatic bearing 10 (see Figure 2) guided pressing piston 1 1 supports, by means of the embodiment of electric motors 12, 13, in particular servomotors, in the pressing direction 14 method.
- Such an electric motor 12, 13 is provided on each longitudinal side of the Blockaufrichhalters 7 and the stamping Traverse 6. To transmit or initiate the movement meshing pinion of the electric motors 12, 13 with racks.
- the strand and tube press 1 instead of electric motors 12, 13 for the movement and advancing movements of the stamping Traverse and the Blockaufillonhalters 7 z. B. be equipped with known, hydraulically actuated side cylinders and transducer-displacement cylinders.
- For upsetting and pressing a loaded into the Blockaufillon 8 block has the plunger 1 1 a ram 18.
- a surge tank 15 At the rear end of the cylinder housing 9 is a surge tank 15 and at whose end or rear wall 16 is an actuator 17, designed as a hydraulic displacement cylinder, flanged.
- the actuator 17 acts on a central linkage 19, onto which a large-surface valve plug 20 of a filling valve 21 integrated in the transition from the expansion tank 15 to the cylinder housing 9 of the main or pressing cylinder is screwed.
- the filling valve 21 further comprises a in a through hole of the rear wall of the cylinder housing 9 sealingly inserted, formed with a valve seat 22 for the valve plug 20 bushing 23.
- In the embodiment is still an outer ring 24 and spaced therefrom inner ring 25 having approximately in the middle of the socket 23 arranged sealing and guiding unit provided, wherein the outer ring 24 engages in a circumferential groove of the sleeve 22 and the inner ring 25 surrounds the central linkage 19 like a sleeve.
- the central linkage 19 is sealingly guided except in the sleeve-like inner ring 25 slidably in a bearing bush 26 in the rear wall 16 of the expansion tank 15.
- At least two slide rods 27 run parallel to and at a distance from the central linkage 19, on the rear ends of which a slide plate 28 slidingly guided on the central linkage 19 is arranged and fixed by means of nuts 29 screwed onto the threaded stud 28.
- the front ends of the two slide rods 27 are screwed with threaded pins in the plunger 1 1.
- the slide plate 28 entraining slide rods 27 are guided by sealingly inserted into the rear wall of the pressing cylinder 9 plug bushings 30.
- the central linkage 19 shifts in the pressing direction 14 and thus lifts the valve plug 20 from its valve seat 22 shown in solid lines in the dashed lines indicated Opening position from, in which the valve plug 20 dips into a recess 31 of the plunger 1 1.
- this opening position of the filling valve 21 is about the opening cross section of the sleeve 23 and the opening cross section between the outer and inner ring 24, 25, a large flow area available over the hydraulic oil from the surge tank 15 without much resistance in the pressure chamber of the cylinder housing 9 behind the Pressing piston 1 1 - and vice versa - can flow.
- the filling valve 21 is closed and the pressing force applied by feeding hydraulic oil from a tank, not shown, or the like in the pressure chamber behind the plunger 1 1. Since the filling valve 21 is closed, a further amount of hydraulic oil is expelled from the expansion tank 15 into the tank, not shown, with the further in the pressing direction 14 displacing pressing piston 1 1 of the retracted over the slide rods 27 slide plate 28.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Press Drives And Press Lines (AREA)
- Control Of Presses (AREA)
- Basic Packing Technique (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Extrusion Of Metal (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU92917A LU92917B1 (de) | 2015-12-17 | 2015-12-17 | Strang- und Rohrpresse bzw. Metallstrangpresse |
| PCT/EP2016/081087 WO2017102896A1 (de) | 2015-12-17 | 2016-12-14 | Strang- und rohrpresse bzw. metallstrangpresse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3389884A1 true EP3389884A1 (de) | 2018-10-24 |
| EP3389884B1 EP3389884B1 (de) | 2019-07-24 |
Family
ID=55027795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16823191.8A Active EP3389884B1 (de) | 2015-12-17 | 2016-12-14 | Strang- und rohrpresse bzw. metallstrangpresse |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10882091B2 (de) |
| EP (1) | EP3389884B1 (de) |
| JP (1) | JP6733996B2 (de) |
| KR (1) | KR102106289B1 (de) |
| CN (1) | CN108698099B (de) |
| ES (1) | ES2751873T3 (de) |
| LU (1) | LU92917B1 (de) |
| TW (1) | TWI643685B (de) |
| WO (1) | WO2017102896A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020103311A1 (de) * | 2020-02-10 | 2021-08-12 | Tpv Gmbh | Vorrichtung und Verfahren zum Formen eines strangförmigen Lebensmittels |
| KR102515724B1 (ko) * | 2022-07-15 | 2023-03-30 | 주식회사 비이에스 | 한외여과용 멤브레인 홀더 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362208A (en) * | 1965-01-07 | 1968-01-09 | Reynolds Metals Co | Extruding metal members of varying wall thickness |
| DE2322868A1 (de) | 1973-05-07 | 1974-11-28 | Schloemann Siemag Ag | Hydraulische presse zur herstellung von naepfen, insbesondere fuer gasflaschen aus aluminium |
| JPH0890293A (ja) | 1994-09-16 | 1996-04-09 | Toshiba Corp | プレス装置 |
| JP3643613B2 (ja) | 1995-02-02 | 2005-04-27 | 三菱重工業株式会社 | タンデム型射出成形機の射出プランジャ温度調節装置 |
| US5595085A (en) | 1996-02-14 | 1997-01-21 | Chen; Wu-Hsiung | Aluminum extruding machine |
| JP3402437B2 (ja) | 1997-07-04 | 2003-05-06 | ライト工業株式会社 | 管体の埋設工法 |
| KR100616308B1 (ko) * | 1999-09-03 | 2006-08-30 | 에스엠에스 오이무코 게엠베하 | 멀티실린더 금속바아 압출프레스 |
| TW519931U (en) * | 2001-01-08 | 2003-02-01 | Catcher Technology Co Ltd | Automatic extruding machine allowing improving properties of alloy materials |
| 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 |
| JP5382137B2 (ja) | 2009-12-14 | 2014-01-08 | 宇部興産機械株式会社 | 押出プレス |
| DE102011012760A1 (de) * | 2010-09-14 | 2012-03-15 | Sms Meer Gmbh | Strangpresse sowie Verfahren zum kontinuierlichen Pressen von Metall |
| JP5831742B2 (ja) | 2011-08-11 | 2015-12-09 | 宇部興産機械株式会社 | 押出プレス装置 |
| JP5834643B2 (ja) * | 2011-09-05 | 2015-12-24 | 宇部興産機械株式会社 | 押出プレス及び押出プレスの制御方法 |
| PL2773470T3 (pl) | 2011-10-31 | 2016-11-30 | Sposób wytwarzania metalowych produktów wytłaczanych oraz prasa do wytłaczania i do wytłaczania rur | |
| CN103906585B (zh) * | 2011-10-31 | 2015-11-25 | Sms米尔股份有限公司 | 挤压机 |
| JP5708549B2 (ja) * | 2012-03-30 | 2015-04-30 | 株式会社アドヴィックス | 車両用制動装置 |
| US9346089B2 (en) * | 2012-10-12 | 2016-05-24 | Manchester Copper Products, Llc | Extrusion press systems and methods |
-
2015
- 2015-12-17 LU LU92917A patent/LU92917B1/de active IP Right Grant
-
2016
- 2016-12-14 JP JP2018531361A patent/JP6733996B2/ja active Active
- 2016-12-14 ES ES16823191T patent/ES2751873T3/es active Active
- 2016-12-14 CN CN201680082032.8A patent/CN108698099B/zh not_active Expired - Fee Related
- 2016-12-14 KR KR1020187018970A patent/KR102106289B1/ko active Active
- 2016-12-14 US US16/062,906 patent/US10882091B2/en active Active
- 2016-12-14 WO PCT/EP2016/081087 patent/WO2017102896A1/de not_active Ceased
- 2016-12-14 EP EP16823191.8A patent/EP3389884B1/de active Active
- 2016-12-16 TW TW105141791A patent/TWI643685B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR102106289B1 (ko) | 2020-05-04 |
| JP6733996B2 (ja) | 2020-08-05 |
| LU92917B1 (de) | 2017-06-19 |
| CN108698099A (zh) | 2018-10-23 |
| EP3389884B1 (de) | 2019-07-24 |
| US10882091B2 (en) | 2021-01-05 |
| WO2017102896A1 (de) | 2017-06-22 |
| CN108698099B (zh) | 2020-01-14 |
| JP2018538145A (ja) | 2018-12-27 |
| TWI643685B (zh) | 2018-12-11 |
| KR20180089491A (ko) | 2018-08-08 |
| ES2751873T3 (es) | 2020-04-02 |
| US20190099792A1 (en) | 2019-04-04 |
| TW201729918A (zh) | 2017-09-01 |
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