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    • 4. 发明申请
    • PRECISION ROLL TURNING LATHE AND AUTOMATIC TOOL CHANGER THEREFOR
    • 精密滚动轮胎和自动工具更换
    • US20110277603A1
    • 2011-11-17
    • US13108088
    • 2011-05-16
    • Hiroshi UCHIMURA
    • Hiroshi UCHIMURA
    • B23Q3/155B23B29/24
    • B23Q3/15573B23B5/08Y10T82/2587Y10T409/502624Y10T409/509348Y10T483/1714Y10T483/1719
    • There is provided an automatic tool changer which, in a precision roll turning lathe which feeds a tool post at a high speed, can automatically change a tool, such as a cutting tool, without stopping the machine, thereby enabling highly efficient ultra-Precision machining of a roll mold for molding of a large-sized plastic sheet. The automatic tool changer includes: a change device including a vertically movable pivot arm having a pivot axis and which pivots in a horizontal plane, a hand portion, mounted at the front end of the arm, for detachably gripping a tool holder, a pivot drive section for pivoting the pivot arm, and a lifting drive section for vertically moving the pivot arm; a tool holder stocker, having a plurality of circumferentially-arranged stages disposed at a predetermined distance from the pivot axis, each stage detachably holding a tool holder; a holder base, mounted to the tool post, for fixing and unfixing a tool holder through the rotation of a clamp shaft; and a clamp shaft operating device including an operating portion for clamping/unclamping the tool holder by rotating the clamp shaft.
    • 提供了一种自动换刀装置,其在高速进给刀架的精密滚动车床中可以自动地改变诸如切削工具的刀具,而不会停止机器,从而实现高效的超精密加工 的用于模制大尺寸塑料片的辊模。 自动换刀装置包括:换档装置,包括具有枢转轴线并在水平面上枢转的可垂直运动的枢转臂,安装在臂前端的手部,用于可拆卸地夹持工具架,枢轴驱动 用于枢转枢转臂的部分,以及用于垂直移动枢转臂的提升驱动部分; 具有设置在与所述枢转轴线成预定距离的多个周向布置的台阶的工具架保持器,每个台可拆卸地保持工具架; 安装在工具柱上的保持器基座,用于通过夹紧轴的旋转固定和拆卸工具架; 以及夹紧轴操作装置,其包括用于通过旋转夹紧轴来夹紧/松开工具夹具的操作部分。
    • 6. 发明授权
    • Machine tool operable as both a chucking type lathe and as a machining
center
    • 机床可用作夹紧式车床和加工中心
    • US4404727A
    • 1983-09-20
    • US237750
    • 1981-02-24
    • Frank Zankl
    • Frank Zankl
    • B23Q3/157B23P23/02B23Q3/155B23Q7/04
    • B23Q3/15513B23Q7/046Y10T483/16Y10T483/1705Y10T483/1714Y10T483/1767Y10T82/2514
    • A machine tool operative as both a chucking type lathe and as a horizontal spindle machine center comprises a rotatable spindle horizontally journaled to a spindlehead vertically reciprocal on a machine tool upright, the upright being slidably mounted for movement on one leg of an "L" shaped bed. A saddle, mounted for movement along the other leg of the bed, carries a table rotatably journaled therein. Affixed to the table is a tailstock which carries both toolholders and workpiece holders. A changer arm, journaled to the spindle for rotation about, and linear movement along, an axis parallel to the axis of spindle rotation is operative, when the upright is moved along the bed to a first changer position, to transfer toolholders and workpiece holders between the spindle and a storage drum journaled to the bed for rotation about an axis parallel to the axis of spindle rotation. The changer arm is also operative, when the upright is moved to a second change position distal from the storage drum and when the saddle is moved and table is rotated, to position the tailstock along the side of the spindle, to transfer toolholders and workpiece holders between the spindle and the tailstock. In this way, a turning operation can be accomplished by transferring a turning tool to the tailstock and a workpiece holder to the spindle. A machining center operation is effectuated by transferring a workpiece holder from the spindle to the tailstock and by transferring a cutting tool from the storage drum to the spindle.
    • 作为夹具式车床和水平主轴机床中心的机床包括一个可旋转的主轴,其轴向垂直于主轴头,该主轴在机床上垂直往复运动,该直立件可滑动地安装,以便在“L”形 床。 安装成沿着床的另一条腿运动的马鞍,载有可旋转地记录在其中的台子。 附在桌子上的是一个尾座,可以承载刀架和工件座。 当立柱沿着床移动到第一变换器位置时,一个更换器臂可操作地轴向旋转并围绕平行于主轴旋转轴线的轴线旋转并且线性运动,以便将工具架和工件夹持器 主轴和一个储存鼓,其轴颈轴颈围绕平行于主轴旋转轴线的轴线旋转。 更换器臂也可操作,当立柱移动到远离存储鼓的第二改变位置时,并且当鞍座移动并且工作台旋转时,将尾架沿着主轴的一侧定位,以转移刀架和工件保持器 在主轴和尾座之间。 以这种方式,可以通过将车削工具传递到尾架和将工件保持器传递到主轴来实现转动操作。 通过将工件夹持器从主轴传送到尾座并通过将切割工具从存储滚筒传送到主轴来实现加工中心操作。
    • 7. 发明授权
    • Clamping means for a tool block in a vertical boring machine or the like
    • 用于垂直钻孔机等中的工具块的夹紧装置
    • US4084462A
    • 1978-04-18
    • US609429
    • 1975-09-02
    • Claude M. Grinage
    • Claude M. Grinage
    • B23Q3/02B23B3/10B23B21/00B23B29/04B23B29/24B23B31/26B23Q3/155E02D27/52E02D29/09E02D37/00B23B29/00B23B29/14
    • E02D27/52B23B29/04B23B29/244B23B3/10B23B31/261B23B31/268B23Q3/15513E02D29/06E02D37/00Y10T409/307784Y10T483/1714Y10T483/1724Y10T82/2585
    • In a tool change system for a vertical lathe or the like, a new and improved arrangement for clamping a tool block in a tool supporting ram. The new clamping means provides a firm support for the tool block and further includes means for equalizing the clamping forces applied to the tool block and for properly positioning and orienting the tool block in the ram. In accordance with a specific feature of the present invention, the tool block is provided with clamp engaging means on opposite sides thereof and the clamping means comprises a pair of spaced clamping bars engageable with the respective clamping means on the tool block. A common actuating means is operative to move the clamping bars into a tight clamping relation with the clamping means of the tool block. Means are provided for effectively distributing the clamping force applied by the actuating means which comprise a first connecting means for yieldably interconnecting the actuating means to one of the clamping bars and a second connecting means for non-yieldably interconnecting the actuating means to the other of the clamping bars. The non-yieldable second connecting means is arranged on the side of the tool block from which the work approaches.
    • 在用于立式车床等的工具更换系统中,用于将工具块夹紧在工具支撑柱塞中的新的和改进的布置。 新的夹紧装置为工具块提供坚固的支撑,并且还包括用于均衡施加到工具块的夹紧力并且用于将工具块正确定位和定向在压头中的装置。 根据本发明的具体特征,工具块在其相对侧上设置有夹紧接合装置,并且夹紧装置包括可与工具块上的相应夹紧装置接合的一对隔开的夹紧杆。 常用的致动装置可操作以将夹紧杆移动成与工具块的夹持装置的紧密夹紧关系。 提供了用于有效地分配由致动装置施加的夹紧力的装置,其包括第一连接装置,用于可靠地将致动装置互连到一个夹紧杆;以及第二连接装置,用于不可屈服地将致动装置互连到 夹紧杆。 不可屈服的第二连接装置设置在工具接近的工具块的侧面上。