JP2652150B2 - Combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester in which, for example, the whole of a culm cut in a cutting section is thrown into a threshing section, and threshing is performed by an axial flow cylinder in the threshing section.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Publication No.
Alternatively, as disclosed in Japanese Utility Model Application Laid-Open No. 61-12354, a handling cylinder is provided in a handling chamber, and a sorting mechanism for sorting loose particles falling below the handling cylinder, and a second reduced product is taken out from the sorting mechanism. There is a technology for providing a second reduction conveyor.

[0003]

In the above prior art, the feed end of the second reduction conveyor is connected to the side surface of the handling chamber. Therefore, the swirling flow of deagglomerated material and air in the handling chamber generated by rotation of the handling cylinder is generated. The backflow phenomenon that easily enters the inside of the second reduction conveyor is likely to occur, so it is necessary to increase the delivery pressure of the second reduction conveyor to prevent the backflow phenomenon and clogging of the conveyor, and to handle the second reduced material from the second reduction conveyor The flow of the agglomerated material inside the handling room is disturbed by sending it out at a large pressure, and the efficiency of threshing of the handling cylinder is reduced. is there. Also, see Japanese Utility Model Application Laid-Open No. Sho 177747/1985.
As described above, there is a technology to connect the second reduction room to the handling room surface,
Since the opening of the front of the handling cylinder is opened, the
The strength of the front of the handling room that supports the shaft is easy to decrease, and the front of the handling room is open.
The mouth is sealed by the handling cylinder, so the grain stalks in front of the handling room
There is a problem that the second reduct is easily dropped in the mouth.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a sorting mechanism in which a handling cylinder is provided in a handling chamber, and a sorting mechanism for sorting out falling particles falling below the handling cylinder, and a second reduced product from the sorting mechanism. In the combine to set up a second reduction conveyor to take out
A second reduction chamber is provided outside the front of the handling chamber, and the second reduction conveyor is connected to the second reduction chamber, and the second reduction chamber is connected to the second charging chamber inside the handling chamber from the front side. The upper one side of the handling chamber is bulged and the second charging chamber is formed on the lower rotation side starting from the uppermost surface of the handling cylinder. The threshing sent by the rotation of the handling cylinder The position where the quantity of the object becomes the least
To from Ru provided double-dip loading chamber, resulting prevented from double-dip loading chamber of the threshing chamber of shedding was enters the double-dip reduction chamber connecting portion of the front easily, the double-dip reduced product in double-dip reducing conveyor Clogging can be easily prevented, and the pressure at which the second reduced product is sent to the handling room can be reduced more easily than in the past. Can be easily prevented, and the handling cylinder support strength can be easily secured.
It is have obtained shall.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a partial external view of the handle cover.
FIG. 2 is an overall side view, and FIG. 3 is a plan view of the same. In FIG. 2, (1) shows a traveling crawler (2) and a track frame (3).
(4) is equipped with an axial-flow screw-type handling cylinder (5) and a sorting mechanism (6),
(7) is a grain tank for storing the grains of the threshing unit (4) which is taken out through the fryer (8), and (9) is a hydraulic cylinder (9) in front of the lower part of the threshing unit (4). The mowing section is provided so as to be able to ascend and descend through 10), and (11) is a driver's seat (1).
2) and a cab fixed to the front of the grain tank (7), comprising a driving operation unit (13), and (14) provided behind the grain tank (7) and having an engine (15) inside. Engine room to be installed, (16) is the grain tank (7)
This is a grain export auger that takes out the grains inside.

The cutting section (9) includes a cereal header (17) for incorporating uncut culm stems, and the header (17).
A cutting chamber (19), a reciprocating drive type cutting blade (20), comprising a supply chamber (18) connected to substantially the center of the rear part and feeding the cut grain culm to the threshing unit (4).
Upper and lower transport cases (21a), which are grain culm transport mechanisms
(21b) and a grain auger auger (22) are provided on the grain header (17), and a cut chain culm taken into the header (17) is provided inside a supply chamber (18). It is configured to be fed to the threshing unit (4) via 18a) for threshing.

On the left outside of the threshing unit (4), a second reduction cylinder (23), which is a second reduction conveyor, is provided in a protruding manner, and the second processed material is handled at the front part of the cylinder (5). It is provided to return upward and threshing again.

As shown in FIG. 4, the screw-shaped handling cylinder (5) has a trunk (24) having a length substantially equal to the front and rear length of the threshing unit (4), and is wound around the outer periphery of the trunk (24). Screw blades (25) that are screw-type teeth that are erected radially
And a stalk-dispersing plate (26) provided on the outer periphery of the rear end of the body (24), wherein the screw-shaped handling cylinder (5) is provided.
The front end of the handle cylinder (5) and the rear of the handle chamber (27) are provided at the handle chamber (27), which is a handle port communicating with the supply chamber (18), at the front input port (28). Dust port (2
9) With the scattering plate (26) facing, a receiving net (30) is stretched below the handling cylinder (5), and the whole harvested culm is thrown in through the supply chamber (18) to thresh. It is configured as follows.

[0009] Further, there is provided a swing sorting board (31) constituting the sorting mechanism (6), and the swing sorting board (31) is supported so as to be swingable in the front-rear direction via swing links (32) and (33). And a feed pan (34) positioned below the front of the handling cylinder (5), a first chief sheave (35) provided behind the feed pan (34), and a chief sheave (3) thereof.
5) A first sorting board (36) provided below, a sieve line (37) connected to the rear side of the chaff sheave (35), and a second chief sheave (3) provided below the sieve line (37).
8) and the first and second grain plates (39) and (40) are provided on the sorter (31).

[0010] Further, a Karamin fan (41) for supplying a sorting wind to the first grain board (39), and a first grain board (39).
(42) and the first conveyor (43) for receiving the cereal from the vessel and sending it to the fryer (8);
The second processed product, which is the reduced product from 0), is supplied to the second opening (44a).
A second gutter (44) and a second conveyor (45) for sending out to the second reduction cylinder (23) via a second port, and a third port (46) facing the rear end of the sorting board (31). The grain of the gutter (42) is sent to the tank (7), and the reduct of the second gutter (44) is sent to the front of the handling chamber (27) through the second reduction cylinder (23).

As shown in FIGS. 5 and 6, the upper end inlet (47) of the second reduction cylinder (23) has a second reduction chamber, which is a second reduction chamber provided outside the front of the handling chamber (27). The horizontal conveyor room (48) faces the conveyor room (48).
The second reduced product charged to the left end of the second reduction feeder (49) provided in the chamber (48) is fed laterally by a second reduction horizontal conveyor (49). 50)
The reduced product sent into the lower chamber (51) of the conveyor (49) is sent to the conveyor (49).
The lower blade (52) of the lower (50), which rotates together with the lower chamber (50), projects from the lower outlet (53) to the upper right side of the front of the handling chamber (27). The lower (50) connects the casing to the upper and lower casings (5).
4a) The lower casing (54b), which is divided and formed into (54b) and surrounds the jumping blade (52), is provided with a threshing unit (4) through the lower box (55).
And an upper casing (54a) forming a lower discharge port (53) is integrally supported by a handle chamber upper cover (57) which is an openable / closable handle cylinder cover via an upper box (56). The upper casing (54a) is simultaneously opened when the handle chamber upper cover (57) is opened around the rotation axis (59) by the extension operation of the hydraulic cylinder (58) installed between the cover and the cover (57). It is configured to be.

Further, the upper inner surface of the upper casing (54a) forms a gentle curved surface (C) so that the discharge port (53) can be handled from the second reduction port (60) opened in front of the handling chamber (27). (27). As shown in FIGS. 7 and 8, the return port (60) is opened to the upper left outside from the upper cover (57) surrounding the upper part of the handling cylinder (5) in front view, and the cover (57) is located on the inlet side. More appropriately, the upper left inclined surface (57a) is expanded into a square shape, and the business trip surface portion (61).
And the return port (60) is provided in the business trip surface (61).
And a second reduction pathway (62) from
The exit side of the route (62) of the business trip surface portion (61) is formed in a bent surface (63) so as to sequentially follow the inclined surface (57a), and the second return route (6) is passed through the second return port (60).
The second reductant introduced in 2) is configured to be sequentially turned on the exit side of this path (62) to a state along the original inclined surface (57a).

As is clear from the above, the sorting cylinder (5) is provided inside the handling chamber (27), and the sorting mechanism (6) for sorting the agglomerated substances falling below the handling cylinder (5); The second reduction conveyor (2) which takes out the second reduction product from the sorting mechanism (6)
In the combine where 3) is provided, a second reduction horizontal conveyor chamber (48), which is a second reduction chamber, is provided substantially outside the front part of the handling chamber (27) in the entire left and right width, and the second reduction horizontal conveyor chamber (4) is provided.
8) The second reduction conveyor (23) is connected to the left end of the second reduction horizontal conveyor chamber (48), and the right end of the second reduction horizontal conveyor chamber (48) is the second charging chamber inside the handling chamber (27) . two
From the front side to the service room (2).
7) One side of the upper part is bulged to raise the uppermost surface of the handling cylinder (5).
On the lower side of rotation as a point, the reduced product second reduction route (62)
Is formed .

On the inner circumferential surface of the upper cover (57), a reductant guide plate (64) for covering the right side of the return path (62) on the inlet side and a handling chamber (28) from the input port (28). 27)
A reed valve (65) for guiding the processed material introduced into the inside toward the path (62) from the inlet side to the outlet side above the handling cylinder (5), and a processed material outlet of the reed valve (65) A workpiece downward guide plate (66) for guiding the workpiece moving downward by the rotation of the handling cylinder (5) to the side and to the exit side of the path (62) is hung down, and the business trip surface (61) is suspended. ) And the guide plates (64) and (66) are formed with the second reduction passage (62) in the space portion, and when the reductant in the passage (62) reaches the outlet side, the direction is gradually changed. And the reed valve (6
5) and a processing object guided by the guide plate (66).

In this embodiment, the second reduced material falling on the second gutter (44) is configured as described above, and the second reduced material falls on the second reduced tube (23), the horizontal conveyor (49) and the lower (50). ) Through the return port (60) to the second return path (6).
After being sent to 2), it is merged with a new product in the handling room (27) at the outlet side of the path (62) and re-threshed. In this case, the return port (60) is used as the handling cylinder (5).
The reduced matter which is opened outside the surrounding surface of the upper cover (57) surrounding the above, and which has just been introduced into the second reduction passage (62), flows through the respective guide plates (64), (66) and the handling chamber (2).
The processed material immediately after being introduced into 7) is guided by the reed valve (65) and the guide plate (66), respectively, and moves toward the outlet side. Therefore, the reduction immediately after being introduced into the reduction port (60). The object moves the distance reduction path (62) appropriately without being disturbed by the processing object in the handling room (27), and then moves the bent surface (63).
And then smoothly merges with the processed material guided downward by the guide plate (66), and re-threshing is performed. There is no accident such as clogging of the reduced product near the reduction port (60). In addition, problems such as the occurrence of damaged grains caused by suddenly being beaten by the screw blade (25) having a high peripheral speed immediately after the introduction and the backflow to the supply chamber (18) side are resolved, and a good re-threshing process of the reduced product Is performed. The bent surface (63) includes a curved surface.

[0016]

As is clear from the above embodiments, the present invention provides a sorting machine in which a handling cylinder (5) is provided in a handling chamber (27), and at the same time, a separated product falling to the lower side of the handling cylinder (5) is sorted. In a combine provided with a mechanism (6) and a second reduction conveyor (23) for taking out a second reduction product from the sorting mechanism (6),
A second reduction chamber (48) is provided outside the front of the handling chamber (27), and the second reduction conveyor (2) is provided in the second reduction chamber (48).
3), the second reduction chamber (48) is connected to the second charging chamber (62) inside the handling chamber (27) from the front side, and the upper side of the handling chamber (27) is bulged. And then put the second piece on the lower rotation side starting from the uppermost surface of the handling cylinder (5).
A chamber (62) is formed, and a second charge is placed at a position where the amount of the threshing material sent by the rotation of the handling cylinder (5) is minimized.
Since the chamber (62) Ru provided, double-dip loading chamber of the threshing chamber (27)
(62) , it is possible to easily prevent the deagglomerated material from entering the connection portion of the second reduction chamber (48) on the front side, and the second reduction conveyor (2)
The clogging of the second reduced product in 3) can be easily prevented, and
The pressure at which the second reduced product is sent to the handling chamber (27) can be reduced more easily than before, and the reduction of the particle size reduction efficiency due to the reduction of the second reduced product to the handling room (27) and the reduction of the inside of the handling chamber (27) Clogging can be easily prevented , and the support strength of the front of the handling cylinder (5)
Securing a shall be able to easily carry out such.

[Brief description of the drawings]

FIG. 1 is a partial external view of a handling drum cover.

FIG. 2 is an overall side view of the combine.

FIG. 3 is a plan view of the same.

FIG. 4 is an explanatory side view of a threshing unit.

FIG. 5 is an explanatory sectional view of a horizontal conveyor section.

FIG. 6 is an explanatory sectional view of a second reduction thrower portion.

FIG. 7 is an explanatory front view of a handling drum cover.

FIG. 8 is a sectional plan view of the same.

[Explanation of symbols]

(5) Handling cylinder (6) Sorting mechanism (23) 2nd reduction cylinder (2nd reduction conveyor) (27) Handling room (48) 2nd reduction horizontal conveyor room (2nd reduction room) (62) 2nd reduction product Reduction route (second charging room)

Claims (1)

(57) [Claims] 1. A sorting mechanism (6) for setting a handling cylinder (5) in a handling chamber (27), and sorting out agglomerated substances falling below the handling cylinder (5), and the sorting mechanism (6). In the combine provided with the second reduction conveyor (23) for taking out the second reduction product from the second reduction chamber (4), the second reduction chamber (4) is provided outside the front of the handling chamber (27).
8), the second reduction conveyor (23) is connected to the second reduction chamber (48), and the second reduction chamber (4) is connected.
8) is connected to the second charging chamber (62 ) inside the handling chamber (27) from the front side, and the upper side of the handling chamber (27) is bulged to make the uppermost portion of the handling cylinder (5). On the lower side of rotation starting from the top surface,
A combine having a charging chamber (62) formed therein .