Semi-automatic wallpapering equipment

The invention discloses semi-automatic wallpapering equipment. The semi-automatic wallpapering equipment comprises two triangular side plates, gears, screw rods and pressing plates, wherein the two triangular side plates are arranged in parallel; the inner walls of the two side plates are each provided with three hollow cylindrical lug bosses; the cylindrical lug bosses correspond to each other two by two to form three groups of which the axes are overlapped; the outer walls of two groups of the cylindrical lug bosses are each rotationally provided with one gear in a sleeving manner; the two gears close to the same side plate are engaged with each other; one end, far away from the side plate, of each gear is further fixedly provided with a hollow fixed cylinder; the screw rods include a first screw rod, a second screw rod and a third screw rod, wherein the first screw rod penetrates through the side plates and the third group of cylindrical lug bosses; the second screw rod and the third screw rod correspondin