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EP1378303B1 - Dispositif de thermoformage - Google Patents

Dispositif de thermoformage Download PDF

Info

Publication number
EP1378303B1
EP1378303B1 EP03014789A EP03014789A EP1378303B1 EP 1378303 B1 EP1378303 B1 EP 1378303B1 EP 03014789 A EP03014789 A EP 03014789A EP 03014789 A EP03014789 A EP 03014789A EP 1378303 B1 EP1378303 B1 EP 1378303B1
Authority
EP
European Patent Office
Prior art keywords
ejector
coolant
spraying
agent
openings
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
Application number
EP03014789A
Other languages
German (de)
English (en)
Other versions
EP1378303A3 (fr
EP1378303A2 (fr
Inventor
Dietrich Boehme
Gerhard Weber
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.)
Eifelwerk Heinrich Stein & cokg GmbH
Original Assignee
Eifelwerk Heinrich Stein & cokg 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 Eifelwerk Heinrich Stein & cokg GmbH filed Critical Eifelwerk Heinrich Stein & cokg GmbH
Publication of EP1378303A2 publication Critical patent/EP1378303A2/fr
Publication of EP1378303A3 publication Critical patent/EP1378303A3/fr
Application granted granted Critical
Publication of EP1378303B1 publication Critical patent/EP1378303B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/14—Ejecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J3/00—Lubricating during forging or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F2003/026—Mold wall lubrication or article surface lubrication

Definitions

  • the invention relates to a device for hot forming metallic Blanks consisting of a crank press with Toggle mechanism for producing flat, annular Workpieces with predetermined dimensions.
  • From DE 196 48 708 A1 is a controlled cooling of a Hot forming tool known.
  • This device is very consuming and includes many measuring points, a thermal imaging camera and a computer.
  • the computer controls under utilization the thermal images the lubricant supply by means of several Spray nozzles.
  • an apparatus for hot working metallic blanks consisting of a crank with Toggle mechanism for producing flat, annular workpieces with predetermined Dimensions.
  • this device is in the upper tool holder, connected to the upper base die, a transfer chamber for a coolant included, which is arranged annularly around the upper Auswerschaftschaft and a Has supply for a coolant, and has the upper ejector, centric in arranged above the upper die, bores for the coolant outlet on.
  • the invention was therefore based on the problem of a device for the hot forming of metallic blanks for the production flat, annular workpieces with stroke rates over 30 hub / minute to develop.
  • the erfindunstrae device made possible by changes in the die area or in the area of the intermediate tool holder in connection with the coolant supply and suitable Lubricant circuits increase the number of strokes to 40 Stroke / minute and thus a reduction in production times thermally stable hot forming processes.
  • Another advantage The invention is that, contrary to conventional cooling and lubrication in addition to the cooling or lubrication of Ejector and AuswerferMfte also the entire tool can be thermally stable.
  • the device or press according to the invention becomes production flat, annular workpieces - preferably synchronizer rings for manual transmissions - used.
  • These synchronizer rings consist of commercially available brass conductive alloys. Such presses operate at 40 strokes / minute. First the overflow chamber 3 via the supply 5 with liquid Nitrogen filled.
  • the process of constant cooling and lubrication is supported of the tool system by a control system for tool temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Heat Treatment Of Articles (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Tunnel Furnaces (AREA)

Claims (1)

  1. Dispositif de formage à chaud d'ébauches métalliques, constitué d'une presse à manivelle à mécanisme à levier coudé, pour la fabrication de pièces plates annulaires de dimensions déterminées à l'avance ayant les caractéristiques suivantes
    1. dans le porte-outil intermédiaire (1) supérieur relié à la matrice (2) de base supérieure est ménagée une chambre (3) de trop plein pour un fluide de refroidissement, qui
    1.1 est disposée annulairement autour de l'arbre (4) de l'éjecteur et
    1.2 a une entrée (5) pour un fluide de refroidissement, dans lequel
    1.3 en utilisation, on utilise, comme fluide de refroidissement, de préférence de l'azote liquide ;
    2. l'éjecteur (6) supérieur est disposé au centre de la matrice(2) de base supérieure et, en communiquant par l'arbre (4) supérieur de l'éjecteur avec la chambre de trop plein, a des trous (7) pour la sortie du fluide de refroidissement, dans lequel l'éjecteur (6)
    2.1 a, respectivement, six trous (7) disposés en forme de cercle
    3. le porte-outil intermédiaire (8) inférieur relié à la matrice (9) de base inférieure a deux circuits (10 et 11) de fluide de projection, étanches mutuellement, dans lequel
    3.1 le circuit (10) inférieur de fluide de projection peut être alimenté en un fluide lubrifiant très visqueux et
    3.2 le circuit (11) supérieur de fluide de projection peut être alimenté en un fluide lubrifiant peu visqueux ;
    4. l'éjecteur (12) inférieur communique par l'arbre (3) inférieur de l'éjecteur avec les circuits (10 et 11) de fluide de projection et a des ouvertures (14 et 15) de projection, dans lequel
    4.1 les ouvertures (14) pour le circuit (10) inférieur de fluide de projection sont disposées de manière centrale et
    4.2 les ouvertures (15) pour le circuit (11) supérieur du fluide de projection sont disposées en forme de cercle.
EP03014789A 2002-07-05 2003-06-28 Dispositif de thermoformage Expired - Lifetime EP1378303B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10230837 2002-07-05
DE10230837A DE10230837B4 (de) 2002-07-05 2002-07-05 Vorrichtung zum Warmumformen

Publications (3)

Publication Number Publication Date
EP1378303A2 EP1378303A2 (fr) 2004-01-07
EP1378303A3 EP1378303A3 (fr) 2004-05-06
EP1378303B1 true EP1378303B1 (fr) 2005-05-18

Family

ID=29719508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03014789A Expired - Lifetime EP1378303B1 (fr) 2002-07-05 2003-06-28 Dispositif de thermoformage

Country Status (4)

Country Link
EP (1) EP1378303B1 (fr)
AT (1) ATE295763T1 (fr)
DE (2) DE10230837B4 (fr)
ES (1) ES2242918T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006020861B4 (de) * 2006-05-04 2010-08-26 Gesenkschmiede Schneider Gmbh Einstufiges Schmiedeverfahren und Vorrichtung zur Herstellung von buchsenartigen Schmiedeteilen
DE102007005257B4 (de) 2007-02-02 2022-01-27 Volkswagen Ag Formmatrize oder Formpatrize zum Formhärten und Verfahren zum Warmumformen oder Formhärten eines Bauteils
CN104226809B (zh) * 2014-08-29 2016-06-08 如皋市大生线路器材有限公司 一种铁路高压线路用支撑单耳模具
CN104841822B (zh) * 2015-06-04 2016-08-24 浙江中集铸锻有限公司 一种热锻冷却系统
CN109014000A (zh) * 2018-09-07 2018-12-18 佛山朝鸿新材料科技有限公司 一种设有降温装置的汽车半轴锻压模具及其锻压工艺
CN111036821A (zh) * 2019-12-17 2020-04-21 江苏理研科技股份有限公司 一种可内部冷却润滑的模具及其冷却润滑方法
CN118832112B (zh) * 2024-07-24 2025-02-11 中南大学 一种超细晶铝合金深冷锻造制备装置及使用方法
CN118832678A (zh) * 2024-09-20 2024-10-25 南通英尔捷半导体科技有限公司 一种带有测距功能的冲切成型模具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027692B2 (de) * 1970-06-05 1974-01-03 F.B. Hatebur Ag, Basel (Schweiz) Quertransport-Warmgesenkschmiedepresse
US4666665A (en) * 1986-01-30 1987-05-19 Federal-Mogul Corporation Hot-forging small inner diameter powdered metal parts
FR2670411B1 (fr) * 1990-12-14 1993-04-09 Ascometal Sa Dispositif de forgeage a mi-chaud d'une piece metallique et procede d'utilisation d'un tel dispositif.
DE19648708C2 (de) * 1996-11-25 2003-01-09 Langenstein & Schemann Gmbh Gesteuerte Kühlung eines Warmumform-Werkzeugs
JP2001047174A (ja) * 1999-08-10 2001-02-20 Yasuharu Imahori 密閉型鍛造装置

Also Published As

Publication number Publication date
DE50300549D1 (de) 2005-06-23
DE10230837B4 (de) 2004-12-23
DE10230837A1 (de) 2004-02-12
ES2242918T3 (es) 2005-11-16
ATE295763T1 (de) 2005-06-15
EP1378303A3 (fr) 2004-05-06
EP1378303A2 (fr) 2004-01-07

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