Vibrating feeder, also named vibratory feeder, vibrating grizzly feeder, feed grizzly, ore vibrating feeder, is a kind of linear direction feeding equipment. It features smooth vibrating, reliable operation, long service life and being suitable for feeding. They are widely used in mining, building-material, silicate and chemical industry in the crushing and screening plants. In the Sand-Stone production line, a vibrating feeder can send materials to crusher evenly and continuously and at the same time, it can screen materials roughly. It can also be used in metallurgical industry, coal mining industry, mining-selecting, building, chemical and grinding industry, etc.
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In vibrating feeder, the hopper scoop the materials sent in from the feed inlet by its own. If the location of the feed inlet is too low, most of the materials will enter in to the engine base before the hopper could scoop the materials, resulting in the failure of hopper scooping materials. Thus the materials will easily become a massive, and then cause deformation and detachment of the hopper. When this phenomenon occurs, workers should adjust the location of the feed inlet. In addition they can also change the materials of the hopper, and select high-quality materials to make the hopper. The usually seen hoppers are made of ordinary steel or galvanized sheet metal welding, folding or involving in the lead wire to enhance the strength of the hopper.
Vibrating Grizzly Feeder Working Principle
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AGICO CEMENT vibrating grizzly feeder is driven by an electric motor and uses a dual eccentric shaft exciter connected by a V-belt to generate a synthesized linear excitation force, thereby forcing the entire unit to vibrate on supporting springs. When the material enters the hopper, vibration serves as the driving force, causing the material to slide and throw inside the hopper, gradually moving forward and achieving the goal of continuous and uniform feeding.
The two eccentric shafts of the vibrating feeder are connected by a pair of gear pairs with a transmission ratio of 1, ensuring that the two shafts rotate at the same speed and in opposite directions. Due to the equal eccentric mass and eccentricity on both shafts, the inertial forces generated during rotation cancel each other out in one direction and superimpose in the other direction, forming a stable directional excitation force that causes continuous vibration of the feeding tank body rigidly connected to the exciter.
When materials pass through the chute, smaller particles can fall directly through the gaps between the grizzly bars on the chute, avoiding entering the subsequent crushing process and playing a pre screening role. This design fully ensures the efficient operation of downstream crushing equipment, avoids unnecessary material processing steps, and further enhances the processing capacity and efficiency of the entire crushing line.
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