EP2295165A1 - Presse zum simultanen Vor- und Fertigpressen / Prägen - Google Patents

Presse zum simultanen Vor- und Fertigpressen / Prägen Download PDF

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Publication number
EP2295165A1
EP2295165A1 EP10176583A EP10176583A EP2295165A1 EP 2295165 A1 EP2295165 A1 EP 2295165A1 EP 10176583 A EP10176583 A EP 10176583A EP 10176583 A EP10176583 A EP 10176583A EP 2295165 A1 EP2295165 A1 EP 2295165A1
Authority
EP
European Patent Office
Prior art keywords
mold
workpiece
press
finishing
plate
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
EP10176583A
Other languages
English (en)
French (fr)
Other versions
EP2295165B1 (de
Inventor
Domenico Caggioli
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.)
Mecolpress SpA
Original Assignee
Mecolpress SpA
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Filing date
Publication date
Application filed by Mecolpress SpA filed Critical Mecolpress SpA
Publication of EP2295165A1 publication Critical patent/EP2295165A1/de
Application granted granted Critical
Publication of EP2295165B1 publication Critical patent/EP2295165B1/de
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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/022—Special design or construction multi-stage forging presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B7/00—Presses characterised by a particular arrangement of the pressing members
    • B30B7/02—Presses characterised by a particular arrangement of the pressing members having several platens arranged one above the other

Definitions

  • the present invention relates to a press molding and simultaneously roughcasting and finishing embossing apparatus.
  • end screw pressing machines including adjoining pressing dies, either longitudinally or transversely arranged, or also arranged on the press bottom plate in an offset relationship with respect to the axial pressing force of the press are conventionally used.
  • the heated material length is arranged on the roughing die, and is shaped or contoured by a first press stroke.
  • the thus processed workpiece is brought to the finishing die and finished by a second press stroke.
  • the pressing machine molds or dies usually a pair of operating dies, must be made with an enlarged size and strong auxiliary guides for achieving a target-shape final piece.
  • the aim of the present invention is to provide such a press molding and simultaneously roughcasting and finishing/embossing apparatus allowing to overcome the above mentioned drawbacks of like prior pressing machines.
  • a main object of the invention is to provide such an apparatus allowing to fully eliminate anomalous stresses on the pressing machine construction.
  • Another object of the invention is to provide such an apparatus allowing to use a pressing construction having a pressing capability mating the maximum force required by the workpiece, without oversizing the press.
  • Another object of the present invention is to provide such an apparatus which, owing to its specifically designed features, is very reliable and safe in operation.
  • a press molding and simultaneously roughcasting and finishing/embossing apparatus characterized in that said apparatus comprises a bottom plate, to be clamped to a base plate on a press bed, two or more guide columns, a central middle movable plate and a top plate to be clamped to the press ram or slide, between the bottom plate and the middle movable plate being arranged a pair of workpiece finishing or roughcasting half-molds, comprising a finishing or roughcasting top half-mold and a finishing or roughcasting bottom half-mold, between said middle plate and top plate being arranged a said pair of said workpiece roughcasting or finishing half-molds constituted by a roughcasting or finishing top half-mold and a roughcasting bottom half-mold, the locating of said finishing or roughcasting molds between said middle movable plate and bottom plate being an indifferent one
  • finishing mold or die may be arranged between the middle movable plate and top plate, whereas the roughcasting or finishing mold or die may be arranged between the middle movable plate and bottom plate while performing the same operating cycle, but with different locations of the molds or dies.
  • a heated piece length is deposited on the top mold or die with the middle plate bearing on or raised from the fixed bottom mold, after having performed the press stroke and during the raising movement of the press ram being simultaneously actuated a middle plate opening or raising system, with said press ram at the top and the movable mold bearing plate at the top, being driven a workpiece ejecting and raising member thereby taking the workpiece and immediately displacing it into the finishing bottom mold or die, simultaneously in said top mold or die being deposited a further heated piece length, said movable middle plate being fully lowered and being performed a press stroke, thereby providing a roughcasting of said workpiece in the top mold pair and a simultaneously finishing/roughcasting in the bottom mold pair, the press operating cycle being then repeated by sequentially displacing the workpieces from the top mold to the bottom mold.
  • the roughing and finishing molds or dies are arranged one above the other, perfectly in axis or aligned with the press pushing or pressing axis, while eliminating any anomalous stress and allowing to use a unoversized press, with a pressing capability mating the maximum pressing force required by the workpiece being pressed.
  • the press molding and simultaneously roughcasting finishing/embossing apparatus which has been generally indicated by the reference number 1, comprises a bottom plate 13 to be fixed to a base plate 14 on the basement 15 of the pressing apparatus.
  • the subject press apparatus further comprises two or more guide columns 10, a movable middle center plate 8 and a top plate 16 to be fixed to the ram or slide 12 of the press.
  • Said ram or slide 12 comprises a top ejecting device 6 for ejecting the workpiece.
  • a pair of half-molds for finishing or roughing the workpiece comprising a top finishing half-mold, or a top roughing half-mold 4 and a bottom finishing or roughing half-mold 5.
  • the base plate 14 comprises an ejecting device 11 for ejecting the workpiece from the bottom mold or die 5.
  • a pair of workpiece roughing or finishing half-molds comprising a top roughing or finishing half-mold 2 and a bottom roughing or finishing half-mold 3.
  • the movable middle plate 8 comprises a dedicated ejecting device 9 for ejecting therefrom and raising the pressed workpiece to allow the latter to be taken.
  • the bottom plate 13 is affixed or clamped on the base plate 14 of the press, the top plate 16 being fixed or clamped to the press ram or slide 12.
  • the middle plate 8 slides on apparatus column guides 10 and being driven by driving cylinders 7 which may be either pneumatic, hydraulic cylinder or electrically-electronically driven system cylinders.
  • the movable middle plate 8, with the top finishing half-mold 4 and the bottom roughing half-mold 3 is raised, upon a stroke of the press, to open the bottom molds or dies, so as to take the workpiece therefrom or load said workpiece thereinto.
  • the depositing and taking operation both of the heated piece length and the roughed or finished piece may carried out either manually or by automatic, electronic, hydraulic or pneumatic systems.
  • the roughing mold or die may be arranged above the movable middle plate and the finishing mold may be arranged on the fixed bottom plate.
  • the heated length is arranged on the top mold with the middle plate 8 bearing on the fixed bottom mold.
  • the middle plate opening or raising system is simultaneously actuated.
  • the workpiece ejecting device With the press ram located at top position and the movable mold bearing plate in a raised condition, the workpiece ejecting device is so actuated as to allow the piece to be taken and immediately brought to the bottom finishing mold.
  • a new heated piece length is engaged in the top mold or die; the movable middle plate is fully lowered to perform a novel press stroke, thereby providing a roughing of the workpiece engaged in the top mold pair while simultaneously providing a finishing operation in the bottom mold pair.
  • the operating cycle is repeated, by sequentially displacing or driving the workpieces from the top to the bottom mold.
  • the required pressing force will be gradually increased to the maximum finishing and embossing force, without any impacts between the press molds which would occur if the finishing operation would be carried out by a further dedicated press stroke.
  • the workpiece loading, taking and relocating and unloading system usually comprises automatically operated arms, thereby allowing a very quick operating cycle to be performed, to achieve, for each press stroke, a finished workpiece.
  • the apparatus system comprises moreover suitably designed channel patterns for thermo-adjusting the mold or die temperature, to hold the workpiece temperature constant.
  • the apparatus according to the present invention may operate by an automatic operating cycle to load-unload workpieces by using automatic electronic, hydraulic or pneumatic operating arms.
  • the first arm including a double gripper device, after having taken the heated piece length from the heating oven, will be preset for taking the finished workpiece.
  • the operating arm With the mold middle plate in a raised condition, the operating arm will engage and take the workpiece, while simultaneously the second operating arm will engage and remove the roughed piece from the top mold or die.
  • the two operating arms will be immediately located the first at the top mold and the second at the bottom mold to deposit one the heated length into the top mold and the other roughed piece into the finishing mold.
  • the first arm will unload the finished workpiece and take a new piece length to be reloaded.
  • the invention has provided an automatic press molding and simultaneously roughcasting and finishing/embossing apparatus in which, owing to the fact that the roughing and finishing molds or dies are arranged onto one another in a perfectly axially aligned condition with the press pushing axis, will be practically eliminated any anomalous operating stress, thereby it will be possible to use a pressing machine having just the pressing capability necessary for the maximum pressing force on the workpiece.
  • the used materials, as well as the contingent size and shapes can be any, according on requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP10176583.2A 2009-09-15 2010-09-14 Presse zum simultanen Vor- und Fertigpressen / Prägen Active EP2295165B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2009A001576A IT1395741B1 (it) 2009-09-15 2009-09-15 Apparecchiatura per lo stampaggio pezzo con sbozzatura e finitura coniatura simultanea al bilanciere e pressa.

Publications (2)

Publication Number Publication Date
EP2295165A1 true EP2295165A1 (de) 2011-03-16
EP2295165B1 EP2295165B1 (de) 2017-05-03

Family

ID=41800648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10176583.2A Active EP2295165B1 (de) 2009-09-15 2010-09-14 Presse zum simultanen Vor- und Fertigpressen / Prägen

Country Status (2)

Country Link
EP (1) EP2295165B1 (de)
IT (1) IT1395741B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012168150A1 (de) * 2011-06-07 2012-12-13 Mahle International Gmbh Verfahren zur gleichzeitigen herstellung eines ersten und zweiten kolbenteils
CN102922764A (zh) * 2012-11-23 2013-02-13 上海运良锻压机床有限公司 推缸式液压螺旋压力机
CN103831380A (zh) * 2013-12-15 2014-06-04 无锡透平叶片有限公司 一种gh4169合金锻件的模锻成型工艺
CN108213205A (zh) * 2018-01-26 2018-06-29 芜湖金光汽车配件有限责任公司 一种加强模具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2723848A1 (de) * 1977-05-26 1978-12-07 Daimler Benz Ag Presse
DE19611611A1 (de) * 1996-03-23 1997-09-25 Schuler Pressen Gmbh & Co Presse
EP0919362A1 (de) * 1997-11-28 1999-06-02 Vam Aerotecnica di Borghi Mauro Olydinamische Gesenkpresse mit vertikaler Achsialschub, ausgestattet mit mehreren Gesenkpaaren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2723848A1 (de) * 1977-05-26 1978-12-07 Daimler Benz Ag Presse
DE19611611A1 (de) * 1996-03-23 1997-09-25 Schuler Pressen Gmbh & Co Presse
EP0919362A1 (de) * 1997-11-28 1999-06-02 Vam Aerotecnica di Borghi Mauro Olydinamische Gesenkpresse mit vertikaler Achsialschub, ausgestattet mit mehreren Gesenkpaaren

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012168150A1 (de) * 2011-06-07 2012-12-13 Mahle International Gmbh Verfahren zur gleichzeitigen herstellung eines ersten und zweiten kolbenteils
US20130092024A1 (en) * 2011-06-07 2013-04-18 Klaus Keller Method for simultaneously producing first and second piston parts
CN103582541A (zh) * 2011-06-07 2014-02-12 马勒国际有限公司 一种同时生产第一活塞部件和第二活塞部件的方法
US9656320B2 (en) 2011-06-07 2017-05-23 Mahle International Gmbh Method for simultaneously producing first and second piston parts
CN102922764A (zh) * 2012-11-23 2013-02-13 上海运良锻压机床有限公司 推缸式液压螺旋压力机
CN102922764B (zh) * 2012-11-23 2015-01-07 上海运良锻压机床有限公司 推缸式液压螺旋压力机
CN103831380A (zh) * 2013-12-15 2014-06-04 无锡透平叶片有限公司 一种gh4169合金锻件的模锻成型工艺
CN108213205A (zh) * 2018-01-26 2018-06-29 芜湖金光汽车配件有限责任公司 一种加强模具

Also Published As

Publication number Publication date
EP2295165B1 (de) 2017-05-03
IT1395741B1 (it) 2012-10-19
ITMI20091576A1 (it) 2011-03-16

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