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    • 1. 发明授权
    • Apparatus for feeding material to a metalworking machine
    • 用于将材料送入金属加工机器的装置
    • US4304347A
    • 1981-12-08
    • US97521
    • 1979-11-26
    • Heinz FinzerWolfgang Kessler
    • Heinz FinzerWolfgang Kessler
    • B21D43/11B21F23/00B23Q1/34B23Q5/50B23Q7/04B65H17/44
    • B21D43/11B21F23/00B23Q1/34B23Q5/50B23Q7/042
    • A feed apparatus for feeding material to a metalworking machine comprises two alternately operating gripping units; the first unit comprising a reciprocating transport gripper element which moves the material forward by steps; the second unit comprises a stationary non-return gripper element which retains the material during the return stroke of the transport gripper element. At least one of the elements can be operated in opposition to spring force by means of a pressure medium which can be displaced by a displacing means acting as an operating mechanism. At least one of the gripper elements is connected to a displacing means by a closed container which stores the pressure medium, the container having extensible wall sections to which the gripper element and the displacing means is connected.
    • 用于将材料供给到金属加工机的进给装置包括两个交替操作的夹持单元; 所述第一单元包括往复运动的夹持元件,所述往复运动夹持元件使所述材料向前移动; 第二单元包括固定的止回夹持元件,其在运送夹持器元件的返回冲程期间保持材料。 至少一个元件可以通过压力介质与弹簧力相反地操作,所述压力介质可以由作为操作机构的位移装置移位。 夹持器元件中的至少一个通过存储压力介质的密闭容器连接到移动装置,该容器具有可伸缩的壁部分,夹持元件和移动装置连接到该部分。
    • 2. 发明授权
    • Stamping and bending tool assembly
    • 冲压和弯曲工具组装
    • US4607517A
    • 1986-08-26
    • US590335
    • 1984-03-16
    • Heinz FinzerWolfgang Kessler
    • Heinz FinzerWolfgang Kessler
    • B21F1/00B21F11/00B21J9/18
    • B21F1/00
    • A stamping and bending tool assembly is described for automatically making bent parts of wire or strip or like raw materials. The tool assembly comprises a plurality of bending carriages which are grouped around a circular tool carrier table with central work station and secured to the housing frame and are controlled by respective cams driven by a respective drive pinion engaged in a central ring gear. The central work station is preceded by at least one cutting tool working in timed sequence with the bending carriages and possibly by at least one take-in apparatus for raw material. The bending carriages together with the cutting tool and possibly with the take-in apparatus for raw material are combined on the circular tool carrier table to form a tool group unit positively driven by way of the central ring gear and the drive pinions in mesh therewith, and the tool carrier table is in the form of a quick replacement plate centrally connected to the housing frame and with which the mutual angular relationship obtaining during the operation of the tool assembly for all the tool drive pinions can be secured when the replacement plate is removed. By means of this high-power tool assembly, it is possible to minimize the prolonged down times hitherto necessarily occurring during replacement of the bending-shaping tool.
    • 描述了一种冲压和弯曲工具组件,用于自动制作线或条或类似原材料的弯曲部分。 工具组件包括多个弯曲滑架,它们围绕具有中心工作站的圆形工具托架组合并固定到壳体框架,并由相应的凸轮控制,该凸轮由相应的驱动小齿轮驱动,该小齿轮啮合在中心齿圈中。 在中央工作站之前,至少有一个切割工具按照时间顺序与弯曲滑架一起工作,可能还有至少一个用于原材料的入口设备。 弯曲支架与切削工具一起,可能与原材料的进入装置组合在圆形工具托架上,以形成通过中心齿圈和与其啮合的驱动小齿轮主动地驱动的工具组单元, 并且工具承载台是中央连接到壳体框架的快速更换板的形式,并且当更换板被移除时,可以确保在用于所有工具驱动小齿轮的工具组件的操作期间获得的相互角度关系 。 通过这种大功率工具组件,可以最小化在更换弯曲成​​型工具期间必须发生的延长的停机时间。