JPH0748Y2 - Sorter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a sorting device in a combine.

(Prior Art) Conventionally, in this type of sorting apparatus, for example, as shown in Japanese Utility Model Laid-Open No. 54-152060, an oscillating sorting mechanism having a Glensieve is arranged in the lower sorting air passage of the handling chamber, and One piece of gutter which has Karato and a grain board is provided below the swinging and selecting mechanism, and while forming the No. 1 sorting air passage blown up from the Karato to the Glensive side through the grain board of the No. 1 gutter. In the air passage part from the Karato to the No. 1 gutter in the No. 1 selection air duct, a wind direction plate for sending a part of the wind from the Kara No. It is known that an airflow rectifying plate is provided below the Glensive to prevent eddy currents behind the airflow direction plate.

(Problem to be Solved by the Invention) However, in the above-described conventional sorting apparatus, since the disposition position of the flow straightening plate is the upper rear part of the wind direction plate,
Since a part of the wind that is diffused and blown out from the blowing passage of the Karako will be sent to the grain plate by the straightening plate,
According to the current plate, not only is it difficult to send a sufficient amount of wind to the grain plate, but even if an attempt is made to send a uniform and parallel wind to the grain plate from the wind direction plate to the grain plate. The air is locally blown in different directions, which adversely affects the sorting performance in the No. 1 sorting air passage.

Further, since the straightening vanes are located below the Glen sieve, there is also a problem that the grains falling from the Glen sieve fall onto the straightening vanes.

The present invention has been devised in view of the above problems, and its purpose is to use a plurality of wind direction plates and devise the positions of the wind direction plates to evenly distribute the wind to the grain flow plate of the first gutter. It is an object of the present invention to provide a sorting device which can be fed to improve the sorting performance in the No. 1 sorting air passage and prevent the grains falling from the grain sieve from dropping on the wind direction plate.

(Means for Solving the Problem) In order to achieve the above-mentioned object, the present invention provides a swing sorting mechanism (5) having a Glen sieve (9) in the lower sorting air passage of the handling chamber (1). Along with the swing selection mechanism (5), a No. 1 gutter (13) having a Kara (11) and a grain plate (12) is provided, and the No. 1 trough (13) has a grain plate (12). In the sorting device having the No. 1 sorting air passage (A) blown up from the Karato (11) to the Glen Sieve (9) side through the
A plurality of wind direction plates (20) (21) each having a curved portion for bending the wind are provided in the number sorting air passage (A) so that the blowout passages (11a) of the Kara no (11) are vertically and evenly divided. The airflow direction plates (20) (21) are arranged so as to face each other in parallel, and the front end portions of these airflow direction plates (20) (21) are positioned on the inlet side of the blowout passageway (11a) of the Karako (11). 20) The end portions of (21) are aligned with the front end of the front end of the Glen sieve (9).

(Action) Then, the wind blown from the Karato (11) is
Each of the air flow direction plates (20) (21) enters the blowout passageway (11a) which is partitioned by the upper and lower sides substantially evenly, and is divided into the substantially evenly divided portions.

Next, the plurality of substantially evenly divided winds individually bend along the curved portions of the wind direction plates (20) (21) located immediately above the air passages through which the respective winds pass, respectively. Heading toward the grain plate (12) with the parallel to each other. It can be applied at a plurality of places on the grain plate (12).

Further, since the end portions of the wind direction plates (20) (21) are aligned with the front end of the front end of the gren sieve (9), the grains falling from the gren sheave (9) are located in each of the above. Without dropping onto the wind direction plates (20) (21), they can be dropped behind these wind direction plates (20) (21) for reliable wind selection.

(Examples) The drawings show a threshing device equipped with a sorting device according to the present invention, in which (1) is a handling room with a handling barrel (2) inside, and a crimping net (3) is installed below the handling chamber. In addition to the above, a swing selection mechanism (5) swingably supported by a swing link (4) is arranged in the lower sorting air passage of the handling chamber (1).

The swing selection mechanism (5) includes a pair of left and right side plates (6).
The feed pan (7) is provided on the front side of the processed product transfer direction between (6), the first chaff sheave (8) is provided at the rear of the feed pan (7), and the chaff sheave (8) is provided.
A sieve (9) is stretched at a lower position of the sieve, and a sieve line (10) extending rearward is provided at a rear end portion of the sieve (9).
And a second chaff sheave (81) is provided behind the sieve line (10).

Further, below the rocking and sorting mechanism (5), there is provided a Karako (11) that blows wind toward the Glensive (9) and a No. 1 gutter (13) having a grain plate (12), The 1st gutter (1
No. 1 selection air passage (A) blown up from the Karato (11) to the Glen Sieve (9) side through the grain plate (12) of 3)
On the other hand, the second trough (15) having the second trough plate (14) is provided behind the first trough (13) trough plate (12) and the first trough (13) trough. An auxiliary Karako (16) is placed between the board (12) and the front part of the No. 2 grain board (14) of the No. 2 gutter (15),
A second object sorting air passage (B) is blown up to the second chaff sheave (8) side through the second grate plate (14) of the second gutter (15).

A processing cylinder (not shown) extending rearward is disposed on the rear side of the handling chamber (1), and a crimp net (Fig. 5) is provided between the processing cylinder and the swing selection mechanism (5). A Straw rack (17) is swingably arranged by an eccentric wheel mechanism (not shown) via a not shown), and an orthogonal processing cylinder (18) is arranged behind the Straw rack (17).

Then, the second product dropped on the second gutter (15) is returned to the processing cylinder through the reduction cylinder (19) provided on the conveyor end side of the second gutter (15), and the unprocessed product. Reprocessing is performed.

In the figure, (19a) is a suction fan provided above the Straw rack (17) for discharging dust to the outside of the machine.

The present invention provides the above-mentioned 1
Two wind direction plates (20) (21) in the number sorting air passage (A),
The blowout passageways (11a) of the Karato (11) are arranged in parallel so as to divide the airflow passages (11a) into upper and lower parts, and each of the wind direction plates (20) is arranged.
The front end of (21) is located on the inlet side of the blowout passageway (11a) of the Karako (11), and the end of each wind direction plate (20) (21) is located in front of the front end of the Glensive (9). They were aligned and positioned. In the embodiment shown in the drawings, each of the wind direction plates (20) (21) is shaped like a letter "V" in a side view, and the respective tops of the wind direction plates (20) (21) are connected to the blowout passageway (11).
It is located above the outlet of a), one end side of which is arranged rearward and upward substantially parallel to the rear end of the bottom wall of the Karako (11) side air passage, and the other end side is the outlet passage (11a). Is arranged in the downward direction from the upper side of the outlet side of the grain shedding plate (13), and both ends in the length direction thereof are fixed to the machine wall of the threshing device.

The auxiliary air flow direction plate may be provided in two pieces as shown in FIG. 1 or may be further increased in number.

Further, the auxiliary Kara (16) has, for example, a shutter (3
0) etc. is provided to adjust the opening amount of the shutter (30) so that the wind force of the auxiliary Kara (16) is made large at the time of wheat cutting, standard at the time of rice cutting, and 3 When the number of losses is high, it should be small.

As a result, when selection is poor, or when cutting wheat,
The wind force of the auxiliary Karin (16) is increased to discharge cuttings and branch shoots out of the machine to bring the No. 2 reduction closer to the grain to improve sorting efficiency and prevent the No. 2 conveyor from clogging. Three
When the number of losses is high, the wind force of the auxiliary Kara (16) can be reduced to suppress the loss.

In addition, the wind force adjusting device (30) has an interlocking means for an angle adjusting lever (not shown) of the horizontal rail so that the wind power adjusting apparatus (30) can be adjusted simultaneously with the angle adjustment of the horizontal rail (81) of the first chaff sheave (8). It is preferable to interlock with each other.

The present invention is configured as described above, and the falling objects such as grains falling from the grain sieve (9) after being sorted by the swing sorting mechanism (5) are passed from the Karato (11) to the Glen sieve (9). ) Side, when the wind is selected by the wind, the wind blown from the Karato (11) first enters the blow passage (11a) which is partitioned by the wind direction plates (20) (21) substantially vertically. The plurality of winds, which are substantially evenly divided and then substantially evenly divided, are individually and individually arranged in the respective wind direction plates (20) (2) located immediately above the air passages through which the respective winds pass.
Curved along the curved portion of 1), and in a state where they are arranged in parallel, from the end of each wind direction plate (20) (21) toward the grain plate (12) of the first gutter (13). Of.

That is, the wind blown into the blow-out passageway (11a) is divided into upper and lower substantially evenly, and the wind direction plates (20) are respectively divided.
Since the wind direction is individually controlled by (21), it is possible to change the wind direction in the vertical direction in the blowout passageway (11a) by causing the wind to flow substantially uniformly without stagnant or uneven flow of the wind. Therefore, it is possible to apply a uniform wind to a wide area of the grain plate (12).

As a result, the wind distribution on the grain plate (12) can be made uniform,
It is possible to improve the sorting performance in the first item sorting air passage.

Further, since the end portions of the wind direction plates (20) (21) are aligned in front of the front end of the gren sheave (9), drops of grains falling from the gren sheave (9) and the like. It is possible to drop the objects behind the wind direction plates (20) (21) without dropping them onto the respective wind direction plates (20) (21) and perform reliable wind selection.

Further, by fixing each of the wind direction plates (20) (21) to the machine wall of the threshing device, the rigidity of the machine body in the threshing device can be improved.

(Effects of the Invention) As described above, according to the present invention, a plurality of wind direction plates (2) having a bent portion for bending the wind are provided in the first item selection air passage (A).
0) (21) are arranged so as to face each other in parallel so as to divide the blowout passageway (11a) of the Karako (11) substantially vertically, and at the same time, these wind direction plates (20) (21) are The front end portion is located on the inlet side of the outlet passage (11a) of the Karako (11), and the end portions of the respective wind direction plates (20) (21) are aligned in front of the front end of the Glensive (9). Therefore, the wind blown into the blow-out passageway (11a) is divided substantially evenly into the upper and lower portions, and the wind direction plates (20) (21) are respectively divided.
Therefore, the wind direction is controlled individually.

Therefore, in the vertical direction in the blowout passage (11a),
Allows the air to flow almost uniformly without stagnating or drifting the wind,
The direction of the wind can be changed, and uniform wind can be applied to a wide area of the shedding plate (12).

As a result, the wind distribution on the grain plate (12) can be made uniform,
It is possible to improve the sorting performance in the first item sorting air passage.

Further, since the end portions of the wind direction plates (20) (21) are aligned with the front end of the front end of the gren sieve (9), the grains falling from the gren sheave (9) are located in each of the above. Without dropping onto the wind direction plates (20) (21), they can be dropped behind these wind direction plates (20) (21) for reliable wind selection.

[Brief description of drawings]

FIG. 1 is a side view of a combine threshing and sorting unit with a sorting device according to the present invention, in which some parts are omitted. (1) …… Handling room (5) …… Rotating sorting mechanism (9) …… Glensieve (11) …… Karamitsu (12) …… Grain plate (13) …… No.1 gutter (20) (21) ...... Wind direction plate

Claims (1)

[Scope of utility model registration request] 1. An oscillating sorting mechanism (5) having a Glen sieve (9) is arranged in a lower sorting air passage of a handling room (1), and a Karako (11) is placed below the oscillating sorting mechanism (5). ) And a first gutter (13) having a grain board (12) are provided, and from the Karato (11) to the Glen sieve (9) side through the grain panel (12) of the first gutter (13). In a sorting device in which a No. 1 sorting air passage (A) is blown up, a plurality of wind direction plates (20) (21) having curved portions for bending the wind in the No. 1 sorting air passage (A).
Are arranged so as to face each other in parallel so as to divide the blowout passageway (11a) of the Karako (11) substantially vertically, and the front end portions of these wind direction plates (20) (21) are arranged at the front end of the Karako (11). It is characterized in that it is located on the inlet side of the blow-out passageway (11a) of (11), and the end portions of the wind direction plates (20) (21) are aligned in front of the front end of the Glensive (9). Sorter to do.