Combined cleaning equipment of raw grain air sieve
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A technology of cleaning equipment and air screen, which is applied in the direction of filter screen, solid separation, grille, etc., can solve the problems of increasing storage, processing, logistics costs, inability to separate out, difficulty in grain storage, and processing, so as to maintain health and The effect of safe production, guaranteed strength, and avoiding impact damage
Inactive Publication Date: 2012-05-09
JILIN BRANCH CHINA GRAIN RESERVES CORP +1
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Problems solved by technology
Cylinder primary cleaning sieves, vibrating grading sieves, etc. cannot completely separate the straw segments, cores, stick shells, and seedlings from raw grains such as wheat, rice, corn, and soybeans, which brings considerable difficulties to grain storage and processing. Increased storage, processing, and logistics costs
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Embodiment 1
[0027] Embodiment one: see Figure 1-4 In the figure, a raw grain air sieve combined cleaning equipment includes a frame, a winnowing screen, a crank linkage mechanism, a blowing system, a transmission system, a dust collection hood, a vibrating grading screen, and a light miscellaneous screw conveyor; the blowing system It includes a bellows, a blower rotor, and a grille. The transmission system includes a motor, a belt, and a pulley. The dustpan-shaped trough is a dustpan-shaped trough, and scale holes are distributed on the bottom plate. There is an angle between the bottom surface of the dustpan and the horizontal plane. α, the winnowing screen is connected to the frame through the support rocker to form a four-bar linkage mechanism, and the crank linkage mechanism drives the four-bar linkage mechanism to form a crank four-bar linkage mechanism; the front end of the winnowing screen corresponds to the entrance of the vibrating grading screen , there is an included angle β ...
Embodiment 2
[0028] Embodiment two: see Figure 5 , The difference between the second embodiment and the first embodiment is that the dust outlet on the cover is connected to the dust collector with the induced draft fan through a pipeline, and other parts of the structure are the same as the first embodiment.
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Abstract
Combined cleaning equipment of a raw grain air sieve comprises a framework, a winnowing sieve, a crank and connecting rod mechanism, an air blast system, a transmission system, a dust collection cover, a vibration classifying sieve and a spiral light impurity conveyer. The winnowing sieve is a dustpan type groove, an included angle alpha is formed between the bottom of the winnowing sieve and the horizontal plane, the winnowing sieve, a supporting rocking bar and the framework form a four-bar linkage, the crank and connecting rod mechanism drives the four-bar linkage to form a crank four-bar linkage, the front end of the winnowing sieve corresponds to an inlet of the vibration classifying sieve, an included angle beta is formed between the bottom of the vibration classifying sieve and the horizontal plane, the rear end of the winnowing sieve corresponds to an inlet of the spiral light impurity conveyer, the transmission system is connected with a rotor of an air blower, the crank four-bar linkage and the spiral light impurity conveyer by belts, the air blast system is arranged under the winnowing sieve, the rotor of the air blower is mounted in an air bellow, the air bellow is connected with the winnowing sieve via flexible materials, the dust collection cover covers the winnowing sieve, the spiral light impurity conveyer, the air blast system, the transmission system and the crank four-bar linkage, and a grain inlet and a dust discharge opening are arranged on the upper portion of the dust collection cover. The combined cleaning equipment is high in yield and impurity removal rate.
Description
technical field [0001] The invention relates to the technical field of grain cleaning and impurity removal equipment, in particular to a combination cleaning equipment of raw grain air sieve. Background technique [0002] In recent years, combine harvesters or threshers are mostly used for grain harvesting. When harvesting, wheat and rice straw are harvested and collected together with wheat seedlings, rice seedlings, and rice heads. Although the combine harvester or thresher separates the straw, the raw grain The content of straw segments is still high; corn threshing has also been replaced by mechanical threshers, and corn raw grains contain a large amount of corn cob shell fragments. Existing cleaning equipment: Grain winnowing machine can only separate the stalks and seedling leaves in the raw grain, but it can't do anything to the core, rod shell, large and heavy impurities in the raw grain. Cylinder primary cleaning sieves, vibrating grading sieves, etc. cannot co...
Claims
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Application Information
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