The screw feeder for plastics, rubber, chemical production (feeding, transportation) auxiliary machinery, can be granules, powder or grain flour mixture directly into the hopper or container, such as plastics processing, wire and cable processing feed conveyor applications. The screw drive feeder for plastics processing machinery ancillary equipment required can be powdered or granulated plastic materials automatically delivered to the vessel internal hopper or high-speed mixer, blender and other contact parts are made of stainless steel materials during transportation of raw materials completely free from contamination do not bring any foreign body to make the production process to achieve full closure automation. How it works: the raw material into the hopper, start switch, the material from the bottom of the bin constantly raise up the material by the screw to the discharge port, the system has time setting can be set on a time based on the quantity feeding time. Features: 1, the screw feeder easy to install and can be moved, such as multiple spices machines use the same material, just a platform feeder for feeding simultaneously multiple spices machines, eliminating manual processing of trouble to make feeding work has become safer, more time and more effort. 2, screw feeder reasonable design, easy operation and maintenance, compared with the vacuum feeder, frequent cleaning of the filter can be removed from the troubles. 3, screw feeder adopts international advanced electric motor control components and designer to ensure safe and reliable operation of the system, transmission capacity for a maximum loading capacity of 3 tons per hour. 4, the screw feeder apply a wide range to the powder, plastic pellets, powder mixes, but also on the crusher, can also be used in pharmaceutical, chemical production process of powder pellets pass on the haul. 5, the screw feeder energy consumption, compared with conventional vacuum feeder, the spring-loaded dust feeder, only about one-third.