Quick positioning type automatic conveying device

The utility model discloses a rapid positioning type automatic conveying device. The device comprises four support frames, the top ends of the four supporting frames are fixedly connected with the four corners of the bottom end of the workbench. A cross rod is fixedly mounted between every two adjacent supporting frames; sliding rails are fixedly installed on the two sides of the top end of the workbench correspondingly, the sliding ends of the two sliding rails are slidably connected with sliding blocks correspondingly, the two sliding blocks are fixedly connected with the two sides of the bottom end of a supporting plate, a groove is formed in the middle of the top end of the supporting plate, an infrared induction switch is fixedly installed in the groove, and fixing frames are fixedlyinstalled at the two ends of the two sides of the workbench correspondingly. According to the quick positioning type automatic conveying device, lifting of the electric telescopic rod is controlled through the infrared induct