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    Uniform-pressure press apparatus
    31.
    发明授权
    Uniform-pressure press apparatus 失效
    均压机

    公开(公告)号：US4576092A

    公开(公告)日：1986-03-18

    申请号：US586516

    申请日：1984-03-05

    Applicant: Yoshiharu Yamato

    Inventor： Yoshiharu Yamato

    IPC: B21J9/02 ,  B30B15/02 ,  B30B15/06 ,  B30B15/24 ,  B30B15/32

    CPC classification number: B28B3/003 ,  B30B15/06 ,  B30B15/061 ,  B30B15/068

    Abstract: A uniform-pressure press apparatus has a single or a plurality of liquid-in-pressure equalizing chambers independently provided in at least one of a pressure-receiving frame and a movable table to allow an operation surface to serve as a floating plate, thereby to correct any deflection produced in the pressure-receiving frame and the movable table.

    Abstract translation: 均压压力装置具有单独或多个液压均压室，独立地设置在受压框架和活动台中的至少一个中，以允许操作表面用作浮动板，从而 纠正在压力接收框架和可移动工作台中产生的任何挠曲。

    System for providing for parallelism in fluid powered press or the like
    32.
    发明授权
    System for providing for parallelism in fluid powered press or the like 失效
    用于在流体动力压力机等中提供平行度的系统

    公开(公告)号：US4240778A

    公开(公告)日：1980-12-23

    申请号：US70011

    申请日：1979-08-27

    Applicant: Myron I. Korytko

    Inventor： Myron I. Korytko

    IPC: B30B15/00 ,  B30B15/24 ,  B30B15/16 ,  B30B15/22

    CPC classification number: B30B15/007 ,  B30B15/245

    Abstract: A fluid powered compression molding press or the like in which members such as platen members are movable relatively toward one another to develop high pressures therebetween, such as for instance forming a workpiece or work material in a compression die, and including means for compensating for tilting movement of the movable member relative to the other member by creating a force moment acting on the movable member in a direction opposite to the direction of tilting movement. The compensating means includes leveling units adapted for engaging coaction with the movable member and coupled into a closed fluid system including slave units and a control unit operatively connected together, whereby the control unit operates to generate reaction pressure in the respective leveling unit via the respective of said slave units.

    Abstract translation: 流体动力的压缩成型压力机等，其中诸如压板构件的构件可相对于彼此移动以在其间形成高压，例如在压缩模中形成工件或工件，并且包括用于补偿倾斜的装置 通过在与倾斜运动方向相反的方向上产生作用在可动构件上的力矩，可移动构件相对于另一构件的运动。 补偿装置包括适于与可移动构件接合的调平单元并且联接到包括从单元和可操作地连接在一起的控制单元的闭合流体系统中，由此控制单元操作以通过相应的调节单元在相应的调平单元中产生反应压力 说奴隶单位。

    Method of and apparatus for synchronizing a plurality of fluid-operated rams
    33.
    发明授权
    Method of and apparatus for synchronizing a plurality of fluid-operated rams 失效
    用于使多个流体操作的公柱同步的方法和装置

    公开(公告)号：US3968730A

    公开(公告)日：1976-07-13

    申请号：US469304

    申请日：1974-05-13

    Applicant: Bernard Lucien Gabriel Lionet

    Inventor： Bernard Lucien Gabriel Lionet

    IPC: B30B15/24 ,  H02P5/52 ,  F01B25/04 ,  F15B11/22

    CPC classification number: B30B15/24 ,  H02P5/56

    Abstract: A plurality of fluid-operated rams, e.g., for positioning the rolls of a sheet-metal bending machine, are each actuated by a respective servovalve and are each connected to a respective potentiometer whose output resistance varies in accordance with the position of the ram. The rams are grouped in pairs and one potentiometer of each pair is energized with positive voltage, the other with negative voltage so that a combined signal can be produced indicating the relative positions of the two rams of the pair. The combined signal representing the position deviation is fed to two separate amplifiers where it is combined with voltages of opposite polarity and then fed to the servovalves of the pair of rams. Thus the one servovalve is closed partially if its ram advances on the other ram. Similarly a plurality of such rams can be interconnected with all but at most two rams from two different pairs so that all ram positions will be equalized.

    Abstract translation: 多个流体操作的柱塞，例如用于定位金属板弯曲机的辊，各自由相应的伺服阀致动，并且各自连接到相应的电位计，其输出电阻根据压头的位置而变化。 公制件成对组合，每对的一个电位器由正电压供电，另一个电压计用负电压激励，使得可以产生指示该对的两个公柱的相对位置的组合信号。 表示位置偏差的组合信号被馈送到两个单独的放大器，其中它与相反极性的电压组合，然后被馈送到一对公柱的伺服阀。 因此，如果一个伺服阀在另一个压头上前进，则其中一个伺服阀被部分关闭。 类似地，多个这样的公柱可以与来自两个不同的对的所有但是最多两个公柱相互连接，使得所有的冲头位置将被均衡。

    Tool locking device with tie rods, particularly for plastics injection molding machines
    34.
    发明授权
    Tool locking device with tie rods, particularly for plastics injection molding machines 失效
    带拉杆的工具锁定装置，特别适用于注塑机

    公开(公告)号：US3910736A

    公开(公告)日：1975-10-07

    申请号：US47599474

    申请日：1974-06-03

    Applicant: NETSTAL AG MASCHF GIESSEREI

    Inventor： STACHELIN ALBERT ,  KREBSER RUDOLF

    IPC: B22D17/26 ,  B29C37/00 ,  B29C45/00 ,  B29C45/66 ,  B29C45/68 ,  B29C45/76 ,  B29C45/84 ,  B29F1/06 ,  B30B15/24 ,  B30B15/28

    CPC classification number: B29C45/681 ,  B29C45/84 ,  Y10S425/045 ,  Y10S425/223

    Abstract: The tie rods have first ends anchored to a base plate, and a first tool support is movable along the tie rods. A second tool support is mounted on the tie rods adjacent the opposite ends thereof, and a toggle type locking mechanism is connected between the base plate and the first tool support and operable to lock the first tool support in closing relation with the second tool support. Respective hydraulic cushions are provided between the second tool support and the opposite ends of the tie rods, and a hydraulic pressure limiting device is connected to a hydraulic line interconnecting the hydraulic cushions. The hydraulic cushions may be provided by pistons on the opposite ends of the tie rods and engaged in respective cylinders. A safety circuit may be provided, including a pressure controller associated with a common connection line and a switch responsive to the travel position of the movable first tool support.

    Abstract translation: 拉杆具有锚固到基板的第一端，并且第一工具支撑件可沿着拉杆移动。 第二工具支撑件安装在邻近其相对端的连杆上，并且肘节式锁定机构连接在基板和第一工具支撑件之间，并可操作以将第一工具支撑件与第二工具支撑件关闭关系锁定。 在第二工具支撑件和拉杆的相对端之间提供相应的液压垫片，并且液压限制装置连接到互连液压垫的液压管线。 液压垫可以由拉杆的相对端上的活塞提供并且接合在相应的气缸中。 可以提供安全电路，包括与公共连接线相关的压力控制器和响应于可移动的第一工具支架的行进位置的开关。

    Compensating system for presses
    36.
    发明授权
    Compensating system for presses 失效
    压力补偿系统

    公开(公告)号：US3635074A

    公开(公告)日：1972-01-18

    申请号：US3635074D

    申请日：1969-10-20

    Applicant: BAROGENICS INC

    Inventor： MOOS ALOIS J ,  ZEITLIN ALEXANDER

    IPC: B21J9/12 ,  B30B15/24 ,  B21J9/20

    CPC classification number: B21J9/12 ,  B21J9/02 ,  B21J9/20 ,  B30B15/245

    Abstract: Apparatus for compensating for eccentric loads in forging presses and the like. The apparatus includes a plurality of hydraulic cylinders positioned about the press and connected between the platens. The cylinders are interconnected through a hydraulic integrating device so that if there are eccentric forces acting on the platens the forces within the hydraulic cylinders are automatically shifted to counteract the eccentric forces.

    Abstract translation: 用于补偿锻压机等中的偏心负载的装置。 该装置包括围绕压力机定位并连接在压板之间的多个液压缸。 气缸通过液压积分装置相互连接，因此如果存在作用在压板上的偏心力，则液压缸内的力自动地偏移以抵消偏心力。

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