• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:SU824882A3
    申请号:SU762423805
    申请日:1976-11-29
    公开日:1981-04-23
    发明作者:Грабш Георг
    申请人:Альфельдер Машинен-Унд Модельфабрик Кюнкель,Вагнер Унд Ko.Кг (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to foundry, in particular to machines for pressing the mixture.
    A device for the manufacture of casting molds is known, comprising a filling device, a chamber with a model located therein, containing slotted nozzles associated with a vacuum source, and a sealing device (punch); located above model 1.
    The disadvantage of this device is that additional energy is expended on overcoming air resistance in the sand mass, and its presence in the form reduces the quality of their compaction.
    The purpose of the invention is to improve the quality of manufactured casting molds.
    This goal is achieved by the fact that in the device containing a filling device, a chamber with a model located in it, containing slotted nozzles connected to a vacuum source, and also an extrusion device (punch) placed above the model, a sealing DEVICE is placed in the chamber.
    connected through a pipeline with a vacuum source.
    In addition, the pipeline is connected with slotted openings on the underside of the sealing device.
    FIG. 1 shows the installation, side view; in fig. 2-4 - suction areas (increased).
    0
    On the base 1, a press table 2 is installed with a model plate 3 carrying model 4 and a free surface 5. Model 4 is included in
    5 flask 6, above which there is a filling frame 8 filled with a mixture 7, associated with a frame 9, bounded above by a ceiling part 10 carrying the main pressing CI.PINDR 11. A pressing block 12 is fixed on the cylinder. A flask is a filling frame 8, frame 9 and the ceiling part 10, conjugated by ring-shaped gaskets 13-16, form a closed
    pressurized chamber 17. On model 4 and block 12, suction nozzles 18 are placed, which are connected by means of channels 19 made in the body of model 4 with suction chamber 20.
    Chamber 20 is connected by a channel 21 to a suction pipe 22, which can be connected alternately by means of a valve 23 to the atmosphere or by means of a filtering device 24 to a volumetric vacuum chamber 25, where the pump 26 maintains the necessary pressure. In front of or behind the filter device 24, a valve device 27 can be installed feiTb, connected by a pipe 28 to the pump 29.
    The suction nozzles 18 installed on the pressing block 12 are connected through the vacuum chamber 29 and the channels 30 passing through the pressing cylinder 11 and the connecting pipe 31 to the vacuum system. The suction nozzles 18 are made in the form of a cylinder 32 with a bottom with conical slits 33 and protrusions 34 facing side 35 to the sand mixture 7.
    The device works as follows.
    Flask 6 is installed on the model plate 3 located on the press table 2, and a filling frame 8 is placed on it,
    After that, they are filled with a mixture 7. The flask 6, the filling frame 8 and the frame 9 are joined, forming a sealed chamber 17, which is evacuated and at the same time the mixture 7 is compacted in the flask 6. Thus, the chamber during the whole sealing process
    remains under low pressure.
    The proposed device provides improved-quality forms due to the fact that a very rapid shock-like formation of vacuum in chamber 17 is achieved. Pressing
    an element can quickly condense the mass, since it is located in the chamber itself and it does not need to overcome the resistance of the air in the sand mass as it moves. By this
    a uniform compaction of the sand mixture is achieved.
    权利要求:
    Claims (2)
    [1]
    1. A device for the manufacture of sand casting molds, comprising a filling device, a chamber with a model located therein,
    having slotted nozzles associated with a vacuum source, as well as a punch located above the model, characterized in that, in order to improve the quality of the
    forms, the punch is placed in the chamber,
    connected through a pipeline with a vacuum source.
    [2]
    2. The device according to claim 1, characterized in that the pipeline
    associated with slotted nozzles formed on the underside of the punch.
    Sources of information taken into account in the examination
    1. US Patent No. 3293703, cl. 164-160, published. 1960
    I 5 jT
    one
    32
    -five
    Fig 2
    Lg /
    53 /
    Fy
    Fig 5
    类似技术:
    公开号 | 公开日 | 专利标题
    GB1253908A|1971-11-17|A method of producing green carbon electrodes and equipment for performing the method
    SU824882A3|1981-04-23|Device for making casting moulds from sand
    US3293703A|1966-12-27|Vacuum molding apparatus
    SE7906561L|1980-09-09|FORM MACHINE
    SE7908112L|1980-04-03|SET AND DEVICE FOR MANUFACTURING SAND CASTING OR LIKE
    GB1470672A|1977-04-21|Manufacture of foundry moulds and cores
    US3952793A|1976-04-27|Moulding flask for vacuum sealed moulding process
    SU831349A1|1981-05-23|Equipment for vacuum moulding
    GB1432625A|1976-04-22|Making foundry moulds
    SU980928A1|1982-12-15|Casting mould production method
    SE7907154L|1980-11-09|SET AND DEVICE FOR FORMING A BOTTLE BENEFIT
    SU722763A1|1980-03-25|Unit for moulding articles of moving materials, particularly, ceramic
    SU893531A2|1981-12-30|Apparatus for moulding concrete articles
    GB1404053A|1975-08-28|Apparatuses for automatically producing mould parts
    SU603482A1|1978-03-27|Casting mould
    FR2034928A7|1970-12-18|Separator used between mould and master - in sand casting process
    SU975176A1|1982-11-23|Equipment for vacuum moulding
    SU969427A1|1982-10-30|Box for vacuum molding
    RU2043853C1|1995-09-20|Method for pressure die-casting with crystallization and device to implement it
    SU428941A1|1974-05-25|DEVICE FOR THE MANUFACTURE OF CONCRETE PRODUCTS
    SU707678A1|1980-01-05|Apparatus for making flask-less moulds
    SU680803A1|1979-08-25|Bottom board for vacuum forming
    SU753533A2|1980-08-07|Apparatus for casting members on pressure die casting machines
    SU444655A1|1974-09-30|Installation for forming dispersed, mostly fine-grained, concrete mixes
    SU76311A1|1948-11-30|Cores to molds for the manufacture of hollow articles made of concrete and similar materials with vacuuming and pressing the mass in the form
    同族专利:
    公开号 | 公开日
    FR2333594A1|1977-07-01|
    SE7613530L|1977-06-04|
    SE436978B|1985-02-04|
    FR2333594B1|1982-03-12|
    GB1564951A|1980-04-16|
    DE2554414C2|1982-07-01|
    IT1064813B|1985-02-25|
    DE2554414A1|1977-06-08|
    JPS5268818A|1977-06-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2563643A|1948-06-09|1951-08-07|Ranek Joseph P De|Process for making cores|
    DE1097621B|1956-03-23|1961-01-19|Fritz Hansberg|Process and molding machine for the pneumatic production of foundry cores and foundry molds as well as boxes for this|
    CH379063A|1958-08-30|1964-06-30|Hansberg Fritz|Device for hardening foundry cores and foundry molds by means of gaseous reactants, in particular by means of CO2 gas|
    US3293703A|1962-11-13|1966-12-27|Arthur R Taccone|Vacuum molding apparatus|
    CA938421A|1970-03-25|1973-12-18|Alphaco|Process and system for forming foundry cores and molds|DE2842912C2|1978-10-02|1983-06-01|Alfelder Maschinen- und Modell-Fabrik Künkel, Wagner & Co KG, 3220 Alfeld|Method and apparatus for making sand molds or the like.|
    DE2844464C2|1978-10-12|1983-03-24|Bühler, Eugen, Dipl.-Ing., 8871 Burtenbach|Method and device for compacting casting molds|
    DE3322628C2|1983-06-23|1991-06-20|Kuenkel-Wagner Gmbh & Co Kg, 3220 Alfeld, De|
    DE3634767A1|1986-10-11|1988-04-21|Wagner Heinrich Sinto Masch|DEVICE FOR COMPRESSING MOLDED SAND|
    DE3920889C2|1989-06-26|1997-05-07|Kuenkel Wagner Prozesstechnolo|Molding machine|
    DE3937254A1|1989-11-09|1991-05-16|Badische Maschf Gmbh|DEVICE FOR COMPRESSING FOUNDRY MOLDING MATERIALS|
    DE4114362C2|1991-05-02|1993-04-22|Heinrich Wagner Sinto Maschinenfabrik Gmbh, 5928 Bad Laasphe, De|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19752554414|DE2554414C2|1975-12-03|1975-12-03|Method and apparatus for making sand casting molds|
    [返回顶部]