SU1402378A1 - Arrangement for screening materials - Google Patents

Abstract

The invention relates to the separation of bulk mixtures by size and m. used in the mining industry. The purpose of the invention is to improve device performance and sifting efficiency. The screening surface of the device is formed by rows of rods (C) 1. The latter are installed at an angle to the horizon, cascaded over each other and secured console on rails 2 by means of clamping strips 3 and screws 4. This allows changing the gap between С 1 of each p yes To the ends of the rails 2 attached axis 5 with thread. The axles 5 are installed 1Y in the vertical grooves of the legs of the frame 6 and fastened with nuts 7. This allows the inclination angle C 1 to the horizontal, the number of rows C 1 and the step size between rows C 1 to vary. On the frame above C 1 on the frame The loading device is installed. Under C 1, a separation product receiver is installed in the form of a rectangular case with perpendicular C 1 partitions arranged perpendicularly. The mixture gets on С 1, under the action of its own mass passes between С 1 and gets into the receiver. The size of the fractions in the latter increases from the loading point to the ends of the C 1. 1 Cp. f-ly, 2 ill. i SP

Description

The invention is intended to separate bulk mixtures by size and may find application in the mining industry,

The purpose of the invention is improving the device performance and screening efficiency.

FIG. 1 shows a diagram of a sifter; in fig. 2 - BJW A in FIG. one.

The device for sifting materials includes a frame, a screening surface formed by rows of rods by increasing the fraction of fractions from the loading point to the free ends of rods 1, and the separation is carried out into several fractions of boundary sizes, equal to the width of the gap between the rods 1, and significantly smaller than this gap.

The device allows you to adjust the parameters of the separation process mixtures with different characteristics with a minimum number of rearrangements of the structure

1, cantileverly fixed on rejj P change the conditions of sifting and

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kakh 2 by means of strips S and screws 4, rows of rods are installed at an angle to the horizon, cascaded one above the other. To the ends of the rails 2 attached axis 5 with thread. The axles 5 are inserted into the vertical grooves of the uprights 6 and fastened to them with the help of nuts 7. A bunker 9 s is installed on the ARROW 8 of the frame and can be moved along them, equipped with a shutter 10. Under the rods 1 25 the receiver 11 is installed in the form of a pr a carbon box with partitions 12 installed perpendicular to the rod 1.

Fixing the rods 1 on the rails 2 by means of a detachable connection (straps 3 and screws 4) allows the gap between the rods to be varied in a row. Fixing the rails 2 on the uprights 6 with the help of axles 5 and nuts 7 allows you to change the angle of inclination of the rods 1 35 to the horizontal, the number of rows of rods 1, the pitch between the rows of rods T. The fastening of the bunker 9 with the possibility of its movement along the rods 1 allows does not determine their optimal length. A change in the size of the outlet of the hopper 9 by the shutter 10 permits the optimal throughput of the sieve to be adjusted.

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Claims (2)

1. A device for sifting materials, comprising a frame, a screening surface formed by rows of rods, cantilever-mounted on the transverse rails of the frame at an angle to the horizon and installed cascade over each other, a loading device, a receiver of separation products in the form of a rectangular baffle box, installed perpendicular to the cantilever rods, characterized in that, in order to increase the device performance and the sifting efficiency, the sifting device is equipped with the way to change the gap between the rod of each row and the guide pin on the frame above the pros-ing surface, and the frame stands are made with vertical grooves, each row of rods being installed with the possibility of changing the angle of inclination and retraction in the grooves of the frame rack by threaded axles attached to the ends of the rails, and nuts, size A device for sifting loose axles at the ends, with this material, works as follows. The material to be screened is fed into the feed hopper 9, then gets onto the screening surface, between the rods 1 of which the mixture passes under its own weight and falls into the receiver 11 of the separation products. In receiver 11 and along the bars 1, a mixture of 55 strips and bolts. P change in screening conditions and change of the processed material. Invention Formula 1. A device for sifting materials, comprising a frame, a screening surface formed by rows of rods cantilever-mounted on the transverse rails of the frame at an angle to the horizon and installed cascade over each other, a loading device, a receiver of separation products in the form of a rectangular box with partitions installed perpendicular to the cantilever rods, characterized in that, in order to increase the device performance and sifting efficiency, the sifting device is equipped with the method for changing the gap between the rod of each row and the guide fixed on the frame above the prosetting surface, and the frame legs are made with vertical grooves, each row of rods being installed with the possibility of changing the angle of inclination and retraction in the slots of the frame racks by means of threaded axles attached to the ends of the rails and nuts placed on the ends of the axles, with this The load device is mounted for movement along a guide along the screening surface and is made in the form of a bunker with a gate. 2. The device according to claim 1, characterized in that the device for changing the gap between the rods is made in the form of a clamping V. eight t W / Woooo Fig1