EP0144727A1 - Installation de moulage - Google Patents
Installation de moulage Download PDFInfo
- Publication number
- EP0144727A1 EP0144727A1 EP84113174A EP84113174A EP0144727A1 EP 0144727 A1 EP0144727 A1 EP 0144727A1 EP 84113174 A EP84113174 A EP 84113174A EP 84113174 A EP84113174 A EP 84113174A EP 0144727 A1 EP0144727 A1 EP 0144727A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molding
- box
- plant according
- sand
- plate carrier
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
- B22C11/10—Moulding machines characterised by the relative arrangement of the parts of same with one or more flasks forming part of the machine, from which only the sand moulds made by compacting are removed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
Definitions
- the invention relates to a molding system with a molding machine for producing boxless casting molds from molding sand containing binding clay, with a sand bunker which has a vertically adjustable, closable shooting and pressing grate at its lower end, a mold frame and a hollow model plate carrier connected to at least one air line via a valve device .
- a molding machine of this type is known from DE-A 28 44 464.
- the molding sand is injected into a mold frame according to the vacuum closing principle and, if necessary, pneumatically compressed using the air blast pulse method and mechanically pressed into a mold half.
- this known molding machine is designed as a high-performance molding machine and is intended for series production of only one identical mold half. For this reason, two molding machines work together in pairs, one of which only produces the lower and the other only the upper mold halves.
- the invention is therefore based on the object of providing an appropriate molding system on which the sand bales of the lower and upper molds can be produced alternately.
- the mold frame consists of a lower box and an upper box, the empty upper box being located above the lower box and surrounding the sand bunker during the production of the lower mold half.
- the molding plant according to the invention advantageously takes up little space and is so low that deep mold pits and foundations can be dispensed with, and therefore placement in the crane area is also possible in smaller foundries with low halls.
- the conception according to the invention also makes it possible to fall back on as many already existing and tried and tested components of different types of molding plants, whereby development and construction costs as well as later maintenance and repair costs can be kept low.
- the inventive measures make it possible to load cores before closing the mold and its removal through a pouring and cooling line ackstation p to a corner.
- the molding system comprises a vacuum shooting molding machine with a sand bunker 1, the at least lower part of which is vertically adjustable and which has a closable shooting and pressing grate 2 at its lower end and a venturi-like wall recess above it.
- the adjustable lower part of the sand bunker is surrounded in the starting position by a lower box 3 and an upper box 4, which are arranged one above the other and are vertically adjustable by means of their own cylinder units, not shown.
- a hollow model plate carrier 5, which is covered on both sides with model plates, is mounted under the shooting and pressing grate so as to be rotatable about a horizontal axis.
- the cavity of the model plate carrier is divided by a partition 6 into two chambers 7 and 8, which can be acted upon independently by compressed air or vacuum.
- the pressure prevailing in the chamber in each case propagates through the air passage openings provided in the model plate and in the model in the molding process in a known manner.
- the model plate carrier can also be moved horizontally into one of the possible positions according to FIG. 7, which are determined by the respective local conditions at the place of use.
- the molding machine has a lifting table 9 in the molding station under the model plate carrier and next to the molding station after a core insertion station 10. It is also equipped with a turning device that opens the lower box moving out of the molding station before being set down the table of the core insertion station by 180 °.
- a push plate 11 which pushes the ready-to-cast bale mold onto a pouring and cooling section which begins next to the forming station and which advantageously consists of a single-strand roller conveyor 12, the drive and brake rollers of which can be set with couplings adjustable for the transmission of a definite drive or braking force are provided.
- lower box 3 and upper box 4 are first moved downwards by their cylinder units until the lower edge of lower box 3 with model plate carrier 5 or the model plate fastened thereon, and the upper edge with the shooting grate 2 in an airtight system. Then the shooting grate 2 is moved to the open position and jerky vacuum is generated in the chamber 7 above.
- the molding sand enclosed in the lower box is mechanically compressed again, if necessary after an air pressure impulse compression known from DE-PS 28 44 464, by lowering the closed grate now functioning as a press body (FIG. 2), the sand bunker 1 being piston-shaped into the box intervenes.
- the sand bunker 1 After pressing, the sand bunker 1 is lifted so far, taking the mold boxes 3, 4, that the lower box 3 can be moved laterally out of the molding station via the model, whereby it is turned through 180 ° before being placed on the table of the core insertion station. Simultaneously with the lower box, the model plate carrier 5 is turned through 180 ° (FIG. 3).
- the upper box 4 is now moved into the position shown in FIG. 4 and filled with sand in the manner already described, compacted again and lifted off the model. Then the model plate is turned over and moved laterally out of the molding station into one of the positions shown in broken lines in FIG. 7, which are determined by the given local space conditions of the foundry.
- the lower box 3 into which cores may have been inserted in the meantime, is pushed under the upper box 4 interacting with the sand bunker 1 and pressed against it by the lifting table 9 (FIG. 5).
- the mold boxes 3 and 3 which are aligned coaxially with the sand bunker 1, are raised further into the position according to FIG. 6, in which both comprise the sand bunker in the manner of a cylinder jacket, which comprises a piston.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3339620 | 1983-11-02 | ||
DE3339620A DE3339620C1 (de) | 1983-11-02 | 1983-11-02 | Formanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0144727A1 true EP0144727A1 (fr) | 1985-06-19 |
EP0144727B1 EP0144727B1 (fr) | 1988-02-24 |
Family
ID=6213272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84113174A Expired EP0144727B1 (fr) | 1983-11-02 | 1984-11-02 | Installation de moulage |
Country Status (6)
Country | Link |
---|---|
US (1) | US4586555A (fr) |
EP (1) | EP0144727B1 (fr) |
JP (1) | JPS61500258A (fr) |
DE (1) | DE3339620C1 (fr) |
DK (1) | DK299285D0 (fr) |
WO (1) | WO1985001899A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3339941A1 (de) * | 1983-11-04 | 1985-05-15 | Forma-Bühler GmbH Automatische Formanlagen, 8900 Augsburg | Verfahren und vorrichtung zur herstellung von aus zwei formhaelften bestehenden kastenlosen giessformen |
DE3437702C1 (de) * | 1984-10-15 | 1985-06-13 | Eugen Dipl.-Ing. 8877 Burtenbach Bühler | Verfahren und Formanlage zur Herstellung von horizontal geteilten kastenlosen Sandblock-Gießformen |
DE3507179C1 (de) * | 1985-03-01 | 1985-10-31 | Eugen Dipl.-Ing. 8877 Burtenbach Bühler | Verfahren und Vorrichtung zur Herstellung von kastenlosen Giessformen |
DE3626486A1 (de) * | 1986-08-05 | 1988-02-11 | Buehler Eugen | Verfahren und vorrichtung zur herstellung geteilter, kastenloser giessformen |
DE3742766C2 (de) * | 1987-12-17 | 1996-04-04 | Buehler Eisengieserei Gmbh | Verfahren und Vorrichtung zur maschinellen Herstellung von aus umweltunschädliche Binder enthaltendem Modellsand und Füllsand bestehenden kastenlosen Gießformteilen |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2844464B1 (de) * | 1978-10-12 | 1980-04-24 | Eugen Dipl-Ing Buehler | Verfahren und Vorrichtung zum Verdichten von Giessformen |
DE3020349C1 (de) * | 1980-05-29 | 1981-10-01 | Eugen Dipl.-Ing. 8871 Burtenbach Bühler | Verfahren und Vorrichtung zum Transportieren von zu einem Strang zusammengefuegten senkrecht geteilten Sandblock-Giessformen |
DE3011265C2 (de) * | 1980-03-24 | 1981-12-10 | Bühler, Eugen, Dipl.-Ing., 8871 Burtenbach | Verfahren und Vorrichtung zum Transportieren von kastenlosen Sandgießformen |
DE8307114U1 (de) * | 1983-03-11 | 1983-09-29 | Achinger, Michael, 8900 Augsburg | Vorrichtung zur herstellung kastenloser formen |
EP0098405A1 (fr) * | 1982-07-06 | 1984-01-18 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour la fabrication de pièces moulées à vert de grand format (surface des moules 1-3 m2) pour la coulée en motte |
DE2923044C2 (de) * | 1979-06-07 | 1987-05-27 | Eugen Dipl.-Ing. 8877 Burtenbach Bühler | Verfahren und Vorrichtung zur Herstellung von geteilten Komposit-Sandblock-Gießformen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2712489C3 (de) * | 1977-03-22 | 1980-07-24 | Gustav Zimmermann Maschinenfabrik Gmbh, 4000 Duesseldorf | Vorrichtung zum Einfüllen und Verdichten des Formsandes bei der Herstellung von Sandformen für Gießereizwecke |
IT1111713B (it) * | 1979-03-12 | 1986-01-13 | Hansberg Julius | Foramtrice a sparo e compressione in staffe |
JPS5853349A (ja) * | 1981-09-22 | 1983-03-29 | Sintokogio Ltd | 鋳型造型方法及びその装置 |
DE3201844A1 (de) * | 1982-01-22 | 1983-08-04 | BMD Badische Maschinenfabrik Durlach GmbH, 7500 Karlsruhe | Giesserei-formanlage zur herstellung zweiteiliger kastenloser formen |
DE3206169C1 (de) * | 1982-02-20 | 1983-09-29 | Michael 8900 Augsburg Achinger | Formmaschine zur Herstellung kastenloser Formen |
-
1983
- 1983-11-02 DE DE3339620A patent/DE3339620C1/de not_active Expired
-
1984
- 1984-10-26 US US06/665,203 patent/US4586555A/en not_active Expired - Fee Related
- 1984-11-02 EP EP84113174A patent/EP0144727B1/fr not_active Expired
- 1984-11-02 WO PCT/EP1984/000344 patent/WO1985001899A1/fr unknown
- 1984-11-02 JP JP59504220A patent/JPS61500258A/ja active Pending
-
1985
- 1985-07-01 DK DK299285A patent/DK299285D0/da not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2844464B1 (de) * | 1978-10-12 | 1980-04-24 | Eugen Dipl-Ing Buehler | Verfahren und Vorrichtung zum Verdichten von Giessformen |
DE2923044C2 (de) * | 1979-06-07 | 1987-05-27 | Eugen Dipl.-Ing. 8877 Burtenbach Bühler | Verfahren und Vorrichtung zur Herstellung von geteilten Komposit-Sandblock-Gießformen |
DE3011265C2 (de) * | 1980-03-24 | 1981-12-10 | Bühler, Eugen, Dipl.-Ing., 8871 Burtenbach | Verfahren und Vorrichtung zum Transportieren von kastenlosen Sandgießformen |
DE3020349C1 (de) * | 1980-05-29 | 1981-10-01 | Eugen Dipl.-Ing. 8871 Burtenbach Bühler | Verfahren und Vorrichtung zum Transportieren von zu einem Strang zusammengefuegten senkrecht geteilten Sandblock-Giessformen |
EP0098405A1 (fr) * | 1982-07-06 | 1984-01-18 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour la fabrication de pièces moulées à vert de grand format (surface des moules 1-3 m2) pour la coulée en motte |
DE8307114U1 (de) * | 1983-03-11 | 1983-09-29 | Achinger, Michael, 8900 Augsburg | Vorrichtung zur herstellung kastenloser formen |
Also Published As
Publication number | Publication date |
---|---|
JPS61500258A (ja) | 1986-02-20 |
DE3339620C1 (de) | 1984-04-26 |
US4586555A (en) | 1986-05-06 |
EP0144727B1 (fr) | 1988-02-24 |
WO1985001899A1 (fr) | 1985-05-09 |
DK299285A (da) | 1985-07-01 |
DK299285D0 (da) | 1985-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3507179C1 (de) | Verfahren und Vorrichtung zur Herstellung von kastenlosen Giessformen | |
DE3437702C1 (de) | Verfahren und Formanlage zur Herstellung von horizontal geteilten kastenlosen Sandblock-Gießformen | |
DE2336835A1 (de) | Presse zur herstellung von bloecken, insbesondere blockelektroden | |
EP0144727B1 (fr) | Installation de moulage | |
DE2144389A1 (de) | Vorrichtung und Verfahren zum Zerbrechen und Ausleeren von Sandformen | |
DE60213425T2 (de) | Insbesondere für die herstellung von elektroden bestimmte giessanlage und in einer solchen anlage verwendetes verfahren | |
DE2246190A1 (de) | Flurfoerderzeug zum auswechseln von modellbrettern in automatischen formenteil-herstellungsmaschinen | |
DE2048749A1 (de) | Verfahren zur Herstellung von Giessfor men in Formkasten auf Formautomaten mit meh reren Arbeitsstationen mit vom Formkasten umlauf getrenntem Modellumlauf | |
DE2621935C3 (de) | Gießerei-Formmaschine für kastenlose Sandformen | |
DE1234940B (de) | Pressformmaschine | |
DE2144388A1 (de) | Verfahren und Vorrichtung zur Herstellung von Gießformen | |
DE1508739C3 (de) | Vorrichtung zur Herstellung kernbestückter, kastenloser Gießformen | |
DE3151610A1 (de) | Maschine zur herstellung von giessformen | |
DE3035335C2 (de) | Formmaschine zur Herstellung kastenloser Formen | |
DE3803648A1 (de) | Formmaschine | |
DE3713937A1 (de) | Verfahren zur herstellung von giessformen und formanlage zur durchfuehrung des verfahrens | |
AT388328B (de) | Vorrichtung zur herstellung von isoliereinlagen enthaltenden bausteinen | |
DE2402787A1 (de) | Vorrichtung zum formen von hohlkammern aufweisenden formsteinen | |
DE1558391B1 (de) | Verfahren und vorrichtung zum setzen eines gruenkerns in eine giessform | |
DE3107171C2 (fr) | ||
DE2713980A1 (de) | Verfahren und vorrichtung zur herstellung von sandformen | |
AT202050B (de) | Automatische Presse zum Herstellen großformatiger Formlinge | |
DD139799B1 (de) | Formmaschine zur herstellung von kastenlosen sandformen | |
DE1106929B (de) | Verfahren und Vorrichtung zum kontinuierlichen Herstellen von zweiteiligen kastenlosen Sandformen in der Giesserei | |
CH625146A5 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): FR GB IT |
|
17P | Request for examination filed |
Effective date: 19851115 |
|
ITF | It: translation for a ep patent filed |
Owner name: ST. ASSOC. MARIETTI & PIPPARELLI |
|
17Q | First examination report despatched |
Effective date: 19861217 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): FR GB IT |
|
ITF | It: translation for a ep patent filed |
Owner name: DR. ING. AUSSERER ANTON |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19900917 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19901011 Year of fee payment: 7 |
|
ITTA | It: last paid annual fee | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19911102 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19920731 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |