Fixed-beam numerically controlled double-spindle planer type drilling and milling machine

The utility model discloses a fixed-beam numerically controlled double-spindle planer type drilling and milling machine, which comprises a machine body, uprights at the two sides of the machine body, and cross beams at the top ends of the uprights, wherein the machine body is provided with an X-axis transmission mechanism which drives a work table to move in the X-axis direction; centerless spiral chip cleaners are arranged at the two sides of the work table; two Y-axis carriages are arranged on the cross beams; each Y-axis carriage is provided with a spindle box; the Y-axis carriages are matched with a Y-axis transmission mechanism arranged on the cross beams; a Z-axis transmission mechanism is arranged the Y-axis carriages; and each spindle box is internally provided with a rotation speed shift mechanism which is driven by a tool. The fixed-beam numerically controlled double-spindle planer type drilling and milling machine has high machining efficiency, wide application range and better performances.