Patent ID: 8142066

Claim:
A mixing device for synthetic leather to joint with a solid powder material, comprising: a material mixing unit comprises a mixing body and at least two feeders; the mixing body being connected with the feeders and having a mixing chamber therein which is intercommunicated with the feeders; the mixing chamber being provided with a screw therein; the screw being connected with a motor; a stirring and conveying unit connected with the material mixing unit; the stirring and conveying unit having a stirring and conveying chamber therein which is intercommunicated with the mixing chamber; the stirring and conveying chamber being provided with a screw therein; the screw being connected with a motor; the stirring and conveying unit further having a material inlet; the stirring and conveying unit further comprises a guide tube and an air cylinder; the guide tube having an open end connected to the material mixing unit; the guide tube being formed with the material inlet at a circumferential side thereof and the stirring and conveying chamber therein which is intercommunicated with the material inlet; another end of the guide tube being connected to the air cylinder; the air cylinder being further connected with the motor of the stirring and conveying unit; the motor of the stirring and conveying unit being connected with the screw of the stirring and conveying unit; and the screw of the stirring and conveying unit being inserted through the air cylinder and the guide tube.