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    • 81. 发明公开
    • Reciprocating power tool
    • 印度草本植物Kraftwerkzeug
    • EP1491277A1
    • 2004-12-29
    • EP04014500.5
    • 2004-06-21
    • MAKITA CORPORATION
    • Hirabayashi, ShinjiKobayashi, Kenji
    • B23D51/16B23D49/16
    • B23D51/16Y10T74/18248
    • It is an object of the present invention to provide a useful technique for effectively reducing vibration in a reciprocating power tool with a simple structure. According to the present invention, a representative reciprocating power tool includes a motor, a tool bit, a slider, a motion converting mechanism and a counter weight. The tool bit performs a predetermined operation by reciprocating. The slider reciprocates to drive the tool bit. The motion converting mechanism converts a rotating output of the motor into a reciprocating movement of the slider. The counter weight is provided in the motion converting mechanism. Further, the counter weight reciprocates in a direction opposite to the reciprocating direction of the slider. The phase difference between the reciprocating movement of the slider and the reciprocating movement of the counter weight is set such that a time lag is provided between the instant when the slider reaches a top dead center and the instant when the counter weight reaches a bottom dead center. With such construction, timing for reducing the kinetic energy caused by the reciprocating movement of the slider can be optimized, taking into account a cutting resistance that the tool bit receives from the workpiece during operation.
    • 该工具具有运动转换机构,以将马达的旋转输出转换成滑块(107)的往复运动。 机构中的配重在与滑块的往复运动方向相反的方向上往复运动。 滑块的移动与重量之间的相位差被设定为当滑块到达上止点和下止点时提供时滞。
    • 85. 发明申请
    • MOTION TRANSLATION MECHANISM
    • 运动翻译机制
    • WO2008085920A3
    • 2008-11-20
    • PCT/US2008000167
    • 2008-01-04
    • EFFICIENT V INCCOOK CHRISTOPHER L
    • COOK CHRISTOPHER L
    • F02B75/00
    • F02B75/32F02B75/22F16H21/36Y10T74/18184Y10T74/18248Y10T74/18272
    • This disclosure concerns machines that convert rotating motion to reciprocation, and vice-versa, and more particularly, but not exclusively, to reciprocating piston machines. Some embodiments include a crankshaft defining a crankshaft-drive and at least one radially extending piston-journal spaced from the crankshaft-drive, and a piston configured to pivotally engage the piston-journal. The piston defines a cylindrical head and a body having a width substantially equal to the head diameter. Some embodiments further include a drive-member defining a central-axis-of-rotation and being rotatably engageable with the crankshaft-drive. Some embodiments also include a block defining one or more cylinders for receiving one or more pistons. The drive-member rotates when the piston reciprocates, and vice-versa.
    • 本公开涉及将旋转运动转换为往复运动的机器,反之亦然,更具体地但不排他地涉及往复式活塞机。 一些实施例包括限定曲轴驱动器的曲轴和与曲轴驱动器间隔开的至少一个径向延伸的活塞轴颈,以及构造成枢转地接合活塞轴颈的活塞。 活塞限定圆柱形头部和具有基本上等于头部直径的宽度的本体。 一些实施例还包括限定中心轴线方向并且可与曲轴驱动器可旋转接合的驱动构件。 一些实施例还包括限定用于接收一个或多个活塞的一个或多个气缸的块。 当活塞往复运动时,驱动构件旋转,反之亦然。
    • 86. 发明申请
    • MOTION TRANSLATION MECHANISM
    • 运动翻译机制
    • WO2008085920A2
    • 2008-07-17
    • PCT/US2008/000167
    • 2008-01-04
    • EFFICIENT-V, INC.COOK, Christopher, L.
    • COOK, Christopher, L.
    • F02B53/04
    • F02B75/32F02B75/22F16H21/36Y10T74/18184Y10T74/18248Y10T74/18272
    • This disclosure concerns machines that convert rotating motion to reciprocation, and vice-versa, and more particularly, but not exclusively, to reciprocating piston machines. Some embodiments include a crankshaft defining a crankshaft-drive and at least one radially extending piston-journal spaced from the crankshaft-drive, and a piston configured to pivotally engage the piston-journal. The piston defines a cylindrical head and a body having a width substantially equal to the head diameter. Some embodiments further include a drive-member defining a central-axis-of-rotation and being rotatably engageable with the crankshaft-drive. Some embodiments also include a block defining one or more cylinders for receiving one or more pistons. The drive-member rotates when the piston reciprocates, and vice-versa.
    • 本公开涉及将旋转运动转换为往复运动的机器,反之亦然,并且更具体地但不排他地涉及往复式活塞机器。 一些实施例包括限定曲轴驱动装置的曲轴和与曲轴驱动装置间隔开的至少一个径向延伸的活塞轴颈,以及构造成可枢转地接合活塞轴颈的活塞。 活塞限定圆柱形头部和具有基本上等于头部直径的宽度的主体。 一些实施例还包括限定中心旋转轴线并且可旋转地与曲轴驱动装置接合的驱动构件。 一些实施例还包括限定用于接收一个或多个活塞的一个或多个缸的块。 当活塞往复运动时,驱动构件旋转,反之亦然。
    • 87. 发明申请
    • DRIVE SYSTEM OF A FORMING PRESS
    • 为形成驱动系统
    • WO2007140765A2
    • 2007-12-13
    • PCT/DE2007001009
    • 2007-06-07
    • MUELLER WEINGARTEN MASCHFDARR UWESCHMIDT STEFFENGOETZ EDWINVOEGEL GERHARDMEINHARDT WOLFGANG
    • DARR UWESCHMIDT STEFFENGOETZ EDWINVOEGEL GERHARDMEINHARDT WOLFGANG
    • B30B15/148B30B1/266B30B15/10B30B15/14B30B15/287Y10T74/18248
    • A drive system of a forming press for driving the plunger with a crank mechanism controllable by a servomotor is refined in such a way that on the one hand a high pressure force is achievable with the available torques of servomotors and that on the other hand the technical complexity of the drive is reduced during the design of the drive with smultiple mechanically synchronized pressure points and also with pressure points that can each be controlled independently of one another. The concept of the method consists of transferring the torques of the servomotors that are required to achieve a high pressure force for the plunger by means of intermediate gearing, preferably with a double gear transmission, to the cam or crank mechanism, wherein the symmetrically configured drive arms of multipoint presses for the right and the left pressure points of two-point presses or the pressure point groups of four-point presses are optionally mechanically synchronized with one another in such a way that each of the intermediate gears of the first or of one of the first gear transmissions is effectively connected to the others.
    • 得到进一步的发展要成形压力机柱塞的具有可控通过一个伺服马达的曲柄机构的运动的驱动系统,使得,一方面用伺服电机高压制力和在另一方面,发送技术努力的可用转矩来实现,无论是在致动器的设计具有多个机械地同步打印点的作为 也减少与每个独立可控的压力点,致动器的设计。 该解决方案的想法是转移所必需的通过中间齿轮,优选中间轴两次,偏心或曲柄机构,其中,在多点按下用于左和右压力点对称形状的驱动线中的两点按压伺服马达的柱塞转矩的高压力的信息 或用四点压力机压力点,其任选被机械地彼此在第一或第一副轴中的一个的中间齿轮可操作地连接每种情况下同步时,这一点。
    • 90. 发明申请
    • A METHOD FOR CREATING A CONJUGATED SURFACE FROM A CONJUGATE SURFACE
    • 从结合表面形成结合表面的方法
    • WO1996039673A1
    • 1996-12-12
    • PCT/US1996010182
    • 1996-06-06
    • BRACKETT, Douglas, C.WISTER, William, R., III
    • G06F19/00
    • F02B75/246F01B9/023F01B9/026F01B9/047F16H21/36Y10T74/18248Y10T74/18256
    • A method of creating a conjugated surface for use in a motion conversion device for converting linear motion into circular motion or vice versa through the use of an axially movable conjugate-driver moving laterally with respect to a conjugate-bearing, the conjugated surface being on the conjugate-bearing. The method includes the steps of creating a motion curve (310) corresponding to the circular motion from the frame of reference of the lateral motion, iteratively rotating the conjugate surface along the motion curve, and measuring a conjugated curve comprising the points of the conjugate surface farthest from a line joining the two endpoints (335) of the motion curve during the course of the rotations. The conjugated surface is created according to the conjugated curve.
    • 一种创建用于运动转换装置中的共轭表面的方法,用于通过使用相对于共轭轴承侧向移动的可轴向移动的共轭驱动器将直线运动转换成圆周运动或反之亦然,共轭表面位于 缀合物的轴承。 该方法包括以下步骤:从横向运动的参考系创建对应于圆周运动的运动曲线(310),沿着运动曲线迭代地旋转共轭表面,并测量包括共轭面的点的共轭曲线 在旋转过程中距离连接运动曲线的两个端点(335)的线最远。 共轭表面根据共轭曲线产生。