Machine frame of plywood puttying machine

The utility model discloses a plywood puttying machine rack which is characterized in that an upper rack (2) is connected to a lower rack (1) through an adjustable hinge (3), the upper rack can rotate around a rotating shaft of the adjustable hinge, and the rotating axis of the upper rack can be changed along with the thickness change of plywood; a straight notch (3.4) is formed in the upper rack vertical plate, positioning plates (3.1) are arranged above and below the straight notch, threaded holes are formed in the positioning plates, and adjusting bolts (3.9) are arranged in the threaded holes; a fixed lug plate (3.7) and an auxiliary lug plate (3.8) are arranged on the lower machine frame vertical plate, pin shaft holes of the two lug plates are concentric, a lining (3.3) is arranged in the straight notch, the vertical position of the lining is controlled by an adjusting bolt (3.9), the left-right position of the lining is limited by the two lug plates, and a pin shaft (3.2) is sequentially inserted into