JP4581263B2 - Combine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention, Ru der thing about the combine.
[0002]
[Prior art]
Conventionally, in a combine threshing device, threshing is performed by threshing cereals that are supplied by a handling cylinder that is pivotally installed in the handling chamber, and the threshing leaked from the receiving net by this threshing and discharged from the outlet of the handling chamber. The threshing that does not leak from the receiving net is dropped on the swing sorting shelf, the fallen cereal is transferred by the transfer shelf of the sorting shelf, and the transferred cereal is sent to the chaff sheave. The grain and small swarf are screened and sorted by sheave, the remaining large swarf is sent to Strollac, and the grain and small swarf are further screened and sorted by the rack. The thing which performed the effect | action discharged | emitted outside was common.
[0003]
In addition, conventionally, dust removal chambers for dust removal of threshing are generally designed to suppress leakage as much as possible by a receiving plate rather than a receiving net in order to effectively reprocess the threshing dust. It was the target.
[0004]
[Problems to be solved by the invention]
However, when swinging and sorting out cereals using such a swing sorting shelf, conventionally, the longer sawdust discharged from the discharge port of the handling chamber is a gap between the chaff sheave blades of the sorting shelf. Since the sheave is clogged and stuck, the sheave is clogged, and the leakage selection is inhibited, and the feeding of the object to be sorted on the sheave is also inhibited.
[0005]
In addition, when reprocessing threshing dusts in the dust disposal chamber, there is a problem that the processing chamber is easily clogged by suppressing leakage of the treated matter.
Accordingly, the present invention is intended to improve the problems in the swing sorting shelf and the difficulties in the dust disposal chamber.
[0006]
[Means for Solving the Problems]
The invention of claim 1 wherein the grain tank (12) and the threshing device on the chassis (8) provided with traveling device (10) to (13) is placed on the right and left rear end of the dehydration grain apparatus (13) And a waste treatment device (13a) with a dust treatment cylinder (5) on the right side of the handling chamber (2) with the treatment cylinder (1) in the threshing device (13). A dust collection chamber (6) is provided, and a dust collection screen (7) surrounding the lower outer periphery of the dust collection cylinder (5) is stretched over the lower swing sorting shelf (3) and exhausted. A lower part of the outlet side wall (29) at the rear end of the dust processing chamber (6) is opened as a rear end discharge port (6a), and the first transfer for transferring the object to be sorted to the swing sorting shelf (3). A shelf (3a), a first chaff sheave (3b) that is provided on the rear side of the first transfer shelf (3a) and can adjust the amount of leakage of the sorting object, and the first A first Strollac (3c) that receives and sorts the waste discharged from the rear end side discharge port (6a) together with the sorting object that does not leak from the cuff sheave (3b) is provided, and the swing sorting shelf (3 The non-porous second transfer shelf (4a) disposed above the first chaff sheave (3b) and the rear side of the second transfer shelf (4a) are provided to adjust the amount of leakage of the objects to be sorted. A second straw that includes a second chaff sheave (4b) that is possible and a rack plate (c) in which the height of the rear portion is alternately changed in the left-right direction, and that sorts an object that does not leak from the second chaff sheave (4b). An auxiliary sorting shelf (4) composed of a rack (4c) is provided integrally with the swing sorting shelf (3), and the rear end portion of the rack plate (c) of the second Strollac (4c) is disposed as a dust exhaust fan. causes face the (45), said second transfer shelf (4a) a threshing chamber ( ), Characterized in that the sorted matter discharged from the discharge port (2a) is provided below the rear end portion of the discharge port (2a) is configured to fall onto the second transfer shelf inorganic hole (4a) And combine .
[0007]
According to a second aspect of the invention, provided the electrical box making (57) for accommodating the electrical components in the space between the right outlet sidewalls (29) and grain tank of the rear end discharge port (6a) (12), The combine according to claim 1 , wherein a lid (57a) that does not protrude from the outlet side wall (29) is attached to the electrical box (57) .
[0008]
[0009]
[0010]
[0011]
【The invention's effect】
When swing sorting is performed by the swing sorting shelf, the sorting object as the discharge from the discharge port of the handling chamber is mixed with a long bag, and in the prior art, the swing is placed below the discharge port of the handling chamber. since the chaff sieve dynamic sorting shelves are located, there was a problem of inhibiting the lower effects or feeding action leakage crowded sticks are Nagawara the blade gap of the chaff sieve, according to the first aspect of the invention, the first A non-porous second transfer shelf (4a) of the auxiliary sorting shelf (4) is arranged above the chaff sheave (3b), and the object to be sorted discharged from the outlet (2a) at the rear end of the handling chamber (2) since a structure that falls onto the second transport rack of the nonporous (4a), that solve the problem of inhibiting the lower effects or feeding action leakage crowded sticks are Nagawara the blade gap of the first chaff sieve (3b) be able to.
[0012]
The rack plate rear height (c) of the second straw rack provided on the auxiliary sorting shelves (4) (4c) a by changing alternately, to promote the screening sieve moderately to stagnate to be sorted matter on top that can, the rack plate end of (c) of the second straw rack (4c) is made to face the dust-exhaust fan (45), it can cause I efficiently rows gravity separation.
[0013]
According to the invention described in claim 2, in addition to the effects of the invention described in claim 1, the outlet side wall (29) on the right side of the rear end side outlet (6a) of the dust disposal chamber (6) and the glen tank Since the lid (57a) of the electrical box (57) provided in the space between (12) does not protrude from the outlet side wall (29), the threshing work smoothly without hindering the flow of the cereal after the threshing treatment It can Rukoto to perform the.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to the drawings.
FIG. 9 shows the overall structure of the combine. A traveling device 10 is installed on the lower side of the chassis 8 with a pair of left and right traveling crawlers 9 traveling on the soil surface. A grain tank 12 for threshing the harvested cereal meal that is supplied by being nipped and transported to the chain 11, selecting and collecting the cerealed grains, and temporarily storing the grains, and cereals for discharging the stored grains to the outside of the machine A threshing device 13 provided with an auger 12a is placed, and a waste disposal device 13a is mounted on the rear end portion of the device.
[0015]
In front of the threshing device 13, a weeding body 14 for weeding uncut corn straw from the front end side, a pulling part 15 for raising the chopped corn straw, and a cutting blade part for cutting the raised corn straw. 16 and a reaping device 18 having a culm transporting portion 17 for transporting the harvested culm backward to the feed chain 11 and the like, so that it can be moved up and down with respect to the soil surface by a hydraulically driven lifting cylinder 19. To be configured.
[0016]
An operation device 20 for controlling the operation of the combine is provided on one side of the threshing device 13 and an operation seat 21 for this operation. The Glen tank 12 is disposed on the rear side of the operation seat 21 and on the lower side. An engine 22 is mounted, and a cabin 23 that covers the operation device 20 and the operation seat 21 is disposed. The traveling device 10, the threshing device 13, the reaping device 18, the operating device 20, the engine 22, the cabin 23, and the like constitute a combine body 24.
[0017]
As shown in FIGS. 3, 4, and 5, the threshing device 13 is provided with a handling chamber 2 and a dust disposal chamber 6 on the upper side, and a sorting chamber 25 on the lower side, respectively. Is configured such that a treatment cylinder 1 for planting a large number of teeth 1a and threshing the cereal is shaft-mounted from the front side toward the rear side.
[0018]
A feed chain 11 that sandwiches and conveys the culm along the handling port 2b on the left side of the handling chamber 2 in plan view, and a nip 26 that clamps the cereal in the feed chain 11 are disposed, and the handling cylinder 1 A handling net 28 surrounding the lower part of the outer peripheral edge of the handle teeth 1a from the handling port 2b to the handling cylinder cover 27 is disposed, and an outlet side end portion of the handling net 28 is connected to the mesh 28. Is configured as a discharge port 2a for threshing residue that does not leak from
[0019]
In the dust removal treatment chamber 6 arranged to extend to the outlet side wall 29 of the threshing device 13 parallel to the right side of the treatment chamber 2 in plan view, the space between the front half, that is, the dust outlet partition plate 30 of the treatment chamber 2 is provided. The second stirring drum 31 having a large number of stirring teeth 31a for stirring while feeding the reduced second product forward and the discharge blades 31b on the front end side is axially configured.
[0020]
Between the dust outlet partition plate 30 having the second stirring drum 31 in the front half portion and the rear end portion, the threshing treatment residue discharged from the dust outlet 30a of the handling chamber 2 is taken in from the front end inlet 5b and the rear. the dust-exhaust processing cylinder 5 planted numerous dust-exhaust processing teeth 5a to be reprocessed while feeding to Jikuka interior, after the outlet side wall 29 near portion of the dust-exhaust processing chamber 6 of the dust-exhaust process cylinder 5 rear The end discharge port 6a is opened and configured.
[0021]
An agitation receiving net 32 surrounding the lower part of the outer peripheral edge of the agitation treatment tooth 31a of the second agitation cylinder 31 is disposed except for the front end side discharge port 32a discharged by the discharge blade 31b, and the dust removal treatment cylinder 5 The dust receiving net 7 having a large mesh surrounding the lower side of the outer peripheral edge of the dust exhausting processing tooth 5a is stepped with respect to the stirring receiving net 32 except for the rear end side outlet 6a of the dust processing chamber 6. At the same time, it is stretched over the lower swing sorting shelf 3.
[0022]
It is to be noted that an electrical box 57 for accommodating electrical components of a square shape and an appropriate size is embedded in the space between the outlet side wall 29 side beside the rear end side discharge port 6a of the dust disposal chamber 6 and the grain tank 12 side. At the same time, the lid 57a is attached so as not to protrude from the surface position of the outlet side wall 29. (Related to dust removal chamber 6: see FIG. 2)
In the sorting chamber 25, the threshing that has been threshed in the handling chamber 2 and leaked from the receiving mesh 31, and the second treatment that has been agitated in the dust processing chamber 6 and discharged from the discharge port 32a of the agitating receiving mesh 32. A vertically elongated swing sorting shelf 3 that performs sorting while transporting an object and a dust-treated product that has leaked from the dust receiving net 7 is provided.
[0023]
As shown in FIG. 1, the oscillating sorting shelf 3 includes a transfer shelf (first transfer shelf) 3a for transferring an object to be sorted by threshing and second processed material toward the lower side, and this transfer shelf 3a. A chaff sheave (first chaff sheave ) 3b that can adjust the amount of leakage of the object to be sorted by changing the gap between the armor blades b, and the object to be separated that does not leak from the sheave 3b, and the rear of the dust disposal chamber 6 A strobac (first strollac ) 3c that receives and sorts the discharge discharged from the end-side discharge port 6a is arranged on the upper stage, and a mesh for selecting the coarse selection leaked from the chaff sheave 3b. The shape of the granular sheave 3d is arranged at the lower stage of the chaff sheave 3b.
[0024]
Functions of the swing sorting shelf 3 corresponding to the transfer shelf 3a, the chaff sheave 3b, and the stroll rack 3c are reduced, and a transfer shelf (second transfer shelf) 4a provided with a plurality of partition plates a in the front-rear direction and a blade An auxiliary sorting shelf 4 provided with a chaff sheave (second chaff sheave) 4b having b and a stroll rack (second stroll rack) 4c for alternately changing the rear side height of the rack plate c is disposed in the discharge chamber 2. Above the chaff sheave 3b of the swinging sorting shelf 3 in the lower position for receiving the threshing residue discharged from the outlet 2a, the transfer shelf 4a is disposed so as to be swingable integrally in a two-stage form with an appropriate interval. Make up.
[0025]
A front side of the swing sorting shelf 3 along the axial direction of the handling cylinder 1 is an upper side, and a swing fulcrum 33 is provided at a lower part of the front end, and a rear side is a lower side and a swing drive cam is provided at a lower part of the rear end. 34 is provided and is constructed so as to be swingable by these actions. Under the upper side of the swing sorting shelf 3, there is arranged a tang 36 that wakes the sorting wind by rotating a plurality of tang blades 35 mounted in the tang wind tunnel and blows it to the sorting air passage W. .
[0026]
A first selection unit that finely sorts the medium selection that has leaked from the sheave 3d into the first grain by blowing air on the fixed first selection shelf 37 below the grain sieve 3d of the swing selection shelf 3. And a second sorting section for roughly sorting the second picked material by blowing air from the Kara 36 on the fixed second sorting shelf 38 on the fixed second sorting shelf 38.
[0027]
An end portion of the lower lip portion 36a of the red pepper discharge port which is linearly extended to the lower side of the bottom plate of the red pepper 36 and the first grain to be flowed down from the first sorting shelf 37 are accommodated by the first spiral 39. The upper side of the first receiving rod 40 to be laterally fed is connected and the lower side is connected to the lower end portion of the first sorting shelf 37.
[0028]
On the back side near the upper end of the first sorting shelf 37, the upper end on the upper side of the second receiving rod 42 that accommodates the second item to be sorted down from the second sorting shelf 38 and laterally feeds it by the second spiral 41 is appropriately used. The lower side of the second sorting shelf 38 is positioned below the lower end of the second sorting shelf 38 with an appropriate spacing, and the upper end of the second sorting shelf 38 is opened to the outside of the machine. Arrange and configure.
[0029]
The second reduction cylinder 43 having a lifting spiral 43a for taking over the second thing that has been laterally fed by the second spiral 41 and pumping it to the dust disposal chamber 6 on the upper side is shown on the right side in a plan view of the threshing device 13. It is installed obliquely on the outer wall surface of the wall 44, and the reduction port 43b of the second reduction cylinder 43 is used to reduce the transferred second reduction product to the rear end position of the second stirring cylinder 28 of the processing chamber 6. Open and configure.
[0030]
On the upper side of the end portions of the strollers 3c and 4c of the swing sorting shelf 3 and the auxiliary sorting shelf 4, the sorting wind of the tang and the sorting dust by the swing sorting of the swing sorting shelf 3 and the auxiliary sorting shelf 4 A dust exhaust fan 45 that discharges dust discharged from the rear end side discharge port 6a of the dust processing chamber 6 to the outside of the apparatus is arranged.
[0031]
The cereals that are nipped and conveyed in the feed chain 11 are threshed by the handling cylinder 1 in the handling chamber 2, and the thresh that has leaked from the receiving net 31 due to this threshing is diffused and dropped onto the transfer shelf 3 a of the swing sorting shelf 3. And this fallen to-be-sorted item is sent to the chaff sheave 3b from the transfer shelf 3a.
[0032]
At the same time, the threshing residue that does not leak from the receiving net 31 due to threshing in the handling chamber 2 is discharged from the discharge port 2a of the handling chamber 2 and falls onto the transfer shelf 4a of the auxiliary sorting shelf 4 below, and this fall The sorted material is sent to the chaff sheave 4b while being sorted by the plurality of partition plates a of the transfer shelf 4a. The sorted material leaked by adjusting the gap between the blades b of the sheave 4b becomes a coarsely selected material, which It falls on the chaff sheave 3b of the moving sorting shelf 3.
[0033]
The object to be sorted remaining on the chaff sheave 4b of the auxiliary sorting shelf 4 is sent to the stroller 4c, and the screening object is moderately stagnated by alternately changing the rear height of the rack plate c in this rack 4c to promote the sieving effect. At the same time, the end portion faces the dust exhaust fan 45 to perform specific gravity selection.
[0034]
The chaff sheave 3b of the swing sorting shelf 3 leaks the sorting object sent from the transfer shelf 3a and the coarsely selected material leaked from the chaff sheave 4b of the auxiliary sorting shelf 4 by adjusting the blade b gap of the sheave 3b. The leaked crude selection is further leaked by the Glen sieve 3d, and the leaked medium selection is wind-selected on the first sorting shelf 37 and the first selected grain is one. It falls on the guard 40 and is laterally fed by the first spiral 39 and conveyed to the Glen tank 12.
[0035]
On the other hand, the threshing processing dust that does not leak from the receiving net 31 is discharged from the dust outlet 30a of the handling chamber 2, and this discharged material is taken in from the front end inlet 5b of the dust processing barrel 5 to be dust-treated teeth. Processing is carried out while being fed backward by 5a, and the processed material leaked from the dust collection screen 7 is diffused and dropped onto the auxiliary sorting shelf 4, and the dropped material to be sorted joins with other materials to be swayed. While dropping on the chaff sheave 3 b of the sorting shelf 3, the dust residue is discharged from the rear end side discharge port 6 a of the dust removal processing chamber 6 onto the stroller 3 c of the swing sorting device 3.
[0036]
The discharged material, the material to be sorted that does not leak from the chaff sheave 3b of the swing sorting device 3, and the rough material that is discharged from the Strollac 4c of the auxiliary sorting device 4 are sent to the Strollac 3c. The waste roughly sorted by the rack 3c is further wind-selected on the second sorting shelf 38 to become the second one, falls on the second receiving rod 42, is laterally fed by the second spiral 41, and the second The reduction cylinder 43 is returned to the rear end position of the second agitation cylinder 31 from the reduction port 43b at the upper end by the lifting by the lifting spiral 43a.
[0037]
This reduced second reduced product is stirred forward while being sent forward by the stirring processing teeth 28a of the second stirring cylinder 31, and from the front end side discharge port 32a to the front end of the transfer shelf 3a of the swing sorting shelf 3. It is discharged and oscillated and transferred.
As described above, when performing the swing sorting by the swing sorting shelf 3, the sorting object as the discharge from the discharge port 2a of the handling chamber 2 is mixed with a long bag, Since the chaff sheave 3b of the swing sorting shelf 3 is located below the discharge port 2a, a long rod sticks into the gap of the blade a of the sheave 3b, and the leakage action and feeding action are roughened. The obstructing factor can be eliminated by the non-hole transfer shelf 4a of the auxiliary sorting shelf 4 disposed above the chaff sheave 3b and the chaff sheave 4b at a position away from the discharge port 2a.
[0038]
In addition, the rack plate c of the stroller rack 4c of the auxiliary sorting shelf 4 can change the rear part height alternately so that the objects to be sorted can be appropriately stagnated to promote sieve sorting, and the terminal part thereof. By allowing the dust exhaust fan 45 to face the specific gravity, the specific gravity can be selected efficiently.
[0039]
Further, the auxiliary sorting shelf below the outer peripheral edge lower side of the dust disposal teeth 5a of the dust disposal cylinder 5 provided in the latter half of the dust disposal chamber 6 is disposed below by the dust catching net 7 having a large scale. 4 and the swing sorting shelf 3 to be surrounded, and by opening the rear end portion of the processing cylinder 5 as the rear end side discharge port 6a, the processing action of the processing cylinder 5 reduces the grain with a heavy specific gravity. Warakuzu is circulated to both said sorting shelves 4,3, lighter large straw dust, etc. of specific gravity is discharged from the rear end discharge port 6a to the straw discharge processing device 13a side.
[0040]
Thus, by the processing action of the exhaust dust processing cylinder 5, heavy grain and small Warakuzu specific gravity causes please leaking from dust-exhaust受網7 big eyes fit, lighter large straw dust, etc. specific gravity is the rear end By discharging from the side discharge port 6a, the processing operation in the dust processing chamber 6 can be performed smoothly, so that clogging of soot and the like can be prevented.
[0041]
The lid 57a of the electrical box 57 provided on the outlet side wall 29 portion beside the rear end side discharge port 6a of the dust disposal chamber 6 is stored so as not to protrude from the surface position of the outlet side wall 29. The work can be smoothly performed without hindering the flow of post-threshing processing.
[0042]
Further, as shown in FIGS. 6a and 6b, support pipes 47 for supporting the rear end portions of the right side wall 44 and the left side wall 46 of the threshing device 13 placed on the chassis 8 are provided on the rear lateral frame 8a of the chassis 8. While being fixed, the oil supply port 48a is extended in the belt cover 49 from the left side wall 46 of the threshing device 13 in the horizontal direction over the lower side of the second sorting shelf 38 and the second receiving rod 42 between the side walls 44, 46. The main fuel tank 48 is attached to the chassis 8 and the rear lateral frame 8a in a state of projecting to the rear.
[0043]
A portion of the left side wall 46 adjacent to the tank 48 is cut out so that the main fuel tank 48 can be attached / detached without removing the threshing device 13 from the chassis 8, and the threshing device 13 is back-closed from the notch d. A dustproof sheet 53 made of a flexible material is stretched between the plate 52 and the support pipe 47 so as to penetrate the oil supply port 48a.
[0044]
In this way, by stretching the dustproof sheet 53, the space in the belt cover 49 and the upper space of the main fuel tank 48 can be isolated from each other. It is possible to prevent the sawdust blown to the upper part from entering the cover 49, and the tank 48 can be easily detached.
[0045]
Further, as shown in FIG. 7, a vertical auger 50 for discharging stored grains from the Glen tank 12 to the outside extends in the vertical direction along the rear side plate 12 b of the tank 12, and the upper end of the vertical auger 50 is arranged. The horizontal threshing auger 12a is pivotally connected to the section, and the main fuel tank 48 is enclosed in a space surrounded by the rear plate 12b of the tank 12, the vertical auger 50 and the right side wall 44 of the threshing device 13. An auxiliary fuel tank 51 is attached to the chassis 8 and the rear lateral frame 8a.
[0046]
Thus, by arranging the auxiliary fuel tank 51 adjacent to the main fuel tank 48, the connecting pipe of the fuel can be shortened, so that the piping is simplified, the quality is stabilized and the cost can be reduced. Further, as shown in FIG. 8, the auger auxiliary frame 54 disposed adjacently along the vertical auger 50 and the mounting portion on the side of the grain tank 12 on the outlet side wall 29 of the threshing device 13 are used as a flexible body or inflexible. A dust cover 55 made of a body is attached, and a tank cover 56 of the auxiliary fuel tank 51 is detachably attached to the lower side of the outlet side wall 29.
[0047]
Thus, by providing the dustproof cover 55, it is possible to prevent waste accumulation from entering from the side of the waste disposal device 13a into the vertical auger 50, the auger rotation motor, the drive gear case and the like, and the waste disposal device. The auxiliary fuel tank 51 can be easily maintained by opening 13a and removing the tank cover 56.
[Brief description of the drawings]
FIG. 1 is a side view showing a state in which auxiliary sorting shelves are provided in two stages on a swing sorting shelf of a threshing apparatus.
FIG. 2 is a rear perspective view showing a positional relationship between a dust removal cylinder of the threshing device, a dust receiving net, and an electrical box.
FIG. 3 is a side view showing the overall configuration of a threshing apparatus.
FIG. 4 is a plan view showing the overall configuration of the threshing apparatus.
FIG. 5 is a front view showing the overall configuration of the threshing apparatus.
FIG. 6A is a side view showing a state of the dustproof sheet in the left wall rear end notch portion of the threshing apparatus.
(B) The rear view which shows the state of the dustproof sheet | seat of the left side wall rear end notch part of a threshing apparatus.
FIG. 7 is a plan view showing a state in which a main fuel tank and an auxiliary fuel tank are disposed at the rear end of the chassis.
FIG. 8 is a rear perspective view showing a state in which an auger dustproof cover and an auxiliary fuel tank cover are provided.
FIG. 9 is a side view showing the overall configuration of the combine.
[Explanation of symbols]
1 Handling cylinder 2 Handling chamber 2a Discharge port 3 Swing sorting shelf
3a transfer shelf (first transfer shelf)
3b chaff sheave (first chaff sheave)
3c Strollac (First Strollac)
4 auxiliary sorting shelves
4a transfer shelf (second transfer shelf)
4b chaff sheave (second chaff sheave)
4c Strollac (2nd Strollac)
5 Dust disposal cylinder 6 Dust disposal chamber 6a rear end side outlet 7 Dust collection screen
8 cars
10 travel device
12 Glen Tank
13 Threshing device
13a waste treatment device
29 outlet side wall
45 dust exhaust fan
57 electrical box (
57a lid
c rack board

Claims (2)

A glen tank (12) and a threshing device (13) are placed on the left and right on a chassis (8) provided with a traveling device (10), and a waste treatment device (13a) at the rear end of the threshing device (13). A dust removal treatment chamber (6) with a dust removal treatment drum (5) on the right side of the treatment chamber (2) with the treatment drum (1) in the threshing device (13). And a dust collection screen (7) surrounding the lower outer periphery of the dust treatment cylinder (5) is placed facing the swinging sorting shelf (3) below , and after the dust treatment chamber (6). A lower part of the outlet side wall (29) at the end is opened as a rear end side discharge port (6a), a first transfer shelf (3a) for transferring an object to be sorted to the swing sorting shelf (3), and the first A first chaff sheave (3b) that is provided on the rear side of one transfer shelf (3a) and can adjust the amount of leakage of the object to be sorted, and the first chaff sheave (3b) A first strobac (3c) for receiving and sorting the waste discharged from the rear end side discharge port (6a) together with a material to be sorted that does not leak, and a first chaff sheave of the swing sorting shelf (3) A non-porous second transfer shelf (4a) disposed above (3b), and a second chaff sheave that is provided on the rear side of the second transfer shelf (4a) and can adjust the amount of leakage of the object to be sorted. (4b), and a second strollac (4c) that includes a rack plate (c) whose rear heights are alternately changed in the left-right direction, and that sorts objects to be sorted out of the second chaff sheave (4b). An auxiliary sorting shelf (4) comprising the swing sorting shelf (3) is provided integrally with the rack plate (c) of the second stroller rack (4c) so that the rear end of the rack plate (c) faces the dust exhaust fan (45). together Maseru, the second transfer shelf (4a) a threshing chamber (2) the rear end of the outlet (2 Combine which the sorted matter is characterized by being configured to fall onto the second transfer shelf inorganic hole (4a) which is discharged from the discharge port (2a) is provided beneath the). The electrical box making (57) for accommodating the electrical components in a space provided between the right outlet sidewalls (29) and grain tank of the rear end discharge port (6a) (12), to the power Sohako (57), The combine according to claim 1, further comprising a lid (57a) which does not protrude from the outlet side wall (29) .

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