• 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:
    Apparatus is described for cold forming cylindrical metal blanks into parts having a central body and radial extensions, such as universal joint spiders and constant velocity universal joint tripod members. Die sectors of shortened axial height in their radial forming and extrusion zone are mounted for quick fastening and release, for example by dovetail connections to die carriers which are in turn mounted on rams displaceable along inclined converging slideways. Guide bushes are provided at the entrance to the through cavity corresponding to the central body and guide a cylindrical blank along the axes of coaxial punches fixed respectively to the plunger and column on the table for restraining plastic flow of blank metal towards the central cavity and then to the radial cavities.
    公开号:SU793362A3
    申请号:SU772466676
    申请日:1977-04-05
    公开日:1980-12-30
    发明作者:Орэн Мишель
    申请人:Глаензе Списе (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the field of metal forming, and in particular to devices for cold forming of parts.
    A device is known for cold forming of parts, comprising a matrix of detachable sectors mounted in holders and deforming punches, as well as guide bushings in contact with the sectors of the matrix Щ.
    A disadvantage of the known device is the difficulty of maintenance when replacing a tool.
    The aim of the invention is to improve service conditions.
    To achieve this goal, a device for cold forming of parts containing a matrix of detachable sectors installed in holders 20, and deforming punches, as well as guide bushings in contact with the sectors of the matrix, is equipped with tight-gripping guide bushings with coupling sleeves with shoulders, as well as placed on shrink sleeves with the possibility of interaction with their shoulders with elastic washers and support rings, while in the holders are made grooves with an inclined surface, I am in contact. in contact with the mating surface of the support rings, the matrix sectors are equipped with end protrusions, and recesses for them are made in the holders5.
    In FIG. 1 shows the device in its original position; in FIG. 2 the position of the elements of the device (a-before starting work, b- at the end of operation 10].
    The device contains a matrix 1, consisting of detachable sectors installed in holders 2 and 3, and deforming punches 4 and 5. For direction 5 of the movement of punches there are guide bushings 6 and 7.
    On the guide sleeves 6 and 7, the coupling sleeves 8 and 9 are respectively rigidly mounted with shoulders 10 and 11. On the coupling sleeves with the possibility of interaction with their shoulders, elastic washers 12 and 13 and support rings 14 and 15 are placed.
    - in the holders, grooves 16 and 17 are made with an inclined surface in contact with the counter surface of the support rings. The matrix sectors are equipped with end protrusions 18, and recesses 19 are made in the holders for them.
    In the initial position, the sectors of the matrix 1 are apart, and the punches 4 and 5 are divorced. A blank 20 is mounted on the punch 5. When the punch 4 is lowered, the matrix sectors are closed due to the interaction of the support rings with the inclined surfaces of the holders.
    As a result of the action of the deformation force, the workpiece material fills the cavity of the matrix. In this case, due to the preloading of the guide bushings to the matrix. Excludes the possibility of the expiration of the workpiece material in the zone of junction of the bushings with the matrix.
    When the sectors of the matrix wear out or fail, it is enough to rotate them around the vertical axis of symmetry of the device until the protrusions of the 18 sectors of the matrix come out of the recesses of the 19 holders and extend the holders.
    The proposed device has ease of maintenance.
    权利要求:
    Claims (1)
    [1]
    In the initial position, the sectors of the matrix 1 are moved apart, and the pozansoy 4 and 5 are separated. A blank 20 is placed on the punch 5. When the punch 4 is lowered, the matrix sectors are closed due to the interaction of the support rings with inclined surfaces of the holders. As a result of the deformation force, the workpiece material fills the die cavity. At the same time, pressing the guides in vat against the die eliminates the possibility of the workpiece material running out into the articulation zones of the die sleeves. 19 holders and push holders apart. The proposed device has the ease of maintenance. Claims An apparatus for cold-forming parts comprising a matrix of detachable sectors mounted in holders and deforming punches, as well as guide pins in contact with sectors of the matrix, characterized in that, in order to improve service conditions, it is fitted with guides, sleeves with detachable sleeves with shoulders, as well as placed on the stiff sleeves with the ability to engage with their shoulders with elastic washers and support rings, while in the holders there are grooves with an aclone surface in contact with the counter surface of the support rings, the matrix sectors are provided with end tabs, and notches are made in the holders. Sources of information taken into account in the examination 1. US patent number 3188849, cl. 72-346, published. 12.09,61.
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    类似技术:
    公开号 | 公开日 | 专利标题
    SU793362A3|1980-12-30|Device for cold moulding of parts
    US4648727A|1987-03-10|Antifriction bearing assembly for a die set or the like
    KR960003845A|1996-02-23|Outer ring forging device for constant velocity joint and forging method
    US4558619A|1985-12-17|Apparatus for cutting discs from a sheet of flexible material
    JPH0263631A|1990-03-02|Manufacture of valve sleeve
    GB2203082A|1988-10-12|Apparatus for forming a domed bottom in a can body
    EP0158883A2|1985-10-23|Outerrace of universal joint with cross grooves
    KR890001515B1|1989-05-06|Ball bearing assembly
    KR100266135B1|2000-09-15|An apparatus for manufacturing gears for use in automobile transmission system by forging
    SU1382575A1|1988-03-23|Die for extruding parts of box shape
    RU1780902C|1992-12-15|Hollow billet forming die
    SU1263405A1|1986-10-15|Arrangement for stamping parts of flanged sleeve type
    SU1199646A1|1985-12-23|Casting mould for manufacturing undercut polymeric articles
    SU1503941A1|1989-08-30|Die for punching holes in hollow article walls
    SU1212843A1|1986-02-23|Device for stamping components with side cavities
    SU1053928A2|1983-11-15|Die for making disperse vessels
    SU1238833A2|1986-06-23|Die for extending hollow parts
    SU1212675A2|1986-02-23|Apparatus for inverse extruding of hollow flanged articles
    SU1542692A1|1990-02-15|Die for extruding articles of sleeve type
    SU1053929A1|1983-11-15|Die for double-run drawing
    SU1053964A1|1983-11-15|Apparatus for moulding bushes from powder
    SU919852A1|1982-04-15|Apparatus for disassembling part interference-fit connections
    SU889225A1|1981-12-15|Die for producing parts from hollow works
    SU1074645A2|1984-02-23|Die for hot deformation of parts
    SU969498A1|1982-10-30|Apparatus for pressing-out parts such as shaft and sleeve
    同族专利:
    公开号 | 公开日
    TR19600A|1979-09-01|
    JPS6051928B2|1985-11-16|
    JPS52145355A|1977-12-03|
    US4078414A|1978-03-14|
    SE7703993L|1977-10-07|
    CA1062089A|1979-09-11|
    MX4262E|1982-03-08|
    BR7702157A|1978-01-17|
    FR2347126A2|1977-11-04|
    IT1086795B|1985-05-31|
    GB1559141A|1980-01-16|
    BE852713A|1977-09-21|
    FR2347126B2|1978-09-01|
    AR211961A1|1978-04-14|
    NL7703662A|1977-10-10|
    RO70807A|1981-06-26|
    CH603272A5|1978-08-15|
    ES457395A1|1978-02-16|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1946117A|1929-11-18|1934-02-06|Charles H Bickell|Method of and apparatus for extruding valves and multiflanged pipe fittings|
    US2663205A|1949-05-06|1953-12-22|Cameron Iron Works Inc|Forging process and apparatus|
    US2744426A|1949-12-28|1956-05-08|Lyon George Albert|Apparatus for coining metal parts|
    US3583198A|1969-06-05|1971-06-08|Ford Motor Co|Lateral extrusion process|
    JPS506749B2|1971-10-06|1975-03-17|US4399682A|1981-04-24|1983-08-23|The Gleason Works|Method for cold forming metal articles having diverging members|
    FR2529113B1|1982-06-24|1985-08-23|Mo Otdely Sp|DEVICE FOR THE BILATERAL DELIVERY OF RODS|
    JPH0124583B2|1983-04-28|1989-05-12|Oiles Industry Co Ltd|
    FR2708880B1|1993-08-13|1995-11-03|Orain Michel|Device for guiding the extraction of the balls during the machining of grooves with circular generator and curved director.|
    AU3004399A|1998-04-14|1999-11-01|Southco, Inc.|Captive screw|
    US5851095C1|1998-04-14|2001-10-16|Southco|Captive screw|
    US5910052A|1998-04-14|1999-06-08|Southco, Inc.|Process for manufacturing a captive screw|
    CN1262769C|2000-12-16|2006-07-05|索斯科公司|Captive screw|
    JP4869968B2|2007-02-02|2012-02-08|Ｎｔｎ株式会社|Closed forging die and forging method|
    ES2624136T3|2012-04-03|2017-07-13|Thyssenkrupp Presta Aktiengesellschaft|Procedure for manufacturing an extruded stump|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7609999A|FR2347126B2|1976-04-06|1976-04-06|
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