High-efficiency hydraulic-driven small-sized lathe

The invention discloses a high-efficiency hydraulic-driven small-sized lathe and relates to the technical field of lathe machining. The lathe comprises a machine frame, guide rails, a headstock, a workpiece rapid clamping device, a falling port, a propelling sliding table, a first hydraulic cylinder, a connecting head, a connecting piece, a second hydraulic cylinder, a fixing piece and a workpieceto be machined. The propelling sliding table comprises a propelling sliding seat, a cutter sliding table, a cutter sliding seat and a precise positioning cutter clamp; the cutter sliding seat is arranged on the cutter sliding table in a sliding mode; the left side of the lower part of the cutter sliding table is fixedly connected with a first hydraulic pushing rod of the first hydraulic cylinder;the precise positioning cutter clamp is arranged on the cutter sliding table; a cutting tool is clamped on the precise positioning cutter clamp; and a control electric box is arranged on the right side of the machine frame. T