SU435868A1 - CYLINDRICAL TRIER - Google Patents

Description

one

The invention relates to machines for separating grain mixtures by particle length.

A cylindrical Trier is known, containing a drum, inside which an endless mesh is installed, a feeding device, pressure rollers, a pressure roller and a brush reflector.

In order to increase productivity and reduce power consumption by increasing the degree of filling of the ribbon cells, the feeding device consists of a rotating roller encased in a casing and snibi, guided by a visor and a cutter, and a screw conveyor. The roller surface is perforated, for example, cellular; the roller drive is made in the form of a kinematic link associated with the inner surface of the drum, the guide visor has a cylindrical shape and is set so that the tangent to its output edge is parallel to or tangential to the tape surface angle, and the cutter is adjustable in height.

In the drawing The schematic diagram of the proposed Trier.

Trier contains: drum 1, inside which are installed an infinite mesh tape 2; rotary brush selector 3, receptacles 4, 5, respectively, for the long and short fraction; clamping rollers b;

a pressure roller 7 and a feeding device, made in the form of a rotating roller 9 enclosed in a casing 8, provided with a guide visor 10; a cutter 11 and a speck conveyor made of pipe 12 and screw 13.

The drum 1 is mounted on the support rollers 14 and is driven into rotation from the pulley 15 of the drive mechanism through the V-belt 16.

The length of the feeding roller 9 corresponds to the working width of the belt 2. It can be made of plastic or rubber and have a groove or cell on the outer surface. The roller 9 is driven into rotation from the drum 1 through the kinematic link 17, which is installed on the roller axis and constitute the internal engagement (toothed or friction) with the drum. For this, one of the ends of the drum must have an annular protrusion inward with teeth or smooth, corresponding to the execution of the link 17.

A roller 9 is installed in a casing with a gap, the size of which is less than the thickness of the small components of the grain mixture to be divided. The guide visor 10 has a cylindrical surface and is installed so that the tangents to the lower edge of the visor and the cellular tape in the zone of the minimum gap between them should be parallel or make a small angle. The cutter 11 is made of elastic material and can be moved up and down, i.e. it is possible to change the size of the gap above the roller in order to regulate the feed of the grain mixture to the cellular tape.

The housing 8 and the visor iU form between chamber 12 and roller 9 a chamber A for the initial grain mixture.

At the end of the pipe opposite the load, there is a window to exit the excess mixture.

In order to prevent injuries to the seeds from hitting the channels 4 and 5, their receiving sides have cylindrical surfaces.

Trier works following; im image.

The grain mixture from the receiving hopper enters the end of the pipe 12. Screw 13 transports the mixture in the pipe, which simultaneously spills over the spruce, spruce into chamber A and fills it evenly.

Balik 9, vrsh, and ss, with its working elements (grooves or cells) scoops up particles of the grain mixture and feeds them to the guide, its visor 10 in an even layer.

The visor directs the grain flow so that when it exits, the trajectory of the layer of grains is close to the tangent to the cellular surface. . At the same time, the flow rate of the grains at the moment of contact of the cellular surface is close to or different to the peripheral velocity of the cylinder.

The particles of the mixture, having touched the cellular surface, instantaneously acquire the speed of movement of the cylinder and, under the action of centrifugal force of considerable magnitude, intensively sink into the cells.

Located in the cells, the grains are carried away upwards.

When the brush reflector 3 is reached, the long components are knocked out of the cells and are caught by the groove 4, forming a fraction B, and the short components pass under the brush of the reflector and out of the cells in the deflection zone of the cellular surface and enter the groove 5, forming the fraction G.

Thus, the proposed Trier allows:

1. To increase the degree of filling of the cells, so

how the particles of the mixture will not be reflected from the cellular surface.

2. Significantly reduce the power required for the drive of the cylinder and the brush reflector.

3. To facilitate the work of the brush reflector and the removal of long components of the mixture.

4. To increase the angular velocity of the cylinder, and hence the performance.

5. At high speeds of the cylinder, there will be no injury to the seeds, since the cyclic (reusable) impact of the brush reflectors is eliminated.

Subject invention

Claims (5)

1. A cylindrical triremer containing a drum, inside which an endless mesh is installed, a feeder, pressure rollers, a pressure roller and a brush reflector, characterized in The feeding device consists of a rotating roller encased in a casing and supplied with a visor and a cutter, and a screw transnorter. 2. A trier according to claim 1, characterized in that, in order to ensure the continuity of the layer and the uniformity of supply, the surface of the roller is perforated, for example, cellular. 3.Trier according to claim 1, characterized in that the drive of the roller is made in the form of a kinematic link associated with the inner surface of the drum. 4.Trier "according to claim 1, characterized in that the guide visor has a cylindrical shape and is installed so that the tangent to its output edge is parallel to the tangent to the surface of the tape or makes an acute angle with it. 5. A trimmer as claimed in Claim 1, characterized in that, in order to control the thickness of the feed mixture layer, the slam-shut is made adjustable in height. 614 12 15