SU1256821A1 - Grain cleaning and sorting machine - Google Patents

Description

The invention relates to the sorting of solid materials, in relation to the sorting of seeds of agricultural crops, and more specifically to grain cleaning - sorting machines, and can be used in agriculture, in the mill and large industry. in other areas of the national economy where it is necessary to separate the mixtures by specific weight.

The aim of the invention is to increase the efficiency of sorting and cleaning the grain material by increasing its zone of loosening in the rotor.

FIG. 1 shows a schematic diagram of a grain cleaning sorting machine, section; Fig. 2 shows a rotor with spikes - rippers and flexible threads attached to them, a section; in fig. 3 is a view A in FIG.

The machine contains a vertical cylindrical non-perforated rotor 4 rotated from the pulley 2 and oscillating from the vibrator 3 with spikes - rippers 5 connected by flexible threads 6, a vertical shaft 7, in the upper part of which is a spreader 8, and in the lower part - a separator device 9 with discharge scrapers 10 for the light fraction, discharge scrapers 11 for heavy scraping, trays 1 2 and 13.

The redistribution process is as follows.

The grain mixture from the spreader 8 enters the inner surface of the rotor 4. Under the action of centrifugal force of gravity and oscillatory movements of the rotor 4 grain mixture moves downward to the separator 9. The passage between the spikes - rippers 5 and interacting with the flexible threads 6, the mixture is self-sorted. Approach the bottom of the rotor, the mixture is split

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the separator 9, the heavy and light fraction are sent to the respective trays 12 and 13.

The intensification of the redistribution process is due to the fact that the layer of the mixture, which is double along the inner surface of the rotor, is loosened not only by the spikes, but also by the flexible filaments, fixed between them.

Thus, the axle-effect of rippers is affected on the entire cross section of the moving mixture layer, therefore, the redistribution process occurs much faster.

An increase in the loosening zone of the flexible yarn on it involves knots, which, being in the moving layer, additionally loosen the layer and contribute to more intensive movement of particles inside the layer. More intensive particle movement leads to more intensive process flow.

redistribution. five

In order to increase the zone of action of the flexible filaments by providing them in a layer, they are fixed on the sheeps, groin - rippers with the possibility of hanging. Threads pulled on spikes without the possibility of sagging affect the moving layer only at the height at which they are pulled. If, however, the threads are fastened with the possibility of sagging, they become able to roll through the entire thickness inside the layer; consequently, the zone of action of the threads is now not just any strip between the spikes, but the entire space between them.

Thus, elastic threads stretched between ripper spikes with knots tied in them and locked with the possibility of sagging the mixture redistribution process, which contributes to increased machine productivity.

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Editor L. Povhan

Compiled by O. Popov Tehred And, Veres

Order 4859/6 Circulation 565 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 1 13035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Proofreader E.Roshko

Claims (3)

I 1. GRAIN-CLEANING AND SORTING MACHINE, including a vertical cylindrical rotor with parallel rows of spikes - rippers installed around the perimeter of its inner surface, a rotor rotation drive, a rotary circular and vertical axial oscillation drive of the rotor, a spreader and a separation device located respectively in the upper and lower parts rotor, characterized in that, in order to increase the efficiency of sorting and cleaning of grain material by increasing the area of its loosening in the rotor, the rotor is equipped with bending with threads fixed between adjacent spikes - rippers in a row. 2. The machine according to claim 1, with the fact that flexible threads are made with nodes. 3. Machine pop. 1, characterized in that the threads are fixed with sagging.