RU1794397C - Roughage mill - Google Patents

Description

The parts will slide over them, and with an increase in effort they will collapse.

Also known is a cha cutting-breaking machine consisting of a drive feeder, spring-loaded cutting rolls installed with a gap, the surface of one of the rolls being made in the form of alternating longitudinal grooves with sharp edges and radial grooves, and the surface of the other .- from a set in series located riffles with sharp edges and circular knives located against the radial grooves of the first fork.

The machine performs the cutting-breaking of a semi-finished product. The machine is not suitable for grinding stiff stalks such as corn: when stiff and viscous stems get into the working area, the riffles slide along their smooth surface, and break when the pressure increases. :.

It is an object of the invention to increase operational efficiency. :

To this end, in a device comprising a housing, feed and grinding rolls installed with a gap and spring-loaded to grind the distance between their centers of rotation and the pressing force of crushing and. rupture of stems along the surface of each of the rolls, beveled sections are provided that are adjacent to the circumference of the roll, forming inclined walls and cutting edges at the point of mating along the entire length of the roll, while the cutting edges of the feed roll are clockwise and the cutting edges of the roll chopping - counterclockwise.

Thanks to that on the surface. mowing areas are provided that are mated to the surface of the roll, forming walls inclined to the vertical at the mating site, fodder plants with a rigid stem, for example corn, falling onto the feed roll, are laid on the mowed, surface areas of the roll, being fixed and delayed due to inclined to the vertical: walls. / L.;,:; .V: X; -,:.

In the process of rotation of the grinding roll, the cutting edges, raid on the stems, destroy the surface solid film and tear, absorb the fibers, which ensures subsequent high-quality pressing of the silage mass, its preservation and efficient use.

The corn stalks thus treated become suitable for feeding livestock and high quality digestion thereof.

In FIG. 1 shows a general view of the device; in FIG. 2 is a section AA in FIG. 1; on fig

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5

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3 - node I in FIG. 2 (feed roll surface); in FIG. 4-node II in FIG. 2 (grinding roll surface).

The device according to the invention comprises a housing 1, on which a feed roller 2 and a grinding roller 3 are mounted, installed with a gap and spring-loaded by means of a clamping device 4 for changing the distance between their centers of rotation and the pressing force of crushing and breaking of the stems.

Rolls 2 and 3 are removable, beveled sections 6 are provided on the working surface 5 of each of the rolls 2 and 3, mating with the working surface 5, the walls 7 inclined to the vertical and cutting edges 8, while the cutting edges 8 of the roll 2 are clockwise arrow, and the edges 8 of the grinding roll 3 - counterclockwise.

The pitch between the cutting edges 8 is selected depending on the type and size of the crushed plant materials.

To drive the rolls 2 and 5 3, a drive mounted on the housing 1 is provided, consisting of an electric motor 9 connected via a V-belt drive with sprockets 10 fixed to the rolls of the shafts 2 and 3.

A conveyor (not shown) is located in the lower part of the housing 1 for transporting the ground mass to a mixer (not shown).

The device operates as follows.

The green mass with the inclusion of hard fractions, for example stalks, ears and corn kernels, is fed by a loader (not shown) to the rotary roll 2 of the feed 0 of the device.

Fine fractions (leaves and thin, soft stems) due to the rotation of the roller 2, without delay, through the gap between the rollers 2 and 3, fall on the conveyor. Rigid stalks and cobs with the remaining corn grains fall: they are laid on the chamfered sections 6 of the roll 2, are held by the walls 7 inclined to the vertical and, thanks to the bevel, are pressed against them, and the cutting edges 8 are turned towards the roll 3, run over them. tear the dense surface of the stalks, ears and grains of corn, while the working surface 5 of the roll 3, pressing on the destroyed stems and ears, flatten them.

Due to the counter rotation of the feed roll 2 and the grinding roll 3 and the difference in their rotational speeds, the hard fractions of the corn are completely flattened.

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The crushed mass through the gap between the rollers 2 and 3 falls on the conveyor, feeding it into the mixer for further processing.

The proposed device is compared with the prototype, providing a grinder. Formula 1. The device for grinding coarse feed, comprising horizontally mounted on the body parallel to each other with the possibility of counter rotation of the feed and grinding rollers, having surfaces made in the form of alternating longitudinal grooves with cutting edges and recesses, clamping device, and drive, characterized in that, in order to increase work efficiency, each recess in the cross section of the roll has intersecting At an obtuse angle and the formation of coarse stalks (and ears of corn) of corn, increases the efficiency of their use as a feed base and improves the quality of pressing and storage of silage.

at the intersection, the beveled and inclined sections are of different lengths, while the cutting edges are formed at the intersection of the inclined sections having a shorter length and the sections of the cylindrical surface forming the outer surface of the roll reef, and face in the direction of rotation of the rolls.

2. The device according to claim 1, wherein the feed roll is rotatably mounted with a frequency less than the rotational speed of the grinding roll.