Wood board profiling milling device

The utility model discloses a wood plate profiling milling device which comprises a main machine frame and an auxiliary machine frame, the auxiliary machine frame is arranged on one side of the main machine frame, a rotating disc and a first driving device for driving the rotating disc to rotate are arranged on the main machine frame, and a plurality of profiling contour grooves are formed in the outer circumference of the rotating disc. Positioning plates used for positioning a wood board and pressing mechanisms used for pressing the wood board are distributed on the rotating disc in the circumferential direction, a rotating arm is arranged on the auxiliary rack, a second driving device used for driving the rotating arm to rotate is arranged on the rack, a milling motor with an upward output is arranged on the rotating arm, and a second driving device used for driving the second driving device to rotate is arranged on the second driving device. And the output end of the milling motor is provided with a profi