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    • 4. 发明授权
    • Die casting method and die casting machine
    • 压铸方法和压铸机
    • US5579825A
    • 1996-12-03
    • US357260
    • 1994-12-13
    • Ryoichi ShibataTakao Kaneuchi
    • Ryoichi ShibataTakao Kaneuchi
    • B22D18/02B22D17/00B22D17/04B22D17/20B22D17/30B22D27/02C22B9/22
    • B22D17/30B22D17/007B22D17/04B22D17/2038B22D27/02Y10S164/90
    • A die casting method and a die casting machine of the invention is provided. The method comprises the steps of forming a casting sleeve comprising an inner cylinder and an outer cylinder, having a conductor material, and disposing an induction coil on the outer periphery of the outer cylinder. The conductor material may be in the form of a plurality of conductors uncontinuously disposed about the cylinder or it may be in the form of a single conducting material having a plurality of slits. A material to be cast in the casting sleeve may be heated, maintained a constant temperature and stirred by electromagnetic induction. The material may be substantially separated from the wall face of the casting sleeve by an electromagnetic force generated between the conductor and the material and the temperature drop of the material may be suppressed. The material being casted can efficiently be heated, maintained a constant temperature and electromagnetically stirred, while maintaining the machine accuracy of the casting sleeve.
    • 提供本发明的压铸方法和压铸机。 该方法包括以下步骤:形成具有导体材料的内筒和外筒的铸造套筒,并在外筒的外周设置感应线圈。 导体材料可以是不连续地设置在圆筒周围的多个导体的形式,或者它可以是具有多个狭缝的单个导电材料的形式。 在铸造套管中要铸造的材料可以被加热,保持恒定温度并通过电磁感应来搅拌。 材料可以通过在导体和材料之间产生的电磁力与铸造套管的壁面基本分离,并且可以抑制材料的温度下降。 被铸造的材料可以有效地被加热,保持恒定的温度和电磁搅拌,同时保持铸造套筒的机器精度。
    • 7. 发明授权
    • Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool
    • 手持式冲击扳手螺杆旋转角度的读取方式,手动电动螺丝松动工具的手动振动检测方法,紧固评估方法及控制方法
    • US06546815B2
    • 2003-04-15
    • US09936520
    • 2001-09-14
    • Masakazu YamadaRyoichi ShibataYoshihiko Nagare
    • Masakazu YamadaRyoichi ShibataYoshihiko Nagare
    • B25B2314
    • B25B21/02B25B23/1405B25B23/1453
    • A hand-held powered screw tightening tool has a detecting device to detect a rotation angle of a rotary member in a clockwise direction and a counterclockwise direction. In screw tightening, an angle obtained by subtracting a cumulative total of the rotation angle of the rotary member with rebound, if any, in a counterclockwise direction from a cumulative total of the rotation angle of the rotary member in the clockwise direction is detected and accumulated as a total rotation angle (P) and a rotation angle formed during the deceleration at the hammering is detected as &Dgr;H and accumulated, and a preset design angle Pd for hammering is accumulated. A wobbling angle is calculated from Equation: A wobbling angle=P−a cumulative total of Pd−a cumulative total of &Dgr;H (where Pd is a design value of the impact wrench, indicating an angle corresponding to 360°/m for the case of the m number of hammerings per rotation of the rotary member). When the cumulative total of the rotation angle &Dgr;H reaches the predetermined design angle for screw tightening, the rotation of the rotary member is stopped. In screw loosening, the rotary member is rotated in the opposite direction, so that when the rotation angle of the rotary member reaches a predetermined number of rotations in the loosening direction similarly, the rotation of the rotary member is stopped.
    • 手持式电动螺丝紧固工具具有检测装置,用于检测旋转构件在顺时针方向和逆时针方向上的旋转角度。 在螺旋紧固中,通过从旋转构件沿顺时针方向的旋转角度的累积总和中逆时针方向减去旋转构件的旋转角度的累积总和(如果有的话)而获得的角度被检测和累加 作为总旋转角度(P),并且在锤击期间减速期间形成的旋转角度被检测为DELTAH并累积,并且用于锤击的预设设计角度Pd被累积。 摆动角度由下式计算:A摆动角= Pa累积累积总和的Pd-a累积总和的DELTAH(其中Pd是冲击扳手的设计值,表示对于m的情况为360°/ m的角度 旋转部件每旋转一次的锤击数)。 当旋转角度DELTAH的累积总量达到用于螺钉紧固的预定设计角度时,旋转构件的旋转停止。 在螺钉松动时,旋转构件沿相反方向旋转,使得当旋转构件的旋转角度在松动方向上达到预定转数时,类似地旋转构件的旋转停止。
    • 8. 发明授权
    • Impact wrench
    • 冲击扳手
    • US4557337A
    • 1985-12-10
    • US568561
    • 1984-01-05
    • Ryoichi Shibata
    • Ryoichi Shibata
    • B25B21/02B25D15/02
    • B25B21/026
    • An impact wrench for using fastening or unfastening fasteners comprises a cylindrical rotor coupled to a motor shaft, said cylindrical rotor including a projection on its inner surface, the projection having a circumferential width and an axial length; an anvil coupled to said cylindrical rotor, the anvil including a hammer member capable of rocking therein, the hammer member being engageable with said projection; a springloaded pusher for urging said hammer member towards said projection, wherein a spring support slides either on a deep cam face or a shallow cam face both produced on said inner surface of the cylindrical rotor, thereby allowing said spring to become compressed or relaxed against said hammer member.
    • 用于使用紧固或松开紧固件的冲击扳手包括联接到电动机轴的圆柱形转子,所述圆柱形转子在其内表面上包括突起,所述突起具有圆周宽度和轴向长度; 砧座,其联接到所述圆柱形转子,所述砧座包括能够在其中摆动的锤构件,所述锤构件可与所述突起接合; 用于将所述锤构件推向所述突起的弹簧推动器,其中弹簧支撑件在圆柱形转子的所述内表面上都产生的深凸轮面或浅凸轮面上滑动,从而允许所述弹簧压缩或松弛所述弹簧 锤子成员。
    • 9. 发明申请
    • Screw tightening axial force control method using impact wrench
    • 使用冲击扳手拧紧轴向力控制方法
    • US20090308624A1
    • 2009-12-17
    • US11920008
    • 2007-08-28
    • Ryoichi ShibataYoshiyuki Nakagawa
    • Ryoichi ShibataYoshiyuki Nakagawa
    • B25B21/02B25B23/14
    • B25B23/1405B25B23/1453
    • Conventionally, as screw tightening axial force control, there is a control method such as a torque control method. The torque control method requires estimation of a torque coefficient, and has a problem that a calculated axial force value is an estimated value. An object of the present invention is to provide a method for directly controlling an axial force by calculating the axial force generated by an impact force by using an impact wrench. A 45-degree slant line is set from an origin O of orthogonal coordinate axes to be used for screw tightening axial force control, an impact progress point Hi generated by an i-th impact is detected on the 45-degree slant line, a length HSi of a line segment OHi is read, and an axial force value Fi after the i-th impact occurs is calculated by using the formula Fi=HSi×cos 45°. Another method for controlling the axial force by using impact information is also disclosed.
    • 通常,作为螺旋紧固轴向力控制,存在诸如扭矩控制方法的控制方法。 转矩控制方法需要估计转矩系数,并且存在计算出的轴向力值为估计值的问题。 本发明的目的是提供一种通过使用冲击扳手计算由冲击力产生的轴向力来直接控制轴向力的方法。 从用于螺钉紧固轴向力控制的正交坐标轴的原点O设置45度倾斜线,在45度倾斜线上检测由第i次冲击产生的冲击进展点Hi,长度 读取线段OHi的HSi,并且通过使用公式Fi = HSixcos 45°计算发生第i次碰撞之后的轴向力值Fi。 还公开了通过使用冲击信息来控制轴向力的另一种方法。
    • 10. 发明授权
    • Die-casting method and die-castings obtained thereby
    • 压铸方法和由此得到的压铸件
    • US06478075B1
    • 2002-11-12
    • US09446961
    • 1999-12-30
    • Ryoichi ShibataTakeo Kaneuchi
    • Ryoichi ShibataTakeo Kaneuchi
    • B22D2709
    • B22D17/12B22D17/007B22D17/30Y10S164/90
    • A die casting method and a casting that is obtained through use of the die casting method. The die casting method can solve problems such as air catching occurring at the time of injection into the cavity of a die and molten metal run defect, thereby enabling efficient production of defect-free perfect castings. Via a mouth piece 7 and a molten-metal feed port 4, molten metal from a molten metal feeder flows into a casting sleeve 2 while undergoing laminar flow. When the molten metal reaches a predetermined level, a plunger tip 5 is moved upward within the casting sleeve 2 and stops at a position where the side surface of the plunger tip 5 closes the molten-metal feed port 4. The molten metal that has flowed into the casting sleeve 2 is cooled by a cooling medium flowing through passages 2b formed within the casting sleeve 2 so that said molten metal forms primary crystals. Simultaneously, through use of a high frequency coil 6, the molten metal is subjected to electromagnetic agitation. As a result, the molten metal is fluidized and soaked. At this time, the temperature of the molten metal is detected by a sensor. When it is judged that the solid phase ratio has reached an arbitrary value in the range of 10-60%, the plunger tip 5 is moved upward in order to inject the semi-solidified molten metal into the cavity of a die 1.
    • 压铸方法和通过使用压铸方法获得的铸件。 压铸方法可以解决在注入模具空腔时产生的空气捕捉和熔融金属缺陷的问题,从而能够有效地生产无缺陷的完美铸件。 通过口部件7和熔融金属供给口4,来自熔融金属给料器的熔融金属在进行层流的同时流入铸造套管2。 当熔融金属达到预定水平时,柱塞头5在铸造套筒2内向上移动并停止在柱塞末端5的侧表面关闭熔融金属进料口4的位置。流动的熔融金属 流入铸造套筒2中的冷却介质被流过铸造套筒2内形成的通道2b的冷却介质冷却,使得熔融金属形成初级晶体。 同时,通过使用高频线圈6,对熔融金属进行电磁搅拌。 结果,熔融金属被流化并浸泡。 此时,由传感器检测熔融金属的温度。 当判定固相比达到10-60%范围内的任意值时,柱塞头5向上移动,以将半固化的熔融金属注入到模具1的空腔中。