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公开(公告)号：US4484464A
公开(公告)日：1984-11-27
申请号：US322403
申请日：1981-11-18
申请人： Tetsuo Nihei , Toshio Maki , Kazuyoshi Sakuma
发明人： Tetsuo Nihei , Toshio Maki , Kazuyoshi Sakuma
摘要： An electrical upsetting method for upsetting a cylindrical metal material, which is durable against wear and tear due to high temperature as well as vigorous friction under heavy pressure during the upsetting work, wherein a space gap is provided between the outer peripheral surface of the workpiece and the inner peripheral surface of the shaping die to prevent the die from direct heat from the workpiece generated by electric conduction across the electrodes, or wherein a space gap is provided between the outer peripheral surface of the anvil electrode and the inner peripheral surface of the shaping die, and an inert gas is filled in the space gap to protect the die from oxidation due to its exposure to the external atmosphere, or air, as well as to maintain the die in a cooled condition by the inert gas.The present invention also proposes an improved electrical upsetting device provided with the inert gas feeding device which supplies such inert gas through the communicating grooves into the space gap defined between the anvil electrode and the shaping die to prevent the die from wear and tear due to its oxidation through exposure to the external atmosphere, thereby securing long service life of the shaping die.
摘要翻译： 一种用于镦锻圆柱形金属材料的电镦锻方法，其在镦锻工作期间由于高温以及在重压下的剧烈摩擦而耐磨损和耐磨，其中在工件的外周表面和 成形模具的内周面，以防止模具通过电极间的导电产生的来自工件的直接热量，或者在砧座电极的外周面与成形用的内周面之间设置有间隙 并且惰性气体填充在间隙中以保护模具由于其暴露于外部大气或空气而被氧化，并且通过惰性气体将模具保持在冷却状态。 本发明还提出一种改进的电气镦锻装置，其具有惰性气体供给装置，其通过连通槽将这种惰性气体提供到限定在砧座电极和成型模具之间的空间间隙中，以防止模具由于其而引起磨损 通过暴露于外部气氛进行氧化，从而确保成型模具的长使用寿命。
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公开(公告)号：US4505144A
公开(公告)日：1985-03-19
申请号：US467505
申请日：1983-02-18
申请人： Kazuyoshi Sakuma , Tetsuo Nihei , Toshio Maki
发明人： Kazuyoshi Sakuma , Tetsuo Nihei , Toshio Maki
摘要： An apparatus for working both ends of a workpiece at a time. The workpiece, typically in the form of a bar or a tube, is successively shaped by pre-shaping die means, shaping die means and finish-shaping die means, each of which comprises a pair of dies for simultaneously working both ends of the workpiece to a predetermined configuration. The dies in each pair are movable toward and away from the both ends of the workpiece, respectively, in accordance with the operation of a pair of hydraulic devices. A pair of knockout rods respectively slidably received in cylinders of the hydraulic devices cooperate to support the workpiece while the latter is progressively shaped. One of the knockout rods is fixed to one of the dies while the other knockout rod is held afloat relative to the other die by a hydraulic device, so that the workpiece is allowed to stretch to a full available length only at one end thereof on the afloat knockout rod side.
摘要翻译： 一次工件两端的装置。 典型地为棒或管的形式的工件通过预成型模具装置，成型模具装置和精加工成型模具装置连续成型，每个模具包括一对模具，用于同时工作工件的两端 到预定的配置。 根据一对液压装置的操作，每对中的模具分别可移动和分离工件的两端。 分别可滑动地容纳在液压装置的气缸中的一对脱模杆配合以支撑工件，而后者是逐渐变形的。 其中一个脱模棒固定在其中一个模具上，而另一个脱模杆通过液压装置相对于另一个模具保持浮动，从而允许工件仅在其一端伸展至完全可用长度 漂浮的脱模杆侧。
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公开(公告)号：US4688978A
公开(公告)日：1987-08-25
申请号：US727405
申请日：1985-04-25
申请人： Kuniaki Ohkuma , Kazuyoshi Sakuma , Hisao Miyao , Shinichi Yoshimura , Hideharu Koizumi , Yoshitake Miwa
发明人： Kuniaki Ohkuma , Kazuyoshi Sakuma , Hisao Miyao , Shinichi Yoshimura , Hideharu Koizumi , Yoshitake Miwa
CPC分类号： B65G47/8838 , B23P19/004 , B23Q7/08 , B65G2205/04
摘要： A component distribution device comprises a base structure disposed within an effective working region of component supply points, and a pallet engageable with and disengageable from the base structure, the pallet having a distribution plate adapted to hold the components as fed from a component source and force same to move to the component supply points.
摘要翻译： 部件分配装置包括设置在部件供给点的有效工作区域内的基部结构以及可与基部结构接合并脱离的托盘，所述托盘具有分配板，该分配板适于将部件保持为从部件源供给并且受力 同样移动到组件供应点。
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