SU1528380A1 - Mincing apparatus for forage harvester - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to agricultural machinery, in particular to the grinding apparatus of forage harvesters. The aim of the invention is to increase the content of crushed grains while grinding corn and full ripeness without reducing capacity. The grinding device contains a drum 1 with knives 2 enclosed in a casing 3 of a shear plate 4 mounted coaxially with a blade pneumatic knuckle, including a conical oltor 6, on which blades 8 are fixed. in the direction of the drum 1. Corn grains, colliding with the fluted beams 9, are crushed and thrown to the casing 10, and thrown through the discharge neck 12 into the silo duct. 1 hp f-ly, 3 ill.

Description

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FIELD OF THE INVENTION The invention relates to agricultural machinery, in particular to the grinding apparatus of a forage harvester.

The aim of the invention is to increase the content of crushed grains during grinding of wax and full-cut corn without reducing the throughput.

FIG. 1 shows the grinding apparatus, side view, section; in fig. 2 - aprofile block, view from the side of the drum; in fig. 3 - rotor pnevmoishyr lki, side view.

The device contains a drum 1 with knives 2, enclosed in a casing 3, opposite the cutting base 4, a discharge tray 5 and a pneumatic joint, including a conical rotor 6, on which blades 7 are fixed to the blades 7. The surface of the rotor 6 installed coaxially with the axis rotation, the pneumoons are equipped with grooved beams 9, exchanged in concentric rows with a constant circumferential diameter and radially relative to the axis of rotation. The pneumatic valve is enclosed in a cylindrical casing 10, equipped with a loading 1 1 and unloading 12 ports. Sharp-angled rifles 13 balsj 9 are located in oblique rows on the face facing the drum and form an acute angle with the lateral surface of the beams. The syringes; 1nens are in the form of slats, for example, of a triangular shape and can be made from cia. ii, Horo sheet of the method of cutting through (ntakpkovki) with simultaneous stretching it into a cone, zakonlenny on the outer surface of the rotor 6.

Nsme.pushchayuschiy apparatus works as follows () b 1az.

(corn cobblers with corn cobs are crushed with knives 2 of drum 1 and with the help of tray 5, which are closed at the top, U-guided through the load in the direction of the vector of the corn kernel, grooved by the flute 13 of the beams 9. where it is picked up by the blades 8 and thrown through the discharge neck 12 into the silo duct.

Radial overlap With beams 9 adjacent circles eliminates the impact of grains with a smooth surface of the rotor 6. Sizes ba. yuk and their average circumferential iiiar are selected according to the size

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corn kernels. The orientation of the beams with the working surface towards the drum provides a frontal impact of the particles on the sharp edges of the flute 13 and the greatest splitting effect. The arrangement of the beams in concentric circles with a constant circumferential spine allows them to evenly cover the surface of the cone and to ensure uniform dispersion of the comminuted material. The larger the radius R of the circumference of the cone, the more painful the angle os of the deviation of the vector Va of the absolute particle velocity noc.ie of collision with p1 flanged beams, i.e., the device's carrying capacity is higher, therefore, with the given dimensions of a pneumatic surface, the loading neck 11 and the diameter of the base of the conical rotor 6 should be maximized. The slope of the flute relative to the beams at an acute angle allows for an increase in the scattering efficiency of the material to increase the progressed ability.

Thus, the supply of the conical rotor gp1evmo1 1vrki corrugated beams, spacing, concentric rows and radially relative to the axis of its rotation, with constant circumferential schagom with an acute angle of the latter on the working surface of the beams with inclined rows relative to the side surface allows to increase the content of crushed grains during grinding Ruza wax and full ripeness be. - lower-) 1 and throughput.

Claims (2)

1. The grinding apparatus of the forage harvester on the combine, with () holding a drum with a knife and a pneumatic tongue with a coaxial rotor m, on which the blades are fixed, characterized in that, in order to increase the content blind grains at grinding corn with full and waxy; | (without capacity reduction, the rotor is equipped with beams placed concentric rows about its axis of rotation} | and, each ii3 of which ycTaHOB.iena radially the surroundings are HfjiM niai OM. and the working surface of each BE 1111 beams; 1nen grooved. 2. Apparatus No. 1, characterized by the fact that (1lp are acute and angled with an inclined angle to form an acute angle with the side noBepxHOCTbHj bank. / g