Swing arm brick picking device and color separation brick picking machine

The utility model discloses a swing arm brick picking device. The swing arm brick picking device is characterized by comprising a swing arm mechanism and a brick clamping mechanism. The swing arm mechanism comprises a pair of bearing blocks, a transmission shaft installed between the two bearing blocks, two rigid swing arms and a motor connected with one end of the transmission shaft through a reducer, wherein the two rigid swing arms and the transmission shaft form angles of 90 degrees. The brick clamping mechanism comprises rotation brick clamping hands installed on each swing arm, brick clamping cylinders correspondingly connected with the rotation brick clamping hands and used for driving the rotation brick clamping hands to perform brick clamping motion and a servo motor connected with the rotation brick clamping hands through a pinion and rack transmission mechanism. Compared with the prior art, the swing arm brick picking device has the advantages that the structure is stable, rotation angles of the rotation brick clamping hands are controlled precisely. The utility model further discloses a color separation brick picking unit based on the swing arm brick picking device.