Cope match -plate pattern height -adjustable's cross cutting machine

The utility model relates to a cope match -plate pattern height -adjustable's cross cutting machine, including organism, cope match -plate pattern and lower bolster, be provided with crank, link assembly, guide pillar, buffer spring and bottom plate in the organism, the motion of drive motor drive motion subassembly is connected through guide pillar and outside four ends of cope match -plate pattern respectively to four ends of bottom plate, link assembly includes the upper end screw in barrel of connecting rod, barrel, lower connecting rod, lower connecting rod, the rackwork includes worm wheel, worm, mechanical code wheel, proximity switch and positioning motor, and the positioning motor is fixed on the bottom plate, and the worm wheel is connected with the lower extreme of lower connecting rod, and the worm sets up and coordinates on the bottom plate and with the worm wheel, and mechanical code wheel setting is on the worm, and the positioning motor is connected through chain and mechanical code wheel, and