Suitable for raw material handling before the molding process. It plays a role in stirring, homogenizing, kneading, pre-squeezing and so on on raw materials. Effectively improve the plasticity index of raw materials and effectively improve the mixing degree of different raw materials. New design, reasonable structure, easy operation and maintenance. The stirring knife and the grinding knife are made of high wear-resistant materials, which prolong the service life, effectively reduce the replacement frequency and production cost, and have high output value and low energy consumption. It is suitable for the production of porous bricks, thin-walled hollow bricks, large blocks and other brick types.