When the spiral shaft rotates, due to the gravity of the material and the friction generated by the tank wall, the material can only move forward along the bottom of the conveyor under the push of the blade, as if the nut can not be rotated along the rotating screw for translation movement. Material in the middle bearing
The movement relies on the thrust of the material moving forward. Therefore, the delivery of materials in the conveyor is completely a sliding movement. In order to make the spiral shaft in a more favorable tension state, the driving device and discharge port are generally placed on the same end of the
conveyor, and the feed port
Try putting it near the tail on the other end. The material is transported by rotating spiral blades, The force that keeps the material from rotating with the blades of the screw conveyor is the material's own weight and the frictional resistance of the screw conveyor shell to the material. The surface shape of the blade is real according to the different conveying materials
Face type, belt type, blade type and so on. The screw shaft of the screw conveyor has a thrust bearing at the end of the direction of material movement to give the screw axial reaction with the material. When the captain is long, Intermediate hanging bearings should be added. Screw machine is widely used in building materials, chemical industry,
Power, metallurgy, coal coal, food and other industries, suitable for horizontal or inclined conveying powder, granular and small bulk materials, such as coal, ash, slag, cement, food, material temperature is less than 200℃. Screw machine is not suitable for conveying metamorphic, viscous, easy to caking material.
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