High-efficiency punching machine

The invention discloses a high-efficiency punching machine which comprises a work base table, a punching conveying device movably installed on the work base table, and a punching device installed above the punching conveying device. The punching conveying device comprises a conveying sliding plate and a conveying driving part. The conveying sliding plate conducts linear reciprocating movement on the work base table under the drive of the conveying driving part. The conveying sliding plate is provided with a first punching station and a second punching station, wherein the first punching station and the second punching station are provided with feeding installation positioning plates, and first position adjusting clamping blocks and second position adjusting clamping blocks are installed on the feeding installation positioning plates. By means of the high-efficiency punching machine, due to the fact that the punching conveying device with the double punching stations is arranged, an operator can conduct releva