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    • 145. 发明授权
    • Double spindle grinding machine
    • 双轴磨床
    • US4471577A
    • 1984-09-18
    • US337102
    • 1982-01-05
    • Isao OgawaMasaki SatoNobuo MoritaTakeshi Kobayashi
    • Isao OgawaMasaki SatoNobuo MoritaTakeshi Kobayashi
    • B24B5/10B24B7/10
    • B24B5/10
    • A double spindle grinding machine has a pair of grinding spindles mounted on feed tables for performing two independent grinding operations. A pair of work spindles for holding workpieces to be ground are rotatably mounted on a supporting frame which undergoes angular displacement in forward and reverse directions through an arc of 180.degree. to alternately position the workpieces held by the two spindles opposite alternate ones of the two grinding spindles. A swing shaft is connected to the supporting frame and is alternately driven in forward and reverse directions to displace the supporting frame to extreme forward and reverse positions so as to alternately position the workpieces in opposed relation to alternate ones of the grinding spindles. A clamping device coacts with the supporting frame to releasably clamp the frame in either extreme position, and the clamping device includes a pair of vertically slidable clamp rods connected through a linkage to a reciprocal fluid motor which effects upward and downward movement of the clamp rods between unclamping and clamping positions. A clamp block is secured to each clamp rod and coacts with a clamp member secured to the supporting frame to releasably clamp the frame in the extreme forward and reverse positions in response to actuation of the fluid motor to drive the clamp rods to the clamping positions.
    • 双轴研磨机具有安装在进料台上的一对研磨主轴,用于进行两次独立的研磨操作。 用于保持待研磨工件的一对工作轴可旋转地安装在支撑框架上,该支撑框架在180度的弧度上沿着前后方向进行角位移,以交替地将由两个主轴保持的工件相对于两个研磨中的相互替代 心轴。 摆动轴连接到支撑框架,交替地沿前后方向驱动,以将支撑框架移动到最前进和倒退的位置,以便将工件交替地与相互交替的研磨主轴相对置。 夹紧装置与支撑框架共同作用以将框架可释放地夹紧在任一极限位置,并且夹紧装置包括一对垂直滑动的夹紧杆,其通过联动装置连接到往复流体马达,其将夹紧杆的向上和向下运动 松开和夹紧位置。 夹紧块被固定到每个夹紧杆并与固定到支撑框架上的夹紧构件共同作用,以响应于流体马达的致动将夹具杆可释放地夹紧在极端正向和反向位置以驱动夹紧位置。