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    HYDRAULIC CYLINDER AND CLAMP DEVICE
    2.
    发明公开
    HYDRAULIC CYLINDER AND CLAMP DEVICE 审中-公开

    公开(公告)号：EP3153712A4

    公开(公告)日：2018-02-07

    申请号：EP15803701

    申请日：2015-04-10

    申请人： PASCAL ENG CORPORATION

    发明人： KITAURA ICHIRO

    IPC分类号： F15B15/28 ,  B23Q3/06 ,  B23Q3/08 ,  B25B5/06 ,  F15B15/14

    CPC分类号： F15B15/2807 ,  B23Q3/08 ,  B23Q3/082 ,  B25B5/061 ,  F15B15/14 ,  F15B15/28

    摘要： A hydraulic cylinder (5A) comprises a rod insertion hole (31) formed in a piston member (12), an auxiliary rod (32) provided to a head side end wall member (15) and capable of being inserted into the rod insertion hole (31), a rod fitting hole (34) formed to pass through the head side end wall member (15) and the auxiliary rod (32), a movable rod (35) installed in the rod fitting hole (34) and whose end portion toward a head side end wall projects to the exterior, a movement restriction mechanism (36) that prohibits shifting of the movable rod (35) in an unclamping state and permits shifting of the movable rod (35) in a clamping state.

    CLAMP DEVICE
    3.
    发明公开
    CLAMP DEVICE 有权
    SPANNVORRICHTUNG

    公开(公告)号：EP2594359A4

    公开(公告)日：2013-12-25

    申请号：EP11806542

    申请日：2011-05-10

    申请人： PASCAL ENG CORP

    发明人： KAWAKAMI TAKAYUKI

    IPC分类号： B23Q3/06

    CPC分类号： B23Q3/082 ,  B23Q1/009

    摘要： A clamp device (C) has: a cylindrical clamp body (1); a grip member (3) that is inserted into an insertion hole (11a) at the top end portion of the cylindrical clamp body (1) and that is capable of extending outwards to grip the inner circumferential surface of an aperture (H) of an article (W); a clamp rod (4) that is engaged with the grip member (3); a forwards / backwards driving mechanism (5) capable of driving the clamp rod (4) forwards and backwards; a seating surface (14) formed at the top end of the cylindrical clamp body (1); a case member (2) supporting the cylindrical clamp body movably forwards and backwards; an elevating/lowering driving mechanism (7) capable of raising and lowering the cylindrical clamp body (1); and a lock mechanism (9) having a cylindrical member (91) into which the cylindrical clamp body (1) is inserted so as to slide freely and capable of locking the outer circumferential surface of the cylindrical clamp body (1) by elastically deforming the cylindrical member (91) so as to reduce its diameter.

    摘要翻译： 夹紧装置（C）具有：圆筒形的夹紧体（1）; （1）的上端部的插入孔（11a）中并且能够向外延伸以夹持孔（H）的内圆周表面的夹持构件（3），所述夹持构件（3） 文章（W）; 与握持部件（3）接合的夹紧杆（4）; 能够前后驱动夹紧杆（4）的前/后驱动机构（5） 形成在所述圆柱形夹具主体（1）的顶端处的座面（14）; 壳体构件（2），该壳体构件（2）可移动地向前和向后支撑所述圆柱形夹体; 升降驱动机构（7），其能够使所述圆筒形夹具主体（1）升降; 和锁定机构（9），所述锁定机构（9）具有筒状部件（91），所述筒状夹具主体（1）插入所述筒状部件以便自由滑动并且能够通过使所述筒状夹具主体（1）的弹性变形而锁定所述筒状夹具主体 圆柱形构件（91）以减小其直径。

    Autarke elektrohydraulische Werkstückspannvorrichtung
    4.
    发明公开
    Autarke elektrohydraulische Werkstückspannvorrichtung 审中-公开
    自动电动机Werkstückspannvorrichtung

    公开(公告)号：EP2644315A1

    公开(公告)日：2013-10-02

    申请号：EP13075026.8

    申请日：2013-03-14

    申请人： HOHENSTEIN Vorrichtungsbau und Spannsysteme GmbH

    发明人： Franzki, Michael

    IPC分类号： B23Q1/00 ,  B23Q3/06 ,  B23Q3/08

    CPC分类号： B23Q1/0009 ,  B23Q3/082

    摘要： 2.1 Für eine bedienarme und anwendungssichere Werkstückspannung sind Spannvorrichtungen (1) mit hydraulischen Spannkomponenten (1.10) und mit spezifischen Komponenten zur Zu- und Anführung der Werkstücke (1.6) in und aus deren Spannposition ausgestattet, z.B. mit Greifern (2)
    2.2 In Greifern (2) aufgenommene oder geklemmte Werkstücke (1.6) sind mittels einer Handlings- oder Schiebe-Einrichtung (2.2) zu einer Spannvorrichtung (1) hin und von dieser zurück bewegbar. Plane Auf- und Anlageflächen, gewölbte zylindrische Flächen oder Flächen- und Köntaktelemente-Kombinationen in der Art von Steckverbindungen bilden jeweils eine positions- und wiederholgenaue Kontaktstelle (3) von Greifer (2) und Spannvorrichtung (1). Diese Sonderkupplungen für elektrische Leitungen zur Elektroenergieversorgung und Informationsübertragung (3.3 und 3.4) sichern eine autarke elektrohydraulische Funktion der Spannvorrichtung (1).

    摘要翻译： 装置（1）具有操作和/或滑动装置（2.2），其包括用于提供和移除工件（1.6）的夹持器（2）。 夹具在端部位置形成接触点，其中点具有设计为轴承和支撑表面的接触表面或接触元件（3.5,3.6）。 该点被设计为电气线路连接的特殊耦合。 线路连接为供电和信息传输线路提供电能，其中液压发生器的开和关位置由线路连接控制。

    PNEUMATISCHES KOPPELMODUL, INSBESONDERE FÜR EIN NULLPUNKTSPANNSYSTEM FÜR EINE WERKZEUGMASCHINE
    6.
    发明公开
    PNEUMATISCHES KOPPELMODUL, INSBESONDERE FÜR EIN NULLPUNKTSPANNSYSTEM FÜR EINE WERKZEUGMASCHINE 有权
    气动耦合模块，特别针对零SPAN系统的机床和模块化安装系统

    公开(公告)号：EP2616211A1

    公开(公告)日：2013-07-24

    申请号：EP11801576.7

    申请日：2011-09-14

    申请人： Hofmann, Klaus ,  Kastner, Peter ,  Seitz, Jürgen

    发明人： HOFMANN, Klaus

    IPC分类号： B23Q1/00 ,  B23Q3/08 ,  B25B5/06

    CPC分类号： B23Q3/00 ,  B23Q1/0018 ,  B23Q1/037 ,  B23Q3/082

    摘要： The invention relates to a pneumatic coupling module, in particular for a zero-point clamping system, comprising at least one coupling device that can be pneumatically actuated, to which the pneumatic medium can be fed through a supply channel and which is designed in such a way that the coupling device assumes a releasing position when pressurized and a locking position when not pressurized, wherein the coupling module has an interface area for coupling a further pneumatic coupling module or a pneumatically actuated working module. According to the invention, a directional valve is provided in the supply channel, which directional valve has a first port, which is connected to a first part of the supply channel that feeds the pneumatic medium, a second port, which is connected to a second part of the supply channel that leads from the directional valve to the coupling device, and a third port, which is connected to a supply coupling channel, the at least one outlet opening of which is arranged in the interface area in such a way that said outlet opening can be coupled substantially tightly to an inlet opening of the supply channel of the further pneumatic coupling module or of the pneumatically actuated working module, wherein the directional valve connects the first and second ports in a first switching position ("INTERNAL"), so that the first and second parts of the supply channel are connected and the coupling device is set to the releasing position thereof, and wherein the directional valve disconnects the first port from the third port in the first switching position, whereby no pneumatic medium can be fed to the supply coupling channel, and wherein the directional valve disconnects the second port from the first port and connects the first and third ports in a second switching position ("EXTERNAL"), so that the first part of the supply channel is connected to the supply coupling channel and pneumatic medium can be fed to the supply coupling channel, and no pneumatic medium can be fed to the coupling device through the second part of the supply channel and the coupling device is set to the locking position thereof. The invention further relates to a modular clamping system comprising such coupling modules.

    Machine tool with fixture plate holding means
    8.
    发明公开
    Machine tool with fixture plate holding means 有权
    Werkzeugmaschine mit Haltemittelnfüreine Besfestigungsplatte

    公开(公告)号：EP2345502A1

    公开(公告)日：2011-07-20

    申请号：EP10197352.7

    申请日：2010-12-30

    申请人： JTEKT CORPORATION

    发明人： Ozeki, Tohru ,  Nakamura, Eiji ,  Takeshita, Kichiji

    IPC分类号： B23Q1/00 ,  B23Q3/08

    CPC分类号： B23Q1/0063 ,  B23Q3/082

    摘要： A machine tool (1) includes: a hydraulic pump (30) that supplies pressure oil; a fixture plate (22) that positions a workpiece (W); a fixture base (21) that detachably holds the fixture plate (22) and that moves relative to a tool (3) during machining; a hydraulic cylinder (31) perform an attaching/removing operation for attaching or removing the fixture plate (22) to or from the fixture base (21); an accumulator (32) that accumulates the pressure oil from the hydraulic pump (11) and that supplies the pressure oil to the hydraulic cylinder (31); and a manual valve (33) that is manually switched to supply the pressure oil in the accumulator (32) to the hydraulic cylinder (31) to thereby control the attaching/removing operation of the hydraulic cylinder (31).

    摘要翻译： 机械工具（1）包括：供应压力油的液压泵（30）; 固定板（22），其定位工件（W）; 固定基座（21），其可拆卸地保持所述固定板（22）并且在加工期间相对于工具（3）移动; 液压缸（31）执行用于将固定板（22）附接到固定基座（21）上或从固定基座（21）移除的附接/移除操作; 累积器（32），其累积来自液压泵（11）的压力油并将压力油供给到液压缸（31）; 和手动阀（33），其手动切换以将蓄能器（32）中的压力油提供到液压缸（31），从而控制液压缸（31）的安装/拆卸操作。