Multi-head boring machine guide rail

The utility model discloses a multi-head boring machine guide rail which comprises a ball linear guide rail, a sliding block is arranged on the linear guide rail, and a power head is fixed on the sliding block through a transition seat. The multi-head boring machine is provided with a linear guide rail mounting groove, and the linear guide rail is mounted in the linear guide rail mounting groove.A nut is installed on the transition base and engaged with the lead screw. The ball linear guide rail can bear a certain torque, can realize high-precision linear motion under the condition of high load, and is stable in motion, high in machining precision, convenient to manufacture and maintain and low in cost. 本实用新型公开了一种多头镗床导轨，包括滚珠线性导轨，线性导轨上设有滑块，动力头通过过渡座固定在所述滑块上。多头镗床设有线性导轨安装槽，线性导轨装于线性导轨安装槽中。过渡座安装有丝母，丝母与丝杆啮合。滚珠线性导轨可以承担一定的扭矩，可在高负载的情况下实现高精度的直线运动，运动平稳、加工精度高、便于制造、维护方便、成本低。