Paste feeder

The utility model discloses a paste feeder which comprises a storage tank, a stirring mechanism and a feeding mechanism, and is characterized in that the feeding mechanism comprises a feeding pipe, a feeding block, a large cylinder body, a small cylinder body and a feeding rotating shaft, and the feeding pipe is communicated with a discharge port of the storage tank and an inlet of the feeding block; an outlet of the feeding block is communicated with a feeding port in one side of the large cylinder body, a lower port of the small cylinder body is communicated with a material taking port in the upper end of the large cylinder body, a piston is arranged in the small cylinder body and provided with a double-stroke lifting power source in a matched mode, and the feeding rotating shaft is rotatably arranged in the large cylinder body and provided with an intermittent rotating power source in a matched mode. The feeding rotary shaft can selectively communicate the feeding port of the large cylinder body with the m