JP3287492B2 - Shaking sorter of threshing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swing sorter for a threshing machine for sorting unsorted materials from a handling room by a swing sorter mounted from a lower portion of a handling room to a dust chamber behind the handling room. Things.

[0002]

2. Description of the Related Art Conventionally, as the unloading material from the handling room falls and the starting end of the chaff sheave shifts from the end to the end, the sorting action by the oscillating motion and the sorting wind progresses, and the dust on the chaff sheave is removed. Although the ratio increases and it becomes easier to pass between the fins at the terminal end, the untreated material is sent out to the processing drum chamber from the dust outlet that the culm of the handling room opens to the processing alley, and the processed material is processed. In a threshing machine of the type that one side of the rocking sorting body is separated by a crumb, in threshing work when there is morning dew etc., the amount of moisture contained in the dust is increased, the weight increases, and the end of the chaff sheave is located below the bottom. It falls into the No. 2 gutter and circulates in the airframe with the No. 2 gutter, increasing the amount. As a result, the burden is placed on the swinging sorter such as the chaff sheave, and the sorting failure and the third loss increase. There is a problem.

[0003]

SUMMARY OF THE INVENTION According to the present invention, since the conventional threshing machine has the above-mentioned problems,
A threshing machine that provides a solution that can solve the above-described problems by effectively utilizing the sorting wind and suppressing the passage of dust between the fins, and that has good sorting performance without being affected by threshing conditions. Has been attained for the purpose of providing by simple means.

[0004]

SUMMARY OF THE INVENTION In order to provide a threshing machine which can achieve the above-mentioned object, the present invention provides a swing sorter which is mounted from a lower part of a handling chamber to a rear exhaust chamber. The sorting of the stock from the handling room by
The lower end of the fin of the chaff sheave
Folds forward to form a flow-down block, and the lower ends of the fins arranged side by side are bent and extended rearward,
The lower surface of the extension portion is formed as a wind direction guide surface for the sorting wind, and the upper surface is formed as a receiving surface for preventing passage of dust.

[0005]

[Function] As a result, the unloading material from the handling room falls on the swinging sorting body, and the starting end shifts from the starting end to the end due to the swinging movement and the sorting wind blowing through the space between the fins of the chaff sheave from below. As the end shifts to the end, the sorting action progresses, the ratio of dust to the grain increases, and it becomes easier to pass downward between the front and rear fins. At the lower end of the fin
Is formed by bending forward and bending downward and extending rearward so that the upper surface becomes the receiving surface and the lower surface becomes the wind direction guiding surface
An extension portion is formed, and the sorting wind blows rearward along the lower side of the wind direction guide surface, and a rear end portion of the extension portion and a downflow prevention portion at a lower end of the rear fin. during so shunted to and the blow up things.

Accordingly, the dust that is going to pass downward between the front and rear fins is received by the upper surface of the flow-inhibiting portion and the extending portion, and floats by the swinging motion and the separating wind that blows up between the fins. The dust that has passed through the fins is sent to the side, and the dust that has passed between the fins is discharged backward by the sorting wind that blows below the wind direction guide surface, and collected by the second gutter. The mixing of dust particles in the second product is reduced.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a swing sorter according to the present invention. FIG. Is a handling room having a built-in handling cylinder (6), and (3) is extending from below the handling room (1) into the dust exhaust chamber (2) at the rear and swinging in the front-rear direction to move out of the handling room (1). The leaked material, the one that is discharged together with the straw after threshing from the culm opening (7) on the culm side of the handling room (1) and falls, and the one that leaks from the treatment chamber (8) A rocking sorter that receives and sorts, and knows the front, Glen Pan (9)
, A chaff sheave (4) and a straw rack (10) are provided, and a Glen sheave (1) is provided below the chaff sheave (4).
1) is stretched, and these are configured to swing together.

[0008] A pressure fan (12) is provided below the Glen pan (9) for generating a separation wind, and is provided on the lower side of the rocking selection body (3) by the wind blown from the pressure fan (12). (13) is formed to blow through from
4) and (15) are the first and second gutters installed horizontally with the screw conveyor inside, and (16) is stretched along the opening (17) at the side of the dust chamber (2). Feed chain (1
8) A suction / dust exhaust fan provided on the crocodile.

The processing body chamber (8) is opposite to the feed chain (18), and one side of the rocking sorter (3) extends in the front-rear direction from the culm side of the handling chamber (1). The processing cylinder (1) is provided and extends to the side of the dust chamber (2) and is juxtaposed to the handling chamber (1).
9) is rotatably mounted, and its starting end is the handling room (1).
Handling room (1) through the dust outlet (20) opening to the side of the culm
The terminal end communicates with the upper part of the dust chamber (2) through the dust outlet (21). In addition, the second gutter (1
The conveying end of 5) is communicated to the upper part of the Glen pan (9) by a frying cylinder (22), and the feed chain (18)
A straw chain (23) extends obliquely rearward from the terminal end of the chain.

[0010] Then, the cereal culm is threshed by the feed cylinder (6), which is fed across the handling chamber (1) by the feed chain (18) and rotated in the direction of the arrow (a), and the thresh after threshing is discharged. After passing through the mouth of the culm (7), it is succeeded by the straw chain (23) and is carried out to the rear of the machine, and the spillage from the handling room (1) and those falling from the culm mouth (7) are rocking sorting. The swinging motion of the body (3) and the wind generated by the compressed air fan (12) are selected by the sorting wind that blows through the sorting air path (13) from the lower side of the chaff sheave (4). After being collected at (14), the second product is taken out of the second gutter (15) and sent back to the grain pan (9) by the fryer (22) for re-sorting. The dust blown into the dust chamber (2) is sucked by the suction dust fan (16) and discharged outside the machine. . The untreated material sent out from the dust outlet (20) opening to the side of the culm of the handling chamber (1) is provided in the processing drum chamber (8) and is rotated in the direction of the arrow (b). The threshing process is performed while the end is sent to the alligator, and the processed material that falls is dropped on the swinging sorting body (3) to be sorted, and the dust is sucked by the suction / dust fan (16) and discharged outside the machine. You. Those that do not leak from the processing drum chamber (8) are discharged upward from the straw exhaust port (21) toward the upper part of the straw rack (10).

Next, the chaff sheave (4) constituting the swing sorter (3), which is a main part of the present invention, will be described in an enlarged view of FIG. However, all of the fins (5) arranged in parallel from the beginning to the end can change and adjust the inclination angle using the upper end as a fulcrum. Can be adjusted separately, and the lower end of each fin (5) is bent forward diagonally upward, then further diagonally downward to form a "he" shaped flow-down preventing part in side view. (5b) is formed, and if the ends are arranged side by side, a plate that bends in a "<" shape when viewed from the side is polymerized and welded to the back of the fin (5) to integrate the fin (5). ) Is bent and extended even if the lower end is directed backward, and the lower surface is The wind direction guide surface (a), also, the upper surface prevents the passage of downward dust-exhaust product receiving surface (b)
A slight gap is provided between the end of the extension (5a) and the flow-inhibiting portion (5b) of the fin (5) juxtaposed on the rear side. The upper end (14a) of the first gutter (14) is located below the foremost end of the fin (5) having a terminal end, and a convex portion for reinforcing the fin is provided in the width direction of the fin (5). (5c) is formed.

[0012] With this configuration, the selection wind blown out from the compressed air fan (12) through the selection wind path (13) is blown up along the first gutter (14) and blows through the space between the fins (5) from below. The fins (5) that fall on the rocking sorter (3) as described above are formed in the front-rear direction of the fins (5) extending from the starting end where the flow-stopping part (5b) is formed at the lower end to the middle part. The rocking motion and the sifting wind that flows through the sifter allow the sifting to be performed during the transition from the start to the end of the chaff, but the sifting wind that blows up the end of the chaff sheave (4) as indicated by the arrow (c). Is diverted as indicated by the arrow (d), and the lower surface of the extending portion (5a) is blown backward along the lower side of the wind direction guide surface (a), and is directed backward in the direction of the arrow (d). And further diverted from the one that blows away. Falling-preventing portion which is formed at the lower end of the parts and the rear fin (5) so that blown-up from the gap between the (5b).

[0013] Therefore, the dust discharged from the fins (5) at the end of the fin (5) to move downwardly between the front and rear fins (5) will be described above.
The upper surfaces of the downflow preventing portion (5b) and the extending portion (6a) are received by the waist receiving surface (b), and are floated by the swinging motion and the separating wind that blows up between the fins (5) as in (e). The rear dust is sent to the side, and the dust passing between the fins (5) passes along the lower side of the wind direction guide surface (a) (d).
As a result, the dust is discharged rearward by the sorting wind blowing backward, and is discharged outside the machine.

[0014]

As is apparent from the above description, the present invention provides a swing chamber (3) which is mounted from the lower part of the handling chamber (1) to the dust chamber (2) at the rear. It intended for sorting扱卸product from, tea constituting oscillating sorting body (3)
Fold the fin (5) of the sheave (4) forward
The lower ends of the fins (5), which are bent to form the flow-down preventing portion (5b) and are arranged side by side at the ends, are bent and extended even toward the rear.
Te, the lower surface of the sorting wind wind guide surface of the extended portion (5a) (a), and to those of the structure being characterized in that the receiving surface to prevent passage of the upper surface of the dust-exhaust compound (b) From, Cafushi
At the end of the groove (4), the end of the chaff sheave (4) is blown up by the flow preventing portion (5b) and the extension (5a) formed at the lower end of the fin (5). One that blows the wind backward along the lower side of the wind direction guide surface (a) on the lower surface of the extension portion (5a), and one that flows down at the end of the extension portion (5a) and the lower end of the rear fin (5). so as to divert blocking portion to blow up those and between <br/> the (5b), the fins (5) clean room product to be passed downwardly between the falling阻上portion
(5b) and the upper surface of the extension portion (5a) are received by the catching surface (b), and the rear dust is sent to the straw while floating by the swinging motion and the sorting wind blowing up between the fins (5). Also, the dust passing between the fins (5) is discharged rearward by a sorting wind blowing below the wind direction guide surface (a), so that the dust goes to the second gutter (15). Since the sorting degree of the collected second item is improved and the amount of the second item to be circulated in the machine is not increased, there is an effect that the load is not applied to the swinging sorting member (3), and the sorting and the third loss are not caused.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a chaff sheave end member constituting a swing sorting body.

FIG. 2 is a vertical sectional side view of the entire threshing machine.

FIG. 3 is a cross-sectional plan view of the threshing machine.

FIG. 4 is a vertical front view of the threshing machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Handling room 2 Dust chamber 3 Oscillating sorter 4 Chaff sheave 5 Fin 5a Extension part a Wind direction guide surface b Receiving surface 5b Downflow prevention part

Claims (1)

(57) [Claims] A swing sorting body (3) mounted from a lower portion of a handling room (1) to a dust chamber (2) at a rear side sorts unsorted goods from the handling room (1). Of the fins (5) of the chaff sheave (4) that constitute the moving sorter (3)
The lower end is bent forward to form a flow-down block (5b)
And, the lower end portion of the fin (5) which end is crocodile juxtaposed to the rear
The extension part (5a) is bent and extended, and the lower surface of the extension part (5a) is used as a wind direction guide surface (a) for the sorting wind, and the upper surface is used as a receiving surface (b) for preventing the passage of dust. The rocking sorter of the threshing machine.