Planer type milling machine convenient for chip removal and used for lathe bed machining

The planer type milling machine comprises a foundation bed, a garbage collecting box and an air supply box are arranged on the two sides of the foundation bed respectively, an air inlet pipe is arranged at one end of the air supply box, a purging cavity is formed in the foundation bed, and a blowing pipe is arranged in the purging cavity. And a plurality of top plates are evenly arranged between the two inner side faces of the foundation bed and located above the purging cavity at intervals, an air blowing opening is formed in the side face, connected with the air supply box, of the foundation bed, moving grooves used for moving of the moving portal frame are formed in the two sides of the upper surface of the foundation bed, and a cutting milling cutter is installed on one side of the moving portal frame. According to the device, scraps generated in the machining process can smoothly fall into the purging cavity to be collected, it can be guaranteed that the upper portion of the top plate is clean and sanita