JPH1132560A - Rotor device in axial flow type combine harvester for general purpose - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable efficient threshing operation in an axial flow type combine harvester for general purpose by allowing an impeller device to actively take in the grain culm conveyed from a feeder house and feed the same to a rotor device without jam-up because of a relation between the rotor device, impeller device and their respective covers. SOLUTION: In a screw type rotor having an impeller (c) on the front end of the rotor device (b), a substantial space is provided between the rotor device (b) and its cover and between the impeller device (c) and its cover, and a wall is provided at a stepped portion 4 between these covers, whereby on the side of the impeller device (c), the grain culm from a feeder house 2 is forcibly fed toward the rotor device (b), while on the rotor device (b), the grain culm is inverted for threshing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the field of general-purpose combiners on the axial flow side, and more particularly, to a rotor device thereof, and particularly to a rotor body and an impeller body and their covers.

[0002]

2. Description of the Related Art In a conventional axial flow type general-purpose combine, a large space is provided between a rotor body and a cover thereof, and grain stalks are discharged into this space, and the rear portion is acted on by a reed plate. Sent to. Further, the cross-sectional shape of the cover of the rotor main body is uniform throughout, and a space is provided in an upper portion, and in the cover of the impeller main body, cereals are discharged into the space, and this is used as a lead plate. Is sending backwards.

[0003]

In the prior art, even if there is a space between the rotor body and the cover so that the grain culm for transportation is inverted, the impeller body does not have the cover. In the lead plate provided here, there is no forcible force in transportation, the culm is carried around, and the return to the feed house side increases. In addition, in the case of a large axial-flow combine, if the peripheral speed of the rotor body is 25 m / sec, the cereal culm does not reach the lead plate, is carried around under the lead plate, and cannot be conveyed quickly.

[0004] The present invention is an improvement on such a point. An object of the present invention is to improve the relationship between the rotor body, the impeller body, and these covers in an axial flow type general-purpose combiner. The purpose is to actively take in the grain stalks conveyed from the feeder house by the impeller body, send it to the rotor body without stagnating, and efficiently thresh.

[0005]

In order to achieve the above object, according to the present invention, in a screw type combine, a problem is identified by specifying a relationship between a rotor body, an impeller body and these covers. Is being solved.

That is, the present invention provides a screw type rotor having an impeller body at the front end of a rotor body, wherein a step is provided between a cover of the rotor body and a cover of the impeller body, and a step is provided between the rotor body and the cover of the rotor body. Is
It has a wide space where the culm to be conveyed can be inverted, and between the impeller main body and its cover, it has a narrow space for forcibly conveying the cereal culm, and the cover of the impeller main body is viewed from the front. In the right side is a circular ceiling,
A space is provided on the left side, and a lead plate is provided from the ceiling.

The cover of the impeller main body is circular when viewed from the front, and the cover of the rotor main body is trapezoidal containing the circular cover of the impeller main body, and the step portion of both covers has a wall. The configuration is as follows.

Further, a space is provided in the cover of the rotor body on the side where the grain stalk is sent from the feeder house via the impeller body at a high speed, and a lead plate is provided in this portion in the direction of the grain stalk flow. It has a fixed or adjustable configuration.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a rotor device for an axial flow type general-purpose combiner, which shows the relationship between a screw type rotor having an impeller main body at the front end of the rotor main body and a cover thereof, on the impeller main body side. In the meantime, the grain hulls conveyed from the feeder house are taken in securely and sent to the rotor body side without stagnation, and in the rotor body side, the fed grain stalks are smoothed. The cover corresponds to the impeller main body and the rotor main body so that threshing is efficiently performed while being sent to the main body.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 schematically shows an axial-flow type general-purpose combine equipped with a rotor device of the present invention, and includes a threshing unit (A), a sorting unit (B), a feeder house unit (C), and a cutting unit (D). , A driver's seat (E) and a crawler (F). The threshing unit (A) includes a rotor (d) having an impeller body (c) at the front end of a rotor body (b) in a handling room (a). A concave (e) is provided over a half circumference along the line.

The sorting device (B) is provided with a sorting device (1) below the concave (e). The feeder house section (C) has a slat conveyor (3) in the feeder house (2), and the grain stalks cut in the cutting section (D) are separated by a rotor (3) in the threshing device section (A). d)
To the impeller (c).

The cover (f) of the impeller body (c) and the rotor body (b) is larger than the cover (f ₂ ) of the impeller body (c) in that the cover (f ₁ ) of the rotor body (b) is larger than the cover (f ₂ ). A step portion (4) is provided between them to be integrally formed. Rotor cover body (b) the step portion between the cover (f ₂₎ of (f ₁₎ and the impeller body (c) by providing a (4), a cover (f _1), the rotor body (b)
A wide space where the culm can be inverted is provided between
The cover (f ₂ ) has a circular narrow space for forcibly transporting the grain culm.

The cover (f ₂ ) of the impeller body (c)
Is a front view viewed from the axial direction as shown in FIG.
The right side is a circular ceiling (5), and the left side has a space (6), and the space (6) is provided with a lead plate (g). When viewed from the front, the circular cover (f ₂ ) of the impeller body (c) is attached to the rotor body (b).
In the trapezoidal cover (f ₁ ).

The cover (f ₂ ) of the impeller body (c) is provided with a notch (7) in the diameter direction when viewed from the front. Culms conveyed along the outer periphery of the impeller body (c) are conveyed round cover (f ₂₎ of the circular ceiling (5) by forcing given rotational speed from the notch (7) Then, it is sent to the rotor body (b) side via the lead plate (g).

[0015] The cover of the above-mentioned rotor body (b) (f _1), the stepped portion between the cover (f ₂₎ of the impeller body (c) (4) is closed by a wall. Rotor peripheral speed 2
Even in the case of large combine such as 5m / sec,
Circular ceiling (5) of impeller body (c) and cover (f ₂ )
Since the space between them is small, the grain stalks are conveyed quickly, and the rotor body is protruded from the cover (f ₂ ) provided in the space (6) on the left side when viewed from the front by the action of the lead plate (g). (B) Smoothly sent to the side. Thereby, the cereal stem does not return to the side of the impeller body (c).

FIGS. 4 and 5 are a front view and a plan view showing the relationship between the rotor body (b ') and its cover (f'). The rotor body (b ') has a slope at the tip, and the screw blade (h) starts from the slope. The cover (f ′) is provided with a space (8) on the feeder house (C) side, on the side where the rotation of the rotor body (b ′) starts, and the space (8) Lead plates (g ') and (g') are provided along the flow direction of the grain stem.

The lead plates (g ') and (g') are provided on the cover (f ') of the rotor body (b') from which the cereals are fed out of the feeder house (C) and sent at a high speed. Since it is provided on the entrance side, the grain stalk is led by the rotation of the rotor body (b '), and is smoothly transported and threshed. Grain stalks can be obtained from these lead plates (g '), (g')
, And is fed by the screw blade (h) to the rear of the rotor body (b '), so that there is no danger of reversing. The positions of the lead plates (g ′) and (g ′) can be adjusted by the thumb screws (9) as shown in FIG.

FIG. 7 shows a rotor (d ") having an inclined impeller body (c") at the tip of the rotor body (b "). as "which was provided, slope-shaped impeller body (c cover (f)" cover) (f ₂ ') is a conical,
Lower cover (f ₁ ') of the "rotor body subsequent to (b the cover (f _2)") has a concave (e').

The cover (f ₂ ″) of the impeller body (c ″)
The lower side constitutes a feed plate (10) for cereals, and is about 40
There is an angle of degree, at this time, the feeder house part (C)
The end of the slat conveyor (3 ') is the supply plate (10)
Of from being arranged such that above the inlet, culms conveyed by the slat conveyor (3 ') is "in the impeller body (c conical cover (f _2)" of) It is pushed downward by centrifugal force, and its flow becomes smooth without stagnation.

[0020]

According to the present invention, there is provided a screw type rotor having an impeller body at the front end of the rotor body, wherein a wide space is provided between the rotor body and its cover, and a narrow space is provided between the impeller body and its cover. The grain stalks conveyed from the feeder house part are forcibly sent between the impeller body and its cover because the walls are provided at the steps between these covers. After entering the rotor body, the cereals are inverted and threshed efficiently in a wide space between the rotor body and its cover.

Further, the cover of the impeller main body can be fed into the rotor main body side without disturbing the cereal culm by a lead plate provided in a space portion following the circular ceiling, and the cereal culm does not return to the impeller main body side. Absent. In addition, a space was provided in the cover of the rotor body on the side where the grain stalk was sent at a high speed from the feeder house section through the impeller body, and a lead plate was provided in this part in the direction of the grain stalk flow. In addition, the culm does not stay at the entrance of the rotor, and is smoothly transported to the rotor body.

[Brief description of the drawings]

FIG. 1 is a schematic side view of an axial-flow combine provided with a rotor device according to the present invention.

FIG. 2 is a front view of the rotor as viewed from the axial direction, in which a cover of the impeller body is sectioned;

FIG. 3 is a front view of the rotor viewed from an axial direction;

FIG. 4 is a front view showing a relationship between a feeder house section and a part of a rotor section.

FIG. 5 is a plan view in which a part of the rotor unit is cut away.

FIG. 6 is a plan view similar to the above in which the lead plate is adjustable.

FIG. 7 is a side view, partially in section, showing the relationship between a cover and a rotor body having an inclined impeller body at the front end;

[Explanation of symbols]

A threshing apparatus section B sorter unit C feeder house part D mowing unit E driver seat F crawler a threshing chamber b rotor body c impeller body e concave f ₁ rotor body cover f ₂ impeller body cover g, g 'lead plate h screw blade 2 feeder house 3 slat conveyor 4 stepped part 5 circular ceiling 6 space part 8 space part 9 thumb screw 10 supply plate

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Junichi Masano 1-32 Chaya-cho, Kita-ku, Osaka-shi, Osaka Inside Yanmar Agricultural Machinery Co., Ltd. (72) Yuichi Shinfuku 1st Chaya-cho, Kita-ku, Osaka, Osaka No. 32 Inside Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Hideki Nishimura 1-32 Chayamachi, Kita-ku, Osaka City, Osaka

Claims (4)

[Claims] In a screw type rotor having an impeller body at a front end of a rotor body, a step is provided between a cover of the rotor body and a cover of the impeller body, and a step is provided between the rotor body and the cover of the rotor body. A rotor device for an axial flow type general-purpose combine, comprising: a wide space in which a cereal stem can be inverted, and a narrow space between the impeller body and its cover for forcibly conveying the cereal stem. 2. The axial flow type general-purpose combiner according to claim 1, wherein the cover of the impeller main body has a configuration in which, when viewed from the front, a right side is a circular ceiling, a space is provided on a left side, and a lead plate is provided here. Rotor device. 3. A screw type rotor having an impeller main body at a front end of a rotor main body, wherein a cover of the impeller main body has a circular shape close to the impeller main body in a front view, and a cover of the rotor main body includes a circular cover of the impeller main body. A rotor device for an axial flow type general-purpose combine, wherein the rotor has a trapezoidal shape and a step portion between both covers is a wall. 4. A screw type rotor having an impeller main body at the front end of a rotor main body, wherein a space is provided in a cover of the rotor main body on a side where grain stalks are sent from the feeder house through the impeller main body at a high speed. ,
A rotor device in an axial flow type general-purpose combine, wherein a lead plate is fixed or adjustable in this part in the direction of flow of the grain stem.