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    • 59. 发明专利
    • Multistage reamer
    • 多功能一体机
    • JP2011143482A
    • 2011-07-28
    • JP2010004001
    • 2010-01-12
    • Toyota Motor Corpトヨタ自動車株式会社
    • MATSUDA KIYOSHIIGARASHI HIDEO
    • B23D77/14B23Q11/10
    • PROBLEM TO BE SOLVED: To provide a multistage reamer which prevents deterioration in the working accuracy of a hole caused by chips produced by cutting of a blade in another stage. SOLUTION: Because the injecting direction of coolant injected from a coolant hole 8b opening on the working surface 6b of a second blade 4b is set opposite to the injecting direction of coolant injected from a coolant hole 8a opening on the working surface 6a of a first blade 4a, the chips produced through cutting of a cutting edge 5b of the second blade 4b can be discharged toward the direction opposite to the tip side by the coolant injected from the coolant hole 8b opening on the working surface 6b of the second blade 4b. Thus, a flaw on a finishing surface caused with the chips, which are produced at cutting of the cutting edge 5b of the second blade 4b and enter into the gap between the adjacent first blade 4a and the finished surface finished by the first blade 4a, can be prevented, securing the required working accuracy of the hole. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种多级铰刀,其防止由另一级切割刀片而产生的切屑造成的孔的加工精度的劣化。 解决方案:由于从在第二刀片4b的工作表面6b上开口的冷却剂孔8b注入的冷却剂的喷射方向与从在工作表面6a上开口的冷却剂孔8a喷射的冷却剂的喷射方向相对设置 第一叶片4a,通过切割第二叶片4b的切割边缘5b而产生的切屑可以通过从在第二叶片的工作表面6b上开口的冷却剂孔8b注入的冷却剂朝着与顶端侧相反的方向排出 4B。 因此,在切割第二刀片4b的切削刃5b并且进入相邻的第一刀片4a与由第一刀片4a完成的精加工表面之间的间隙中产生的切屑导致精加工表面上的缺陷, 可以防止孔的加工精度。 版权所有(C)2011,JPO&INPIT
    • 60. 发明专利
    • Machining device of valve seat surface and valve guide hole of cylinder head
    • 阀座表面加工装置及气缸盖导向孔
    • JP2011025329A
    • 2011-02-10
    • JP2009170981
    • 2009-07-22
    • Howa Mach Ltd豊和工業株式会社
    • HOSOKAWA KATSUYAWATANABE TOSHIO
    • B23Q11/10B23B51/10B23D77/14
    • PROBLEM TO BE SOLVED: To provide a machining device of a valve seat surface and a valve guide hole of a cylinder head with which sufficient coolant can be supplied to an area to be machined for improving machining accuracy and the coolant can be supplied to a turning tool and a reamer by switching over one coolant supply circuit. SOLUTION: A communication hole 8 is provided on a spindle 4, and a through-hole 7 is provided at the center of the spindle 4. First and second coolant supply paths 22 and 23 are formed at the center of a movable shaft 15 which moves back and forth the reamer 13 inserted through the through-hole 7. A communication space 26 is formed between the spindle 4 and the movable shaft 15. When the movable shaft 15 retreats, the first coolant supply path 22 communicates with the communication hole 8 via the communication space 26 to permit the coolant to be supplied to a coolant channel 11 for the turning tool. In addition, when the movable shaft 15 advances, the first and second coolant supply paths 22 and 23 communicate with each other via the communication space 26 to permit the coolant to be supplied to a coolant channel 14 for the reamer. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种阀座表面的加工装置和气缸盖的阀导向孔,其中可以向待加工的区域供应足够的冷却剂以提高加工精度并且可以供应冷却剂 通过切换一个冷却剂供应回路到一个车刀和一个铰刀。 解决方案:连接孔8设置在心轴4上,并且通孔7设置在心轴4的中心。第一和第二冷却剂供给路径22和23形成在可动轴的中心 15是通过通孔7插入的铰刀13来回移动的。在主轴4和可动轴15之间形成有连通空间26.当可动轴15后退时,第一冷却剂供给路22与通信 孔8,以允许冷却剂供应到用于车削工具的冷却剂通道11。 此外,当可动轴15前进时,第一和第二冷却剂供给路径22和23经由连通空间26彼此连通,以允许将冷却剂供应到用于铰刀的冷却剂通道14。 版权所有(C)2011,JPO&INPIT