Wagon with cutting, mixing and dispensing functions for fodder a

Details Wagon with cutting, mixing and dispensing functions for fodder a Wagon with cutting, mixing and dispensing functions for fodder a

1993-07-28

1994-10-18

Kashnikow, Andres

Dispensing

With casing or support

Ambulant

222412, 366603, 2411017, 241236, A01K 500, A01C 306

Patent

active

053560540

DESCRIPTION:

BRIEF SUMMARY
BACKGROUND OF THE INVENTION

The invention concerns a wagon particularly suitable for cutting and mixing long-fiber materials, as for example fodder or grass or straw stored in silos or packed in bales or at their natural state.
Commonly known wagons are generally constituted by a container, within which there are one or more rotating endless screws, some positioned in the lower part of the container and some in its upper part.
Said commonly known wagons are suitable to perform the cutting and mixing especially of short-fiber materials, and have great difficulties in cutting long-fiber materials, especially in large quantities, as fodder or grass and straw stored in silos.
In fact during the cutting and mixing of long-fiber materials, the endless screws located in the upper part are subject to easily become obstructed because the material gets entangled around them, thereby hindering and even blocking their rotation. In some cases this can go as far as to bend the endless screw.
The same problem, also if with less intensity, is found even in the lower endless-screws.


SUMMARY OF THE INVENTION

It is in order to overcome this difficulty that we disclose this improved wagon for cutting, mixing and dispensing according to the invention, which has the main purpose of preventing, during the cutting and mixing phase, the accumulation of material between the endless-screws and the walls of the container with all the problems deriving therefrom.
The described purpose is reached through the realization of a improved wagon with cutting, mixing and dispensing functions, particularly suitable for the cutting and mixing of fodder, grass or straw stored in silos, that according to the main claim includes: trailing vehicle, with at least one port for the introduction of the material to be treated and with at least one trapdoor to discharge the treated material; container, each one being lodged inside a curved-profile compartment obtained at the bottom of said compartment, whereby the endless screws are parallel and each equipped with at least a pair of spirals, one of them wound in a clockwise direction and the other one in a counter-clockwise direction beginning from the ends of the endless-screws and such as to lead the treated material towards the central part of each endless-screw, whereby each of them presents a number of cutters protruding from the external edge of the spirals that are present on the endless screw, and the wagon is characterized in that each of the endless screws presents, in the zone of convergence of the spirals, at least one baffle plate in the orthogonal position in relation to the lengthwise axis of said endless screw.
According to a preferred embodiment of the invention, said baffle plate, which is equipped with cutters protruding from its peripheral part, presents tapered lateral surfaces in order to obtain a better conveyance of the material.
Moreover, from both sides of the baffle plate, a counter-spiral branches off, with an opposite winding direction with respect to the adjoining spiral, and this counter-spiral is found above the corresponding tapered side-surface of the baffle plate. The end of the counter-spiral is jointed to the terminal part of the spiral by means of a dividing sector in a radial position with respect to the endless screw and similarly a further dividing sector, also in a radial position with respect to the endless screw, connects the end of the spiral to the tapered side-surface of the baffle plate.
At the bottom of the container and parallel to each endless screw, there is an adjustable-position blade, preferably a saw-toothed one, the teeth of which cooperate with the cutters and with the spirals forming the endless screws, realizing the cutting function and preventing the material from getting entangled around the endless screws. Moreover, within the container, on one of the walls and in correspondence with the central zone of the screws, there is a trapdoor for the discharge of the treated material, while on the essentially vertical wall opposite the trapdoor i

REFERENCES:
patent: 3173693 (1965-03-01), Skromme
patent: 3244271 (1966-04-01), Wenning
patent: 3430822 (1969-03-01), Lienemann et al.
patent: 3797807 (1974-03-01), Behrens
patent: 4597510 (1986-07-01), Durant
patent: 4619381 (1986-10-01), Wurtz
patent: 4720047 (1988-01-01), Knight
patent: 4773600 (1988-09-01), Metski
patent: 4804111 (1989-02-01), Ricciardi et al.
patent: 5148999 (1992-09-01), Curfman et al.

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