The invention relates to the technical field of delivery equipment of printed circuit boards (PCBs), in particular to a parallelogram type connection table, which comprises a base, a movable connection block, a rotary main rod, a balancing rod parallel to the rotary main rod, a fixing support board, a movable support board, an adjusting lead screw, two board conveying devices and a driving mechanism for driving the rotary main rod to rotate. The parallelogram type connection table can achieve the aim of adjusting the width of delivered boards by rotating the lead screw and is convenient to adjust, the rotary main rod is driven to rotate under the effect of the driving mechanism and drives a movable rotary arm and a fixed rotary arm to swing, so that the movable support board and the fixed support board translate leftwards or downwards simultaneously, or the movable support board and the fixed support translate rightwards and upwards. Accordingly, transverse conveying and longitudinal conveying functions of the parallelogram type connection table are achieved, and the parallelogram type connection table is small and exquisite in structure, light in weight, convenient to assemble, low in manufacture cost, small in working noise, fast in board conveying speed and high in board delivery efficiency.