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    • 3. 发明专利
    • Powder molding device and powder molding method using the same
    • 粉末成型装置和使用其的粉末成型方法
    • JP2011177739A
    • 2011-09-15
    • JP2010043433
    • 2010-02-26
    • Hitachi Powdered Metals Co Ltd日立粉末冶金株式会社
    • MASUDA TADAO
    • B30B11/02B30B11/00B30B11/04
    • PROBLEM TO BE SOLVED: To provide a powder molding device in which variation in the feed of raw material powder into a cavity is suppressed, and the raw material powder can be stably filled into the cavity, and to provide a powder molding method using the same.
      SOLUTION: In the withdrawal type powder molding device, a driving means 33 performing ascending/descending to a pressurizing axis direction is provided between a base plate 31 and a bolster 30, thus a lower fixed punch 32 is made ascendable/descendable, further the descending of the lower fixed punch by the driving means is made to stop by abutting the base plate against the bolster, raw material powder is filled into a cavity in a state where the lower fixed punch is ascended by the driving means, thereafter, the lower fixed punch is descended by the driving means, further it is linked with the descending of the lower fixed punch to descend a die 20, the base plate is abutted against the bolster to stop the descending of the lower punch, further, an operation of stopping the descending of the die linked with the stop of the lower punch is performed, and the filling of the raw material powder into the powder cavity is completed.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种粉末成型装置,其中抑制原料粉末进料到空腔中的变化,并且可以将原料粉末稳定地填充到空腔中,并提供粉末成型方法 使用相同 解决方案:在取出型粉末成型装置中,在基板31和垫圈30之间设置有执行上升/下降至加压轴方向的驱动装置33,从而使下固定冲头32上升/下降, 通过驱动装置进一步下降固定冲头的下降通过使基板抵靠摇枕而停止,原料粉末在下固定冲头由驱动装置上升的状态下填充到空腔中,此后, 下固定冲头由驱动装置下降,并且还与下固定冲头的下降相连,使模具20下降,基板抵靠摇枕,停止下冲头的下降,此外,操作 执行停止与下冲头停止连接的模具的下降,并且完成原料粉末填充到粉末腔中。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Powder molding device
    • 粉末成型设备
    • JP2006187793A
    • 2006-07-20
    • JP2005002453
    • 2005-01-07
    • Hitachi Powdered Metals Co Ltd日立粉末冶金株式会社
    • MASUDA TADAO
    • B30B11/04
    • PROBLEM TO BE SOLVED: To provide a powder molding device capable of molding a green compact having excellent height accuracy.
      SOLUTION: In the powder molding device, a plurality of stays 9 to restrict a space between an upper punch supporting plate 4 and a lower punch supporting plate 2 when completing powder compression are provided between the upper punch supporting plate 4 and the lower punch supporting plate 2 through a die plate 1. In this case, one end of the stay 9 is fixed to the upper punch supporting plate or the lower punch supporting plate, and a position adjustment means 91 capable of changing the distance to restrict the upper punch supporting plate and the lower punch supporting plate is preferably provided on the stay or a part opposing the other end of the stay.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够模制具有优异的高度精度的生坯的粉末成型装置。 解决方案:在粉末成型装置中,在上冲头支撑板4和下冲头支撑板4之间设置有多个用于在完成粉末压缩时限制上冲头支撑板4和下冲头支撑板2之间的空间的撑杆9 冲压支撑板2通过模板1.在这种情况下,支柱9的一端固定到上冲头支撑板或下冲头支撑板,以及位置调节装置91,能够改变距离以限制上冲头 冲头支撑板和下冲头支撑板优选地设置在停留件或与停留件的另一端相对的部分上。 版权所有(C)2006,JPO&NCIPI