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    • 1. 发明授权
    • ANGULAR INDEXING APPARATUS FOR MACHINE TOOL
    • 角部件装置机床
    • EP2145725B1
    • 2012-06-27
    • EP08752632.3
    • 2008-05-13
    • Tsudakoma Kogyo Kabushiki Kaisha
    • TATSUDA, Yoshinori
    • B23Q1/70B23Q1/52
    • B23Q16/102B23Q1/70B23Q2210/004B23Q2220/006Y10T409/307672
    • [PROBLEMS] An angular indexing device for a machine tool, in which large torque can be obtained on a rotating shaft without an increase in the outer diameter of a component incorporating a motor and which can be produced easily and at low cost. [MEANS FOR SOLVING PROBLEMS] The angular indexing device for a machine tool has a rotating shaft (40) to which a member (11) to be rotated is fixed, a housing (30) surrounding the outer periphery of the rotating shaft (40) and attached to and detached from a machine tool body, bearings (B1, B2) placed between the housing (30) and the rotating shaft (40), and drive means placed between the housing (30) and the rotating shaft (40) and rotating the rotating shaft (40) to index angular positions. Drive motors (M1, M2, M3) are used as the drive means, and the motors (M1, M2, M3) have motor rotors and motor stators arranged in the housing (30) so as to be concentric with the rotating shaft (40). The drive motors (M1, M2, M3) are serially arranged so as to be spaced in the direction of the axis of the rotating shaft (40), and at least either of the housing (30) and the rotating shaft (40) is connected so that it can be split into multiple sections in the direction of the axis of the rotating shaft (40). The housing (30) and the rotating shaft (40) are splitably connected to the corresponding drive motors (M1, M2, M3).
    • 3. 发明授权
    • CLAMP SLEEVE
    • 夹套
    • EP2116329B1
    • 2012-03-28
    • EP08711631.5
    • 2008-02-20
    • TSUDAKOMA KOGYO KABUSHIKI KAISHA
    • TATSUDA, Yoshinori
    • B23Q16/10B23Q1/28
    • B23B31/30B23Q1/287B23Q1/5406B23Q16/102B23Q2220/006Y10T74/1494Y10T279/1216Y10T409/307672
    • A long life clamp sleeve of a layout device producing a desired clamp force without raising the fluid pressure so much. The clamp sleeve (34a) has a through hole (34a7) and an annular groove (34a1) continuous around the outer circumference and constituting a part of a pressure chamber (34d). The annular groove (34a1) has a pair of inside end faces (34e6, 34e6'), and a groove bottom face (34e0) extending in parallel with the through hole (34a7). First arcuate relaxation faces (34e1, 34e1') are formed between the inside end faces (34e6, 34e6') and the groove bottom face (34e0), and the annular groove (34a1) is provided such that the region where the groove bottom face (34e0) is provided has a deformable thickness (t1). Furthermore, second relaxation faces (34e2, 34e2') having a curvature more relaxed than the first relaxation faces are provided between the groove bottom face (34e0) and at least one of the first relaxation faces (34e1, 34e1').
    • 布置装置的长寿命夹紧套筒产生期望的夹紧力而不会过多地提高流体压力。 夹紧套筒34a具有贯通孔34a7和环状槽34a1,该环状槽34a1在外周连续,构成压力室34d的一部分。 环状槽34a1具有一对内侧端面34e6,34e6'和与该通孔34a7平行地延伸的槽底面34e0。 在内侧端面(34e6,34e6')与槽底面(34e0)之间形成有第一圆弧状的松弛面(34e1,34e1'),环状槽(34a1)设置成凹槽底面 (34e0)具有可变形的厚度(t1)。 此外,在槽底面(34e0)与至少一个第一松弛面(34e1,34e1')之间设置具有比第一松弛面更松弛的曲率的第二松弛面(34e2,34e2')。
    • 4. 发明公开
    • INDEX DEVICE FOR MACHINE TOOL
    • TEILERVORRICHTUNGFÜRWERKZEUGMASCHINE
    • EP2168713A1
    • 2010-03-31
    • EP08777739.7
    • 2008-07-01
    • Tsudakoma Kogyo Kabushiki Kaisha
    • TATSUDA, Yoshinori
    • B23Q1/70B23Q1/26B23Q1/52B23Q16/02
    • B23Q1/70B23Q1/5406B23Q16/065B23Q2210/004
    • An index device for a machine tool includes a rotary shaft (40) to which a drive object is attached, a housing (30) surrounding the rotary shaft (40), a bearing (B1, B2) secured between the housing (30) and the rotary shaft (40) by a securing member (30b), and drive means (M) provided around the rotary shaft (40) and including a rotor (M1a, M2a) and a stator (M1b, M2b). The stator (M1b, M2b) is attached to the housing (30) and the rotor (M1a, M2a) is attached to the rotary shaft (40). The rotary shaft (40), the bearing (B1, B2), the rotor (M1a, M2a), and the securing member (30b) are connected together to form a built-in unit (22). A casing member (30a, 31a) of the housing (30) and the stator (M1b, M2b) are connected together and a cable (c11, c11) for the stator is led out from the side opposite the securing member (30b) to form an enclosure unit (21). The built-in unit (22) is connected to the enclosure unit (21) such that the built-in unit (22) can be inserted into and extracted from the enclosure unit (21), thus facilitating connection and disconnection of wiring between the stator of a DD motor mounted in a spindle head of a machine tool and a main body of the machine tool.
    • 一种用于机床的引导装置包括:旋转轴(40),安装有驱动对象的旋转轴;围绕旋转轴(40)的壳体(30);固定在壳体(30)和 旋转轴(40),以及设置在旋转轴(40)周围并包括转子(M1a,M2a)和定子(M1b,M2b)的驱动装置(M)。 定子(M1b,M2b)安装在壳体(30)上,转子(M1a,M2a)安装在旋转轴(40)上。 旋转轴(40),轴承(B1,B2),转子(M1a,M2a)和固定部件(30b)连接在一起形成内置单元(22)。 壳体(30)和定子(M1b,M2b)的壳体构件(30a,31a)连接在一起,并且用于定子的电缆(c11,c11)从与固定构件(30b)相对的一侧引出到 形成封闭单元(21)。 内置单元(22)连接到外壳单元(21),使得内置单元(22)能够插入到外壳单元(21)中并从外壳单元(21)中拔出,从而便于连接和断开 安装在机床的主轴头上的DD马达的定子和机床的主体。
    • 6. 发明公开
    • INDEX TABLE
    • RUNDSCHALTTISCH
    • EP2283967A1
    • 2011-02-16
    • EP09735945.9
    • 2009-04-20
    • Tsudakoma Kogyo Kabushiki Kaisha
    • TATSUDA, Yoshinori
    • B23Q1/52B23Q1/72
    • B23Q1/52B23Q11/0028Y10T74/14Y10T83/8824Y10T409/305824
    • In an unbalance torque compensating device, control of urging force for compensation is not particularly required, and a space for rotating a balance weight is not required. An index table in which a rotating shaft 3 that supports a table 2 and that extends in a direction intersecting a vertical direction is index driven is provided. The index table includes a rotating member 6 that is secured to the rotating shaft 3 or that is supported by a second shaft 4 differing from the rotating shaft 3, the rotating member 6 rotating by an amount that is the same as that of the rotating shaft 3; a supporting member 7 provided so as to be capable of reciprocating in a direction intersecting a center of axis of the rotating member 6; and an urging member 80 for the supporting member 7, wherein the rotating member 6 has an engaging portion 6a that engages the supporting member 7 at a bias position separated from the center of axis, wherein the supporting member 7 has an engagement surface 7a that receives, through the engaging portion 6a, a first rotary torque T1 applied to the rotating shaft 3, and wherein the urging member 80 causes a second rotary torque T2 in a direction opposite to the first rotary torque T1 to be generated at the rotating shaft 3 through the engaging portion 6a.
    • 在不平衡转矩补偿装置中,不特别需要对补偿用推动力的控制,不需要旋转平衡重的空间。 提供了一种索引表,其中支撑台2并且沿与垂直方向相交的方向延伸的旋转轴3被索引驱动。 分度台包括旋转构件6,旋转构件6固定到旋转轴3或由与旋转轴3不同的第二轴4支撑,旋转构件6以与旋转轴相同的量旋转 3; 支撑构件7,其设置成能够在与旋转构件6的轴线的中心相交的方向上往复运动; 以及用于支撑构件7的推动构件80,其中旋转构件6具有接合部分6a,该接合部分6a在与轴心中心分离的偏置位置处与支撑构件7接合,其中支撑构件7具有接收 通过接合部分6a,施加到旋转轴3的第一旋转扭矩T1,并且其中推动构件80在与第一旋转扭矩T1相反的方向上产生第二旋转扭矩T2,以在旋转轴3通过 接合部分6a。
    • 8. 发明公开
    • CLAMP SLEEVE
    • 夹套
    • EP2116329A1
    • 2009-11-11
    • EP08711631.5
    • 2008-02-20
    • TSUDAKOMA KOGYO KABUSHIKI KAISHA
    • TATSUDA, Yoshinori
    • B23Q16/10B23Q1/28
    • B23B31/30B23Q1/287B23Q1/5406B23Q16/102B23Q2220/006Y10T74/1494Y10T279/1216Y10T409/307672
    • A clamp sleeve for an indexing device is provided, the clamp sleeve being capable of providing a desirable clamping force without greatly increasing a fluid pressure, and having a long life. A clamp sleeve 34a has a through hole 34a7 and an annular groove 34a1 continuously provided around an outer periphery of the clamp sleeve 34a and defining a part of a pressure chamber 34d. The annular groove 34a1 includes a pair of inner end surfaces 34e6, 34e6', a groove bottom surface 34e0 extending in parallel to the through hole 34a7, and arcuate first transition surfaces 34e1, 34e1' provided between the inner end surfaces 34e6, 34e6' and the groove bottom surface 34e0. The annular groove 34a1 is provided such that a thickness t1 in a region provided with the groove bottom surface 34e0 is a thickness to allow the region to be deformable. A second transition surface 34e2, 34e2' is provided between at least one of the first transition surfaces 34e1, 34e1' and the groove bottom surface 34e0, the second transition surface 34e2, 34e2' having a further reduced curvature than a curvature of the first transition surfaces.
    • 提供了一种用于分度装置的夹紧套筒,该夹紧套筒能够提供合乎需要的夹紧力而不会显着增加流体压力并且具有较长的使用寿命。 夹紧套筒34a具有通孔34a7和围绕夹紧套筒34a的外周连续设置并且限定压力室34d的一部分的环形槽34a1。 环形槽34a1包括一对内端面34e6,34e6',平行于通孔34a7延伸的槽底面34e0和设置在内端面34e6,34e6'之间的弧形第一过渡面34e1,34e1', 槽底面34e0。 环形槽34a1被设置成使得设置有槽底面34e0的区域中的厚度t1是允许该区域可变形的厚度。 第二过渡表面34e2,34e2'设置在第一过渡表面34e1,34e1'中的至少一个与槽底表面34e0之间,第二过渡表面34e2,34e2'具有比第一过渡曲率更小的曲率 表面。