ZK-2 type group box machine is the corner assembly riveted aluminum alloy rectangular box of special equipment, from the cylinder, cylinder, linear guides and steel assembled, finished laminated components can be achieved after the aluminum components alloy extrusion frame positioning, and then use hydraulic power to aluminum alloy frame fixed in a single device to achieve a group box, aluminum alloy frame fixed to simplify the operating strength of the workers, save time, improve product quality. End for a variety of profiles. Machine structure is rational design, high rigidity, adjustment range, to meet user requirements in different size group box.