• 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:
    1504890 Extrusion UNITED KINGDOM ATOMIC ENERGY AUTHORITY 13 Aug 1976 [12 Sept 1975] 37673/75 Heading B3P [Also in Division B5] A process for the continuous and repetitive production of discrete articles of a desired cross-section from a deformable material comprises, introducing the material F into a moving passageway 5, causing the material to be drawn along the passageway by frictional drag and, by blocking the passageway at a position spaced from the introduction of the material, compressing the material and causing it to enter successively presented chambers 9 sloped to produce articles of the desired configuration. The passageway 5 is formed by a groove 2 in the periphery of a driven wheel 1 and a stationary shoe member 3 having an insert 4 projecting into the groove. An abutment 6 blocks the passageway and in co-operation with the insert 4, which projects by an increasing amount into the groove 2, it forces the material into each chamber 9. An abutment 7 scrapes flash 29 off the floor of the groove 2 and rams 12 eject the finished articles. The material may be in the form of a rod of aluminium or powder or granules capable of being compacted, e.g. metal powder, ceramics and thermoplastics. To reduce friction between the material and the insert 4 a thin strip of solid lubricant, e.g. P.T.F.E., is introduced at the lead in 13 to the groove 2, the strip being removed with the flash 29 by the abutment 7. Short tubular articles are produced by placing mandrels (20), Fig. 2 (not shown), in chambers (9<SP>1</SP>) having no die part, the mandrels being secured to or forming part of the rams (12). To produce articles requiring more material than normal a supplementary rod of material is fed in with the rod of material F. The stationary shoe member 3 and insert 4 may be in the form of a wheel (21), Fig. 4 (not shown), co-operating with a wheel (1) and the groove may be located in either wheel, the close coincidence of the wheel peripheries eliminating the need for an abutment 6. The wheel with the dies may be indexed rather than rotated continuously to allow additional forming operation on the articles in the chambers (9). In a further embodiment, the chambers 9 in the wheel 1 are disposed for sideways extrusion and right angles to the passageway 5.
    公开号:SU733507A3
    申请号:SU762398645
    申请日:1976-09-10
    公开日:1980-05-05
    发明作者:Грин Дерек
    申请人:Юнайтед Кингдом Атомик Энерджи Ауторити (Фирма)；
    IPC主号:
    专利说明:

    in FIG. 2, the same, with a shaped cavity; FIG. 3 shows an embodiment of a method for continuous hydro-extrusion of a bimetal; figure 4 is a variant of the device with a rotated profile insert; FIG. 3 shows a variant of the device with metal extrusion into the molding chambers adjacent to the side walls; working groove.
    The device contains a rotating roller 1 with a working groove 2 for gripping the extruded material 3, a profile insert 4 with an emphasis 5 for separating the molded articles b from the material 7, located in the converging channel 8, successively located in the rotating roller 1 forming chambers 9 placed in ejectors 10 for removing finished products 6. In addition, the profile insert 4 is provided with a scraper 11 for cleaning the working chamber 2 from burrs 12.
    The profile insert 4 can be made in the form of an additional rotary bed (figure 4) with the forming chambers 9 with ejectors 10 sequentially arranged in it, and the roll 1. with the working groove 2 solid (figure 4),
    The molding chambers 9 may abut against the side wall 13 of the working groove 2 (FIG. 3).
    The device works as follows.
    The material 3 of the workpiece is forced by a trench created by the rotation of the roll 1, is introduced into the constriction} of the common channel 8 formed by the working groove 2 and the profile insert 4, and is compressed in the channel 8 by closing the abutment 5. molding chambers 9 located in the roll, where it takes the form of finished products. As the roller 1 continues to rotate, the finished products are separated from the material 7 located in the channel 8, and the pushers 10 are removed from the molding chambers 9 into the receiving device (not shown). The burr 12 formed during the molding of finished products is removed from the working groove by the scraper 11 as it passes under the chambers 9,
    The device can work by a similar method for a task into a narrowing channel 8 of two or more blanks (figure 3).
    The invention of the invention allows for high-performance extrusion of individual shaped parts with shaped ends, for example, rivets, from
    bar stock unlimited length.
    权利要求:
    Claims (5)
    [1]
    1. A method of continuous extrusion of finished products, which consists in compressing the material with a friction force, characterized in that, in order to obtain piece goods with shaped ends, the compressed material is squeezed into the forming chambers sequentially, the molded products are separated from the base material and These articles are removed from the molding chambers.
    [2]
    2. A device for carrying out the method according to Claim 1, comprising a rotatable roller with a working groove for gripping the material being extruded, a profile insert forming together
    with a working groove, a narrowing channel for deforming the metal, which is due to the fact that it is provided with successively arranged forming chambers in the rotating roll for extruding finished products, ejector pushers to remove finished products, and the narrowing channel is made with an end stop to separate the molded articles from the material contained therein.
    [3]
    3. A device according to claim 2, characterized in that the profile insert is provided with a scraper for cleaning the working groove of burrs.
    [4]
    4. A device according to claim 2, wherein the profile insert is made in the form of an additional rotating roll with sequentially disposed in it molding chambers with ejectors,
    and the roll with the working groove is made solid.
    [5]
    5. The device according to claim 2, characterized in that; that the molding chambers are made with an entrance from the side wall of the working groove.
    Sources of information taken into account in the examination
    1.Patent of France No. 2270021, c. B 21 C 23/02, published 1976.
    2. US Patent W 3765-216, published 1974.
    3.Patent UK 1370894, published.1974.
    4.Patent of France No. 21-28843, published 1975.
    rs
    类似技术:
    公开号 | 公开日 | 专利标题
    SU733507A3|1980-05-05|Method and apparatus for continuously extruding finished products
    US3188849A|1965-06-15|Method and apparatus for multiple upsetting
    US5022252A|1991-06-11|Extruding apparatus for extruding stepped products
    GB1121599A|1968-07-31|Indirect extrusion method for the manufacture of metal tubes or similar hollow bodies, and extrusion press for carrying out the method
    US3150773A|1964-09-29|Material forming process and apparatus
    US2968821A|1961-01-24|Apparatus and method for forming locknuts having a washer molded in the nut body
    HU222308B1|2003-06-28|Method and extrusion unit for extrusion of bored metal products especially of cartridge cases
    SU1421269A3|1988-08-30|Method of making a commutator ring for commutator
    US4953382A|1990-09-04|Extrusion of strip material
    US3158262A|1964-11-24|Metal extrusion
    US4080816A|1978-03-28|Process and device for manufacturing extruded sections and similar items which are made in particular out of light weight metal
    US3079682A|1963-03-05|Method of manufacture of annular metal articles
    US2792623A|1957-05-21|Method and apparatus for forming metal blanks
    US2934206A|1960-04-26|Apparatus for die expressing plastic materials
    SU1215864A1|1986-03-07|Injection mould for pressing articles of powders
    KR920000235B1|1992-01-10|Press
    SU878405A1|1981-11-07|Direct-extrusion die
    SU1523208A1|1989-11-23|Tool for extruding articles of variable section
    RU4255U1|1997-06-16|TILE FORMING INSTALLATION
    SU810325A1|1981-03-07|Apparatus for pressing ring-type articles
    SU595032A1|1978-02-28|Method of operating a work-extruding tool
    SU657885A1|1979-04-25|Tool for multipassage extrusion of hollow profiles
    RU2062675C1|1996-06-27|Die set for extruding tubes
    SU599985A1|1978-03-30|Machinery unit for making tube-like articles of sophisticated shape from thermoplastic materials
    US3158263A|1964-11-24|Extrusion press
    同族专利:
    公开号 | 公开日
    NO763064L|1977-03-15|
    AU1731876A|1978-03-09|
    SE7609969L|1977-03-13|
    GB1504890A|1978-03-22|
    IT1071355B|1985-04-02|
    FR2323505B1|1980-12-05|
    ZA764906B|1977-07-27|
    JPS5236557A|1977-03-19|
    JPS5949090B2|1984-11-30|
    BE846102A|1977-03-10|
    FR2323505A1|1977-04-08|
    AU501425B2|1979-06-21|
    NO147544B|1983-01-24|
    DE2640809A1|1977-03-24|
    US4065950A|1978-01-03|
    NO147544C|1983-05-04|
    CA1076314A|1980-04-29|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US409747A|1889-08-27|Metal-rolls |
    US958010A|1902-04-30|1910-05-17|American Typographic Corp|Rolling mechanism.|
    FR989610A|1949-04-08|1951-09-11|Drum press for shaping strips taken out of a moldable mass, especially a sugar mass|
    NL86722C|1951-12-28|1900-01-01|
    DE1175192B|1959-11-26|1964-08-06|Joachim Pfeiffer Dipl Ing|Method and device for ironing strangfoermigem good, z. B. Band|
    GB1184473A|1966-02-14|1970-03-18|Rotary Profile Anstalt|Profiling of Workpieces|
    SE342998B|1966-05-05|1972-02-28|Rotary Profile Anstalt|
    GB1370894A|1971-03-12|1974-10-16|Atomic Energy Authority Uk|Extrusion|GB1566152A|1977-03-16|1980-04-30|Atomic Energy Authority Uk|Forming of materials by extrusion|
    IN155321B|1980-02-19|1985-01-19|British Insulated Callenders|
    GB2134428B|1983-02-03|1987-06-17|Metal Box Plc|Continuous extrusion of metals|
    US4870851A|1988-12-23|1989-10-03|Yazaki Corporation|Apparatus for producing stranded cable|
    US5383347A|1993-05-21|1995-01-24|Riviere; Alfredo V.|Continuous extrusion of complex articles|
    US5598731A|1993-05-21|1997-02-04|Riviere, V.; Alfredo|Continuous extrusion of complex articles|
    US5740688A|1995-10-05|1998-04-21|Sural Tech|Pressure-assisted formation of shaped articles|
    US7807247B1|1999-10-29|2010-10-05|Bromley Robert L|Flexlock with headed pintle and conical buttressing|
    AU781515B2|1999-10-29|2005-05-26|Samsonite Ip Holdings S.A.R.L.|Direct forming of non-textile fabric elements from thermoplastic pellets or the like|
    GB2364946A|2001-01-19|2002-02-13|Dana Corp|Aluminium alloys and method for the production thereof|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB37673/75A|GB1504890A|1976-08-13|1976-08-13|Formation of articles|
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