Flexible polishing apparatus for granulated grains

A flexible polishing apparatus for granulated grains, comprising:

• a housing;
• a feeding device;
• at least one flexible polishing unit;
• a bran discharging device;
• and
• a rice outlet,
• wherein the flexible polishing unit comprises a radial gravity self-flow flexible polishing chamber,
• wherein the feeding device, the flexible polishing chamber and the rice outlet are sequentially arranged from top to bottom along a gravity direction such that the granulated grains are moved through the flexible polishing chamber along a radial direction of a hollow shaft by gravity,
• wherein the flexible polishing chamber is disposed inside the housing;
• the flexible polishing chamber is enclosed by a rice sieve and a baffle;
• a center of the flexible polishing chamber is provided with the hollow shaft;
• the hollow shaft is provided with a flexible polishing member;
• a feeding inlet and a discharging outlet are respectively formed on a top and bottom of the flexible polishing chamber;
• an opening direction of the feeding inlet is along a radial direction of the hollow shaft;
• the hollow shaft is provided with at least one air inlet and a plurality of blow holes that are interconnected with the flexible polishing chamber;
• the hollow shaft is driven to rotate by a transmission device, and
• wherein the flexible polishing member is a polishing brush sleeved outside the hollow shaft;
• the polishing brush comprises a brush base and brushing hair;
• the brush base is fixedly sleeved on a periphery of the hollow shaft;
• the brushing hair is disposed on the brush base;
• the brush base is provided with a plurality of interconnecting holes configured for connecting to the hollow shaft;
• wherein the feeding device comprises a storage hopper and a spreading pipe;
• a bottom of the spreading pipe is interconnected with the feeding inlet of a highest flexible polishing chamber in the flexible polishing unit, so that rice flows into the flexible polishing chamber radially inward with respect to the hollow shaft,
• wherein the flexible polishing apparatus for granulated grains comprises a plurality of the flexible polishing units that are arranged in one or more than one row in the gravity direction;
• the flexible polishing units in one row each comprise more than one flexible polishing chamber.