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    • 1. 发明授权
    • Apparatus for replacing tool sets of powder molding press
    • 用于更换粉末成型工具的设备
    • US5219319A
    • 1993-06-15
    • US806338
    • 1991-12-13
    • Takeshi KatagiriMasao YamamotoShiro Shirasaki
    • Takeshi KatagiriMasao YamamotoShiro Shirasaki
    • B30B11/00B29C31/00B30B15/02
    • B29C31/006B30B15/028B29L2031/16Y10T483/1729
    • An apparatus for replacing the tool sets without requiring any fixing or removal of the fluid pressure pipes such as hydraulic hoses or the like when the tool sets are fixed to or removed from the main body of the power molding press. Swing arms 6 having arm lengths set therein are oscillatably and rotatably fitted to the arm shafts 5 vertically installed at proper side locations of the main body 1 of the press in such a way as the rotating radius of the arm shafts may overlap the mounting position of the main body 1 of the press. The extreme ends of the swing arms 6 are provided with supporting boxes 7 on which the tool sets 3 are mounted. Rotation of the swing arms 6 enables the tool sets 3 to be moved toward or away from the centeral part of the main body 1 of the press and then the tool sets 3 to be fixed to or removed from the main body 1 of the press. The fluid pressure pipe passages for driving the tool sets 3 are connected in advance to the operating fluid pressure source at the main body 1 of the press near the aforesaid arm shafts 5 through the joint means following the rotation of the aforesaid swing arms 6.
    • 一种用于更换工具组的装置,而不需要固定或移除诸如液压软管等的流体压力管,当工具组固定到动力成形机的主体或从动力成形机的主体移除时。 具有设置在其中的臂长度的摆臂6可摆动地和可旋转地装配到垂直安装在压力机主体1的适当侧面位置处的臂轴5上,使得臂轴的旋转半径可以与臂的轴的安装位置重叠 主体1的新闻。 摆臂6的前端设置有安装有工具组3的支撑箱7。 摆臂6的旋转使得工具组3能够朝向或远离压机的主体1的中心部分移动,然后将工具组3固定到压机的主体1或从其移除。 用于驱动工具组3的流体压力管道通过上述摆臂6的旋转,通过接合装置预先连接到靠近上述臂轴5的压力机主体1处的工作流体压力源。
    • 2. 发明授权
    • Press for powder metallurgy
    • 压力粉末冶金
    • US5401153A
    • 1995-03-28
    • US155866
    • 1993-11-23
    • Takeshi KatagiriShiro ShirasakiMasao Yamamoto
    • Takeshi KatagiriShiro ShirasakiMasao Yamamoto
    • B30B11/02B30B15/02
    • B30B11/02B30B15/026
    • The invention provides a press for powder metallurgy in which a die set installed between an upper ram and a lower ram of a main body of the press can be easily fixed or removed and the accuracy of the molded product is improved. An upper part of the lower ram to which a yoke plate of the die set is installed or is provided with a gap adjusting screw displaceable with thread engagement in vertical direction. A hydraulic actuator or other rotary driving device is fixed to a lower part of the lower ram. A driving shaft of the rotary driving device is connected to the gap adjusting screw by a connecting shaft which passes through an axial center of the lower ram. When the die set is installed in the main body of the press, the gap adjusting screw is retracted within the lower ram so as to assure a sufficient gap between the yoke plate and the lower ram. When insertion of the die set is completed, the gap adjusting screw is advanced forwardly to abut against the yoke plate and thus they can be assembled with a gap having no clearance approximating to zero.
    • 本发明提供了一种用于粉末冶金的压力机,其中安装在压头主体的上压头和下压头之间的模具组可以容易地固定或移除,并且模制产品的精度得到改善。 模具的轭板的下部冲头的上部被安装,或者设置有可在垂直方向上与螺纹啮合的间隙调节螺钉。 液压致动器或其他旋转驱动装置固定在下冲头的下部。 旋转驱动装置的驱动轴通过穿过下冲杆的轴心的连接轴连接到间隙调节螺钉。 当模具组安装在压机的主体中时,间隙调节螺钉在下压头内缩回,以确保轭板与下压头之间的足够的间隙。 当模具插入完成时,间隙调节螺钉向前推进以抵靠轭板,因此它们可以组装成没有接近零的间隙。
    • 3. 发明授权
    • Powder molding press
    • 粉末成型机
    • US5498147A
    • 1996-03-12
    • US267651
    • 1994-06-29
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Shirasaki
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Shirasaki
    • B22F3/02B22F3/03B22F3/035B30B11/02
    • B30B11/02B22F3/03B22F2003/033
    • A powder molding press a die plate provided with a die having a die hole, a punch device to be inserted into the die hole and a hydraulic cylinder device attached to the punch device for driving the same, the hydraulic cylinder device being arranged coaxially with the punch device. A movable punch plate may be disposed on one side of the die plate in parallel thereto with a predetermined space and a punch adapter for securing the punch device to the punch plate may be also disposed. The punch device includes a plurality of punches disposed axially in series. In this connection, a plurality of punch plates, hydraulic cylinder assemblies and punch adapters are arranged in a manner that succeeding cylindrical punches disposed axially in series are secured to corresponding punch plates through corresponding punch adapters each being inserted into a directly preceding punch adapter to be axially movable and that succeeding hydraulic cylinder assemblies for actuating corresponding punch plates are disposed axially in series each between a corresponding punch plate and a directly succeeding punch plate and arranged coaxially with corresponding punch adapters so that the succeeding punch adapter is axially movable along an inner peripheral surface of the through hole of a directly preceding hydraulic cylinder assembly.
    • 粉末成形机将具有模孔的模具,插入模孔的冲头装置的模板和安装在冲头装置上的液压缸装置进行驱动,液压缸装置与 冲压装置 可移动的冲压板可以以预定的空间平行地设置在模板的一侧上,并且还可以设置用于将冲压装置固定到冲压板的冲头适配器。 冲压装置包括多个沿轴向串联设置的冲头。 在这方面,多个冲压板,液压缸组件和冲头适配器布置成使得串联布置的随后的圆柱形冲头通过相应的冲头适配器固定到相应的冲压板上,每个冲头适配器被插入到直接在前的冲头适配器中以成为 用于致动对应的冲压板的后续液压缸组件轴向地布置在相应的冲压板和直接连续的冲压板之间并且与相应的冲头适配器同轴布置,使得后续的冲头适配器沿着内周边 直接在前面的液压缸组件的通孔的表面。
    • 4. 发明授权
    • Method and apparatus for controlling powder molding press
    • 控制粉末成型机的方法和装置
    • US5288440A
    • 1994-02-22
    • US830661
    • 1992-02-04
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Sirasaki
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Sirasaki
    • B22F3/02B22F3/03B22F3/035B30B11/00B30B11/02B29C43/02
    • B30B11/005
    • A power molding press is controlled, in which a stepped mold product having a plurality of stepped portions is molded by compressing powder within a mold by relatively moving an upper punch assembly, a lower punch assembly including a plurality of lower punches arranged concentrically with each other and the mold by detecting a speed ratio of moving speeds of the upper and lower punch assemblies moved by the respective driving sources at a time of compressing the respective stepped portions of the mold product during a compressing time from a pressing start time to a pressing completion time, detecting positions of the upper and lower punch assemblies and the mold, detecting a compression ratio of compressed dimensions of the stepped portions of the mold product, and controlling the respective drive sources to control the relative moving speeds of the upper punch assembly, the lower punch assembly and the mold so that the speed ratios substantially accord with the compression ratios of the respective stepped portion of the mold product.
    • 控制动力成型压力机,其中通过相对移动上冲头组件而将模具中的粉末压制成具有多个阶梯部分的阶梯模具产品,下冲头组件包括彼此同心设置的多个下冲头 通过检测在从按压开始时间到按压完成的压缩时间期间压缩模具产品的各个阶梯部分时由相应的驱动源移动的上冲头组件和下冲头组件的移动速度的速度比 时间,检测上下冲头组件和模具的位置,检测模具产品的阶梯部分的压缩尺寸的压缩比,并且控制相应的驱动源以控制上冲头组件的相对移动速度, 下冲头组件和模具,使得速比基本上符合压缩比 模具产品的相应台阶部分。
    • 5. 发明授权
    • Powder molding press
    • 粉末成型机
    • US5326242A
    • 1994-07-05
    • US744182
    • 1991-08-09
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Shirasaki
    • Takeshi KatagiriMasao YamamotoTukasa TajimaSiro Shirasaki
    • B22F3/02B22F3/03B22F3/035B30B11/02
    • B30B11/02B22F3/03B22F2003/033
    • A powder molding press includes a die plate provided with a die having a die hole, a punch device to be inserted into the die hole and a hydraulic cylinder device attached to the punch device for driving the same, the hydraulic cylinder device being arranged coaxially with the punch device. A movable punch plate may be disposed on one side of the die plate in parallel thereto with a predetermined space and a punch adapter for securing the punch device to the punch plate may be also disposed. The punch device includes a plurality of punches disposed axially in series. In this connection, a plurality of punch plates, hydraulic cylinder assemblies and punch adapters are arranged in a manner that succeeding cylindrical punches disposed axially in series are secured to corresponding punch plates through corresponding punch adapters each being inserted into a directly preceding punch adapter to be axially movable and that succeeding hydraulic cylinder assemblies for actuating corresponding punch plates are disposed axially in series each between a corresponding punch plate and a directly succeeding punch plate and arranged coaxially with corresponding punch adapters so that the succeeding punch adapter is axially movable along an inner peripheral surface of the through hole of a directly preceding hydraulic cylinder assembly.
    • 一种粉末成型机,其特征在于,具备设置有具有模孔的模具的模板,插入模孔的冲头装置以及安装在该冲头装置上的驱动液压缸装置,液压缸装置与 冲压装置。 可移动的冲压板可以以预定的空间平行地设置在模板的一侧上,并且还可以设置用于将冲压装置固定到冲压板的冲头适配器。 冲压装置包括多个沿轴向串联设置的冲头。 在这方面,多个冲压板,液压缸组件和冲头适配器布置成使得串联布置的随后的圆柱形冲头通过相应的冲头适配器固定到相应的冲压板上,每个冲头适配器被插入到直接在前的冲头适配器中以成为 用于致动对应的冲压板的后续液压缸组件轴向地布置在相应的冲压板和直接连续的冲压板之间并且与相应的冲头适配器同轴布置,使得后续的冲头适配器沿着内周边 直接在前面的液压缸组件的通孔的表面。