Hydraulic system of numerical control saw blade pipe cutting machine

The utility model relates to the technical field of hydraulic systems, and provides a hydraulic system of a numerical control saw blade pipe cutting machine. The power element is connected to the oil storage piece and used for driving hydraulic oil. The power element is connected with the cutting saw feeding oil cylinder through the overflow valve; the energy accumulator is connected to a pressure relief opening of the overflow valve. By means of the technical scheme, the problem that in the prior art, an overflow valve is used in a hydraulic system of a numerical control saw blade pipe cutting machine, and energy loss exists is solved. 本实用新型涉及液压系统技术领域，提出了数控锯片切管机的液压系统，包括储油件；动力元件连接在储油件上，用于驱动液压油；动力元件通过溢流阀与切割锯进给油缸相连；蓄能器连接在溢流阀的泄压口上。通过上述技术方案，解决了现有技术中数控锯片切管机的液压系统使用溢流阀存在能量损失的问题。