Patent ID: 8534985

Claim:
A feeding device, comprising: a support mechanism; a movable platform movably connected to the support mechanism, and loading a plurality of feed trays stacked together thereon; a driving mechanism driving the movable platform to move relative to the support mechanism; a clutching mechanism clutching the feed trays one by one; at least two holding mechanisms fixed on the support mechanism, wherein when the at least two holding mechanisms are positioned in a first position, the at least two holding mechanisms grasp one feed tray adjacent to a feed tray at a top of the feed trays, and the clutching mechanism clutches the feed tray at the top of the feed trays; when the at least two holding mechanisms are positioned in a second position, the at least two holding mechanisms separate from the feed trays; wherein the feed tray defines at least two first positioning grooves in a first side, and at least two second positioning grooves in a second side opposite to the first side, the at least two first positioning grooves and the at least two second positioning grooves are not aligned in straight lines, each of the at least two holding mechanisms comprises a cylinder and two positioning assemblies elastically connected to the cylinder, when the two positioning assemblies are driven by the cylinder to move towards the feed tray in the first position, one of the two positioning assemblies of each holding mechanism engages in the first positioning groove or the second positioning groove, and the other one of the two positioning assemblies of each holding mechanism elastically resists a side surface of the feed tray in the first position.