Mechanical arm structure

The utility model discloses a mechanical arm structure which comprises a main supporting arm, an L-shaped supporting arm is fixedly connected to the main supporting arm, a mounting plate is slidably connected to the L-shaped supporting arm through a sliding mechanism, a telescopic mechanism is fixedly connected to the mounting plate, a fixing plate is fixedly connected to the telescopic mechanism, and the L-shaped supporting arm is fixedly connected to the fixing plate. The clamping mechanism is fixedly connected to the fixing plate, the supporting rod is fixedly connected to the main supporting arm, and the machining table is rotationally connected to the supporting rod through a rotating mechanism. The hardware part machining device can clamp and move hardware parts and rotationally machine the machining table, and the machining efficiency of the hardware parts is improved. 本实用新型公开了一种机械臂结构，包括主支撑臂，所述L型支撑臂固定连接在所述主支撑臂上，所述安装板通过滑动机构滑动连接在所述L型支撑臂上，所述伸缩机构固定连接在所述安装板上，所述固定板固定连接在所述伸缩机构上，所述夹持机构固定连接在所述固定板上，所述支杆固定连接在所述主支