Minimum quantity lubrication system capable of accurately controlling flow

The invention discloses a minimal quantity lubrication system capable of accurately controlling flow, and relates to the technical field of cutting fluid control equipment, the minimal quantity lubrication system comprises a support and a valve body, the support is provided with a cylindrical space, an injection piston, a liquid dropping pipe joint, a liquid inlet channel, a liquid amount adjusting valve, a liquid dropping pipe, a first pneumatic control port and a second pneumatic control port; the valve body is provided with a lubricating liquid input channel, an air channel and a liquid mist outlet. According to the minimum quantity lubrication system capable of accurately controlling the flow, the amount of cutting fluid can be accurately controlled, and minimum quantity lubrication in the machining process is achieved. Extra waste and environmental pollution are not caused, and the utilization rate of the cutting fluid is improved. 本发明公开了一种可精确控制流量的微量润滑系统，涉及切削液的控制设备技术领域，包括支架和阀体，支架上设置有柱形空间、注射活塞、滴液管接头、进液通道、