EP0097115B1 - Dispositif et procédé pour le filage de profils ou analogue d'un bloc ou d'une billette - Google Patents

Dispositif et procédé pour le filage de profils ou analogue d'un bloc ou d'une billette Download PDF

Info

Publication number
EP0097115B1
EP0097115B1 EP83810226A EP83810226A EP0097115B1 EP 0097115 B1 EP0097115 B1 EP 0097115B1 EP 83810226 A EP83810226 A EP 83810226A EP 83810226 A EP83810226 A EP 83810226A EP 0097115 B1 EP0097115 B1 EP 0097115B1
Authority
EP
European Patent Office
Prior art keywords
receiver
ingot
extrusion
press ram
endface
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
Application number
EP83810226A
Other languages
German (de)
English (en)
Other versions
EP0097115A1 (fr
Inventor
Alfred Wagner
Adolf Ames
Ulf Hodel
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.)
Rio Tinto Switzerland AG
Original Assignee
Schweizerische Aluminium AG
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 Schweizerische Aluminium AG filed Critical Schweizerische Aluminium AG
Priority to AT83810226T priority Critical patent/ATE21054T1/de
Publication of EP0097115A1 publication Critical patent/EP0097115A1/fr
Application granted granted Critical
Publication of EP0097115B1 publication Critical patent/EP0097115B1/fr
Expired legal-status Critical Current

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
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels for metal extruding
    • B21C35/04—Cutting-off or removing waste
    • 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
    • B21C26/00—Rams or plungers for metal extruding; Discs therefor
    • 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
    • B21C27/00—Containers for metal to be extruded
    • B21C27/04—Venting metal-container chamber

Definitions

  • the invention relates to a device for the extrusion of profiles or the like. From a block or bolt stored in a receiver bore of a block receiver, in particular from a light metal bolt, by means of a moving ram through the shaping cross section of a die connected downstream of the block receiver on a die holder, between block receiver and A pre-recipient is arranged with a compensation chamber which is coaxial with the receiving bore of the block receiver.
  • the invention also relates to a method for extrusion therefor.
  • a device of this type is known from DE-OS 26 51 564, in which it is described how the bolt is placed in front of the pick-up bore by means of a loading carriage and then inserted into it by a press ram. The back of the bolt lies on the die. It has been found to be disadvantageous in the known extrusion presses that at the end of the pressing process a so-called pressing residue always remains, which protrudes from the die like a disk and not only has to be removed in a complex manner, but also represents a reduction in the pressing rate.
  • US-A-3 369 384 is considered the closest prior art.
  • This patent shows a pre-recipient which is arranged between the main recipient and the matrix receiver. This pre-recipient can only be moved in the pressing direction relative to the other two parts.
  • the seal (41, 51) between the pre-recipient and the main recipient is metal-tight, but not air-tight.
  • the bars When the bars are pushed up - not pushed in - they usually have a bulbous shape.
  • the belly has grown so large that it lies against the inside diameter of the main recipient, there are two areas between the bolt and the container bore in which air is enclosed.
  • the air enclosed in the vicinity of the die can escape through said air-permeable seal during further upsetting, while the air on the die side can escape through a gap between the pressure disk diameter and the inside diameter of the sensor (column 5, lines 31-56).
  • the inventor has set itself the goal of designing a device and a method of the type mentioned at the outset in such a way that the receiver bore of the block receiver is vented during the insertion of a subsequent block, the free end of which rests against the forehead of an existing pressing residue to enable a smooth transition between the two blocks mentioned.
  • the pre-recipient is intended to be movable in relation to both the block receiver and the die, preferably to be connected axially and to be pulled out radially.
  • centering members are provided on the pre-recipient that interact with counter-organs in the block receiver or the die or the die holder.
  • Axially projecting centering ribs or centering pins are to serve as centering members which engage in a centering groove of the machine part to be connected in each case.
  • the diameter of the pre-recipient will normally correspond to that of the sensor bore according to the invention.
  • the depth of the chamber is adapted to the previously usual residual thickness of about 40 to 50 mm.
  • the pre-recipient connects to the rear of the block transducer, which makes it possible to vent the transducer bore when loading the next ingot - if necessary, a venting stroke can take place within the scope of the invention.
  • the press ram is equipped with a press disk known per se, which preferably has a concave surface which is non-adherent to the press material; this shape, which is reflected in the remaining part of the remaining press material, makes it easier for the air to escape when the new bolt is pressed on or when it emerges.
  • the surface of the press disk must be treated, which is preferably done by means of nitriding, cooling, microsealing or by a ceramic coating.
  • waste is saved by avoiding a pressing residue in the strand pressing and also a reduction in the cycle time during extrusion by the so-called shear time.
  • a block sensor 3 with a bushing 4 axially penetrating sensor bore 5 for a block or bolt 6 made of aluminum can be seen, which is provided by a - provided with a front pressure plate 7 - Press ram 8 of the plunger 2 can be pressed in the pressing direction x through the sensor chamber 5.
  • peeling segments 11 are arranged which can be moved radially to the press axis A and which can be closed to form a peeling ring around the bolt 6, the cutting edge 12 of which peels off the contaminated block skin to form a chip ring 13.
  • the back 15 of the sleeve 4 is followed by a pre-recipient 20 - in the selected exemplary embodiment - made of recipient ring 21 and pre-sleeve 22 with this integrally formed centering rib 23, which upon axial displacement (arrow y) of the pre-recipient 20 into a ring-shaped centering groove 16 of the block receiver 3 or sleeve 4 is inserted or temporarily removed from it.
  • a chamber 24 In the center of the pre-recipient 20, a chamber 24 can be seen, the width i of which is slightly larger than the diameter d of the pick-up bore 5, specifically in adaptation to the width of a pressing residue that otherwise arises during extrusion - the same applies to the length e of the so-called compensation chamber 24 .
  • the pre-recipient 20 is followed in the pressing direction x by a partially ring-shaped tool carrier 30, in which - held by a stop rib 31 and support members 32 - a die 33 with a pressure plate 34 is supported.
  • the shaping cross section of the die 33 is designated 35.
  • the press rest front 40 shows the contour of the slightly concave press disk end 9.
  • a profile 41 produced from the bolt 6 a protrudes in the pressing direction x from the shaping cross section 35 of the die 33, through the central bores 36, 37 of the pressure plate 34 and the support member 32 beyond the head of the press.
  • the bolt 6 is compressed by the press disk 7, air still present in the pick-up bore 5 escaping through an axial vent bore 19 of the press ram 8 (FIG. 4).
  • the pick-up bore 5 is traversed by the press ram 8 until the press disk face 9 protrudes a little into the compensation chamber 24 of the pre-recipient 20.
  • air channels 44 run from the edge of a convex press disk face 9 k to the axial vent hole 19.
  • These air channels 44 which are inclined to the press axis A, can be replaced by the use of a floating press disk insert, which - after being relieved - lifts off slightly from the press disk base and then between them and the pressure plate holder allows the air to the vent hole 19 (see at 50 in Fig.4).
  • Both the concave press disk end 9 and the convex version 9 k are prepared by a nitriding process, by microsealing or the like, in such a way that the light metal to be pressed does not adhere to the press disk 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Forging (AREA)

Claims (8)

1. Dispositif pour le filage à la presse de profils ou analogues à partir d'un lingot ou d'une éprouvette (6), en particulier à partir d'une éprouvette en métal léger, placé dans un alésage de réception (5) d'un récepteur de lingot (3), au moyen d'un poinçon de filage mobile (8), à travers la section de formage (35) d'une matrice (33) montée, en aval du récepteur de lingot, sur un porte-matrice, étant précisé qu'entre récepteur de lingot (3) et matrice (33) est disposé un prérécipient (20) à chambre de compensation (24) coaxiale avec l'alésage récepteur (5) du récepteur de lingot et caractérisé en ce que la face frontale (9) du poinçon de filage enfilé dans le récepteur de lingot (3) est disposée, à la fin d'un processus de filage, dans la chambre de compensation (24), étant précisé qu'au moins un alésage de mise en communication avec l'extérieur (19), qui traverse le poinçon de filage (8), sort de la zone frontale (9) du poinçon de filage.
2. Dispositif selon la revendication 1, caractérisé en ce que la face frontale (9, 9J du poinçon de filage présente soit au moins une rainure de bordure (43) courant en direction d'un creux central, soit des alésages (44) reliés à l'alésage (19) de mise en communication avec l'extérieur et sortant de la bordure frontale, étant précisé qu'éventuellement, lorsque c'est un plateau de filage (7) qui comporte la face frontale du poinçon de filage, l'alésage de mise en communication avec l'extérieur (19) débouche dans ce pla- teau de filage (7) équipé des rainures de bordure (43) ou des alésages de bordure (44).
3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que la face frontale (9, 9k) du poinçon de filage est réalisée peu adhérente vis-à-vis du matériau à filer, étant précisé que la face frontale (9, 9k) du poinçon de filage est maintenue peu adhérente à l'égard du matériau à filer de préférence par nitruration/ou par réfrigération et/ou par une couche céramique et/ou par une couche obtenue par microsoudage.
4. Dispositif selon l'une des revendications 1 à 3 caractérisé en ce que le prérécipient (20) est prévu mobile aussi bien à l'égard du récepteur de lingot (3) qu'à l'égard de la matrice (33) et/ou axialement et radialement par rapport à l'axe de la presse (A).
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le prérécipient (20) présente au moins une nervure de centrage (23) qui court sans fin et qui peut s'introduire dans des rainures de centrage (16), de forme correspondante, du récepteur de lingot (3) ou du manchon (4) ou de la matrice (33) ou du porte-matrice (30).
6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le diamètre de passage (i) et/ou la profondeur (e) de la chambre de compensation (24) est/sont adaptés à la dimension correspondante d'un résidu de filage de l'éprouvette (6a après son filage.
7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le prérécipient (20) comporte un dispositif de mise en communication avec l'extérieur pour la chambre de compensation (24).
8. Procédé pour le filage à la presse de profils ou analogues à partir d'un lingot ou d'une éprouvette (6), en particulier à partir d'une éprouvette en métal léger, placé dans un alésage de réception (5) d'un récepteur de lingot (3), au moyen d'un poinçon de filage mobile (8), à travers la section de formage (35) d'une matrice (33) montrée, en aval du récepteur de lingot, en produisant un résidu de filage en amont de la section de formage, étant précisé que le résidu de filage est produit, dans une chambre de compensation (24) prévue en aval du récepteur de lingot, comme butée pour un lingot ou une éprouvette qui suit, étant précisé qu'avant un processus de filage, l'extrémité libre du lingot suivant s'appuie contre la face frontale (40) du résidu de filage, caractérisé en ce que pendant l'introduction du lingot suivant, on met en communication avec l'extérieur les alésages (5, 24) du récepteur de lingot (3) et de la partie du prérécipient (20) non remplie de métal, étant précisé que cette mise en communication avec l'extérieur se fait par l'intermédiaire d'un canal de mise en communication avec l'extérieur (19) qui traverse axialement le poinçon de filage et qui est relié avec des rainures (43) et/ou des canaux (44), courant à peu près radialement, de la tête du poinçon de filage.
EP83810226A 1982-06-14 1983-05-31 Dispositif et procédé pour le filage de profils ou analogue d'un bloc ou d'une billette Expired EP0097115B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83810226T ATE21054T1 (de) 1982-06-14 1983-05-31 Vorrichtung und verfahren zum strangpressen von profilen od. dgl. aus einem block oder bolzen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3222357 1982-06-14
DE19823222357 DE3222357A1 (de) 1982-06-14 1982-06-14 Vorrichtung und verfahren zum strangpressen von profilen od. dgl. aus einem block oder bolzen

Publications (2)

Publication Number Publication Date
EP0097115A1 EP0097115A1 (fr) 1983-12-28
EP0097115B1 true EP0097115B1 (fr) 1986-07-30

Family

ID=6166048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810226A Expired EP0097115B1 (fr) 1982-06-14 1983-05-31 Dispositif et procédé pour le filage de profils ou analogue d'un bloc ou d'une billette

Country Status (4)

Country Link
EP (1) EP0097115B1 (fr)
JP (1) JPS594915A (fr)
AT (1) ATE21054T1 (fr)
DE (2) DE3222357A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4093560A4 (fr) * 2018-11-15 2023-05-10 The Regents Of The University Of Michigan Extrusion de matériau métallique à l'aide d'un bloc factice ayant une surface incurvée

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221421A (ja) * 1985-07-18 1987-01-29 Showa Alum Corp 押出加工装置
DE4132810C2 (de) * 1991-10-02 1994-02-17 Erbsloeh Julius & August Preßscheibe mit Entlüftungseinrichtung
US7591163B2 (en) 2006-03-30 2009-09-22 Ube Machinery Corporation, Ltd. Extrusion molding method and apparatus of extrusion press
CN111687230A (zh) * 2020-07-01 2020-09-22 荆门荆华铝业有限公司 一种用于门窗加工铝合金型材挤压成型装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH234399A (de) * 1942-07-13 1944-09-30 Duerener Metallwerke Aktienges Strangpressmatrize.
GB871175A (en) * 1957-12-03 1961-06-21 Cefilac Improvements in the extrusion of metals
US3164253A (en) * 1961-08-05 1965-01-05 Hydraulik Gmbh Extrusion devices
GB954126A (en) * 1962-03-13 1964-04-02 Aluminium Lab Ltd Improvements in or relating to extrusion presses
US3369384A (en) * 1965-07-07 1968-02-20 Reynolds Metals Co Metal extrusion
DE1919263A1 (de) * 1968-04-19 1969-11-06 Loewy Robertson Eng Co Ltd Blockbehaelter fuer Metall-Strangpressen
DE2319139A1 (de) * 1973-04-16 1974-10-24 Schloemann Siemag Ag Presscheibe fuer den presstempel von strangpressen, insbesondere von aluminiumstrangpressen
DE2556394A1 (de) * 1975-12-15 1977-06-16 Sumitomo Light Metal Ind Verfahren und vorrichtung zum extrudieren von metall
DE2651564C2 (de) * 1976-11-11 1982-12-16 Aluminium-Walzwerke Singen Gmbh, 7700 Singen Vorrichtung an einer Strangpresse zum Schälen der Metallblöcke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4093560A4 (fr) * 2018-11-15 2023-05-10 The Regents Of The University Of Michigan Extrusion de matériau métallique à l'aide d'un bloc factice ayant une surface incurvée

Also Published As

Publication number Publication date
EP0097115A1 (fr) 1983-12-28
DE3364930D1 (en) 1986-09-04
JPS594915A (ja) 1984-01-11
DE3222357A1 (de) 1983-12-15
ATE21054T1 (de) 1986-08-15

Similar Documents

Publication Publication Date Title
DE3518635C2 (de) Druckgußvorrichtung
DE2953399C2 (de) Druckgießmaschine zur Durchführung eines Druckgießverfahrens mit Nachverdichtung
DE69005895T2 (de) Verfahren und Vorrichtung zum Strangpressen.
DE2237276A1 (de) Druckstueck zur verwendung in einer strangpresse zum indirekten strangpressen
EP0097115B1 (fr) Dispositif et procédé pour le filage de profils ou analogue d'un bloc ou d'une billette
DE2008348C3 (de) Verfahren und Vorrichtung zur Herstellung eines napfförmlgen Werkstücks
DE2509490C3 (de) Verschlußstück an einer Indirekt-Metallstrangpresse für Leicht- und Schwermetall
DE1452213A1 (de) Strangpresse und Strangpressverfahren
EP0114571A2 (fr) Dispositif de boudinage avec remontée de matière d'un profil creux
DE3108337A1 (de) Strangpressmaschine und verfahren zum betrieb einer strangpressmaschine
DE2602102C2 (de) Strangpresse
EP0480430B1 (fr) Procédé et dispositif pour la fabrication d'objets creux en céramique avec appendice latéral, en particulier de tasses avec anse
DE2123528A1 (de) Vorrichtung zur Führung des Domes an Metallstrangpressen beim Verpressen von Hohlprofilen
DE3129086A1 (de) Verfahren und vorrichtung zum ausstossen von eingeklemmten platinen aus einer metall-strangpresse
DE102005027032B4 (de) Vorrichtung zum Herstellen eines Formteils
DE615564C (de) Pressgussmaschine mit in der Form ausgespartem Presszylinder
DE3012757A1 (de) Strangpresse sowie verfahren zum herstellen von profilen aus metallbolzen
DE2708586A1 (de) Verfahren zum indirekten strangpressen und vorrichtung zur durchfuehrung des verfahrens
EP0216978A1 (fr) Procédé et dispositif pour extruder des masses de carbone, en particulier des électrodes de carbone
DE1957995C3 (de) Drehtischtablettenpresse
DE4234914B4 (de) Verfahren und Vorrichtung zum Herstellen eines Kunststoff-Spritzgußteils
DE693301C (de) Verfahren und Vorrichtung zum Herstellen von Schneidwerkzeugen
DE2556394A1 (de) Verfahren und vorrichtung zum extrudieren von metall
DE2747169C2 (de) Verfahren und Vorrichtung zum Herstellen von Hohlkörpern durch Fließpressen von Massivkörpern
CH719776A1 (de) Verfahren zur Herstellung von ringförmigen Formteilen.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19840528

ITF It: translation for a ep patent filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 21054

Country of ref document: AT

Date of ref document: 19860815

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3364930

Country of ref document: DE

Date of ref document: 19860904

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19870531

Ref country code: AT

Effective date: 19870531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19870601

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19920410

Year of fee payment: 10

Ref country code: CH

Payment date: 19920410

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19920416

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19920513

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19920531

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19920610

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19930531

Ref country code: GB

Effective date: 19930531

Ref country code: CH

Effective date: 19930531

Ref country code: BE

Effective date: 19930531

BERE Be: lapsed

Owner name: SCHWEIZERISCHE ALUMINIUM A.G.

Effective date: 19930531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19931201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19930531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19940131

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19940201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

EUG Se: european patent has lapsed

Ref document number: 83810226.7

Effective date: 19880713