SU1653592A1 - Sorting device - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to agricultural machinery. The purpose of the invention is to increase productivity by cleaning the sorting surface. Sorting device contains a feed conveyor 1, transport board 2. rigidly connected with string sieve 7, and unloading conveyors 8-10. The cleaning rollers 4 are installed under the string sieves, the axis of which is located in the guides and the wings 3. The rollers oscillate from the eccentric 12 connected kinematically to the wings 3. The rollers 4 and the sorting surface are driven from one shaft with eccentrics. The incoming mass is fed to string sorting devices and when shaken, they are divided into fractions. Irregularly shaped tubers that linger on the sorting surface are pushed by the rollers. 4 hp f-ly, 1 ill.

Description

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This invention relates to an agricultural machinery industry and is intended for sorting of root and tuber crops.

The purpose of the invention is to increase productivity.

The drawing is a schematic diagram of the sorting device.

The sorting device contains a loading conveyor 1, a transport board 2 rigidly connected to the screening sieve surface, backstage 3, wiper 4 rollers, string stabilizing screws 5, guide rollers 6, string sieves 7, discharge conveyors 8-10. connecting rods 11 and eccentrics 12.

Transport board 2 is mounted above the top sieve and rigidly attached to sieves 7. Rollers 4 are mounted on guides 6 and wings 3 with freedom of movement

in them and along the string sieves, and the guides of 6 rollers with the possibility of a tight fit of the surface of the rollers to the string surface. The surface of the rollers is covered with porous rubber. The eccentrics of the drive of the sorting surface and the wings are located on the shaft with the possibility of antiphase movement of the rollers and the sorting surface. The strings are located on sieves diverging to the output of the device. The maximum distance between the strings at the outlet is up to 10 mm. The connecting rods 11 are adjustable in length.

The device works as follows.

The sorting mass of the loading vane conveyor 1 is fed to the transport board 2, which, together with the sieves 7, performs a reciprocating

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body movements, due to which the mass in a uniform layer enters the upper sieve, from which large tubers roll at an angle to the discharge conveyor 8. Tubers of small and medium fractions, falling through the strings of the upper sieve, fall onto the second sieve, from where the middle fraction rolls onto the discharge conveyor 9, and the chalk goes to the gatherings on the conveyor 10.

During the passage of string sieves, tubers of irregular shape hang between the strings, preventing rolling of subsequent tubers. To eliminate the process of mass accumulation and pushing the tubers out of the interstitial space, the cleaning rollers, which are driven back and forth by the connecting rods and eccentrics, pass under the strings, pushing the wedged tubers up into the flow of the tubers on the unloading conveyor.

The use of the transport board 2 ensures the uniformity of the layer of the mass delivered to the sorting, and the rollers contribute to the continuous automatic cleaning of the interstitial space mainly from irregularly shaped tubers, thereby reducing the damage to the tubers, increasing the sorting process and throughput of the device.

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Claims (5)

1. A sorting device containing grating sorting surfaces, loading and unloading conveyors, a vibrating drive of the sorting surface, characterized in that, in order to increase productivity, it is equipped with ejector rollers-cleaners installed under the sorting surface, having a drive made a link, kinematically connected with the vibratory drive of the sorting surface, with the axis of each roller placed in guides and in the corresponding slide. 2. Pop-1 device, characterized in that the sorting surface is made in the form of tensioned strings with an increasing distance between the strings from the beginning to the end of the sieve. 3. Pop 1 device, characterized in that the surface of the roller is covered with an elastic material. 4. The device according to claim 1, characterized in that it has a transport board above m in front of the upper grid surface, which is rigidly connected to it. 5. Pop-1 device, characterized in that the drives of the rollers and the grating grating surface are made with the possibility of reciprocating movement in antiphase.