JP2022182769A - Shaking separation device of thresher - Google Patents

Abstract

To improve separation accuracy and quality of a processed product leaking down from a receiving net in a threshing chamber by devising a transfer shelf at a start end side of a shaking separation shelf and providing means for removing a solid foreign matter such as a stone, sand, or mud.SOLUTION: In the present invention, in a combine that processes and separates a processed product leaking down from a receiving net (4) in a threshing chamber (2) by a shaking separation shelf (5), a slit (13) having an appropriate width for taking in a solid foreign matter by shaking in a feed direction is opened in a transfer shelf (6) at a start end side of the shaking separation shelf (5).SELECTED DRAWING: Figure 3

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oscillating sorting device for a combine harvester that receives and sorts out materials leaking from a receiving net of a handling chamber.

Conventionally, for example, in Patent Document 1, a sorting net is provided above the chaff sieve of the swing sorting shelf to sort out foreign matter and grains, suppress adhesion of deposits to the sorting net, and sort Techniques are disclosed to facilitate processing.

JP-A-2018-85958

In the present invention, by devising the transfer shelf on the starting end side of the swing sorting shelf and providing a means for removing solid foreign matter such as stones, sand, and mud, the waste to be treated leaking from the receiving net of the handling chamber is sorted. The purpose is to improve accuracy and quality.

In short, in a general-purpose combine that feeds all culms, a large amount of solid foreign matter is fed from the entrance side of the handling chamber and leaks onto the transfer shelf at the start end of the swinging sorting shelf. Also, even if the second product is returned to the starting end of the oscillating sorting rack for reprocessing, more foreign matter is mixed in than in the past, resulting in quality deterioration.

Thus, whether it is a self-removing type or a general-purpose combine harvester, removal of solid foreign matter is indispensable regardless of the amount of foreign matter mixed therein.

Therefore, in order to solve the above problems, the present invention has taken the following technical means.

That is, the present invention as defined in claim 1 is a combine harvester that processes and sorts materials leaking from a receiving net 4 of a handling chamber 2 by means of a swing sorting shelf 5. , is provided with a slit 13 having an appropriate width for taking in solid foreign matter by swinging in the feeding direction.

According to the second aspect of the present invention, in the first aspect, a discharge path 19 is provided below the transfer shelf 6 for discharging the solid foreign matter falling downward from the slit 13 to the outside of the machine through a path that avoids the sorting path. It is characterized by

In short, according to the first aspect of the present invention, foreign matter, particularly solid matter such as stones, sand, and mud, can be removed by providing a slit for taking in foreign matter in the transfer shelf, thereby reducing the generation of dirt particles. , the quality and accuracy of the harvest can be improved.

According to the present invention of claim 2, in addition to the effect of claim 1, the shortest course that avoids the sorting route has a simple configuration in which the upper side of the winnow case is directly used and the guide plate is interposed. can be discharged to the outside.

BRIEF DESCRIPTION OF THE DRAWINGS Side cross-sectional view of a general-purpose threshing device according to an embodiment of the present invention Plan view of rocking sorting rack of same threshing device Enlarged plan view of the main part of the same Enlarged plan view of another embodiment of the main part of the same Enlarged plan view of another embodiment of the main part of the same Rear view of Figure 5 Enlarged plan view of another embodiment of the main part of the same Enlarged plan view of another embodiment of the main part of the same

An embodiment of the invention will be described with reference to the drawings.

FIG. 1 is a side cross-sectional view of a threshing apparatus for a general-purpose combine, FIG. 2 is a plan view of an oscillating sorting rack, and FIG. 3 is an enlarged plan view of the main part.

That is, the threshing apparatus 1 is configured such that the crops, all of which are fed from the pre-harvesting processing section, are threshed by the threshing cylinder 3 driven and rotated in the threshing chamber 2 .

A receiving net 4 is stretched around the lower half of the handling chamber 2, and the treated materials leaking through this receiving net are oscillatingly screened by a oscillating sorting device (oscillating sorting shelf) 5 below. It's becoming

The oscillating sorting shelf 5 has a transfer shelf 6, a chaff sieve 7, and a straw rack 8 arranged in this order from the upper side in the sorting direction, and a grense sieve 9 is arranged below the chaff sieve 7. It's becoming

Under the swing sorting shelf 5, a winnow 10, a first screw 11 and a second screw 12 are arranged in this order from the upper side in the sorting direction.

The transfer shelf 6 has a rack-like upper surface and is configured to send the received processed material toward the following chaff sieve 7 .

The transfer shelf 6 is provided with means for removing solid foreign matters such as stones and sand. That is, as shown in FIG. 3, the plane portion 6a of the transfer shelf 6 is provided with a slit 13 having an appropriate width for taking in the solid foreign matter. In this embodiment, they are provided in the vertical direction, but they may be provided in the horizontal direction as shown in FIG. 7, or in the oblique direction as shown in FIG.

When the slits 13 are provided obliquely, they are arranged substantially parallel to the gathering plate 16 so that the sand and mud in the sorting processing section sent along the gathering plate 16 can be efficiently discharged.

In the embodiment shown in FIG. 4, the slit 13 is provided in the slope portion 6b of the transfer shelf, and the opening direction of the slit is arbitrary.

In the examples of FIGS. 5 and 6, the slits 13 are provided in the vertical surface portion 6c (vertical feeding surface) of the transfer shelf, and the direction of the slits can be arbitrarily configured as described above.

Below the transfer shelf 6, in order to discharge solid foreign matter falling from the slit 13 to the outside of the machine, the upper side of the winch case 17 of the winch 10 closest to the transfer shelf is discharged toward the front side outside the machine. A discharge passage 19 is formed through the guide plate 18 .

2 Handling chamber 4 Receiving net 5 Swing sorting shelf 6 Transfer shelf 6a Plane portion 6b Slope portion 6c Vertical portion 13 Slit 17 Winnow case 18 Guide plate 19 Ejection path

Claims (2)

In a combine harvester that processes and sorts out materials leaking from a receiving net (4) of a handling chamber (2) by a swinging sorting shelf (5), a transfer shelf (6) on the starting end side of the swinging sorting shelf (5) (1) A rocking sorting device for a threshing machine, characterized in that a slit (13) of an appropriate width is provided to take in solid foreign matter by rocking in the feeding direction. The threshing according to claim 1, wherein a discharge path (19) is provided below the transfer shelf (6) for discharging solid foreign matter falling downward from the slit (13) to the outside of the machine through a path that avoids the sorting path. Equipment rocking sorter.

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