Automatic buffering device for slide way

The utility model relates to the field of buffering devices, in particular to an automatic buffering device for a slide way. Comprising a feeding groove and a discharging groove, a groove hole is formed in the lower end of a bottom plate of the feeding groove, a vertical lug plate is fixed to the position, on the left side of the groove hole, of the bottom plate of the feeding groove, a transverse supporting plate is hinged to the lug plate, a transverse supporting rod is fixed to the left end of the supporting plate, a supporting plate parallel to the lug plate is arranged on the left side of the lug plate, a vertical long groove is formed in the supporting plate, and the supporting rod penetrates through the long groove; a baffle is arranged in the lower end of the feeding groove, the upper end of the baffle is hinged to the feeding groove, and the middle of the baffle is connected with the upper end of a bottom plate of the discharging groove through a spring. The flour bag feeding device is simple in stru