JPH0823756A - Threshing treatment device in threshing machine - Google Patents

Abstract

PURPOSE:To prevent treated materials from staying and clogging the end part of a treating chamber, when the treated materials are circulated between a threshing chamber and the treating chamber and simultaneously threshed. CONSTITUTION:In this threshing treatment device in the threshing machine, a threshing chamber in which a threshing cylinder 1 for threshing grain straws is pivotally spanned and a treating chamber 4 in which the threshed straws are further subjected to a threshing treatment are disposed in parallel at mutually adjacent positions in a state capable of feeding the inner treated materials into each other. Openings 5, 5', 5'' enabling that, when the threshing cylinder 1 and the treating cylinder 3 are rotated in the mutually reverse directions, the treated materials are recipocatively moved between both the chambers, while drawing a 8-letter locus, are disposed. In the final end part of the treating cylinder 3, the outer diameter of the treating cylinder 3 at a part having blades for returning and releasing the treated materials toward the start end of the threshing chamber is formed so as to be smaller than that of the front part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing processing device for a threshing machine, which is used as a threshing device for combine harvesters and harvesters.

[0002]

2. Description of the Related Art A conventional threshing machine of this type, for example, sees the technology disclosed in Japanese Utility Model Publication No. 56-86959.
The handling chamber with the handling cylinder internally mounted and the processing chamber with the processing barrel internally mounted are arranged close to each other, so that the handling cylinder and the processing cylinder rotate in opposite directions. ing. Then, the grain removal in the handling room is sent to the processing room from the end portion of the handling room, while the processed material in the processing room is processed in the direction of the starting end of the handling room (the direction opposite to the transfer direction of the handling room). While being transported, it is configured to be returned to the starting end side of the handling room.

In this conventional structure, the movement of the processed material between the handling room and the processing room is limited to two places.

[0004]

In recent years, combine harvesters are becoming larger in size (multi-row cutting) aiming at large-scale agriculture, and high-efficiency machines are required. Therefore, as a matter of course, the threshing device mounted on the combine needs to have a high threshing treatment capacity. In order to improve the threshing efficiency, the threshing device must have an organically related configuration between the handling room and the processing room, and must exhibit a highly efficient threshing processing effect by the synergistic action of both.

In the conventional threshing device, as has been seen in the above-mentioned prior art, the threshing processed product generally has one reciprocating motion between the handling chamber and the processing chamber. However, in this case, when a large amount of grain removal occurs in the handling room, it is immediately sent to the processing room,
There was a problem that threshing treatment could not be efficiently performed while balancing the treatment amount between both chambers such as returning to the treatment chamber when the amount increased in the treatment chamber.

Further, when the processing cylinder returns the processed product to the handling chamber, there is a problem that the processed product is stagnated in the processing chamber at the end portion thereof and a smooth return cannot be performed, causing a clogging phenomenon. It was

[0007]

The present invention takes the following technical means in order to solve the above problems. That is, a handling chamber 2 in which a handling drum 1 for performing threshing treatment on grain culms is mounted on a shaft, and a treatment chamber 4 in which a processing barrel 3 for further threshing of the threshing treatment product is mounted in a processing chamber 4 are mutually connected. Apertures that are arranged close to each other so that they can be fed and supplied, and the rotations of the handling cylinder 1 and the processing cylinder 3 are opposite to each other, and the circulation of the processed material can be repeated while drawing a figure 8 between the two chambers. Part 5,
5 ′, 5 ″ are provided, and at the end portion of the processing cylinder 3,
This is a threshing processing device in a threshing machine in which the outer diameter of the portion of the processing drum 3 having the reducing blades 6 for reducing and releasing the processed material toward the starting end of the handling chamber 2 is smaller than that of the front portion.

[0008]

EXAMPLE First, the structure will be described. The handling room 2 is
The grain culm supply port 7 is provided on one side, the straw discharge port 8 is opened on the other side, the grain culm supply port 7 and the straw discharge port 8 are communicated with each other by the handling port 9, and the sorting net 10 is provided on the lower side. It is provided in a stretched manner, and a dust outlet 11 is formed at the end portion of the sorting net 10,
The handling cylinder 1 having the handling teeth 12 is axially constructed.

The handling cylinder 1 is provided with a pair of bevel gears 15 and 15 'between the handling barrel shaft 13 on the grain culm supply port 7 side and the transmission shaft 14 facing the T-shape. It is configured. Then, the feed chain 16 is provided along the outside of the handling mouth 9, and is configured such that the tip end side is supplied to the handling chamber 2 and threshing while the planter side of the grain culm is pinched and conveyed.

Next, in the construction of the processing chamber 4, the starting end portion is provided slightly rearward of the starting end portion (grain culm supply port 7) of the handling chamber 2, and the end portion thereof is the end portion of the handling chamber 2. It is located slightly further forward, and is provided with a dust sorting chamber 17 subsequent to it, and opens toward the center of the machine body. Further, the processing chamber 4 is provided with a sorting net 18 on the lower side so as to be close to the handling chamber 2 and installed side by side, and an opening 5 is provided between the processing chamber 4 and the handling chamber 2.
5 ′ and 5 ″ are provided to communicate with each other, and the processing cylinder 3 is internally mounted on the shaft.

The processing cylinder 3 is composed of a starting end portion 3a, an intermediate portion 3b and an end portion 3c, and the outer diameter dimension of the end portion 3c is smaller than the outer diameter dimensions of the other starting end portion 3a and the intermediate portion 3b. , The scraping blade 19 is attached to the starting end portion 3a, the processing blade 20 is planted in the intermediate portion 3b, and the end portion 3
A reducing blade 6 is provided on c. Wings 19
Has a function of scraping the processed material from the handling chamber 2 into the processing chamber 4, the processing blade 20 has a function of performing a shattering treatment of the processed material supplied from the handling chamber 2, and the reduction blade 6 It has a function of returning the processed material that has reached the end portion of the processing chamber 4 to the handling chamber 2 through the opening 5 ″. Then, the reduction blade 6 rotates and the processed material in the processing chamber 4 is rotated. Is discharged in the direction of the grain culm supply port 7 of the handling room 2 (the starting end direction of the handling room 2) and reduced.

The reduction vane 6 can have a large shape because the end portion 3c has a small diameter. In the dust sorting chamber 17, the opening 21 at the start end faces the end of the handling chamber 2, the dust discharge port 22 at the end is opened in the sorting chamber 23, and the dust barrel 24 is mounted on the internal shaft. Then configured.

The mutual relationship between the handling chamber 2 and the processing chamber 4 will be described. The threshed material is configured such that supply and discharge are repeated as a whole, but mainly the processing cylinder 3 The scraping blade 19 is sent from the handling chamber 2 to the processing chamber 4, and the reduction blade 6 is returned from the processing chamber 4 to the handling chamber 2. Since many threshing products are generated in the first half of the handling chamber 2, the opening 5'is formed so that these can be smoothly supplied to the processing chamber 4 side in the processing blade 20 portion of the processing drum 3. .

The unprocessed products of the threshed products are the handling room 2
Further, it is configured so as to be fed into the processing chamber 4 from the end portion of the. In this way, the handling cylinder 1 and the processing cylinder 3 rotate in opposite directions, and the processing object can be repeatedly circulated while drawing a figure 8 between the two chambers. Next, the sorting chamber 23 is formed below the handling chamber 2, and is composed of a swing sorting shelf 25 and a compressed air sardine 26.

The rocking sorting shelf 25 is provided from the lower position of the handling chamber 2 to the dust-exhausting portion, and the transfer shelf 27, the Glensive 28, and the straw rack 29 are provided in this order from the upper side and dropped from above. The cereals are selected by a swinging action. Then, at the bottom of the sorting chamber 23, from the skillful sorting side, the compressed wind Kara 26, the first transfer spiral 30, the second transfer spiral 3
They are provided in the order of 1.

Reference numeral 32 denotes a second lifting machine, which has its base connected to the second transfer spiral 31 and has its tip open on the rocking sorting shelf 25. The collected second food is rocking sorting shelf. It is configured to be reduced to 25. 33 is a dust collector. The processing cylinder 3 is configured to be transmitted via the transmission shaft 34 that can absorb the misalignment.

Next, the operation will be described. First, when you start the appropriate prime mover and transmit the rotational power to the thresher,
Each rotating part of the aircraft is driven and ready to thresh,
The handling cylinder 1 and the processing cylinder 3 rotate in opposite directions to each other as indicated by an arrow in FIG. Then, the grain culms are sandwiched by the feed chain 16 and conveyed while being fed from the grain culm supply port 7 to the handling chamber 2 and threshed by the rotating handling barrel 1. In this way, the grain culms to be threshed are further subjected to the threshing action while being carried around by the handling teeth 12 of the rotating barrel 1. Then, in the threshing-processed product, grains, dust, etc. leak through the sorting net 10 and reach the lower swing sorting shelf 25, while the branches attached particles are sent to the processing chamber 4.

At this time, the threshing-treated product is bounced by the handling teeth 12 of the handling body 1 and sent to the processing chamber 4 through the opening 5 while drawing a locus shown by an arrow in FIG. 3, but at this time, Since the handling cylinder 1 and the processing cylinder 3 rotate in opposite directions to each other,
It passes through the lower side of the handling cylinder 1 and reaches the upper side of the processing cylinder 3,
It is inherited by the scraping blade 19 and is scraped into the processing chamber 4.
Then, the processing object is processed by the processing blade 20 while being carried around by the processing cylinder 3 in the processing chamber 4.

In such a threshing process, the threshing-processed product has grains separated from straw, branch shoots, etc. leaking from the sorting nets 10 and 18 in both chambers to the lower sorting chamber 23. Handling room 2
In addition, the unprocessed material which is being continuously processed in the processing chamber 4 is inevitably increased in the first half of the handling room 2 because the threshing processed material is increased in the room, and the amount of unprocessed material is inevitably sent to the processing room 4, and in the latter half of the processing room 2. The amount returned from 4 to the handling room 2 increases.

As described above, the threshed material is processed while passing through the openings 5, 5 ', 5 "between the handling room 2 and the processing room 4 and inheriting each other. In this case, since the outer diameter of the end portion 3c of the processing cylinder 3 is small, the space at the outer peripheral portion of the processed material at the end of the processing chamber 4 does not become clogged. As described above, when the outer diameter of the processing cylinder 3 becomes smaller, the shape of the reduction blade 6 can be made larger, so that the rebounding action becomes stronger and the reduction is performed from the opening 5 ″ toward the starting end of the handling chamber 2.
Therefore, the processed material is hardly clogged at the end of the processing chamber, and is appropriately circulated for processing.

Then, the sorted matter that has fallen into the sorting chamber 23 is sorted by the wind-selecting action of the compressed air sardines 26 and the swinging action of the swing sorting rack 25, and is sorted into the first, second, and dust products. It is sorted and processed.

[0022]

As described above, according to the present invention, the handling chamber 2 in which the threshing barrel 1 for threshing the grain culms is mounted, and the treatment barrel 3 for further threshing the threshed material are mounted in the rack. The processing chamber 4 and the processing chamber 4 are arranged side by side so as to be able to feed and feed the processing objects inside, and the rotations of the handling cylinder 1 and the processing cylinder 3 are opposite to each other. Is provided with openings 5, 5 ', 5 "that can repeat cyclic movement while drawing a figure-8,
In the end portion of the processing chamber 3, the outer diameter of the processing drum 3 in the portion having the reducing blades 6 for reducing and releasing the processed material toward the starting end direction of the handling chamber 2 is smaller than that of the front portion. Therefore, the threshing in the handling room and the threshing processed matter in the processing room can always be mutually circulated and moved, so that the one side chamber does not accumulate unevenly and the processing amount is balanced evenly, and both chambers have the same capacity. It has the feature that it can maximize its ability to perform threshing treatment with high efficiency.

Further, the processing chamber has a feature that it can be surely circulated without clogging unprocessed material in the end portion thereof.

[Brief description of drawings]

FIG. 1 is a plan view showing a main part of an embodiment of the present invention.

FIG. 2 is a plan view of the processing cylinder according to the embodiment of the present invention.

FIG. 3 is a plan view showing the operation of the embodiment of the present invention.

FIG. 4 is a front cross-sectional view of a main part, which is one embodiment of the present invention.

FIG. 5 is a side cross-sectional view of a main part according to the embodiment of the present invention.

[Explanation of symbols]

1 handling cylinder 2 handling room 3 processing barrel
4 Processing chamber 5, 5 ', 5 "Opening 6 Reduction blade

Claims (1)

[Claims] 1. A processing object inside a processing chamber 2 in which a processing cylinder 1 for threshing a grain culm is mounted, and a processing chamber 4 in which a processing cylinder 3 for further threshing a threshing processing product is mounted. Are arranged side by side in such a manner that they can be fed into each other so as to be supplied, and the rotations of the handling cylinder 1 and the processing cylinder 3 are opposite to each other, so that the processed material is circulated while drawing a figure 8 between both chambers. Repeatable opening 5,
5 ′, 5 ″ are provided, and at the end portion of the processing cylinder 3,
Threshing treatment device in a threshing machine in which the outer diameter of the portion of the processing drum 3 having the reducing blades 6 for reducing and releasing the processed material toward the starting end of the handling chamber 2 is smaller than that of the front portion.