There is provided a screen printing apparatus including: a mask plate on which a plurality of pattern holes are formed; a carrier supporter which supports a carrier which has a plurality of first openings and in which a plurality of workpieces are disposed on the plurality of first openings; a backup unit which has a plurality of workpiece supporters; a raising and lowering unit which lifts up the plurality of workpieces from the carrier and returns the plurality of lifted-up workpieces to the carrier; an aligner which aligns the plurality of workpieces in accordance with arrangement of the plurality of pattern holes; an overlapper which relatively moves the backup unit and the mask plate; and a print head which prints a paste on the plurality of workpieces on the plurality of workpiece supporters through the plurality of pattern holes.

There is provided a screen printing apparatus including: a mask plate on which a plurality of pattern holes are formed; a carrier supporter which supports a carrier which has a plurality of first openings and in which a plurality of workpieces are disposed on the plurality of first openings; a backup unit which has a plurality of workpiece supporters; a raising and lowering unit which lifts up the plurality of workpieces from the carrier and returns the plurality of lifted-up workpieces to the carrier; an aligner which aligns the plurality of workpieces in accordance with arrangement of the plurality of pattern holes; an overlapper which relatively moves the backup unit and the mask plate; and a print head which prints a paste on the plurality of workpieces on the plurality of workpiece supporters through the plurality of pattern holes.

The present invention relates to a batch alignment device for screen printers and a batch alignment method using the same, and can simultaneously, collectively, and quickly align multiple printed circuit boards in multiple alignment holes formed in one alignment jig to enable components to be simplified, the weight of a device to be reduced, production process and time to be shortened, and productivity to be improved and, accordingly, enable mass production, and can quickly implement high-quality printing, which corresponds to the alignment jig and a printing pattern of the mask, on the multiple printed circuit boards, simultaneously with completion of the alignment of the multiple printed circuit boards by aligning only the X-axes and Y-axes on the planes of the printed circuit boards in the alignment jig in a state where a mask and the alignment jig are aligned.