Punching machine for air conditioner hardware machining

The punching machine for machining the air conditioner hardware comprises a base, a top frame is arranged on the top of the base, a hydraulic cylinder is installed on the top of the top frame through an installation base, the output end of the bottom of the hydraulic cylinder is connected with a punching needle, a containing groove is formed in the top of the base, and a punching table right opposite to the top frame is placed in the containing groove. Adjusting blocks located on the two sides of the punching table are installed in the containing groove, the punching table and the adjusting blocks are staggered in a high-low mode to form steps, a hardware plate is placed on the punching table in an attached mode, the concave face of the hardware plate is attached to the adjusting blocks, and a discharging groove is formed in the punching table; an adjusting assembly capable of moving the relative distance between the two adjusting blocks is installed on the base, side pressing assemblies are symmetrically arr