SU77680A1 - Sowing frame with sloping plate - Google Patents

Description

The known flat ONE- or double-body sieves with circular motion of sieves have combs for transporting the product along the sieve.

The presence of scallops in the sieve disrupts the process of self-sorting, since at each turn of the sieve all the scallops cut through the product layer into pieces, resulting in the accumulation of the product in the scallops and mixing of all the fractions among themselves. Frequent mixing of all product fractions with each other leads to partial displacement of large shell particles to the surface of the sieve and to the transfer of small sieves to the overlying zone of the product layer, which reduces the efficiency of the sieve in qualitative and quantitative terms.

The sowing frame described below does not have scallops and, due to the presence of an inclined bar, makes it possible to sort the product on a sieve and eliminates the disadvantages indicated above.

A distinctive feature of the proposed frame to the screening is that the plank is tilted by the lower edge adjacent tightly to the tank wall of the frame and tightly fastened to the screening. The height of the bar above the sieve

and its slope to the horizon can be changed to adjust the height of the layer of the product being screened.

In FIG. 1 and 2 shows the proposed frame.

Frame 1 has a strip 2 for transporting the product, adjacent to the longitudinal wall of the sieve frame with one edge. Plank 2 can be lowered or raised over the sieve and secured in the desired position by clamps 3 with the necessary inclination to the horizon.

The surface of the strip 2, reversed to the sieve, is made depending on the type of product, corrugated, wavy or rough.

Instead of a strip, a strip of coarse rough fabric can be applied, one edge of which is attached to the longitudinal wall of the sieve frame, and the second to rod 4. When the lever 5 is rotated on the end of the rod, the fabric strip can be stretched or weakened, which allows the height between the screen and the bottom surface of the fabric.

When the screen is in operation, the product moves in the direction indicated in FIG. 1 by the arrow, along the trajectory determined by the circular translational motion of the sieving, until the friable mass ceases its relative movement, which occurs

walks at each turn, when the product enters the space between the sieve and the inclined bar above it is compressed.

With further rotation of the sieving, when the inertia force of the product receives the direction opposite to the movement of the sieve, the product acquires the I accelerated, the EXITER No. Xu Dz zana; squeeze in a damaged state.

 FIG. one

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Subject invention

Frame-to sieving with an inclined bar, characterized in that the inclined bar adjoins the bottom edge tightly to the side wall of the frame and is fixed to the screening, and the height of the bar over the sieve and its inclination to the horizon can be changed to adjust the height of the layer of the screened product.

FIG. 2

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