JP2018102151A - Thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thresher capable of suppressing an occurrence of grain loss by sorting air of a winnower.SOLUTION: A thresher includes a threshing part 1 for subjecting reaped grain culms to threshing treatment, a sorting part 2 for swinging and sorting threshed products subjected to the threshing treatment in the threshing part while conveying them, a first grade product recovery part 34 for recovering a first grade product flowing down from the sorting part 2, a second grade product recovery part 35 located on the downstream side of the first grade product recovery part 34 in a conveying direction for recovering a second grade product flowing down from the sorting part 2, a second sub-winnower 16 provided between the first grade product recovery part 34 and the second grade product recovery part 35 for blowing air toward the rear upper part so that it passes over the second grade product recovery part 35, and a shutter 43 capable of opening and closing an air outlet 42 of the second sub-winnower 16.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a threshing apparatus provided with a threshing unit for threshing a harvested cereal meal.

  For example, Patent Document 1 describes a conventional threshing apparatus. In the threshing apparatus described in Patent Document 1, a threshing unit that threshs the harvested cereal meal, a sorting unit that swings and sorts a threshing processed product that has been threshed in the threshing unit, and 1 that flows down from the sorting unit. There is provided a first recovery unit for recovering the waste and a second recovery unit that is located on the downstream side of the first recovery unit in the transport direction and recovers the second item flowing down from the sorting unit. Further, this threshing device is provided between the No. 1 recovery unit and the No. 2 recovery unit, and is capable of blowing wind toward the rear and upper side so as to pass above the No. 2 recovery unit. And “second sub-garden” in the literature).

Japanese Patent Laid-Open No. 2006-67225

  However, with the above-described conventional technology, it has been impossible to adjust the amount of air supplied from Tang Dynasty. In general, the air volume of tang pepper is set according to the amount of processing, so if the processing volume decreases, for example, at the start or end of cutting, the selection air of tang Caused the grain to be blown off with the waste, resulting in a loss.

  In view of the above circumstances, it has been desired to provide a threshing apparatus capable of suppressing the occurrence of grain loss due to the sorting wind of Karatsu.

The threshing device of the present invention comprises:
A threshing section for threshing the harvested cereal meal;
A sorting unit that performs rocking sorting while conveying the threshing processed product threshed in the threshing unit,
A first collecting unit for collecting the first item flowing down from the sorting unit;
A second collecting unit that is located downstream of the first collecting unit in the transport direction and collects the second item flowing down from the sorting unit;
Kara, provided between the No. 1 recovery part and the No. 2 recovery part, and capable of blowing wind toward the rear upper side so as to pass above the No. 2 recovery part,
And a shutter capable of opening and closing the hot air outlet.

According to the present invention, when the amount of processing is large, for example, during a cutting operation, etc., the shutter is opened, and the waste is efficiently blown off at the location above the second collection unit by the selection air of the red pepper. Therefore, it is possible to improve the processing efficiency. On the other hand, for example, when the amount of processing is reduced, such as at the start or end of cutting, the shutter is closed to reduce the air volume of the red pepper. The occurrence of loss can be suppressed by making it difficult to blow off.
Therefore, according to this invention, generation | occurrence | production of the grain loss by the sorting wind of a Kara can be suppressed.

In the present invention,
It is preferable that the opening of the shutter can be adjusted.

  According to this configuration, for example, compared with a shutter that can only be switched between two states, a fully closed state and a fully opened state, the opening degree can be changed flexibly according to the variation of the processing amount, so It becomes possible to supply a selection air having an appropriate air volume according to the amount.

In the present invention,
A waste transporting section for transporting the waste after the threshing process;
A waste sensor provided in the waste transport unit and capable of detecting a waste processing amount in the waste transport unit;
It is preferable that the opening of the shutter increases when the amount of waste processing detected by the waste sensor is large, and decreases when the amount of waste processing detected by the waste sensor is small. It is.

  According to this configuration, the air volume of the red pepper can be suitably changed by adjusting the opening degree of the shutter based on the waste processing amount in the waste transporting section.

In the present invention,
In conjunction with the evacuation sensor, it is preferable that the opening area of the suction port of the red pepper becomes large when the evacuation processing amount is large, and the opening area becomes small when the evacuation processing amount is small.

  According to this configuration, the exhaust sensor and the opening adjustment mechanism of the Karatsuo inlet are interlocked so that the opening area of the Karatsuo inlet is automatically adjusted according to the amount of waste disposal. The air volume from the exit can be optimized.

In the present invention,
Provided on the upper side of the sorting unit, provided with a processing amount sensor capable of detecting the sorting processing amount in the sorting unit,
It is preferable that the opening of the shutter increases when the amount of sorting processing detected by the processing amount sensor is large, and decreases when the amount of sorting processing detected by the processing amount sensor is small. .

  According to this configuration, the air volume of the red pepper can be suitably changed by adjusting the opening degree of the shutter based on the selection processing amount on the upper side of the selection unit.

In the present invention,
In conjunction with the processing amount sensor, it is preferable that the opening area of the red pepper inlet increases when the amount of sorting processing is large, and the opening area decreases when the amount of sorting processing is small.

  According to the present configuration, the processing amount sensor and the opening adjustment mechanism of the Karatsumi inlet are interlocked so that the opening area of the Karatsumi inlet is automatically adjusted according to the sorting processing amount. The airflow from the can be optimized.

It is a left view which shows typically the inside of a threshing apparatus. It is a left view which shows the periphery of the location of the conveyance direction upstream of a selection part. It is a longitudinal cross-sectional view of the right side view showing the internal structure of the second processing cylinder. It is a cross-sectional view showing the internal structure of the second processing cylinder.

Hereinafter, an embodiment which is an example of the present invention will be described with reference to the drawings.
The threshing apparatus shown in FIG. 1 and the like is of a type that is provided in a self-detaching combine. As shown in FIG. 1, in the threshing apparatus, the threshing unit 1 that handles the tip side of the harvested cereal mash that is nipped and conveyed, and the threshing processed product that has been threshed by the threshing unit 1 is conveyed while being oscillated. A sorting unit 2 that performs the sorting process, a collection unit 3 that collects grains obtained by the sorting process, and the like are provided.

  As shown in FIG. 1, the threshing device includes an upper case 4 that covers the handling chamber C <b> 1 of the threshing unit 1, and a lower part that is provided below the upper case 4 and covers the sorting chamber C <b> 2 of the sorting unit 2 and the collecting unit 3. A case 5 is provided.

  As shown in FIG. 1, the threshing unit 1 includes a continuously-rotating chain with a protrusion that clamps and conveys the harvested cereal grains that are conveyed from the harvesting unit (not shown) of the self-decomposing combiner toward the rear. A holding and conveying mechanism 7 having a feed chain 6, and a drum type that performs a threshing treatment by handling the tip side of the harvested cereal rice cake that is rotationally driven around the rotational axis Y along the front-rear direction and held and conveyed by the holding and conveying mechanism 7 The handling cylinder 8 is provided. In addition, the threshing unit 1 is provided with a receiving net 9 that receives and leaks the threshing processed product processed by the handling cylinder 8.

  As shown in FIG. 1, the threshing processed product separated from the harvested cereal culm by the handling cylinder 8 is selected by leaking the receiving net 9 or by dropping directly from the rear end portion of the handling cylinder 8. Supplied to section 2. On the other hand, the waste (waste) of the harvested cereal after the threshing product has been separated by the handling cylinder 8 is received from the sandwiching and transporting mechanism 7 to the waste transporting unit 10 that transports the waste after the threshing process. Passed. The waste transport unit 10 is provided with a waste chain 11 formed of a continuously variable rotation chain that sandwiches and transports the waste toward the rear. The waste chain 11 discharges the waste toward the outside of the machine. The waste transport unit 10 is provided with a waste sensor 12 capable of detecting the waste processing amount in the waste transport unit 10.

[About the sorting section]
As shown in FIGS. 1 and 2, the sorting unit 2 includes a swing sorting mechanism 13 that sifts and sorts the processed threshing product supplied from the threshing unit 1 backward, and the lower side of the swing sorting mechanism 13. A main tang for fine selection 14 for supplying a selection wind to a fine selection area, etc., a first sub-selection 15 for a coarse selection for supplying a selection wind to an upper coarse selection area in the oscillating selection mechanism 13, a oscillating selection mechanism 13 is provided with a second auxiliary tang 16 (corresponding to “tang tang”) and the like for supplying the sorting wind to the sorting area on the rear side.

  As shown in FIGS. 1 and 2, the swing sorting mechanism 13 includes a frame-shaped sheave case 17 formed in a rectangular shape in a top view, a first grain pan 18 for rough sorting, and a plurality of first sieve wires. 19, a second grain pan 20 for coarse sorting, a plurality of second sieve lines 21, a chaff sheave 22 for coarse sorting, a strolac 23 for coarse sorting, a guide plate 24 in a downwardly inclined posture, and a grain sieve for fine sorting 25 is provided. The rear portion of the sheave case 17 is equipped with an eccentric cam type drive unit 26 that swings and drives the sheave case 17 by power from an engine (not shown).

  As shown in FIG. 1, the first gren pan 18 is disposed on the front side of the coarse sorting region in the sheave case 17. The 1st grain pan 18 conveys the threshing processed material which leaked from the front part side of the receiving net 9 back, selecting a specific gravity difference.

  As shown in FIG. 1, the plurality of first sieve wires 19 are extended from the rear end portion of the first grain pan 18 toward the rear upper side with a constant interval in the left-right direction. The plurality of first sieve lines 19 are supplied to the front end portion of the lower chaff sheave 22 while solving the threshing processed product from the first grain pan 18.

  As shown in FIG. 1, the second gren pan 20 is disposed at a position below the dust feed port 27 on the rear side of the rough sorting region in the sheave case 17. The second glen pan 20 transfers the threshing processed product from the dust feed port 27 backward while selecting the specific gravity difference.

  As shown in FIG. 1, the plurality of second sieve wires 21 are extended from the transfer terminal end of the second grain pan 20 toward the downstream side in the transport direction with a constant interval left and right. The plurality of second sieving lines 21 are supplied to the rear end portion of the lower chaff sheave 22 and the Strollac 23 while solving the threshing product from the second gren pan 20.

  As shown in FIG. 1, the chaff sheave 22 is arranged at a lower position on the rear side (downstream side in the transport direction) than the first grain pan 18 in the rough sorting region of the sheave case 17. The chaff sheave 22 sifts and selects the threshing processed product from the plurality of first sieve lines 19, the threshing processed product leaked from the rear side of the receiving net 9, and the threshing processed products from the plurality of second sieve lines 21. Transport backwards.

  As shown in FIG. 1, the chaff sheave 22 is configured to be adjustable in opening. The chaff sheave 22 is provided with a plurality of char flip plates 28 that are arranged and arranged at predetermined intervals in the front-rear direction so as to be swingable in the front-rear direction (conveyance direction), and change their posture by swinging integrally. ing. Above the chaff sheave 22, a processing amount sensor 29 that detects the layer thickness of the processed material deposited on the chaff sheave 22 as a sorting processing amount is provided. That is, the processing amount sensor 29 is provided on the upper side of the sorting unit 2 and can detect the sorting processing amount in the sorting unit 2.

  The chaff sheave 22 shown in FIG. 1 and FIG. 2 is controlled by the control operation of the control device based on the detection of the processing amount sensor 29, and the opening motor of the chaff sheave 22 is controlled by controlling the electric motor for adjusting the opening of the chaff sheave 22. It is configured to increase when the sorting processing amount is large and to decrease when the sorting processing amount is small.

  As shown in FIG. 1, the Strollac 23 is arranged in a state of being connected to the chaff sheave 22 on the rear side of the chaff sheave 22 in the rough sorting region of the sheave case 17. The Strollac 23 transfers the threshing processed products from the plurality of second sieve lines 21 and the threshing processed products from the chaff sheave 22 to the rear while sieving and selecting them.藁) is discharged out of the machine from a discharge port (not shown) provided at the rear of the swinging selection mechanism 13.

  As shown in FIG. 1, the selection air from the first auxiliary tang 15 is passed through the air path between the first gren pan 18 and the chaff sheave 22 immediately before the chaff sheave 22 in the conveying direction below the first gren pan 18. A separation fluid 15A that is divided up and down is disposed between the first selection air and the second selection air that flows in the air passage between the chaff sheave 22 and the guide plate 24.

  As shown in FIGS. 1 and 2, the front portion of the fluid split 15 </ b> A is in a downwardly inclined posture so that the start end portion of the fluid split 15 </ b> A is positioned downward toward the flow split start end. Thereby, it is comprised so that a wind may go to the ventilation opening of the 1st sub Kara15. The rear part of the diverted fluid 15A is in a rearwardly inclined posture so that the end side portion of the diverted fluid 15A is positioned downward toward the diverted flow end side. Thereby, the wind of the 1st sub tang 15 is comprised so that it may go to the upper part of the char flip board 28 of the conveyance direction uppermost stream side from the termination | terminus part.

  As shown in FIGS. 1 and 2, the guide plate 24 is disposed on the front side of the fine sorting region in the sheave case 17. The guide plate 24 guides the threshing product that has leaked from the front side of the chaff sheave 22 to the rear side.

  As shown in FIGS. 1 and 2, the Glen sheave 25 is disposed on the rear side of the fine sorting region in the sheave case 17. The grain sheave 25 transfers the threshing processed product leaked from the rear side of the chaff sheave 22 and the threshing processed product flown down and guided by the guide plate 24 to the rear while screening.

  As shown in FIG. 1, the diffusion drum 30 is rotated by the power from the engine, thereby solving the threshing processed product supplied to the plurality of second sieve lines 21, and making the single grain contained in the threshing processed product Promote the flow of grains and so on.

  As shown in FIG. 1, the dust exhaust fan 31 is rotated by the power from the engine, and the waste dust is conveyed to the rear and upward by the selected wind from the main tang 14, the first tang 15, and the second tang 16. Aspirate etc. and discharge out of the machine.

  As shown in FIG. 1, the loss damper 32 is configured as a swingable lid, and swings according to the amount of waste. Based on the detection result of the waste sensor 12, the loss damper 32 is pushed by the waste when the discharge processing amount is large, and the opening degree becomes large, and the opening amount becomes small when the waste treatment amount is small. Prevent grain from jumping out of the machine. The loss damper 32 is provided with a damper sensor 33 that detects the opening degree of the loss damper 32. The damper sensor 33 can detect the opening degree of the loss damper 32.

  As shown in FIGS. 1 and 2, the main tongue 14 is disposed below the guide plate 24 of the swing sorting mechanism 13. The main tang 14 rotates with the power from the engine to supply the sorting wind to the threshing processed material, etc., which is finely sorted by the Glen sieve 25, from the lower side of the conveying direction to the upper side of the conveying direction. I do. Thereby, the sawdust etc. with small specific gravity contained in the threshing processed material which is finely selected by the grain sieve 25 are conveyed by wind toward the discharge port.

  When the main tang 14 has a large selection processing amount by controlling the operation of the electric transmission mechanism that changes the rotational driving speed of the main tang 14 by the control operation of the control device based on the detection of the processing amount sensor 29. When the amount of sorting air increases and the amount of sorting processing is small, the amount of sorting air is reduced.

  As shown in FIGS. 1 and 2, the first auxiliary tang 15 is disposed below the first gren pan 18 and in front of the upper portion of the main tang 14. The upper end position of the first sub-tang 15 and the upper end position of the main tang 14 are substantially coincided with each other in the height direction. The rear end position of the first sub-tang 15 and the front end position of the main tang 14 are close to each other in the front-rear direction. The first auxiliary tang 15 is rotated at a constant speed by the power from the engine, so that the threshing product that flows down to the chaff sheave 22 from the rear side of the receiving net 9 and the plurality of first sieve wires 19, and the chaff sheave 22 leaks. For the threshing processed product to be lowered, the sorting wind is supplied from the lower side on the upstream side in the conveying direction to perform wind sorting. Thereby, the sawdust etc. with small specific gravity contained in the threshing processed material roughly selected by the chaff sheave 22 etc. are wind-carryed toward the discharge port.

  With the above configuration, in the sorting unit 2, the threshing processed product from the threshing unit 1 is the first product (single grain) that flows down from the grain sieve 25 and the second product that is supplied to the rear of the grain sieve 25 ( Branched-branch-attached grains, bifurcated grains, and the like) and No. 3 items (such as shredded cereals and sawdust) discharged from the outlet to the outside of the machine can be accurately selected.

  As shown in FIG. 1, in the collecting unit 3, a first collecting unit 34 that collects the first item flowing down from the grain sieve 25 of the sorting unit 2 and a second item that flows down from the rear of the grain sieve 25 of the sorting unit 2 are collected. And a second recovery unit 35 for recovery. The second collection unit 35 is located downstream of the first collection unit 34 in the transport direction.

  As shown in FIGS. 1 and 2, the bottom of the No. 1 recovery unit 34 is rotated by power from the engine, and the No. 1 screw that conveys the No. 1 item recovered by the No. 1 recovery unit 34 to the right. 36 is arranged. At the bottom of the second collection unit 35, a second screw 37 is disposed that rotates with power from the engine to convey the second item collected by the second collection unit 35 to the right.

  As shown in FIGS. 1, 3, and 4, the first item conveyed by the first screw 36 is lifted to the right end of the first screw 36 in conjunction with the first screw 36, and the grain tank A first lifting conveyor 38 for supplying to (not shown) is connected. At the right end of the No. 2 screw 37, a No. 2 processing cylinder 39 for chopping the No. 2 object conveyed by the No. 2 screw 37 in conjunction with the No. 2 screw 37, and a chopping by the No. 2 processing cylinder 39. A second reduction conveyor 40 that returns the processed second item to the sorting unit 2 is connected.

[Details of the second vice Kara]
The second sub-tank 16 shown in FIG. 1 rotates at a constant speed with the power from the engine, thereby supplying the sorting air from the lower side on the upstream side in the conveying direction to the threshing processed material leaking from the Strollac 23. Wind sorting. Thereby, the sawdust etc. with small specific gravity contained in the threshing processed material selected by Strollac 23 etc. are wind-carryed toward the discharge port.

  As shown in FIG. 1, the second auxiliary tang 16 is provided between the first collection unit 34 and the second collection unit 35, and winds rearward and upward so as to pass over the second collection unit 35. It is possible to blow out. The second auxiliary tang 16 takes outside air from a suction port 41 opened on the lower surface of the lower case 5 and blows out air from the blowout port 42.

  As shown in FIG. 1, a shutter 43 capable of opening and closing the air outlet 42 of the second sub tang 16 is provided in the vicinity of the second sub tang 16. The shutter 43 is configured to swing. The shutter 43 is adjustable in opening. Further, an opening degree adjusting mechanism 44 capable of opening and closing the suction port 41 of the second sub-tang 16 is provided in the vicinity of the second sub-tan 16.

  The shutter 43 shown in FIG. 1 has a large opening when the amount of waste processing detected by the waste sensor 12 is large, and a small opening when the amount of waste processing detected by the waste sensor 12 is small. Become. In conjunction with the evacuation sensor 12, the opening area of the suction port 41 of the second auxiliary tang 16 increases when the evacuation processing amount is large, and the opening area decreases when the evacuation processing amount is small. The opening of the shutter 43 is adjusted by driving a first motor (not shown) via a control device (not shown) based on the detection result of the evacuation sensor 12.

  The opening adjustment mechanism 44 can adjust the opening. The opening adjustment mechanism 44 is configured to be swingable. In conjunction with the evacuation sensor 12, the opening area of the suction port 41 of the second auxiliary tang 16 increases when the evacuation processing amount is large, and the opening area decreases when the evacuation processing amount is small. The opening adjustment mechanism 44 performs opening adjustment by driving a second motor (not shown) via a control device (not shown) based on the detection result of the evacuation sensor 12.

  As a result, the air volume supplied from the second auxiliary tang 16 increases when the amount of processing in the threshing device is large, such as during the harvesting operation of the self-removing combine. As a result, the waste that is likely to drop to the upper portion of the second collection unit 35 or the waste conveyed by the Strollac 23 is well blown toward the discharge port, and the waste that is supplied to the second collection unit 35 Since the quantity of the waste contained in the 2nd thing reduce | restored by the selection part 2 is reduced, the processing efficiency of a threshing apparatus can be improved.

  In addition, when the processing amount in the threshing device is reduced for a while after the start of the mowing operation in the self-detaching combine, or when the processing amount in the threshing device decreases, the amount of air supplied from the second sub-tang 16 decreases. Thereby, it is avoided that the grain contained in the waste conveyed by the Strollac 23 is blown toward the discharge port, and the occurrence of the grain loss can be avoided.

[About the air guide members related to the main tangs]
As shown in FIG. 2, the air outlet 42 formed between the upper plate portion 45 and the lower plate portion 46 in the main tang 14 has a first air guide member 47 and a first air guide member 47. And a second air guide member 48 positioned below. Each of the first air guide member 47 and the second air guide member 48 has a triangular shape having a vertical width that increases toward the rear in a side view.

  A part of the wind of the main tongue 14 is supplied to a location near the front end portion of the grain sieve 25 through the first air passage W1 formed between the upper plate portion 45 and the first air guide member 47. A part of the wind of the main tongue 14 is supplied to the vicinity of the front and rear center of the grain sieve 25 through the second air passage W2 formed between the first air guide member 47 and the second air guide member 48. A part of the wind of the main tongue 14 is supplied to a location near the front end portion of the grain sieve 25 through the third air passage W3 formed between the second air guide member 48 and the lower plate portion 46.

  As described above, the first wind guide member 47 and the second wind guide member 48 are provided, and the wind of the main tang 14 is branched into the first wind path W1, the second wind path W2, and the third wind path W3. Therefore, for example, even if the height position of the sheave case 17 is changed, a windless region is generated in the grain sheave 25 and the chaff sheave 22 by appropriately changing the shapes of the first air guide member 47 and the second air guide member 48. You can avoid that.

[About the cutting edge of No. 2 processing cylinder]
As shown in FIGS. 3 and 4, the second processing cylinder 39 is provided with a plurality of blade members 51 on a drive shaft 50 that is rotationally driven. A plurality of vertical plates 53 and a plurality of cutting blades 54 are provided on the inner surface side of the processing case 52 of the second processing cylinder 39. A plurality of cutout grooves 55 are arranged side by side along the axial direction of the drive shaft 50 at the tip of each blade member 51. In other words, each blade member 51 has a rake-like shape with a branched tip.

  When the drive shaft 50 is driven to rotate, the second member in the processing case 52 is pressed and conveyed by the blade member 51 so that the corresponding vertical plate 53 and cutting blade 54 pass between the notch grooves 55 of the blade member 51. It has become. Due to the interaction between each notch groove 55 of the blade member 51 and the vertical plate 53, the second item is handled, and the grain size in the second item is promoted. Then, due to the interaction between each notch groove 55 of the blade member 51 and the cutting edge 54, the waste contained in the second object is shredded. As a result, the second processing cylinder 39 can reduce the second product subjected to the grain sizing process and the shredding process to the sorting unit 2 by the second reduction conveyor 40.

[Another embodiment]
Hereinafter, another embodiment in which the above embodiment is modified will be described. The following other embodiments can be applied in combination with the above embodiment as long as no contradiction arises. The scope of the present invention is not limited to the contents shown in each embodiment.

(1) In the above embodiment, an example in which the opening degree of the shutter 43 can be freely adjusted is illustrated, but the present invention is not limited to this. For example, a shutter that can selectively switch between only two states of a fully closed state and a fully open state may be used.

(2) In the above embodiment, the oscillating shutter 43 is illustrated, but the present invention is not limited to this. For example, a sliding shutter 43 may be used.

(3) In the above embodiment, an example in which the opening degree of the shutter 43 is changed in conjunction with the evacuation sensor 12 is illustrated, but the present invention is not limited to this.

(3-1) For example, the opening degree of the shutter 43 may be changed in conjunction with the selection processing amount detected by the processing amount sensor 29. In this case, the opening of the shutter 43 increases when the amount of sorting processing detected by the processing amount sensor 29 is large, and the opening of the shutter 43 decreases when the amount of sorting processing detected by the processing amount sensor 29 is small.

(3-2) For example, the opening degree of the shutter 43 may be changed in conjunction with the opening degree of the loss damper 32 detected by the damper sensor 33. In this case, the opening of the shutter 43 increases when the opening of the loss damper 32 detected by the damper sensor 33 is large, and decreases when the opening of the loss damper 32 detected by the damper sensor 33 is small. Become. Alternatively, the loss damper 32 and the shutter 43 are mechanically connected, and the opening of the shutter 43 increases when the opening of the loss damper 32 increases, and the opening of the shutter 43 decreases when the opening of the loss damper 32 decreases. May be made smaller.

(4) In the above embodiment, the shutter 43 is automatically controlled to open and close based on the detection result of the sensor capable of detecting the processing amount, but is not limited thereto. The opening degree of the shutter 43 may be manually adjustable according to work conditions and the like. In this case, a notch is provided in the side plate of the lower case 5, and the shutter 43 is attached to a predetermined position of the notch of the side plate of the lower case 5 with a butterfly bolt or the like. Thereby, the opening degree of the shutter 43 can be manually adjusted arbitrarily according to the mounting position of the shutter 43 in the notch.

(5) In the above embodiment, the swing type opening degree adjusting mechanism 44 is illustrated, but the present invention is not limited to this. For example, a slide-type opening adjustment mechanism 44 may be used.

(6) In the above embodiment, an example in which the opening degree of the opening degree adjusting mechanism 44 is changed in conjunction with the evacuation sensor 12 is illustrated, but the present invention is not limited to this.

(6-1) For example, the opening degree of the opening degree adjusting mechanism 44 may be changed in conjunction with the selection processing amount detected by the processing amount sensor 29. In this case, in conjunction with the processing amount sensor 29, the opening area of the suction port 41 of the second auxiliary tang 16 is increased when the amount of sorting processing is large, and the opening area is decreased when the amount of sorting processing is small. Also good. In other words, the opening adjustment mechanism 44 has a large opening when the amount of sorting processing detected by the throughput sensor 29 is large, and a small opening when the amount of sorting processing detected by the opening adjustment mechanism 44 is small. Become.

(6-2) For example, the opening degree of the opening degree adjusting mechanism 44 may be changed in conjunction with the opening degree of the loss damper 32 detected by the damper sensor 33. In this case, the opening adjustment mechanism 44 increases when the opening of the loss damper 32 detected by the damper sensor 33 is large, and decreases when the opening of the loss damper 32 detected by the damper sensor 33 is small. Will be. Alternatively, the loss damper 32 and the opening degree adjusting mechanism 44 are mechanically connected to each other, and when the opening degree of the loss damper 32 increases, the opening degree of the opening degree adjusting mechanism 44 increases and the opening degree of the loss damper 32 decreases. Then, the opening degree of the opening degree adjusting mechanism 44 may be reduced.

(7) In the above-described embodiment, the opening adjustment mechanism 44 is exemplified to automatically open and close based on the detection result of the sensor capable of detecting the processing amount, but is not limited thereto. The opening degree of the opening degree adjusting mechanism 44 may be manually adjustable according to work conditions and the like. In this case, a notch is provided in the side plate of the lower case 5, and the opening adjustment mechanism 44 is attached to a predetermined position of the notch of the side plate of the lower case 5 with a butterfly bolt or the like. Thereby, the opening degree of the opening degree adjusting mechanism 44 can be manually adjusted arbitrarily according to the attachment position of the opening degree adjusting mechanism 44 in the notch.

(8) In the above embodiment, the suction opening 41 is illustrated as being opened on the lower surface of the lower case 5, but is not limited thereto. For example, a suction port may be opened in the side plate of the lower case 5.

(9) In the above embodiment, an example in which the shutter 43 and the opening adjustment mechanism 44 are provided is illustrated, but the present invention is not limited to this. For example, only one of the shutter 43 and the opening adjustment mechanism 44 may be provided.

  INDUSTRIAL APPLICATION This invention can be utilized for the threshing apparatus provided with the selection part which carries out rocking selection, conveying the threshing processed material threshed in the threshing part.

1: Threshing part 2: Sorting part 10: Exclusion conveyance part 12: Exclusion sensor 16: 2nd sub-tang
29: Processing amount sensor 34: No. 1 recovery part 35: No. 2 recovery part 41: Suction port 42: Air outlet 43: Shutter

Claims (6)

A threshing section for threshing the harvested cereal meal;
A sorting unit that performs rocking sorting while conveying the threshing processed product threshed in the threshing unit,
A first collecting unit for collecting the first item flowing down from the sorting unit;
A second collecting unit that is located downstream of the first collecting unit in the transport direction and collects the second item flowing down from the sorting unit;
Kara, provided between the No. 1 recovery part and the No. 2 recovery part, and capable of blowing wind toward the rear upper side so as to pass above the No. 2 recovery part,
A threshing apparatus comprising: a shutter capable of opening and closing the air outlet of the red pepper.   The threshing apparatus according to claim 1, wherein the shutter is adjustable in opening. A waste transporting section for transporting the waste after the threshing process;
A waste sensor provided in the waste transport unit and capable of detecting a waste processing amount in the waste transport unit;
The opening of the shutter increases when the amount of waste processing detected by the waste sensor is large, and the degree of opening decreases when the amount of waste processing detected by the waste sensor is small. Item 3. Threshing apparatus according to item 1 or 2.   The interlock area of the exhaust sensor increases the opening area of the suction port of the red pepper when the amount of waste processing is large, and the opening area decreases when the amount of waste processing is small. Threshing equipment. Provided on the upper side of the sorting unit, provided with a processing amount sensor capable of detecting the sorting processing amount in the sorting unit,
The opening degree of the shutter increases when the amount of sorting processing detected by the processing amount sensor is large, and decreases when the amount of sorting processing detected by the processing amount sensor is small. Or the threshing apparatus of 2.   The threshing according to claim 5, wherein in conjunction with the processing amount sensor, when the amount of the sorting processing is large, an opening area of the suction port of the red pepper is large, and when the amount of the sorting processing is small, the threshing is small. apparatus.

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