Punching machine and automatic material-receiving device thereof

The utility model discloses an automatic material-receiving device for a punching machine. The automatic material-receiving device comprises a driving rack, with one end of the driving rack fixedly connected with a slide block of the punching machine and the extension direction of the driving rack in accordance with the moving direction of the slide block, a minor-diameter gear which is disposed on the rack of the punching machine through a rotating shaft and which engages with the other end of the driving rack, a major-diameter gear disposed on the rotating shaft, a horizontally disposed driven rack which engages with the major-diameter gear, and a slide seat which is slidably disposed on a rack of the punching machine, fixedly connected with the other end of the driven rack, provided with a material-receiving trough, and corresponding to a blanking position of the punching machine. By using the automatic material-receiving device for the punching machine, working efficiency of the punching machine can be ra