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    • 1. 发明专利
    • Gear fastening structure
    • 齿轮紧固结构
    • JP2014092201A
    • 2014-05-19
    • JP2012241837
    • 2012-11-01
    • Toyota Motor Corpトヨタ自動車株式会社
    • TANIGUCHI MAKOTOKIMURA HIROMICHIUKAI MOTOHIKOISHIHARA HIROAKI
    • F16H48/40F16D1/072F16H48/08
    • PROBLEM TO BE SOLVED: To provide a gear fastening structure capable of suppressing the deformation of the teeth of a ring gear even when the ring gear is fastened to a differential case after the ring gear is pressed into the differential case.SOLUTION: The gear fastening structure includes a differential case 13 having a flange 44, and a ring gear 12, the ring gear 12 pressed into the flange 44 being fastened to the flange 44. The flange 44 has a side face supporting part 51 for supporting a first side face part 34 of the ring gear 12, and a caulking and fixing part 52 for caulking and fixing a second side face part 35 of the ring gear 12. The caulking and fixing part 52 has an annular protrusion 61 for caulking and fixing the second side face part 35 through thrust deformation, and the second side face part 35 has a groove 38 formed between a tooth portion 33 of the ring gear 12 and the caulking and fixing part 52 annularly around a rotation axis while being recessed in the direction of the rotation axis.
    • 要解决的问题:提供一种能够抑制齿圈齿的变形的齿轮紧固结构,即使当齿圈被压入差速器壳体之后,当齿圈被固定到差速器壳体上时。齿轮紧固 结构包括具有凸缘44的差速器壳体13和环形齿轮12,被压入凸缘44的环形齿轮12被紧固到凸缘44.凸缘44具有侧面支撑部分51,用于支撑第一侧面部分 34,以及用于铆接和固定环形齿轮12的第二侧面部35的铆接和固定部52.铆接固定部52具有用于铆接和固定第二侧面部的环形突起61 35,并且第二侧面部35具有形成在环形齿轮12的齿部33和围绕旋转轴线环绕的铆接固定部52之间的凹槽38,同时沿着方向 的旋转轴。
    • 2. 发明专利
    • 中空押出成形装置及び中空押出成形方法
    • 中空挤出成型设备和中空挤压成型方法
    • JP2014205187A
    • 2014-10-30
    • JP2013085700
    • 2013-04-16
    • トヨタ自動車株式会社Toyota Motor Corp
    • UKAI MOTOHIKOISHIHARA HIROAKI
    • B21C25/04B21C23/08
    • 【課題】スリーブパンチに作用させる荷重を小さくするとともに、製品形状の自由度を高くすることができる中空押出成形装置及び中空押出成形方法を提供する。【解決手段】ワークWの中空部Woに挿入されるマンドレルパンチ30と、ワークWが挿入される成形部を有し、前記成形部の途中部にテーパー部13が形成されるダイ10と、前記成形部に挿入されたワークWを押圧するスリーブパンチ20とを備え、中空部Woにマンドレルパンチ30が挿入されたワークWをダイ10の成形部に挿入し、ダイ10に挿入されたワークWをスリーブパンチ20により押圧することによって、ワークWの成形加工を行う中空押出成形装置100であって、マンドレルパンチ30の中途部には、テーパー部33が形成され、マンドレルパンチ30は、成形加工前のワークWに挿入した際に、ワークWの内周面との間に隙間が生じる太さに形成されている。【選択図】図1
    • 要解决的问题:提供一种能够减小作用在套筒冲头上的负载的中空挤出成型装置和中空挤出成型方法,并且可以增加产品形状的自由度。解决方案:中空挤出成型装置100包括 :插入工件W的中空部Wo的心轴冲头30; 模具10,其具有用于插入工件W的成型部和形成在成型部的中间部的锥形部13; 以及用于按压插入到模制部件中的工件W的套筒冲头20。 将插入中空部分Wo中的心轴冲头30的工件W插入模具10的成型部分中,并且插入模具10中的工件W被套筒冲头20挤压以模制工件W.锥形部分 33形成在心轴冲头30的中间部分。芯棒冲头30具有在成型前插入工件W时与工件W的内周面产生间隙的直径。
    • 3. 发明专利
    • Gear fastening structure
    • 齿轮紧固结构
    • JP2014095409A
    • 2014-05-22
    • JP2012246319
    • 2012-11-08
    • Toyota Motor Corpトヨタ自動車株式会社
    • TANIGUCHI MAKOTOUKAI MOTOHIKOISHIHARA HIROAKIKIMURA HIROMICHI
    • F16H48/40F16D1/072F16H48/08
    • PROBLEM TO BE SOLVED: To provide a gear fastening structure capable of securing the mechanical strength of a fastened site even when a ring gear is fastened to a differential case after the ring gear is pressed into the differential case.SOLUTION: The gear fastening structure includes a differential case 13 having a flange 44, and a ring gear 12, the ring gear 12 pressed into the flange 44 being fastened to the flange 44. The flange 44 has a side face supporting part 51 and a caulking and fixing part 52. The caulking and fixing part 52 has an annular protrusion 61 having an abutment face part on which a caulking die abuts, and the ring gear 12 has an inclined face part. The abutment face part has a first end located on the side of a first side face part 34 in the direction of a rotation axis, and the inclined face part has a second end located on the side of the first side face part 34 in the direction of the rotation axis. In the state that the ring gear 12 is pressed into the flange 44, the first end of the abutment face part is located on the further side of the first side face part 34 than the second end of the inclined face part in the direction of the rotation axis.
    • 要解决的问题:提供一种能够确保紧固部位的机械强度的齿轮紧固结构,即使在齿圈被压入差速器壳体中之后将齿圈固定到差速器壳体上时。齿轮紧固结构包括 具有凸缘44的差速器壳体13和环形齿轮12,被压入凸缘44的环形齿轮12被紧固到凸缘44上。凸缘44具有侧面支撑部分51和铆接和固定部分52。 铆接固定部52具有环状突起61,该突起61具有邻接面部,铆接模具抵接在该抵接面部上,并且环形齿轮12具有倾斜面部。 邻接面部具有沿旋转轴线的方向位于第一侧面部34侧的第一端,并且倾斜面部具有沿着第一侧面部34的方向 的旋转轴。 在将齿圈12压入凸缘44的状态下,抵接面部的第一端位于第一侧面部34的与倾斜面部的第二端相反的方向的另一侧 旋转轴。
    • 4. 发明专利
    • Method for molding boss, molded article, and apparatus for molding inner diameter spline teeth
    • 用于模制内径线材的模具,模制品和装置的方法
    • JP2012183555A
    • 2012-09-27
    • JP2011048185
    • 2011-03-04
    • Toyota Motor Corpトヨタ自動車株式会社
    • UKAI MOTOHIKOISHIHARA HIROAKIKAYAHANA SADA
    • B21K1/26B21D19/08B21J5/06B21J5/12B21K1/30
    • PROBLEM TO BE SOLVED: To provide a method for molding a boss in which a molded article can be prevented from deforming even if residual stress is released when subjected to a thermal treatment, such as induction hardening, and to provide a molded article, and an apparatus for molding inner diameter spline teeth.SOLUTION: The apparatus 10 for molding inner diameter spline teeth includes a top surface support member 11, a bottom surface support member 12, and a punch 21. A spline Ws to a workpiece W is formed such that the punch 21 is inserted from an end Wt of the workpiece W and the workpiece W is plastic-formed with a spline forming protrusion 22 provided at an end of the punch 21 to form the spline Ws. The punch 21 is provided with a protrusion 23 having an outer diameter larger than that of the protrusion 22 and formed entirely around the periphery close to the proximal end of the punch 21. Upon the completion of molding the spline Ws by the insertion of the punch 21 into the end Wt of the workpiece Wt, the spline Ws is subjected to plastic forming with the protrusion 23 so that the plate thickness of the end Wt around the entire periphery is made substantially even.
    • 待解决的问题:提供一种成型凸台的方法,其中即使在进行诸如感应淬火的热处理时,即使残余应力被释放,也可以防止模制品变形,并且提供模制品 以及用于模制内径花键齿的装置。 解决方案:用于模制内径花键齿的装置10包括顶表面支撑构件11,底表面支撑构件12和冲头21.向工件W的花键Ws形成为使得冲头21插入 从工件W的端部Wt和工件W通过设置在冲头21的端部的花键形成突起22塑性地形成,以形成花键Ws。 冲头21具有突出部23,该突起23的外径大于突出部22的外径,并且整体围绕靠近冲头21的近端的周边形成。当通过插入冲头完成花键Ws 21到工件Wt的端部Wt中,花键Ws与突起23进行塑性成形,使得围绕整个周边的端部Wt的板厚基本上均匀地进行。 版权所有(C)2012,JPO&INPIT