EP2839893A1 - Procédé de fonctionnement d'un dispositif d'extrusion indirect et dispositif d'extrusion indirect - Google Patents

Procédé de fonctionnement d'un dispositif d'extrusion indirect et dispositif d'extrusion indirect Download PDF

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Publication number
EP2839893A1
EP2839893A1 EP14001406.9A EP14001406A EP2839893A1 EP 2839893 A1 EP2839893 A1 EP 2839893A1 EP 14001406 A EP14001406 A EP 14001406A EP 2839893 A1 EP2839893 A1 EP 2839893A1
Authority
EP
European Patent Office
Prior art keywords
tool head
indirect
block
material block
receptacle
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
Application number
EP14001406.9A
Other languages
German (de)
English (en)
Other versions
EP2839893B1 (fr
Inventor
Uwe Muschalik
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 Meer 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 Meer GmbH filed Critical SMS Meer GmbH
Publication of EP2839893A1 publication Critical patent/EP2839893A1/fr
Application granted granted Critical
Publication of EP2839893B1 publication Critical patent/EP2839893B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02—Removing or drawing-off work
    • 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
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • B21C23/205—Making products of generally elongated shape
    • 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
    • B21C23/212—Details
    • B21C23/214—Devices for changing die or container
    • 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
    • B21C23/218—Indirect 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
    • B21C26/00—Rams or plungers; Discs therefor
    • 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
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • 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 OR PROFILES, 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
    • B21C35/06—Cleaning dies, ducts, containers or mandrels

Definitions

  • the invention relates to a method for operating an indirect extruder and an indirect extruder.
  • a tool head comprising a die is kept smaller in diameter than the inner diameter of a block to the extent that a shell of about 0.2 mm to 2.0 mm wall thickness remains on the inner wall of the respective block receiver, as this example in the EP 0 224 115 B1 is-disclosed. Even with other materials, such as aluminum, the formation of a shell may be advantageous.
  • Indirektstempel proposes the DE 101 31 901 A1 to unscrew a clearing ring on the Indirect stamp and relieve with a lock nut or a wear plate and / or a die over Locking pin, which are shrunk into corresponding holes in the Indirektstkovs to secure.
  • the shell formed by the pressing of the block material is generally to be removed in order to be able to realize a reliable pressing for subsequent pressing operations.
  • this is pulled out together with the tool head from the Blockaufêt, along with a high disassembly effort and assembly costs.
  • a virtually residue-free removal of the shell from the billet is not possible thereby.
  • a remaining remainder of the shell has an adverse effect on subsequent pressing operations or the reliability of subsequent pressing operations, since the remaining remainder during pressing can in particular lead to undesirable block compression of the metal block or material block during the charging process, which is provided for the subsequent pressing or pressing is.
  • the remainder of the shell can hinder the safe introduction of a new tool head or a cleaned or repaired tool head into the billet receiver. In particular, tool head may jam on the remainder.
  • step D a much more reliable removal of the shell can be realized in particular in that, according to step D, the shell or the shell formed can be pressed out of the material block receptacle by the additional tool head partly or wholly by the intended pushing out of the other tool head from the material block receptacle.
  • step D the shell or the shell formed can be pressed out of the material block receptacle by the additional tool head partly or wholly by the intended pushing out of the other tool head from the material block receptacle.
  • the pushing out of the shell from the material block receptacle by the further tool head can be carried out in a guided manner in the material block receptacle.
  • One in known methods provided consuming removal by pulling or partial withdrawal of the shell from the billet together with the tool head - which is possible only at the cost of a certain unavoidable operating uncertainty, such as the dropping or tilting of the tool head - can be advantageously eliminated.
  • the shell can also advantageously be removed without residue or virtually free of residue from the billet receiver or the material block receptacle.
  • step D after the partial ejection of the shell from the material block receptacle, a supernatant formed by the partial pushing out of the shell can be separated from a remainder of the material to be separated.
  • the supernatant can be sheared off for severing by means of a shearing knife.
  • step B of the method the further tool head can be arranged by a manipulator of an industrial robot between Indirektstempel and material block receiving block pickup and added to the other tool head.
  • step B can be carried out with very high process reliability.
  • step D the other tool head can be slid when pushed out into a predetermined position on a manipulator or in the vicinity of a manipulator of an industrial robot and then grabbed by the manipulator and moved away from the billet receiver.
  • step D can also be carried out with very high process reliability
  • an indirect extruder comprising an indirect punch with a recordable on the Indirektstempel tool head, a closure piece and a longitudinally movable Blocketz scenery with a material block receptacle for receiving a block of material wherein the Blockaufillon of the closure piece on the Indirectstempel in a direction of movement is linearly movable, wherein the Indirektstempel is brought out by moving the block receiver in the direction of closure piece from the material block receptacle and can be introduced by moving in the opposite direction in this, the closure piece of a Maximal position with maximum distance to the Indirektstempel to the Indirektstkov out is linearly movable and wherein the indirect extruder is characterized in that in the maximum position of the maxi Male distance between the Closure piece and the Indirektstkov corresponds to at least the sum of the extensions of the tool head and the block receiver in the direction of
  • step B of the above method can be performed in a simple manner reliable and thus also a more reliable removal of a trained shell are made possible.
  • the reliable implementation of step B is made possible by the fact that the undisturbed arranging the further tool head between Indirektstempel and material block recording can be ensured by the provided maximum distance when the closure piece is in the maximum position or was previously moved into this maximum position. But other possibly not so reliable operation procedures in which, for example, a tool head initially ejected completely and then a new tool head after the billet has been moved as far as possible in the direction of the closure piece, is then possible.
  • the maximum distance is formed larger than the sum by more than 2 mm in order to be able to arrange the further tool head between indirect punches and material block pick-up in step B of the method very reliably and in particular with sufficient play.
  • a distance of a total of 4 mm is advantageous for a reliable operation, so that in each case 2 mm distance are available for the normal tool head change on both sides of the tool head.
  • the tool head may have a tapered in the pressing direction of the indirect extruder or in the opposite direction conical section, which is provided for forming a shell chamber of the indirect extruder, which is bounded by the tapered portion and the inner wall of the material block receptacle, which limited the material block recording.
  • the tool head can advantageously be released from the clasp of the shell, in particular by pushing out the tool head against the pressing direction from the material block receptacle, as provided in particular for the other tool head in step D of the method.
  • the indirect punch comprises a peeling ring, which limits the shell chamber in the pressing direction and is detachable from the tool head.
  • a separation of the tool head of the peeling ring or of the Indirektstempel can be made very easily.
  • an indirect extrusion press 10 comprises an Indirektstempel 12 with a recordable on the Indirektstempel 12 tool head 14, a ram 13 with a closure piece 16 and a longitudinally movable Blocketzillon 18 with a material block receptacle 20 for receiving a block of material 22.
  • the Indirektstempel 12 further comprises a Peeling ring 42.
  • the material block 22, which is compressible into a press product by means of the indirect extruder 10, is a block of material 22 which is at least partially or wholly made of a metallic material, such as e.g. Aluminum, copper, brass or equivalent alloys may exist.
  • the billet receiver 18 is movable in a straight line from the closure piece 16 via the indirect punch 12.
  • the indirect stamp 12 can be brought out of the material block receptacle 20 by moving the block receiver 18 in the direction of the closure piece 16. Consequently, the indirect punch 12 can be introduced by moving the block receiver 18 in the opposite direction into the material block receptacle 20 (cf. Fig. 4 ). Since it essentially depends on relative movements, it goes without saying that in different embodiments, the indirect punch can also be movable, while other assemblies are merely stationary.
  • a section of the material block 22 introduced into the material block receptacle 20 has already been moved by displacing the block receiver 18 and the material block 22 by means of the closure piece 16 or by means of the press ram 13 into a press product 17 in the form of a tube by being pressed through a die 19 of FIG Tool head 14 pressed, which was removed via a provided in the Indirektstempel 12 cavity 15.
  • FIG. 3 illustrates the operating state of the indirect extruder 10, in which the material block 22 has been completely compressed to produce a Presser Wegnisses 17.
  • the intended shearing blade 34 serves to shear off a press residue 35 formed during the pressing process after being extracted from the material block receptacle 20 by the tool head 14 or the block receptacle 18 and thereby by a shell 24 also formed during the pressing process which is located in a shell chamber 26 of the indirect extruder 10, wherein the shell chamber 26 is arranged radially around the tool head 14.
  • the tool head 14 has a conical section 38 tapering in the pressing direction of the indirect extruder 10 or a tapering in the opposite direction, the shell chamber 26 being formed by the tapering section 38 and the inner wall 40 of the material block receptacle 20 is limited, so the inner wall 40, which limits the material block receptacle 20.
  • FIGS. 4 to 8 serve to illustrate an embodiment of the method for operating the indirect extruder 10. After the compression of the material block 22 and the formation of the shell 24 in the shell chamber 26 are provided in the exemplary embodiment of the method to be explained further below steps A to D.
  • FIG. 4 the situation after the execution of the step A and during the execution of the step B of the method. Illustrated in the FIG. 4
  • the closure piece 16 is in a maximum position with a maximum distance between the closure piece 16 and the Indirektstempel 12, wherein the closure piece 16 and the plunger 13 is from the maximum position to the Indirektstempel 12 out linearly movable.
  • a material block 22 can be introduced into the material block receptacle 20, this functionality of the closure piece 16 or of the ram 13 being required for pressing the respective material block 22 (cf. FIG. 2 ).
  • the maximum distance is preferably formed by 7% greater than the sum the extensions of the tool head 14 and the block receiver 18 in the direction of movement, ie in the direction in which the block receiver 18 is rectilinearly movable by the closure piece 16 via the indirect punch 12.
  • FIG. 4 also illustrates, albeit schematically, that in step B the further tool head 28 is arranged by a manipulator 36 of an industrial robot shown very schematically between the indirect punch 12 and the material block receptacle 20 and received on the further tool head 28.
  • FIG. 5 illustrates the situation or operating state after performing step C of the method, wherein the step C, the introduction of the Indirektstkovs 12 together with the recorded additional tool head 28 in the material block receptacle 20 and the contacting of the other tool head 28 with the other tool head 14 by moving the block receiver 18 in the opposite direction - here by moving away from the closure piece 16 - includes.
  • the FIG. 6 illustrates the situation or operating state of the indirect extruder during the performance of step D of the method.
  • the step D comprises pushing out the other tool head 14 from the material block receptacle 20 by further moving the block receiver 18 in the opposite direction, during which further movement the shell 24 is partially pushed out of the material block receptacle 20 by the further tool head 28.
  • the FIG. 6 This illustrates the situation in which step D is not yet completely completed, in particular the situation in which the shell 24 is still arranged entirely in the material block receptacle 20.
  • FIG. 7 also illustrates an operating state or situation in which the step D is not yet completely completed, but shows a relation to the in FIG. 6 situation shown later in the situation.
  • FIG. 7 It can be seen that already a substantial portion of the other tool head 14 has been pushed out of the material block receptacle 20. This other tool head 14 is pushed when pushed out into a predetermined position on a manipulator 36 of an industrial robot, wherein the manipulator 36 in the FIG. 7 is shown only very schematically.
  • FIG. 8 illustrates the situation after pushing out the other tool head 14 from the material block receptacle 20 according to step D of the method. Illustrated here is the situation that the other tool head 14 is taken after being pushed out of the manipulator 36 and moved away from the block receiver 18 by means of the manipulator 36.
  • the shell 24 by the other tool-head 28 present partially pushed out of the material block receptacle 20. Illustrated is in FIG. 8 also the situation that the supernatant 30 formed by the partial pushing out of the shell 24 is separated from a very small remainder (not illustrated here in detail) of the material, namely by shearing off or separating the supernatant 30 by means of the shearing blade 34 becomes. Such a small remainder is in itself negligible and fills the space formed by the next tool head 28 only insignificantly, so that the subsequent process sequence is not impaired thereby.
  • FIG. 9 illustrates the situation, for example, after the replacement of the tool head 28 or in between, when a block of material 22 was completely pressed, is performed, wherein after the introduction of the other tool head 28 and the new tool head 28 in the material block receptacle 20th a further or new material block 22 is arranged in front of the other tool head 28 by means of a block loader 44, which pivots for this purpose in a predetermined position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
EP14001406.9A 2013-05-16 2014-04-17 Procédé de fonctionnement d'un dispositif d'extrusion indirect et dispositif d'extrusion indirect Active EP2839893B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013008345.1A DE102013008345A1 (de) 2013-05-16 2013-05-16 Verfahren zum Betreiben einer indirekten Strangpresse und indirekte Strangpresse

Publications (2)

Publication Number Publication Date
EP2839893A1 true EP2839893A1 (fr) 2015-02-25
EP2839893B1 EP2839893B1 (fr) 2018-08-08

Family

ID=50542767

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EP14001406.9A Active EP2839893B1 (fr) 2013-05-16 2014-04-17 Procédé de fonctionnement d'un dispositif d'extrusion indirect et dispositif d'extrusion indirect

Country Status (7)

Country Link
US (1) US9272317B2 (fr)
EP (1) EP2839893B1 (fr)
JP (1) JP5892194B2 (fr)
KR (1) KR101542009B1 (fr)
CN (1) CN104162556B (fr)
DE (1) DE102013008345A1 (fr)
ES (1) ES2689087T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110961479B (zh) * 2019-11-18 2021-07-16 太重（天津）滨海重型机械有限公司 用于反向挤压机的自胀型模具及其装配方法
CN113878085B (zh) * 2021-10-08 2024-04-26 江苏龙城精锻集团有限公司 一种高压柱塞泵中空柱塞锻件及其一步成形工艺和模具

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2148704A5 (en) * 1971-07-30 1973-03-23 Trefimetaux Press piece - for indirect extrusion press
JPS5028467A (fr) * 1973-07-18 1975-03-24
EP0037485A1 (fr) * 1980-03-22 1981-10-14 Sms Schloemann-Siemag Aktiengesellschaft Presse à filer les métaux avec un dispositif monté sur le conteneur pour séparer le culot et pour échanger les matrices
JPS5973012U (ja) * 1982-11-09 1984-05-17 株式会社神戸製鋼所 間接押出しプレス
EP0329567A1 (fr) * 1988-02-19 1989-08-23 Clecim Procédé de filage de métal, spécialement d'aluminium, et presse de filage pour la mise en oeuvre du procédé
EP0224115B1 (fr) 1985-11-29 1991-04-03 SMS Hasenclever GmbH Appareil pour la séparation d'un disque de poussée du déchet dans l'extrusion de métaux à chemise
WO2001068283A1 (fr) * 2000-03-16 2001-09-20 Alex-Tech Aps Appareil et procede destines a extruder un materiau
DE10131901A1 (de) 2001-07-04 2003-01-23 Sms Eumuco Gmbh Preßstempel einer Rohr- und Strangpresse
WO2012092923A2 (fr) * 2011-01-07 2012-07-12 Sms Meer Gmbh Extrudeuse indirecte et procédé d'extrusion indirecte

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522721A (en) * 1968-03-01 1970-08-04 Reynolds Metals Co Apparatus for and method of making indirect extrusions
DE3011134A1 (de) * 1980-03-22 1981-10-01 Schloemann-Siemag AG, 4000 Düsseldorf Indirekt-metallstrangpresse mit einer mit dem aufnehmerhalter verbundenen vorrichtung zum abtrennen des pressrestes und zum auswechseln von matrizen
JPS56165516A (en) 1980-05-26 1981-12-19 Sumitomo Light Metal Ind Ltd Method of indirect extrusion for metal
JPS57109520A (en) * 1980-12-27 1982-07-08 Kobe Steel Ltd Container cleaning method for indirect extrusion press
JPS6020043B2 (ja) 1982-10-18 1985-05-20 株式会社栗田機械製作所 フィルタプレスの濾板の濾過面間の間隙保持装置
JPS614813U (ja) * 1984-06-12 1986-01-13 株式会社神戸製鋼所 間接押出プレス
JPS614813A (ja) 1984-06-20 1986-01-10 Matsushita Electric Ind Co Ltd 燃焼排気ガス用微粒子トラツプ
JP2004034064A (ja) 2002-07-02 2004-02-05 Nippon Steel Corp 押出用ダイス及び押出方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2148704A5 (en) * 1971-07-30 1973-03-23 Trefimetaux Press piece - for indirect extrusion press
JPS5028467A (fr) * 1973-07-18 1975-03-24
EP0037485A1 (fr) * 1980-03-22 1981-10-14 Sms Schloemann-Siemag Aktiengesellschaft Presse à filer les métaux avec un dispositif monté sur le conteneur pour séparer le culot et pour échanger les matrices
JPS5973012U (ja) * 1982-11-09 1984-05-17 株式会社神戸製鋼所 間接押出しプレス
EP0224115B1 (fr) 1985-11-29 1991-04-03 SMS Hasenclever GmbH Appareil pour la séparation d'un disque de poussée du déchet dans l'extrusion de métaux à chemise
EP0329567A1 (fr) * 1988-02-19 1989-08-23 Clecim Procédé de filage de métal, spécialement d'aluminium, et presse de filage pour la mise en oeuvre du procédé
WO2001068283A1 (fr) * 2000-03-16 2001-09-20 Alex-Tech Aps Appareil et procede destines a extruder un materiau
DE10131901A1 (de) 2001-07-04 2003-01-23 Sms Eumuco Gmbh Preßstempel einer Rohr- und Strangpresse
WO2012092923A2 (fr) * 2011-01-07 2012-07-12 Sms Meer Gmbh Extrudeuse indirecte et procédé d'extrusion indirecte

Also Published As

Publication number Publication date
JP2014223675A (ja) 2014-12-04
EP2839893B1 (fr) 2018-08-08
US9272317B2 (en) 2016-03-01
DE102013008345A1 (de) 2014-11-20
CN104162556A (zh) 2014-11-26
KR101542009B1 (ko) 2015-08-04
CN104162556B (zh) 2016-05-25
KR20140135619A (ko) 2014-11-26
JP5892194B2 (ja) 2016-03-23
ES2689087T3 (es) 2018-11-08
US20140338415A1 (en) 2014-11-20

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