Tray feeding device

The invention discloses a tray feeding device which comprises a rack and a supporting and holding platform arranged on the rack; the supporting and holding platform is used for supporting and holdinga material stack formed through sequential stacking of multiple trays; a lifting and placing component and a tray discharging component are mounted on the rack; the lifting and placing component is used for lifting and putting down at least one tray in the material stack; and the tray discharging component is used for driving a non-lifted tray in the material stack to be moved out of the supporting and holding platform. The tray feeding device has the advantages of being compact in structure, easy to manufacture, low in cost and high in working stability. 本发明公开了一种托盘供给装置，包括机架和设于机架上用于托持由多个托盘依次堆叠形成的物料垛的托持平台，机架上安装有用于抬升和放下物料垛中至少一个托盘的抬放组件以及用于驱使物料垛中未被抬升的托盘移出托持平台的出盘组件。本发明具有结构简单紧凑、易于制作、成本低、工作稳定性好等优点。