Printed circuit board temporary storage rack

The utility model provides a temporary storage rack for printed circuit boards. The temporary storage rack comprises supporting pipes, side plates and limiting parts. The number of the supporting pipes is two, the supporting pipes are arranged in parallel, and a plurality of installation grooves are formed in the top faces of the supporting pipes in the length direction in an array mode and used for clamping a circuit board. The two side plates are connected to the two ends of the supporting pipe in an inverted-L-shaped structure. Each limiting part comprises a supporting rod, a plurality of rotating rods and at least one side blocking rod, the supporting rods are arranged on the outer side of the supporting pipe in parallel and are movably arranged in the direction perpendicular to the supporting pipe, one ends of the rotating rods are rotationally connected to the supporting rods, the side blocking rods are connected to the rotating rods and are parallel to the supporting rods, and the rotating rods are arr