EP2654989B1 - GIESSVORRICHTUNG FÜR EINEN KOLBEN FÜR EINEN VERBRENNUNGSMOTOR UND VERFAHREN ZUM ÖFFNEN UND/ODER SCHLIEßEN EINER GIESSVORRICHTUNG - Google Patents

GIESSVORRICHTUNG FÜR EINEN KOLBEN FÜR EINEN VERBRENNUNGSMOTOR UND VERFAHREN ZUM ÖFFNEN UND/ODER SCHLIEßEN EINER GIESSVORRICHTUNG Download PDF

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Publication number
EP2654989B1
EP2654989B1 EP11785016.4A EP11785016A EP2654989B1 EP 2654989 B1 EP2654989 B1 EP 2654989B1 EP 11785016 A EP11785016 A EP 11785016A EP 2654989 B1 EP2654989 B1 EP 2654989B1
Authority
EP
European Patent Office
Prior art keywords
casting device
slider
sleeve
piston
quill
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.)
Not-in-force
Application number
EP11785016.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2654989A1 (de
Inventor
Frank Nitsche
Achim JÄGER
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.)
Federal Mogul Nuernberg GmbH
Original Assignee
Federal Mogul Nuernberg 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44999780&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2654989(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Federal Mogul Nuernberg GmbH filed Critical Federal Mogul Nuernberg GmbH
Priority to PL11785016T priority Critical patent/PL2654989T3/pl
Publication of EP2654989A1 publication Critical patent/EP2654989A1/de
Application granted granted Critical
Publication of EP2654989B1 publication Critical patent/EP2654989B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B22C9/062—Mechanisms for locking or opening moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
    • B22D15/02—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor of cylinders, pistons, bearing shells or like thin-walled objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 

Definitions

  • the invention relates to a casting device for a piston for an internal combustion engine and to a method for opening and / or closing a casting device according to the preamble of claims 1 and 7, respectively.
  • the invention has for its object to simplify an apparatus and a method for casting a piston for an internal combustion engine and at the same time to allow as extensive as possible the formation of recesses for weight savings.
  • this has at least one largely linearly movable quill to form at least one piston pin bore.
  • the quill is thus a component which, at its end directed towards the casting cavity, has a largely cylindrical section which leaves a cavity for the piston pin bore on the finished piston.
  • the sleeve can have sections with a larger diameter and measures for coupling to a drive or, as described below, at least indirectly with the slide.
  • At least one slide which can be moved substantially linearly and at an angle to the sleeve, is provided on the piston for forming at least one recess below the ring field.
  • the travel of the slide results from the fact that the recesses under the ring field typically extend at an acute angle to the piston axis and thus obliquely to the axis of the quills extending perpendicular to the piston axis.
  • the quill is at least indirectly coupled to the slide in such a way that the quill at least partly entrains the slide during the process.
  • This coupling can be designed, for example, when the casting device is opened in such a way that the sleeve is initially pulled back a little way is, and then a portion of the quill so at least indirectly engages the slider that it is moved obliquely to the quill.
  • the quill is coupled to the slide, in particular for the opening movement, in such a way that it "takes along” it as part of a pulling movement.
  • this coupling can also be effective when closing in the context of a "pushing" movement.
  • the process can take place substantially in the opposite direction, wherein it is currently preferred to effect a movement of the slide back into its closed position over substantially the entire closing movement of the sleeve.
  • the slider expediently has a projection which forms the positive shape of the desired recess and is widening in the direction of movement for a particularly simple retraction when the mold is opened.
  • the casting apparatus further includes any molds (halves) required for casting a complete piston. Further, both the sleeve and the slider are preferably provided in duplicate, to form the necessary configurations on both sides of the piston. Finally, the quill can pass through an opening in the slide.
  • common casting devices do not have to be rebuilt. Compared to a pivoting movement of casting cores to form recesses under the ring field also results in the advantage that the recesses can be made deeper, and thus a more extensive weight savings is possible.
  • the slider is guided in at least one guide.
  • the movement of the slider can be defined very precisely.
  • the coupling with the quill are made flexible in a certain frame, so that the guide can be interchangeable and / or, for example changeable in terms of angle, without having to change the coupling with the quill.
  • the guide is replaceable. This offers the advantage of being able to adapt the travel path of the slide to different piston geometries. Alternatively or additionally, the angle provided by the guide with respect to the travel of the sleeve can be changed.
  • pivoting fork For the coupling between slide and quill a so-called pivoting fork is currently preferred, with which the slide is connected at least indirectly and at least to some extent pivotally.
  • the pivoting fork is pivotable through the sleeve, so that the quill "takes along" the slider by means of the pivoting fork.
  • At least one pin on the quill which can be brought into engagement with a projection and / or a sliding surface on the pivoting fork, is also currently preferred.
  • the engagement with a projection is currently preferred for take-along when opening, while the interaction with a sliding surface in the context of the closing movement offers advantages.
  • Fig. 1 a section of the casting device according to the invention is shown, wherein in the side view of Fig. 1 in the first place a guide 14 for the linear movement of a slider 12 in the direction A can be seen. Furthermore, in Fig. 1 one of which (according to Fig. 1 located on the left) casting cavity facing away from the sleeve 10 can be seen, which is movable in the direction B. Thus, the directions A and B are oblique to each other.
  • the sleeve 10 and the slider 12 are coupled by means of a pivoting fork 16, which is pivotable about an axis 24 in a direction C.
  • the mentioned coupling takes place in the example shown via a pin 18 which is engageable when opening with a projection 20 on the pivoting fork 16 and when closing with a sliding surface 22 on the pivoting fork in engagement.
  • Fig. 2 that the state of Fig. 1 It can also be seen that the sleeve 10 extends through an opening in the slider 12, and that the slider 12 according to the figures in the upper region has a nose-like projection 26 for forming a recess below the annular field of a piston.
  • Fig. 3 to recognize the coupling between the slider 12 and the pivoting fork 16, which consists in that a widened, free end 28 of the pivoting fork 16 is inserted into a cavity 30 in the slider such that a linear movement can be transmitted
  • Fig. 7 can be seen, a slight pivoting movement is made possible, and also a certain linear displacement (according to the figures from right to left) is allowed.
  • This mobility is due to the determination of the movement of the slider by the guide (see. Fig. 1 ) low, since the movement of the slide can be defined by the guide in the said degrees of freedom between the slide and the pivoting fork, but can be transmitted through the fork on the slider.
  • FIGS. 2 and 3 correspond to the closed state of the casting apparatus and both quill and slide are in a casting position is in 4 and 5 an intermediate position shown, in which the casting device is still closed, but the quill 10 is partially retracted, while the slider 12 is still in a casting position.
  • Fig. 5 It can be seen that the pin 8 on the quill is just with the projection 20 on the pivoting fork 16 is engaged to start the entrainment of the slider 12.
  • Fig. 6 results in the final position in which the sleeve 10 is moved back a maximum, the slider is cleared and the casting device can thus be opened.
  • the pivoting fork 16 it can be seen that this has been pivoted at least slightly counterclockwise, and thereby, in particular in Fig. 7 shown, the slide whose movement continues through the guide 14 (see. Fig. 1 ), took with him. Since in the example shown, the travel of the slider is relatively steep, the free end 28 of the pivot fork 16 has moved out of the cavity 30 of the slider 12 a little.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP11785016.4A 2010-12-23 2011-11-18 GIESSVORRICHTUNG FÜR EINEN KOLBEN FÜR EINEN VERBRENNUNGSMOTOR UND VERFAHREN ZUM ÖFFNEN UND/ODER SCHLIEßEN EINER GIESSVORRICHTUNG Not-in-force EP2654989B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11785016T PL2654989T3 (pl) 2010-12-23 2011-11-18 Urządzenie do odlewania tłoka silnika spalinowego oraz sposób otwierania i/lub zamykania urządzenia do odlewania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010064078A DE102010064078A1 (de) 2010-12-23 2010-12-23 Gießvorrichtung für einen Kolben für einen Verbrennungsmotor und Verfahren zum Öffnen und/oder Schließen einer Gießvorrichtung
PCT/EP2011/070454 WO2012084364A1 (de) 2010-12-23 2011-11-18 GIESSVORRICHTUNG FÜR EINEN KOLBEN FÜR EINEN VERBRENNUNGSMOTOR UND VERFAHREN ZUM ÖFFNEN UND/ODER SCHLIEßEN EINER GIESSVORRICHTUNG

Publications (2)

Publication Number Publication Date
EP2654989A1 EP2654989A1 (de) 2013-10-30
EP2654989B1 true EP2654989B1 (de) 2015-03-04

Family

ID=44999780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11785016.4A Not-in-force EP2654989B1 (de) 2010-12-23 2011-11-18 GIESSVORRICHTUNG FÜR EINEN KOLBEN FÜR EINEN VERBRENNUNGSMOTOR UND VERFAHREN ZUM ÖFFNEN UND/ODER SCHLIEßEN EINER GIESSVORRICHTUNG

Country Status (12)

Country Link
US (1) US8985186B2 (pl)
EP (1) EP2654989B1 (pl)
JP (1) JP5815732B2 (pl)
KR (1) KR101979702B1 (pl)
CN (1) CN103282142B (pl)
BR (1) BR112013016195B1 (pl)
DE (1) DE102010064078A1 (pl)
ES (1) ES2536797T3 (pl)
MX (1) MX343678B (pl)
PL (1) PL2654989T3 (pl)
RU (1) RU2579863C2 (pl)
WO (1) WO2012084364A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105579162B (zh) * 2013-09-27 2017-06-16 本田金属技术株式会社 活塞铸造方法和活塞铸造装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922809A1 (de) 1999-05-19 2000-11-23 Mahle Gmbh Verfahren zur Herstellung eines Kastenkolbens
US20080257518A1 (en) 2007-04-13 2008-10-23 Frank Timothy D Piston Mold Assembly and Method of Constructing a Piston Therewith

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097091B (de) 1957-04-18 1961-01-12 Sterling Aluminum Products Inc Giesseinrichtung fuer Kolben
GB1378827A (en) 1971-12-24 1974-12-27 Audi Ag Piston for rotary piston machines and a die-casting tool for its manufacture
GB2278581B (en) * 1991-11-29 1995-03-22 Alloy Wheels Int Ltd Cast vehicle wheels
DE19903278A1 (de) 1999-01-28 2000-08-03 Mahle Gmbh Leichter Kastenkolben
JP3400397B2 (ja) * 1999-11-30 2003-04-28 本田金属技術株式会社 金型装置
DE10325917A1 (de) * 2003-06-07 2005-03-31 Mahle Gmbh Kolben für einen Verbrennungsmotor und Gießverfahren zu dessen Herstellung
KR100535175B1 (ko) * 2004-03-29 2005-12-09 주식회사 센테크 카본유연성 발열구조체 제조용 전도성 조성물과 이를 이용한 카본유연성 발열구조체 및 이의 제조방법
DE102008048497A1 (de) 2008-09-23 2010-04-08 Ks Kolbenschmidt Gmbh Verfahren zur Herstellung eines Kolbens einer Brennkraftmaschine mit einem mehrteiligen Schieber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922809A1 (de) 1999-05-19 2000-11-23 Mahle Gmbh Verfahren zur Herstellung eines Kastenkolbens
US20080257518A1 (en) 2007-04-13 2008-10-23 Frank Timothy D Piston Mold Assembly and Method of Constructing a Piston Therewith

Also Published As

Publication number Publication date
US20130284393A1 (en) 2013-10-31
CN103282142A (zh) 2013-09-04
CN103282142B (zh) 2016-01-20
JP5815732B2 (ja) 2015-11-17
RU2013134357A (ru) 2015-01-27
JP2014507279A (ja) 2014-03-27
EP2654989A1 (de) 2013-10-30
BR112013016195B1 (pt) 2019-01-29
KR20140035329A (ko) 2014-03-21
KR101979702B1 (ko) 2019-05-17
PL2654989T3 (pl) 2015-07-31
WO2012084364A1 (de) 2012-06-28
MX343678B (es) 2016-11-17
US8985186B2 (en) 2015-03-24
DE102010064078A1 (de) 2012-06-28
MX2013006399A (es) 2014-01-31
RU2579863C2 (ru) 2016-04-10
ES2536797T3 (es) 2015-05-28
BR112013016195A2 (pt) 2018-05-15

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