The present invention relates to a punching apparatus in which a drain passage for guiding the waste generated by punching to be discharged by air and a blade for cutting a workpiece are integrally formed in a metal mold. The punching apparatus provided with the knife mold according to the present invention includes an upper body 100 and a lower body 200 which are installed at opposite positions to each other; A lower mold 210 provided on the upper side of the lower body 200 and slidably installed forward and backward; A lower rail 220 provided on the lower body 200 and supporting the lower mold 210 to slide back and forth; A knife 300 provided on the lower mold 210 for piercing the material; An upper support 110 provided below the upper body 100 for fixing the knife 300; And discharging means provided at one side of the knife mold 300 for forcibly discharging the material waste generated by the punching operation of the knife mold 300. According to the present invention as described above, there is an advantage that the working efficiency is improved and the continuous strokes can be performed.
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