EP1008403A2 - Machine à forger - Google Patents

Machine à forger Download PDF

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Publication number
EP1008403A2
EP1008403A2 EP99890379A EP99890379A EP1008403A2 EP 1008403 A2 EP1008403 A2 EP 1008403A2 EP 99890379 A EP99890379 A EP 99890379A EP 99890379 A EP99890379 A EP 99890379A EP 1008403 A2 EP1008403 A2 EP 1008403A2
Authority
EP
European Patent Office
Prior art keywords
forging
box
drive
swash
axis
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
EP99890379A
Other languages
German (de)
English (en)
Other versions
EP1008403A3 (fr
EP1008403B1 (fr
Inventor
Blaimschein Gottfried
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.)
GFM Beteiligungs und Management GmbH and Co KG
Original Assignee
GFM Beteiligungs und Management GmbH and Co KG
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 GFM Beteiligungs und Management GmbH and Co KG filed Critical GFM Beteiligungs und Management GmbH and Co KG
Publication of EP1008403A2 publication Critical patent/EP1008403A2/fr
Publication of EP1008403A3 publication Critical patent/EP1008403A3/fr
Application granted granted Critical
Publication of EP1008403B1 publication Critical patent/EP1008403B1/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
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • 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
    • B21J9/02—Special design or construction
    • B21J9/025—Special design or construction with rolling or wobbling dies

Definitions

  • the invention relates to a forging machine with at least two counter-acting forging dies, which run lengthways in a forging box, each with its own mechanical linear actuators and preferably Have stroke position adjustment devices.
  • Eccentric drives are used, in which the interaction of the Eccentrically rotatably mounted sliding blocks and the sliding block receiving Conrod heads of the forging stamps the rotary movement of the eccentric in stroke movements the forge stamp will be converted.
  • the one forging Forging forces that occur therefore strain the Eccentric shafts on bend, so that these eccentric shafts accordingly must be dimensioned and stored, which means increased construction costs brings itself.
  • the forging stamp is used to adjust the stroke position to provide special adjustment housing for the eccentric shaft bearing, whereby the rigidity of the machine frame because of the required bearing eyes is weakened and due to the displacement of the eccentric shaft center at Adjust a suitable eccentric shaft drive to compensate for this offset is required.
  • the invention is therefore based on the object of a forging machine to create the type described above, which is characterized by its new drive concept and the associated high rigidity and simplified design.
  • the invention solves this problem in that the lifting drives from a swash plate drive with one in the forging box around one to the respective forging punch axis wobble axis offset in parallel can be rotated and driven but is non-displaceable stored swash plate and one assigned to the swash plate, ball joint on the swashplate facing end of the associated forging die supported thrust washer, where preferably the forging stamp over compression springs in the sense of a non-positive Connection of swash plates and pressure plates can be pressurized are.
  • By rotating the eccentric to the forging punch axis Swashplate will depend on the forging die Swashplate bevel and the eccentricity a stroke with one of the Swashplate speed imposed on the corresponding frequency Lifting movement is used for workpiece forming.
  • the forging forces that occur are essentially directly from the forging stamp to the pressure plate transfer the swash plate, which leads to pure pressure loads and at simplified support conditions, increased machine rigidity brings. There is a non-positive between the swash plates and pressure plates Working together through suitable loads on the forging stamp is ensured.
  • Compression springs are expediently used for this purpose, for example hydraulic cylinders connected to a pressure accumulator, which hold the pressure disks and press the swash plates together and their mutual Prevent taking off.
  • the swash plate sits with a stub shaft rotatable, but axially immovable in an axially adjustable bearing sleeve supported in the machine box, so that through a longitudinal adjustment of the bearing sleeve independent of the actual one Stroke of the forging stamp a change in stroke position takes place because of the axial position change of the swash plates also the thrust washers and thus the Forge stamps can be adjusted in their axial position.
  • the bearing sleeve allows In addition, a stable drum disc bearing, with bending stresses here too are largely avoided.
  • the bearing sleeve could be axially adjustable in the machine box in any suitable way be used, but especially a screw drive Longitudinal adjustment is suitable, in which the bearing sleeve with the external thread in one Rotatable, but axially fixed in the forge-supported adjusting nut intervenes, which is assigned a rotary drive.
  • a screw drive Longitudinal adjustment is suitable, in which the bearing sleeve with the external thread in one Rotatable, but axially fixed in the forge-supported adjusting nut intervenes, which is assigned a rotary drive.
  • the rotary drives each include a drive gear, which drive gears with one on the forging box rotatably mounted around the pass axis Interacting with the central wheel is a common one without great difficulty Stroke position adjustment of all forging stamps.
  • the swash plate can be driven in a variety of ways, for example the swash plate can be driven via a toothed belt drive and forms with one Circumferential ring gear of a toothed belt pulley, which swash plate drive is space-saving in the forge box and the simple one Use of appropriate gear ratios to achieve the desired one Swashplate speed allowed.
  • the swash plate drive as a lifting drive is not only suitable for forging machines with a standing forging box, but also for forging machines, which are used as rotary kneaders, the then Forge box rotatable and drivable around the pass axis in a machine frame is stored.
  • the linear actuators and the stroke position adjustment devices are arranged or supported on the forging box changes to their mode of operation is nothing due to the rotating bearing of the forging box and also the common stroke position adjustment and / or the common one Swashplate drive are retained when the respective drive wheels parts of epicyclic gears.
  • a forging box 1 In a forging box 1 are in radial recesses 2 against each other acting forging punch 3 longitudinally guided at their radially inner ends Pick up forging tools 4.
  • swash plate drives 5 are provided, each of which in the forging box 3 offset by a parallel to the respective forging punch axis S.
  • Swash axis T rotatable and drivable swash plate 6 and one of the Swashplate 6 associated, via a spherical bearing body 7 and spherical bearing shell 8 like a ball joint on the swashplate facing Front side of the associated forging punch 3 supported thrust washer 9 consist.
  • the swash plates 6 are rotatable but axially with a stub shaft 12 immovably supported in an axially adjustable in the machine box 1 Bearing sleeve 13, which in turn with an external thread 14 in a rotatable, however axially displaceably engages in the forging box 1 supported adjusting nut 15, the adjusting nut 15 can be rotated via a rotary drive 16, the from a worm 17 and one of the adjusting nut 15 on the outer circumference formed worm gear ring 18.
  • the worm 17 is with a Drive gear 19 connected, which drive gears 19 via intermediate wheels 20 with a on the forging box 1 about the forging axis A and comb driven central wheel 21.
  • the central wheel 21st driven, the rotary drive 16 is used to turn the adjusting nut 13 and thus an axial change in position of the bearing sleeve 13, whereby the Swash plate 6 is axially adjusted and the stroke position of the Forge stamp 3 changes.
  • Toothed belt drive 22 To drive the swash plate 6 is a toothed belt drive 22, the rotating one Toothed belt 23 as a circumferential ring gear 24 of the swash plate 6 a toothed belt pulley with a seated on a parallel bevel gear shaft 25 Toothed pulley 26 connects.
  • a small bevel gear sits on the bevel gear shaft 25 27, the one on the forging box 1 coaxial to the forging axis
  • a rotatable and driven large bevel gear 28 meshes.
  • a drive this Large bevel gear 28, for example via a pulley 29, therefore leads for driving the toothed belt drive 22 and thus for swash plate rotation and for the lifting movement of the forging stamp 3.
  • FIG. 3 shows a similar forging machine 1, with parts remaining the same with the same reference numerals are provided, only in this machine the forging box 3 is rotating and drivably mounted in a machine frame 30 and can only with a a drive wheel 31 indicated drive around the forging axis A in rotation are offset so that the forging machine can be used as a rotary kneading machine is. Since the swash plate drives 5 and the stroke position adjustment devices arranged and supported together with their drives on the machine box the functions of lifting drives and stroke position adjustment devices remain unchanged and can also be used while rotating the forging box be used unimpaired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Forging (AREA)
EP99890379A 1998-12-07 1999-12-07 Machine à forger Expired - Lifetime EP1008403B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0205198A AT406647B (de) 1998-12-07 1998-12-07 Schmiedemaschiine
AT205198 1998-12-07

Publications (3)

Publication Number Publication Date
EP1008403A2 true EP1008403A2 (fr) 2000-06-14
EP1008403A3 EP1008403A3 (fr) 2001-09-05
EP1008403B1 EP1008403B1 (fr) 2003-03-19

Family

ID=3526725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99890379A Expired - Lifetime EP1008403B1 (fr) 1998-12-07 1999-12-07 Machine à forger

Country Status (4)

Country Link
US (1) US6240759B1 (fr)
EP (1) EP1008403B1 (fr)
AT (1) AT406647B (fr)
DE (1) DE59904611D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002024374A1 (fr) * 2000-09-22 2002-03-28 Uniflex-Hydraulik Gmbh Presse radiale

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103100629B (zh) * 2013-02-01 2015-04-15 青岛嘉龙自动化设备有限公司 具有柱塞缸抗偏载结构的锻压机及其装配方法、使用方法
DE102014101349A1 (de) * 2014-02-04 2015-08-06 Benteler Automobiltechnik Gmbh Umformwerkzeug mit Lochstempel
CN109201990B (zh) * 2018-10-30 2024-09-27 沈阳重机重矿机械设备制造有限公司 一种分传动直驱式四锤头精锻机
CN113909324B (zh) * 2021-08-31 2024-12-06 江阴市飞杰机械制造有限公司 一种摆动挤压机
CN114101560B (zh) * 2021-11-26 2023-08-15 陕西大力神航空新材料科技股份有限公司 一种钛合金热锻快速生产设备
CN116550922B (zh) * 2023-06-19 2024-01-26 浙江技佳五金制造有限公司 一种多系列跳扣轴生产用高精度防呆冷锻成型装置
CN120023282B (zh) * 2025-04-22 2025-07-08 山西富兴通重型环锻件有限公司 一种大型法兰锻造设备及锻造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL68425B1 (fr) * 1970-03-16 1973-02-28
AT368728B (de) * 1981-01-21 1982-11-10 Gfm Fertigungstechnik Schmiedemaschine
JP3198533B2 (ja) * 1991-05-14 2001-08-13 株式会社日立製作所 機械式プレス

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002024374A1 (fr) * 2000-09-22 2002-03-28 Uniflex-Hydraulik Gmbh Presse radiale

Also Published As

Publication number Publication date
EP1008403A3 (fr) 2001-09-05
AT406647B (de) 2000-07-25
US6240759B1 (en) 2001-06-05
ATA205198A (de) 1999-12-15
DE59904611D1 (de) 2003-04-24
EP1008403B1 (fr) 2003-03-19

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