The utility model discloses an anti-blocking
sunflower seed blanking device which comprises a fan, a slope channel, a feeding device and a conveying channel, the feeding device comprises a rectangular shell on the lower portion and a rectangular cover on the upper portion, and a feeding port of the feeding device is formed in one side of the rectangular cover; an air inlet and an air outlet of the feeding device are formed in the two ends of the rectangular shell correspondingly. The fan is connected with the feeding device through a slope channel, and the feeding device is connected with the conveying channel through a bent
pipe; an air outlet
pipe is arranged on one side of the slope channel and connected with an air blowing opening in the bottom of the screen underflow outlet channel through a valve and a hose. The feeding device has the advantages that the air flow of the fan is used for feeding, and the air of the fan can be led out to the screen underflow outlet channel, so that the effect of dredging the screen underflow outlet channel is achieved; and secondly, a large number of
sunflower seeds fall into the rectangular shell, air is blown out from the narrow openings to act on the top of the second partition plate and is also blown out from other narrow openings to act on the bottom of the rectangular shell, conveying is accelerated, and accumulation is avoided to affect efficiency.