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    Die-changing mechanism for an extrusion press
    7.
    发明授权
    Die-changing mechanism for an extrusion press 失效
    用于挤压机的换向机构

    公开(公告)号：US3599467A

    公开(公告)日：1971-08-17

    申请号：US3599467D

    申请日：1968-09-24

    申请人： FARREL CORP

    发明人： VALKS ROBERT K

    IPC分类号： B21C23/21 ,  B21C23/00

    CPC分类号： B21C23/212 ,  B21C23/214

    摘要： The die is held in axial alignment with the billet container during extrusion by a reciprocable die slide and a cooperating locking member. The die slide has a U-shaped pocket in one end for releasably holding the die carrier and its supporting bolster. The locking member is adapted to engage in a peripheral groove in the die carrier. To change a die, the locking member is disengaged and the die slide is moved laterally to a position where a pivotable receptacle can engage the carrier. The receptacle is then pivoted to lift the carrier out of the pocket in the slide, and swing it to a position where the carrier and die can readily be lifted out of the receptacle. For greater convenience two receptacles may be provided that are movable axially along their common pivotal axis so that a new die can be loaded in one receptacle while the previously used die is being removed from the other receptacle.