Circulating feeding mechanism

The utility model discloses a circulating feeding mechanism which comprises a support, an installation flat plate is arranged on the support, a feeding mechanism is arranged on the left side of the installation flat plate, ten installation supports are arranged on the right side of the installation flat plate, and ten conveying mechanisms used for conveying materials are arranged on the installation supports. The feeding mechanism comprises six fixing plates which are fixedly arranged on the mounting flat plate and evenly distributed at equal intervals, eight fixing blocks are fixedly arranged between every two adjacent fixing plates, two first rectangular pipes are fixedly arranged between the fixing blocks, various materials can be conveyed at the same time, and the conveying efficiency is improved. And after part of the materials on the upper-layer belt are taken away, the remaining part of the materials can smoothly fall onto the lower-layer belt and then are conveyed to a starting point, simultaneous cir