JPH1175510A - Oscillator main body for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To further improve sorting performances by an oscillatory sorting apparatus installed below the thresher of a combine harvester. SOLUTION: The oscillating machine body 51 of an oscillatory sorting apparatus 10 is divided into upper and lower two stages and individually oscillated. An upper oscillating main body 70 is arranged in the whole length of the rocking and selecting apparatus. A grain pan 71 at the front part of the upper oscillating machine body 70 is installed below the front half part of a threshing cylinder 20 and a chaff part 72 connected to a part behind the grain pan 71 is laid below the rear half part of the threshing cylinder. Plural cylindrical bodies 74 are arranged behind the chaff part 72. The chaff part 86 of a lower oscillating machine body 80 is placed below the chaff part 72 and the cylindrical body 74. Further a suction fan 30 is installed above the rear part of the upper oscillating machine body 70 and another suction fan 91 is set behind the lower oscillating machine body 80.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for further improving the ability of a combine swinging and sorting apparatus to sort first, second and straw waste.

[0002]

2. Description of the Related Art Conventionally, grain stalks that have been cut by a cutting unit are inherited by a feed chain, the tip side is guided into a handling room above a threshing and sorting device, and threshing is performed by a handling cylinder. The crimping net disposed below the trunk leaks onto the swing sorting device, and the swing sorting device includes a sorting body,
Karino, the first conveyor, the second conveyor, etc., which are arranged below the sorting main body, are arranged. The sorting body is pivotally supported at a front portion thereof and is swingably driven at a rear portion of the sorting body, thereby swinging the sorting body in the front-rear direction. In addition, the sorting main body was provided with a grain pan for receiving the leaked paddy and a chaff section for sorting behind the grain pan. Further, below the sorting body, there is an opening for introducing a sorting wind from Karino, etc., while performing swinging the swinging body, performing specific gravity sorting and wind sorting, the first thing, the second thing, The waste was sorted into straw waste, the sorted first waste was stored in a Glen tank, the second waste was sorted again, and the waste was discharged from the rear of the machine. Further, the chaff portion is constituted by a plurality of chaff fins provided horizontally in the left-right direction,
The angle of inclination of the chaff fin is adjusted according to the thickness of the chaff layer composed of grains and straw chips, the inclination angle of the chaff fin is changed, and when the chaff fin is thick, the inclination angle is increased, and the chaff fin is substantially vertically And increased the amount of leakage.

[0003]

However, in the conventional swinging body, when a large amount of grain culm is conveyed at a time into the threshing device and a large amount of paddy is threshed, it is placed on the Glen pan in front of the sorting body. Paddy and the like are deposited in layers. Even if this paddy layer is sent to the chaff section, there is a limit to the wind power of Karino and the like, so that the wind sorting does not function, and even if the inclination angle of the chaff fin of the chaff section is increased, specific gravity sorting by swinging is performed. There was also a limit, and the sorting became insufficient, and there was a risk that the second product was dropped on the conveyor side first and the second product was mixed into the Glen tank. As described above, the sorting ability of the swinging body was limited, and in order to increase the traveling speed of the combine during work, a swinging body having a structure with a higher sorting ability was required.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a swinging body of a swing sorting device arranged below a combine threshing device. Provided. Further, the swing main bodies provided in two stages above and below are individually driven to swing. In addition, a suction fan is disposed above the upper part of the swinging body provided above and below the two swinging bodies, and another suction fan is provided behind the lower swinging body. Further, the upper swing body and the lower swing body of the swing body provided in two stages vertically are swing driven in directions opposite to each other.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problem to be solved by the present invention and the means for solving it are as described above. Next, the configuration of the embodiment shown in the attached drawings will be described. FIG. 1 is a side view of the whole combine, and FIG. 2 is a side view showing a threshing apparatus and a swing sorting apparatus of the present invention.

Referring to FIG. 1, the entire structure of the combine will be described. The body frame 2 is mounted on the crawler type traveling apparatus 1, and the raising / rearing device 8 is arranged at the front end of the body frame 2 so as to be able to move up and down. The cutting and reaping device 8 projects the weeding board 3 at the front end to sown the culm, and raises the stalk to the rear to raise the case 4.
The raising of the tine raises the grain stem by the rotation of the tine protruding from the case 4, and cuts the root of the plant with the cutting blade 5 disposed at the rear of the weeding board 3, and the upper transport device, the lower transport device, It is transported to the rear by the vertical transport device 6, and the vertical transport device 6
The feedstock is passed from the upper end of the feed chain 7 to the feed chain 7 and conveys the culm into the threshing device. The provided straw cutter device 17 cuts the delivered straw and discharges it to the field. On the side of the threshing device, a Glen tank 12 for storing the sorted fine granules is provided, and in front of the Glen tank 12, an operation unit 19 is provided.

As shown in FIG. 2, the threshing apparatus 9 has a handling cylinder 20 and a dust outlet processing cylinder 21 laid horizontally with its axis centered in the handling room. A swing sorting device 10 is formed below the bottom. Handling cylinder 20 of the handling room
Is formed to have a long overall length, and the teeth 27
Are planted. A crimping net 31 is provided around the lower part of the handling cylinder 20 so that only the paddy and small straw chips leak and are sorted in the sorting room. The dust outlet processing cylinder 21 is laid horizontally on the side of the Glen tank 12 in parallel with the handling cylinder 20, and the front end of the dust outlet processing cylinder 21 is arranged on the side of substantially the center of the handling cylinder 20 in the front-rear direction. And the dust outlet processing cylinder 21
The rear part of the thruster 9 projects further rearward than the rear end of the handling cylinder 20 and extends to the rear end of the threshing device 9. A suction fan 30 is provided laterally on the side of the rear part of the dust port processing cylinder 21.

Therefore, the handling cylinder 20 formed long in the front-rear direction
By this, the time for the cereal stem to pass can be lengthened,
The shedding performance by the handling cylinder 20 is improved. Further, a long range of the front part of the dust processing port processing cylinder 21 is wrapped around the rear part of the handling cylinder 20 in a side view, and the particles attached to the branch cane which could not be processed at the front part of the processing cylinder 20 are removed. It is thrown into the front part, the gap between the lower surface of the handling cylinder 20 and the crimping net 31 does not accumulate, and the gap is enlarged. Paddy is not mixed in the straw. Then, in the dust outlet processing cylinder 21, the particles attached to the branch stalk and the like are processed while being conveyed backward, and the straw chips and the like are conveyed rearward, sucked by the suction fan 30, and discharged outside the machine. .

In the sorting room below the threshing device, a two-stage swinging body 51 of the present invention, Karino 35, pre-fan 41 and the like, which will be described later, are arranged. Sorting and wind sorting are used to sort the first, second and straw waste. Further, the first conveyor 22 and the second conveyor 23 are provided horizontally in the left-right direction at a position in the front-rear halfway below the two-stage swing main body 51. A frying conveyor 13 is connected to the other side of the first conveyor 22, and the first thing leaked onto the flow tray 28 of the first conveyor 22 passes through the first conveyor 22 and the frying conveyor 13. To the Glen tank 12. Further, a reduction conveyor 62 is connected to the other end of the second conveyor 23, and a discharge port at the other end of the reduction conveyor 62 is arranged facing the front side of the crimping net 31. The second product leaked onto the running board 29 of the second conveyor 23 is reduced through the second conveyor 23 and the reduction conveyor 62, and is sorted again.

Next, a description will be given of the swinging main body 51 formed in two stages vertically in the present invention. The oscillating main body 51 includes a pre-oscillating main body 70 formed above and a main oscillating main body 80 formed below. The pre-oscillation body 70
Is disposed below the front end of the handling cylinder 20, and the rear end of the pre-oscillation body 70 extends to below the rear part of the dust outlet processing cylinder 21. The front end of the main swing main body 80 is
The rear end of the main swing main body 80 is disposed below the rear end of the dust outlet processing cylinder 21. The rear lower surface of the main swing main body 80 is swingably driven by a swing drive mechanism 69 such as a crankshaft or the like.
0 It is pivotally supported by a roller 68 disposed on the lower surface of the front part. The pre-oscillation body 70 is also pivotally supported by a roller 75 disposed on the front side surface, and the rear part of the pre-oscillation body 70 is pivotally supported by an oscillation drive mechanism 76 such as a crankshaft. The main oscillating main body 80 and the pre-oscillating main body 70 are oscillatingly driven in opposite directions to cancel each other to reduce vibration.

At the front end of the pre-oscillation body 70, a Glen pan 71 is formed. The Glen pan 71 is formed so that the plate is corrugated and the paddy is easily transported backward. The rear portion of the grain pan 71 extends to a substantially central position in the front-rear direction of the handling cylinder 20. A lower surface behind the rear portion of the Glen pan 71 is opened, and a chaff portion 72 is formed behind the rear portion of the Glen pan 71 so as to be connected to the Glen pan 71. The chaff portion 72 includes a plurality of chaff fins 73.
73 ... are arranged horizontally, and the tilt angles of the chaff fins 73 are adjusted by an interlocking mechanism (not shown). The chaff fins 73 are provided horizontally below the rear end of the handling cylinder 20. Behind the chaff portion 72, straw racks 74, 74,. The rear ends of the straw racks 74
0 extends to the rear end. In addition, behind the chaff 72,
Instead of the straw racks 74, a rod-shaped body such as a sieve line may be arranged.

A guide pan 81 is formed at the front of the main swing main body 80. The rear portion of the guide pan 81 extends to the lower portion of the rear portion of the Glen pan 71 of the pre-oscillation body 70. A second Glen pan 82 is formed by lowering the lower rear portion of the guide pan 81 by one step. The guide pan 81 and the second Glen pan 82 are formed so that the plate is corrugated so that the paddy can be easily transported backward. At the front of the second Glen pan 82, a sorting air inlet 83 is opened, and the second Glen pan 82 is opened.
The rear portion extends to below the midway position of the chaff portion 72 of the pre-oscillation body 70. The second Glen pan 82 bulges rearward and downward from the rear part thereof to form a bulge 84, and a dropout 85 is opened on the lower surface of the bulge 84. In addition, behind the second Glen pan 82, the second Glen pan 82
A chaff portion 86 is formed so as to be connected to. The plurality of chuff fins 87 are horizontally provided on the chaff portion 86, and the chuff fins 87 are arranged by an interlocking mechanism (not shown).
The tilt angles of 87 ... are adjusted. The chaff section 8
6 has a fixed chaff portion 88 formed at the rear. The lower portion of the chaff portion 86 is covered by a mesh-shaped Glen sheave 89 from the front portion of the drop port 85 to the middle position rearward, and the upper portion of the conveyor 22 is covered.

At the front of the main swinging main body 80, a horizontal processing cylinder 90 is provided in a horizontal direction, and conveys the second articles and the like reduced from the reduction conveyor 62 to the left side in the traveling direction. The second thing is put in the front part. A second suction fan 9 is provided at a rear portion of the main swing main body 80.
1 is provided horizontally. The second suction fan 91 is formed over the entire width of the swing main body 51, and the suction force is improved.

A pre-fan 41 is disposed below and in front of the main oscillating main body 80, and a Karin 35 is disposed below the main oscillating main body 80 at an intermediate position in the front-rear direction.
The wind from the pre-fan 41 introduced from the
The paddy or the like dropped from the guide pan 81 to the second Glen pan 82 is blown rearward through the space between the lower surface 1 and the upper surface of the second Glen pan 82. Further, a part of the wind that has passed through the lower surface of the guide pan 81 is blown up as a selective wind from the chaff 72 of the pre-oscillation main body 70. By the swing of the pre-oscillation main body 70 and the sorting wind, the paddy and the like are sorted by the specific gravity in the chaff 72, and a relatively large piece of straw waste and a part of the second thing are conveyed backward, and the straw racks 74, 74,. -The straw chips are loosened above, and the large straw chips are sucked by the suction fan 30 and discharged outside the machine.

The first object and the second object are mixed by the specific gravity selection of the chaff portion 72, and the main swing main body 80 is formed.
Of the second grain pan 82 and the front part of the chaff 86. .., The second swinging body 80 is dropped below the straw racks 74, 74.
Is dropped on the rear portion of the chaff portion 86 and the fixed chaff portion 88.

Further, the guide pan 8 of the main swing main body 80 is provided.
The remaining wind that has passed through the lower surface and has not been blown up is conveyed onto the chaff portion 86 of the main swinging main body 80, and the paddy and the like on the chaff portion 86 are sorted by the wind. Furthermore,
The wind from the Karino 35 passes through the drop 85 and is blown up as a selective wind from the chaff 55, and the main swinging body 80
The specific gravity sorting by the chaff unit 86 is performed by the swing of the swing and the sorting wind. The first thing leaked from the front part of the chaff part 86 onto the flocking board 28 of the first conveyor 22, the second thing from the rear part of the chaff part 86 and the fixed chaff part 88, and the first thing that could not be sorted out Is leaked onto the running board 29 of the second conveyor 23. Small straw waste is sucked by the second suction fan 91. Therefore, it is discharged outside the machine, and the swinging bodies 70 and 80
Large amounts of paddy etc. are sorted into first, second and straw waste.

[0017]

As described above, the present invention has the following effects. That is, as described in claim 1, by providing two swinging bodies of the swinging sorting device at the top and bottom, even if a large amount of grain stalks are processed at once by the threshing unit, the swinging body on the upper swinging body is first placed on the upper swinging body. After being sorted by the upper swinging body, it is sorted by the lower swinging body side, and is roughly sorted by the upper swinging body on the lower swinging body. After the paddy etc. is leaked, the burden of sorting by the lower swinging body is reduced, and a large amount of paddy etc. leaked from the upper swinging body is surely leaked to the conveyor side first, Sorting performance is improved. And, even if the work speed of the combine is further increased, even if a large amount of grain culm is transported to the threshing unit and a large amount of paddy etc. is threshed, it can be sorted efficiently by this rocking body, and the work efficiency is greatly improved. Significant improvement is possible.

Further, since the swing main body is provided in two stages in the upper and lower directions, each of the upper and lower swing main bodies can be individually driven to swing. For example, the lower swing main body is provided. In order to perform efficient sorting by driving with a predetermined driving force, the upper swing body can swing with a drive suitable for sorting paddy etc. that leaks in large quantities, and the sorting performance can be improved Can be improved.

Further, since the suction fan is arranged above the rear portion of the upper swinging body and another suction fan is arranged behind the lower swinging body, the upper swinging body can be swung upward. The main body sorts paddy etc. roughly, and the large straw waste can be sucked by the upper suction fan and discharged out of the machine. The lower swinging body allows the first, second and straw The waste can be sorted out, and the straw waste can be sucked by a suction fan disposed behind the lower swinging body and discharged out of the machine.
Also, the amount of straw waste mixed with the second thing from the lower swinging body is reduced, and the amount of the second thing returned to the front of the swinging body from the second conveyor is reduced, The sorting performance of the swing sorting device is improved.

Further, since the upper swing body and the lower swing body of the swing body provided in two stages vertically are driven to swing in directions opposite to each other, the swing movement is achieved. Can cancel each other up and down, vibration is reduced, and the sorting operation can be performed stably.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a side view showing a threshing apparatus and a swing sorting apparatus of the present invention.

[Explanation of symbols]

 Reference Signs List 9 threshing device 10 swing sorting device 20 handling cylinder 30 suction fan 51 swing body 70 pre-swing body 71 Glen pan 72 chaff 74 straw rack (bar-shaped body) 80 main swing body 86 chaff 91 second suction fan

Claims (4)

[Claims] 1. A swinging main body of a combine in a swinging sorter disposed below a combine threshing device, wherein the swinging main body is provided in two stages vertically. 2. A swing body of a combine, wherein the swing bodies provided in two stages in the vertical direction according to claim 1 are individually swing-driven. 3. A suction fan is disposed above the rear part of the swinging body above the swinging body provided in two stages above and below, and another suction fan is arranged behind the lower swinging body. The swinging body of the combine, characterized in that: 4. The swing of a combine, wherein the upper swing body and the lower swing body of the swing body provided in two stages in the vertical direction are driven to swing in directions opposite to each other. Moving body.