Automatic material conveying device

The utility model provides an automatic material conveying device which comprises a plurality of material bins, a plurality of conveying devices and a plurality of conveying devices. A feeding pipeline; a plurality of material distributing channels are arranged in the material distributing component, and the plurality of material distributing channels communicate with the feeding pipelines in a one-to-one correspondence manner; the material distributing component is provided with a feeding cavity, one end of the feeding cavity communicates with all the material distributing channels, and the other end of the feeding cavity communicates with the feeding pipeline. At least part of the switch component is movably arranged in the material distribution channel, so that the material distribution channel is opened or closed; the number of the switch components is multiple, the multiple switch components and the multiple material distribution channels are arranged in a one-to-one correspondence mode, and any one of t