JP3220299B2 - Threshing machine with processing cylinder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing machine with a processing cylinder which reduces a second product to a processing cylinder chamber and reprocesses the second product with the processing cylinder.

[0002]

2. Description of the Related Art Conventionally, a handling chamber having a handling cylinder mounted thereon and a processing cylinder chamber having a processing cylinder mounted thereon are arranged above a sorting chamber by communicating with each other through a dust outlet behind the handling chamber. Among the threshing machines provided with a processing cylinder, there is known one in which the second product is reduced by a second reduction screw to the starting end of the processing cylinder chamber and reprocessed to improve the threshing yield. However, in this type of threshing machine, since the processing drum chamber that supports the processing drum is installed horizontally and is of a straight cylindrical shape, the second discharge screw discharged from the discharge port of the second reduction screw to the start end of the processing drum chamber is used. There is a problem in that the grains contained in the material tend to stagnate, and the second reduction screw is connected to the side surface of the processing chamber, so that the machine width is increased by that amount.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned drawbacks of the conventional threshing apparatus with a processing cylinder, does not lower the sorting performance of contamination and the like, and can improve the yield of collecting kernels. It aims to provide a threshing machine with a trunk.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a processing chamber having a processing cylinder mounted thereon and a processing cylinder chamber having a processing cylinder mounted above a sorting chamber. Are connected to each other through a dust outlet, and are arranged side by side.
In a threshing machine with a processing cylinder provided with a discharge port that opens to a dust chamber behind a handling chamber, the bottom surface of the processing cylinder chamber starting end is appropriately formed with a slope rising forward, and the lower portion is formed at one end of a second horizontal feeding spiral. The threshing machine with a processing cylinder is characterized in that the upper discharge port of the second reduction screw connected to the processing cylinder faces the reduction port provided on the inclined bottom surface at the start end of the processing cylinder chamber.

[0005]

As described above, the threshing machine with a processing cylinder according to the present invention comprises:
The bottom surface of the processing cylinder chamber starting end is appropriately formed on a slope that rises forward,
Since the upper discharge port of the second reduction screw whose lower part is connected to one end of the second spiral faces the reduction port provided on the inclined bottom surface of the processing cylinder chamber starting end, the discharge port of the second reduction screw is formed. The second reductant discharged from the process chamber into the reduction port provided at the inclined bottom surface at the start end of the processing cylinder chamber flows down the inclined bottom surface, is smoothly sent to the processing cylinder, and the generation of residual particles is prevented. Further, since the second reduction screw is mounted below the processing chamber, the body width is smaller than that mounted on the side of the processing chamber.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. FIG. 1 is an overall side view of a threshing machine with a processing cylinder according to the present invention, and FIG. 2 is a plan view of the threshing machine. In the figure, 1
Is a threshing machine with a processing cylinder of the present invention, wherein the threshing machine 1 is provided with a sorting chamber 2 at a lower portion, and a processing chamber 4 in which a processing cylinder 3 is mounted above the sorting chamber 2 and a processing cylinder 5 are mounted on a shaft. The processing body room 6 and the handling room 4
A grain stalk feeding device 8 that supplies grain stalks to the handling chamber 4 is provided along one side of the handling chamber 4 so as to communicate with each other via a dust outlet 7 at the rear. I have.

The processing cylinder 5 is provided with a plurality of triangular plate-shaped scraping blades 5a on the surface of the cone-shaped starting end portion.
The body has processing teeth 5b on its surface. The processing cylinder chamber 6 has a bottom surface 6a at the start end inclined forward and upward,
A bow-shaped wall 6b in plan view is formed on the upper surface of the inclined bottom surface 6a, and a second reduction port 6c is opened on the inclined bottom surface 6a inside the bow-shaped wall 6b. An exhaust port 10 is provided in the dust chamber 9 at the rear, and a dust suction fan 11 is provided at the front of the exhaust port 10 at a slight interval.
However, it is disposed so that the axial direction of the processing cylinder 5 is orthogonal to that of the processing cylinder 5.

Reference numeral 12 denotes a second reduction screw which is disposed on the lower side of the processing drum chamber 6 so as to be inclined upward and forward.
2a, the scraping blade 12b is incorporated in the head, the lower end of the body is connected to one end of the second horizontal spiral 13 of the sorting chamber 2, and the second material reduction at the start end of the processing chamber chamber 6 is provided on the side of the head. A discharge port 12c facing the port 6c is opened. It is not always necessary to make the inclination of the second reduction screw 12 and the inclination of the bottom end 6a of the start end of the processing cylinder chamber 6 coincide. However, if the inclinations of both are substantially equal, the mounting structure of both can be simplified. Further, since the second reduction screw 12 is disposed below the processing chamber 6, the machine width is smaller than that of the screw mounted on the side of the processing chamber. Reference numeral 14 denotes a receiving net stretched substantially along the lower half of the handling cylinder 3, and reference numeral 15 denotes approximately 2 /
It is a receiving network stretched along three circumferences.

In the above configuration, when the cereals are supplied to the handling room 4 by the cereal stalk feeding device 8, the cereals are threshed by the rotating handling drum 3 while being transported backward along the handling port, and the threshed grains are removed. It leaks down the receiving net 14 of the handling room 4 and falls on the swinging sorting body 16 in the sorting room 2 below, and the unleaked material is sent out from the dust outlet 7 at the rear of the handling room 4 to the processing drum chamber 6. Is done. Swing sorting body 16
The grains mixed with the contaminants dropped on the rocking sorter 16
The granules that have been sequentially transferred rearward while being sorted by specific gravity by the rocking motion of, and collected from the rocking sorter 16 are collected in the first horizontal feeding spiral 17, collected in the hopper by the first fryer screw 18, and shaken. Contaminants that did not leak from the sorting body 16 were selected by the wind of Karino 19 and the second was reduced to the beginning of the processing chamber 6 by the second horizontal feed spiral 13 and the second reduction screw 12. And the rocking motion of the rocking sorting body 16
The contaminants separated by the pressurized air 9 are sent to the rear of the sorting chamber 2 and discharged out of the apparatus through a dust outlet 20 opened in the dust chamber 9 at the rear.

On the other hand, the unprocessed material sent from the dust outlet 7 at the rear of the handling chamber 4 to the processing drum chamber 6 is returned to the processing drum chamber 6 by the second reduction screw 12 along with the processing drum. While being processed in the chamber 6, the grain is conveyed backward. During this time, the contaminating grains leak through the receiving net 15 and fall into the sorting chamber 2. 19
The first thing is collected by the hopper, the second thing is returned to the processing body chamber 6 by the second reduction screw 12 as described above, and the separated foreign matter is opened to the dust exhaust chamber 9 at the rear. The dust is discharged from the exhaust port 20 outside the machine. Here, it is sent to the head of the second reduction screw 12 by the helical body 12a, and it is sent by the scraping blade 12b.
The reduced matter discharged to the beginning of the processing body chamber 6 through the discharge port 12c of the head and the second material reducing port 6c at the beginning of the processing body chamber 6 flows down the inclined bottom surface 6a even if it is wet. Then, the particles are sent to the processing drum chamber 6, where sufficient processing is performed to collect the grains, and the yield of collecting the grains is improved.

FIG. 3 shows that the bottom surface 6a of the starting end of the processing drum chamber 6 is formed on a slope rising forward as appropriate, as in the previous embodiment.
In this embodiment, the raked blade on the surface of the starting end of the cone-shaped processing cylinder 5 of the above embodiment is a twisted blade 5a '. With this configuration, a second product return port 6c at the starting end of the processing cylinder chamber 6 is formed. Even if the reduced reduced material is a wet material, it can be forcibly scraped into the processing drum chamber 6 without clogging it.

FIG. 4 shows that the bottom surface 6a of the starting end of the processing drum chamber 6 is formed on a slope rising forward as appropriate, as in the previous embodiment.
The starting end of the processing drum 5 ′ is not a cone but a straight cylindrical end surface, and a plurality of triangular large scraping blades 5 a ″ having an oblique angle along the slope of the bottom surface 6 a of the starting end of the processing drum chamber 6 on this end surface. In this embodiment, the space for releasing the second reduct from the starting end of the processing cylinder chamber 6 is increased by eliminating the cone-shaped starting end of the processing cylinder, and a large amount of the second reduced substance is discharged from the second substance reducing port 6c. Even if the second product is released, it is forcibly scraped into the processing drum chamber 6 by the large-sized scraping blade 5a ″, and the processing is performed without delay.

FIG. 5 shows that the bottom surface 6a of the starting end of the processing drum chamber 6 is formed on a slope which rises forward as appropriate, as in the previous embodiment.
As in the embodiment of FIG. 4, the starting end of the processing cylinder 5 'is not a cone and has a straight cylindrical end face. However, no scraping blade is provided on this end face, and the starting end of the processing cylinder chamber 6 is made of the second reduced product. This embodiment shows an embodiment in which the minimum space where the discharge is performed without difficulty is described. The purpose of this embodiment is to reduce the size of the structure and naturally release the second product released from the second product reduction port 6c. That is, it is sent to the processing cylinder 5 'in a state so as not to apply an excessive load to the processing cylinder 5'.

[0014]

As described above, according to the present invention, a handling chamber having a handling cylinder mounted thereon and a processing cylinder chamber having a processing cylinder mounted thereon are disposed above the sorting chamber. In a threshing machine with a processing cylinder provided with a discharge port that opens to a dust chamber behind the treatment chamber on one side of the rear of the processing cylinder chamber, The upper discharge port of the second reduction screw whose lower part is connected to one end of the second spiral is formed facing the reduction port provided on the inclined bottom surface of the processing cylinder chamber starting end. Therefore, even if it is wet, the reduced matter discharged to the beginning of the processing drum chamber flows down to the processing drum chamber even if it is wet due to the inclined bottom surface, and is subjected to sufficient processing action to improve the grain recovery yield. At the same time, since the second reduction screw is disposed below the processing chamber,
Practical effects such as a reduction in the machine width corresponding to that attached to the side of the processing chamber can be obtained.

[0015]

[Brief description of the drawings]

FIG. 1 is an overall side view of a threshing machine with a processing cylinder of the present invention.

FIG. 2 is a plan view of the threshing machine with the processing cylinder.

FIG. 3 is a main part side view showing another embodiment of the processing cylinder.

FIG. 4 is a side view of a main part showing still another embodiment of the processing cylinder.

FIG. 5 is a side view of a main part showing still another embodiment of the processing cylinder.

[0016]

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 Threshing machine with processing cylinder 2 Sorting room 3 Handling cylinder 4 Handling room 5 Processing cylinder 5a Scraping blade 5b Processing teeth 6 Processing cylinder room 6a Starting end bottom surface 6b Bow-like wall 6c Secondary material return port 7 Dust port 12 2 No. 2 reduction screw 12a Spiral body 12b Scraping blade 12c Discharge port 13 No. 2 horizontal spiral

Claims (1)

(57) [Claims] 1. A processing chamber having a handling cylinder mounted thereon and a processing cylinder chamber having a processing cylinder mounted thereon are arranged above the sorting chamber so as to communicate with each other via a dust outlet at the rear of the processing chamber. In a threshing machine with a processing cylinder provided with a discharge port that opens to a dust chamber behind the handling chamber on one side of the rear part of the processing cylinder chamber, the bottom surface of the processing cylinder chamber starting end is formed on a slope that rises forward as appropriate, A processing cylinder characterized in that an upper discharge port of a second reduction screw whose lower part is connected to one end of a second horizontal feeding spiral faces a reduction port provided on an inclined bottom surface of the processing cylinder chamber starting end. With threshing machine.