Robot part clamping fixture

The utility model discloses a robot part clamping fixture which comprises a base, an air cylinder and a U-shaped frame, the air cylinder and the U-shaped frame are fixed on the base, an L-shaped plate is installed on the base in a sliding mode, the L-shaped plate comprises a vertical plate and a horizontal plate, a second clamping plate is installed on the horizontal plate in a sliding mode, a movable rod is hinged to the U-shaped frame, and a first clamping plate is fixedly installed on the movable rod. The air cylinder pushes the second clamping plate to horizontally slide to be close to the vertical plate, and the L-shaped plate is driven by the air cylinder to horizontally slide to push the movable rod to overturn. According to the robot part clamping fixture, after the bottom of a part is placed on the horizontal plate of the L-shaped plate, the bottom of the part can be fixed between the vertical plate of the L-shaped plate and the second clamping plate by pushing the second clamping plate through the a