JP2002345323A - Threshing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve working efficiency of a threshing work. SOLUTION: The threshing apparatus comprises the following units: a threshing section 8 whose threshing cylinder 7 lays in the front and rear directions, and the space below which is surrounded with a threshing net 9; a winnower section 15 placed below the threshing section 8; a swinging grading device 16 placed in the winnower section 8, and grading grains by means of blast and swinging of a blasting winnower 10; and a treating device S placed at the side of the threshing section 8 and treating threshed products charged from the threshing section 8 or tailing products supplied from a tailing-product conveyer 22. The front end of the treating device S and the front end of the swinging grading device 16 are positioned ahead of the front end of the threshing net 9 of the threshing section 8 or the front board 28 axially provided with the front end of the threshing cylinder 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing apparatus.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. 7-85690 discloses a threshing chamber provided with a handlebar in the front-rear direction, a wind selection chamber provided below the threshing chamber, and a blower provided in the wind selection chamber. A rocking sorting device that sorts grains by blowing and rocking Karino, and a processing device that is provided at the side of the threshing room and processes threshing material that has entered from the threshing room or secondary material from the second conveyor. A threshing apparatus having the same.

[0003]

The above-mentioned known example has a problem that the threshing efficiency is low because the swing sorting device is provided in the wind selection chamber below the threshing chamber. The present invention improves the threshing processing efficiency by improving the arrangement configuration.

[0004]

An object of the present invention is to improve work efficiency in threshing work.

[0005]

SUMMARY OF THE INVENTION The present invention comprises a threshing chamber 8 surrounded by a handling net 9 below a handling cylinder 7 in the front-rear direction, a wind selection chamber 15 provided below the threshing chamber 8, and a wind selection chamber. A rocking sorting device 16 provided in the chamber 15 for selecting grains by blowing and swinging of the blower fan 10, and a threshing room 8 provided on the side of the threshing room 8.
And a processing device S for processing threshing material entered from the second or second product from the second conveyor 22. The front end of the processing device S and the front end of the oscillating sorting device 16 are provided in the net of the threshing room 8. 9 or a front plate 28 on which the front end of the handling cylinder 7 is mounted.
It is a threshing device positioned more forward, and is supplied with threshing from the threshing room 8 or second from the second conveyor 22 to the processing device S extended to the front side, and is processed.
The processed material of the processing device S and the threshed material of the threshing room 8 are rock-sorted by a rocking sorting device 16 extended to the front side. According to the present invention, in the above-described apparatus, the processing apparatus S is a threshing apparatus provided at the same or slightly higher position as the lower part of the threshing chamber 8, and the processed material is removed from a higher position than the conventional processing apparatus S. Drop and spread widely. According to the present invention, in the above-mentioned apparatus, the swing sorting apparatus 1 located forward of the front plate 28 is provided.
The extension transfer shelf 18 and the extension processing device S are surrounded by an extension casing 31, and the treatment device upper plate 33 located above the treatment device S in the extension casing 31 and the transfer above the extension transfer shelf 18. Between the upper plate 34 and the lower plate 34, which is inclined lower toward the upper plate 33 of the processing apparatus.
In the threshing apparatus formed in No. 5, the processed material scattered and discharged by the rotation of the processing drum 29 is guided by the inclined plate 35 and diffuses widely, thereby making the layer thickness on the transfer shelf 18 uniform. According to the present invention, the processing apparatus S is configured to transfer the processed material toward the front side opposite to the threshing room 8, and the processing apparatus S is provided with a processing apparatus discharge port 36 at a lower position on the front side of the processing apparatus S, At least the extended transfer shelf 1 of the sorting device 16
The portion 8 is a threshing device inclined so that the processing device S side is raised, and the processed material by the processing device S discharges the processed material from the processing device discharge port 36 to the start end side from the threshing room 8, Threshing room 8 is not discharged onto the thresh below the starting end,
The layer thickness on the transfer shelf 18 is made uniform. The present invention is directed to a processing cylinder 29 which is an extension of the processing apparatus S on the front side of the front plate 28.
Is a threshing device provided with a diffusion blade 43,
The diffusion blade 43 diffuses and discharges the material processed by the processing apparatus S, and makes the layer thickness on the transfer shelf 18 uniform. The present invention is a threshing apparatus in which a cross flow fan 44 is provided on a processing drum 29 at an extension of the processing apparatus S on the front side of the front plate 28, and the cross flow fan 44 is a processing product by the processing apparatus S. Is diffused and discharged, and the layer thickness on the transfer shelf 18 is made uniform. The present invention is a threshing apparatus provided with a guide body 46 which is inclined rearward in a plan view on the side of the processing apparatus discharge port 36.
4 diffuses and discharges the processed material of the processing apparatus S, and transfers the processed material to the terminal side.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings of a combine. 1 is a body frame of the combine, 2 is a traveling device provided below the body frame 1, and 3 is a body frame 1.
A threshing device 4 is provided above the threshing device 3, a harvesting unit 5 is provided on the front side of the threshing device 3, a grain tank 5 is provided on a side of the threshing device 3, and a control unit 6 is provided on the front side of the grain tank 5.
At the upper part of the threshing device 3, there is provided a threshing chamber 8 on which a handling cylinder 7 is mounted, and the lower side of the handling cylinder 7 is mainly surrounded by a handling net 9,
A casing 11 of the air blower 10 is provided below the handling net 9, and the blower blower 10 blows air toward the axial end side (rear side) of the handle drum 7. That is, the grain culm supply device 12 that supplies the grain culm to the threshing room 8 changes the grain culm transport direction from the front to the rear, and the blast of the blast 10 is blown toward the rear side. From the lower part of the threshing chamber 8 to the rear, an air selection chamber 15 is formed in which the grains and foreign matter can be selected by the blowing of the blowing fan 10. A swing sorting device 16 that swings back and forth is provided. Swing sorting device 16
Forms a transfer shelf 18 having transfer projections 17 juxtaposed in the swinging direction at the start end thereof, and a sheave 19 for separating kernels and foreign matter is provided following the transfer shelf 18; Is provided. Reference numeral 21 denotes a first conveyor provided below the sheave 19, reference numeral 22 denotes a second conveyor, and reference numeral 23 denotes a suction / discharge fan provided on the end side of the air selection chamber 15 for sucking dust and straw chips.

At the side of the threshing chamber 8, the second waste returned from the second waste conveyor 26 from the dust treatment chamber 25 or the second conveyor 22 for processing the unprocessed material entered from the threshing chamber 8 is processed. Any one of the processing apparatuses S in the second processing chamber 27 is provided, and the starting end of the processing apparatus S and the starting end of the transfer shelf 18 of the swinging sorting apparatus 16 are connected to the front end or the handling net 9 of the threshing chamber 8. The front end of the body 7 is located forward of the front plate 28 on which the shaft is mounted. That is, in FIG. 2, the processing device S is formed in a dust processing chamber 25 for processing unprocessed material entered from the threshing chamber 8, and in FIG. 3, the second product returned from the second conveyor 22 by the second return device 26. Is configured in a second processing chamber 27 for processing. Further, the processing apparatus S is positioned above the handling net 9 by “L”, and the diffusion of the processing object falling from the processing apparatus S to the transfer shelf 18 is improved. That is, even if the lowest part of the processing net 30 that surrounds mainly the lower side of the processing cylinder 29 of the processing apparatus S is located at the same or higher position as the lower part of the handling net 9, even if the entire processing apparatus S is arranged at a high position. Good.

The portion of the transfer shelf 18 and the portion protruding forward from the front plate 28 of the processing apparatus S is surrounded by the extension casing 31, and the casing front plate 32 of the extension casing 31 is attached to the front end of the processing cylinder 29. Is mounted. The extension unit casing 31 includes a processing unit upper plate 33 located above the processing unit S and a transfer unit upper plate 34 above the transfer shelf 18.
And an inclined plate 35 which is inclined downward toward the processing apparatus upper plate 33 side. In this case, the processing device S is formed so as to transfer the processed material to the front side opposite to the threshing room 8, and a processing device discharge port 36 is provided below the processing device upper plate 33. The function as a guide for guiding the diffusion direction of the processing object discharged from S can be expected, which is preferable. In addition, transfer shelf 1 to be extended
8 and the processing device S, when extended to at least the front end position of the entrance upper door 38 below the grain culm supply port 37 provided in the front plate 28, can effectively use the space without making the entire device unnecessarily large. It is suitable. Thus, in the embodiment, the dust processing cylinder 41 is provided coaxially behind the processing cylinder 29 of the processing apparatus S, and the rear dust processing apparatus 40 is provided to improve the dust processing efficiency.

However, in the processing apparatus S formed so as to transfer the processed material to the front side opposite to the threshing chamber 8, the processing apparatus S is provided at the portion of the outer periphery of the processing cylinder 29 located on the side of the handling net 9. Is provided with a processing tooth 42, and a diffusion blade 43 is provided on the processing cylinder 29 of the extension part. In addition, when the cross flow fan 44 is provided in the processing drum 29 of the extension part in place of the diffusion blade 43, a wind selection action can be expected due to the occurrence of wind in addition to the diffusion action, and the wind selection chamber 15 is substantially formed. It is suitable to extend forward from the threshing room 8 to improve the sorting and processing performance. 45 is a suction port. Further, it is preferable to provide a guide body 46 that is inclined rearward as it reaches the side at the upper lower surface of the extension casing 31 because the sorting and processing performance can be further improved. Further, at least the portion of the extension transfer shelf 18 located in the extension casing 31 is inclined so that the processing device S side is higher, so that the transfer object is diffused in the left-right direction.

Next, the operation of the configuration of the embodiment will be described. When the aircraft is driven by the traveling device 2, the culm is cut by the cutting unit 4, and the cut culm is supplied to the threshing room 8, and the threshing room 8
The fallen material which is threshed by the rotating handling cylinder 7 in the inside and falls from the handling net 9 falls onto the transfer shelf 18 of the swing sorting device 16,
It is transferred by the transfer projection of the transfer shelf 18 and reaches the sheave 19. On the sheave 19, the swaying sheave 19 and the air blown by the air blower Karin 10 separate the straw waste and the grain, and the grain and a little straw waste fall from a gap between the sheave 19 and the sheave 19.
The non-falling straw waste which does not fall from the gap moves to the discharge side by the swinging of the swinging sorting device 16 and the blowing of the air blower Karin 10, and the dust and straw waste is suctioned and discharged at the terminal side of the wind selection chamber 15. Straw that is sucked out by the fan 23 and not sucked by the suction / dust fan 23 reaches the straw rack 20, and straw that does not fall from the straw rack 20 is discharged outside the machine. The second product collected by the second conveyer 22 is returned to the threshing room 8 or the second processing room for processing, and is again supplied to the air selection chamber 15 to be subjected to air selection processing.

At the side of the threshing room 8, there is provided a processing device S for processing threshing material entering from the threshing room 8 or the second product returned from the second return device 26. The starting end of the transfer shelf 18 of the swinging and sorting device 16 is positioned forward of the front end of the handling net 9 of the threshing room 8 or the front plate 28 on which the front end of the handling cylinder 7 is mounted. S and the extended transfer shelf 18, the processing step (time) is increased in the processing apparatus S to improve work efficiency and work accuracy, and the extended transfer shelf 18 is located in front of the threshing room 8. Therefore, threshing material that falls in large quantities at the beginning of the threshing room 8 spreads and falls to the extended transfer shelf 18 located on the front side of the threshing room 8, thereby diffusing the transferred material on the transfer shelf 18, Transfer. In this case, since the processing device S is provided at the same or slightly higher position as the lower part of the threshing room 8, the processed material from the processing device S is diffused in the width direction of the transfer shelf 18, and supplied to the wind selection chamber 15. Uniform in the width direction,
Improve wind selection.

That is, the lowest part of the processing net 30 that mainly surrounds the lower part of the processing cylinder 29 of the extension processing unit S (processing unit S) is located at the same level or higher than the low part of the handling net 9, and Is disposed at a high position, the processing object is spread in the width direction of the extension transfer shelf 18 when it falls from the high position. Further, the extension transfer shelf 18 and the extension processing device S
Is a processing device upper plate 33 surrounded by the extension casing 31 and located above the processing device S of the extension casing 31.
And the transfer unit upper plate 34 above the transfer shelf 18 is formed as an inclined plate 35 which is inclined downward toward the processing device upper plate 33 side. And the diffusion in the width direction of the transfer shelf 18 is improved. When the processing apparatus S is formed so as to transfer the processed material to the front side opposite to the threshing room 8 and the processing apparatus discharge port 36 is formed below the processing apparatus upper plate 33, the processing apparatus S The processed material scattered and discharged by the rotation of the pipe 29 is guided by the inclined plate 35 so as to be diffused in the width direction of the transfer shelf 18, and the supply to the wind selection chamber 15 is made uniform in the width direction, so that the wind selection operation is performed. Improved and preferred.

In this case, the processing apparatus outlet 36 is connected to the threshing room 8.
Is located on the front side of the front end of the handling net 9, so that the threshing material that falls in a large amount at the start end of the threshing chamber 8 falls onto the extended transfer shelf 18 on the front side and does not merge, and is well diffused. . Further, in the embodiment in which the processing apparatus S is replaced with the dust processing chamber 25 for processing the unprocessed material entered from the threshing room 8, the second product is returned to the extended transfer shelf 18 for processing. It falls well on the extended transfer shelf 18 portion on the front side of the threshing material that falls in a large amount and does not join, and is well diffused. Further, in the embodiment in which the processing device S is formed in the second processing chamber 27, the processing cylinder 29 becomes the second processing cylinder and the second product is returned to the extension transfer shelf 18, so that the grain separation by the extension processing device S is performed. As the processing proceeds, the extended transfer shelf 18 does not join the large amount of thresh at the beginning of the threshing chamber 8 to improve diffusion.
Further, if at least the portion of the extended transfer shelf 18 is inclined so that the side of the processing apparatus S becomes higher, the diffusion of the transferred matter in the left-right direction is further improved.

In the processing apparatus S formed so as to convey the processed material to the front side opposite to the threshing chamber 8, the processing teeth are provided at the portion of the outer periphery of the processing cylinder 29 which overlaps with the side view handling net 9. 42, and the diffusion blade 43 is provided on the processing cylinder 29 of the extension part, so that the processed material discharged from the processing apparatus discharge port 36 does not stick into the handling net 9 from the outside, and The light is diffused in the width direction of the transfer shelf 18 by the diffusion blade 43 without being affected by the wind generated by the rotation. That is, since the wind generated by the rotation of the handling cylinder 7 blows toward the processing apparatus S, the wind falls against the processing object falling from the processing apparatus S and becomes a resistance against diffusion. Since it is located on the front side than 8, it is not affected by the wind generated by the rotation of the handling cylinder 7.
Further, instead of the diffusion blade 43, the processing cylinder 29 of the extension portion is replaced.
When the cross flow fan 44 is provided, wind is generated toward the counter-processing device S in addition to the diffusing action.
The wind selection operation can be expected above, and the wind selection room 15 is substantially extended forward from the threshing room 8, which is suitable for improving the sorting and processing performance. When a guide body 46 is provided on the upper lower surface of the extension casing 31 and inclined rearward as it reaches the side, the air blown from the cross flow fan 44 is guided to the end side of the wind selection chamber 15 by the guide body 46. To promote transfer and diffusion by the transfer shelf 18,
It is suitable.

[0015]

According to the present invention, a threshing chamber 8 surrounded by a handling net 9 below a handle cylinder 7 in the front-rear direction, a wind selection chamber 15 provided below the threshing chamber 8, and a blower provided in the wind selection chamber 15 A rocking and sorting device 16 for sorting kernels by blowing and rocking of Karamin 10; and a threshing material provided at the side of the threshing room 8 to process threshing material from the threshing room 8 or second products from the second conveyor 22. Processing equipment S
And the front end of the processing apparatus S and the swing sorting apparatus 1
Since the front end of the threshing unit 6 is a threshing device that is located forward of the front end of the handling net 9 of the threshing room 8 or the front plate 28 on which the front end of the handling cylinder 7 is axially mounted, the extension processing device S The part improves the processing efficiency and accuracy,
The eight portions allow the threshing from the beginning of the threshing chamber 8 to spread well without being merged. In the present invention, since the processing device S is a threshing device provided at the same or slightly higher position as the lower portion of the threshing chamber 8, the processing device S can diffuse well. According to the present invention, the extension transfer shelf 18 and the extension processing device S of the swing sorting device 16 located forward of the front plate 28
1 and between the processing device upper plate 33 located above the processing device S of the extension casing 31 and the transfer unit upper plate 34 above the extension transfer shelf 18 is on the processing device upper plate 33 side. Since the threshing device is formed on the inclined plate 35 which is inclined downward as it goes down, the processed material from the processing device S is guided by the inclined plate 35, and the diffusion on the transfer shelf 18 is improved. According to the present invention, the processing apparatus S is configured to transfer the processed material to the front side opposite to the threshing room 8, and the processing apparatus discharge port 36 is provided at a lower position on the front side of the processing apparatus S, At least the extended transfer shelf 18 portion of the sorting device 16 is a threshing device that is inclined so that the processing device S side is raised.
Good diffusion on top. The present invention relates to the front plate 28.
Since the threshing device is provided with the diffusion blade 43 on the processing cylinder 29 in the extension of the processing device S on the front side, the diffusion on the transfer shelf 18 is good. The present invention is directed to a processing cylinder 2 of an extension of the processing apparatus S on the front side of the front plate 28
9 is a threshing apparatus provided with a cross flow fan 44, so that the diffusion on the transfer shelf 18 is improved. Since the present invention is a threshing device in which a guide body 46 that is inclined rearward in a plan view is provided on the side of the processing device discharge port 36, diffusion on the transfer shelf 18 is good.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a vertical side view of the threshing apparatus.

FIG. 3 is a vertical side view of a threshing apparatus according to another embodiment.

FIG. 4 is a vertical sectional side view of FIG. 3;

FIG. 5 is a vertical sectional front view of the threshing apparatus.

FIG. 6 is a plan view of the same.

FIG. 7 is a front view of the same.

FIG. 8 is a longitudinal sectional front view of another embodiment of the threshing apparatus.

FIG. 9 is a plan view of the same.

FIG. 10 is a longitudinal sectional front view of the same.

FIG. 11 is a plan view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body frame, 2 ... Traveling device, 3 ... Threshing device, 4 ...
Cutting part, 5 ... Glen tank, 6 ... Control part, 7 ... Handling cylinder, 8
... Threshing room, 9 ... Handling net, 10 ... Blasting fan, 11 ... Casing, 15 ... Winding selection room, 16 ... Swing sorting device, 17 ... Transfer projection, 18 ... Transfer shelf, 19 ... Sheave, 20 ... Straw rack, 21 ... first conveyor, 22 ... second conveyor, 23 ...
Suction and exhaust fan, 25: Dust processing chamber, 26: Second return device, 27: Second processing chamber, 28: Front plate, 29: Processing cylinder, 3
0: treatment net, 31: extension casing, 32: casing front plate, 33: treatment device upper plate, 34: transfer unit upper plate,
Reference numeral 35 denotes an inclined plate, 36 denotes a processing device discharge port, 41 denotes a dust processing cylinder, 42 denotes a processing tooth, 43 denotes a diffusion blade, 44 denotes a cross flow fan, 45 denotes a suction port, and 46 denotes a guide body.

Claims (7)

[Claims] 1. A threshing room 8 in which a lower part of a handling cylinder 7 in the front-rear direction is surrounded by a handling net 9, and a wind selection chamber 1 provided below the threshing room 8
5, a swing sorting device 16 provided in the wind sorting chamber 15 for sorting grains by blowing and swinging of the blower Karino 10;
And a processing device S for processing threshing material entered from the threshing chamber 8 or second product from the second conveyor 22, the front end of the processing device S and the swing sorting device 16. The front end is the front end of the handling net 9 of the threshing room 8 or the handling cylinder 7
A threshing device in which the front end of the threshing device is located forward of the front plate 28 on which the shaft is mounted. 2. The threshing apparatus according to claim 1, wherein the processing apparatus S is provided at the same or slightly higher position as the lower part of the threshing chamber 8. 3. The extension transfer shelf 18 and the extension processing device S of the swing sorting device 16 located in front of the front plate 28 according to claim 1 or 2,
1 between the processing unit upper plate 33 located above the processing unit S of the extension casing 31 and the transfer unit upper plate 34 above the extension transfer shelf 18 on the processing unit upper plate 33 side. A threshing device formed on an inclined plate 35 that inclines lower as it reaches. 4. The method according to claim 1, 2 or 3.
In the above, the processing apparatus S is configured to transfer the processed material toward the front side opposite to the threshing chamber 8, and the processing apparatus discharge port 36 is provided at a lower position on the front side of the processing apparatus S, and the swing sorting apparatus At least an extended transfer shelf 18 portion of 16
A threshing device inclined so that the processing device S side is raised. 5. The threshing apparatus according to claim 4, wherein a diffusion blade 43 is provided on the processing cylinder 29 in an extension of the processing apparatus S on the front side of the front plate 28. 6. The threshing apparatus according to claim 4, wherein a cross-flow fan is provided on the processing cylinder 29 at an extended portion of the processing apparatus S on the front side of the front plate. 7. The threshing apparatus according to claim 5, wherein a guide body 46 is provided on a side of the processing apparatus discharge port 36 and inclined rearward in a plan view.