JP2009027978A - Threshing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a threshing apparatus solving the problems of threshed grain cloggings at the terminal end of a threshing chamber and of declining in the efficiency of exhaust dust transfer into an exhaust dust treatment device. <P>SOLUTION: The threshing apparatus has the following construction: A threshing chamber 12 with a threshing net 18 set up at the bottom of a threshing cylinder 11 is installed. A swing separator 23 is set up beneath the threshing chamber 12. The flank of the rear of the threshing chamber 12 is equipped with an exhaust dust treatment device 30 communicating, via the exhaust dust communicating port 33 on the rear of the threshing chamber 12, with the threshing chamber 12 and axially mounted with an exhaust dust treatment cylinder 31. The rear end of the threshing chamber 12 is provided with a threshed grain discharge port 40 via which threshed grains that do not drop via the threshing net 18 are discharged. The threshed grain discharge port 40 is provided with a filter 42 having many discharge holes 41, wherein the filter 42 is composed of a transverse frame 45 crossed with a longitudinal frame 44 parallel to the axial direction of the threshing cylinder11 and plates 46 provided on both left and right sides of the longitudinal frame 44 and the transverse frame 45, with the top rim of the transverse frame 45 projected above that of the longitudinal frame 44. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a threshing apparatus.

Conventionally, a dust removal treatment chamber having a dust removal treatment cylinder mounted on the rear side of the threshing chamber is provided, and the threshing that does not fall from the handling net below the threshing chamber behind the dust removal communication port with the dust removal treatment chamber. The structure which provided the auxiliary | assistant receiving net | network with a larger scale than the handling net | network which discharges is well-known (patent document 1).
JP 2004-180584 A

In the above-mentioned known example, an auxiliary receiving net having a larger mesh size than the handling net that discharges the cereal that does not fall from the handling net is provided below the threshing chamber at the rear by the dust exhaust passage, and therefore the covering that does not fall from the handling net. There is a problem that much of the processed material enters the dust disposal apparatus and the load on the dust disposal apparatus increases.
Moreover, since the cereal which does not fall from the handling net falls from the auxiliary receiving net, there is a problem that the opening area of the auxiliary receiving net is narrow and clogging may occur.
In addition, even a large object to be processed that does not fall from the auxiliary receiving net is dropped from the dropping port between the auxiliary receiving net and the dust disposal apparatus, and thus there is a problem that the load of the swing sorting device increases.
In the present application, the movement path of the object to be processed to the threshing chamber, the dust removal processing device, and the swing sorting device is devised, the load on each device is reduced, and the work efficiency is improved.

The invention described in claim 1 is provided with a threshing chamber 12 in which a handling cylinder 11 is mounted on the upper part and a handling net 18 is stretched below the handling cylinder 11. An oscillating and sorting device 23 is provided for sorting grains and other processed materials by blowing and oscillating the oscillating and sorting shelf 22. The threshing chamber 12 and the rear of the threshing chamber 12 are provided at the rear side of the threshing chamber 12. The dust removal processing device 30 is provided with a dust removal treatment cylinder 31 that is communicated with the dust discharge communication port 33, and the threshing that discharges the cereal that does not fall from the handling net 18 is provided at the rear end of the threshing chamber 12. A discharge port 40 is formed, and the cereal discharge port 40 is provided with a filter body 42 having a number of discharge holes 41. The filter body 42 is arranged in a direction intersecting with a vertical frame 44 parallel to the axial direction of the handling cylinder 11. It comprises a horizontal frame 45, a vertical frame 44, and plate surface portions 46 provided on the left and right sides of the horizontal frame 45. The upper edge of the horizontal frame 45 is the vertical frame 4 The threshing device is characterized by being formed to protrude upward from the upper edge of the cereal, and the cereals conveyed by the cereal supply / conveying device are supplied into the threshing chamber 12 and are rotated by the rotating handling cylinder 11. The threshed and threshed thresh (processed material) falls from the handling net to the lower swing sorting shelf 22 and is sorted by swinging the swing sorting shelf 22 and blowing air from the tang 19, and the grain is the best. It is collected from the conveyor.
Of the cereals threshed in the threshing chamber 12, the threshing that does not fall from the handling net 18 reaches the threshing discharge port 40, and the large processed material that does not fall from the discharge hole 41 among the processed materials is the threshing discharge port. 40 on the filter body 42 is transferred by the rotation of the handling cylinder 11 and is processed by entering the dust treatment device 30 through the dust communication port 33, and fine grains, dust and the like of the object to be treated are removed from the grain removal outlet. The filter 40 is dropped from the discharge hole 41 of the filter body 42 to the swing sorting shelf 22 and swing-sorted. Moreover, resistance is given to transfer of a to-be-processed object with the horizontal frame 45 protruded upwards from the upper edge of the vertical frame 44, and threshing efficiency is improved.
According to the second aspect of the present invention, a plurality of horizontal frames 45 of the filter body 42 are arranged side by side in the axial direction of the handling cylinder 11, and the horizontal frame 45 located at the final end of the filter body 42 is formed on the plate surface portion 46 of the filter body 42. Among them, the threshing device is characterized by being extended to the plate surface portion 46 on the back side, and it is transferred to the horizontal frame 45 located at the final end over the plurality of horizontal frames 45. The object receives the resistance of the final horizontal frame 45 and is transferred by the rotation of the handling cylinder 11 to the plate surface part 46 on the back side of the plate surface part 46 of the filter body 42, and before the end of the handling cylinder 11. It is smoothly fed into the dust exhaust communication port 33.
The invention according to claim 3 is characterized in that the horizontal frame 45 at the end of the horizontal frames 45 of the plurality of filter bodies 42 arranged side by side is configured to be higher in height than the other horizontal frames 45. The threshing device is configured to reduce the amount of the processed material over the final horizontal frame 45, suppresses the carry-over of the processed material to the rear of the final horizontal frame 45, and discharges from the dust discharge communication port 33. The inflow of the object to be processed into the dust treatment device 30 is promoted.
The invention according to claim 4 is a threshing device in which the installation interval of the horizontal frame 45 of the filter body 42 is provided more densely than the installation interval of the partition plate 50 provided on the handling net 18. Each time the processed material passes over the plurality of horizontal frames 45, the transfer is resisted and the fall from the discharge hole 41 is promoted.

In the invention of claim 1, since the filter body 42 having a large number of discharge holes 41 is provided in the cereal discharge port 40, the object to be treated that does not fall from the handling net 18 is dropped from the large number of discharge holes 41. Occurrence of clogging can be prevented, and an object to be processed that does not fall from the discharge hole 41 is put into the dust removal processing apparatus 30, so that the load on the dust disposal apparatus 30 can be reduced. Since the sorting is performed at 23, the load on the swing sorting device 23 can be reduced, and a rational configuration is obtained. In addition, the horizontal frame 45 protruding upward from the upper edge of the vertical frame 44 provides resistance to the transfer of the object to be processed, thereby improving both the action of dropping from the discharge hole 41 and transferring to the dust discharge communication port 33. Can be made.
In the second aspect of the invention, every time the vehicle crosses the plurality of horizontal frames 45, the processing object is smoothly dropped from the discharge holes 41 and flows into the dust discharge communication port 33, and further discharged by the final horizontal frame 45. The inflow to the dust communication port 33 can be made smooth.
In the invention according to claim 3, it is possible to suppress the carry-over of the object to be processed behind the final horizontal frame 45, and to promote the inflow of the object to be processed from the dust discharge communication port 33 to the dust treatment apparatus 30. Threshing accuracy and threshing efficiency can be improved.
In invention of Claim 4, the transfer resistance on the filter body 42 can be enlarged from the threshing chamber 12, and threshing precision and threshing efficiency can be improved, preventing clogging.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings of a combine. Reference numeral 1 denotes a fuselage frame of the combine, 2 a traveling device provided below the fuselage frame 1, 3 a threshing device provided above the fuselage frame 1, and 4 a threshing A mowing unit provided on the front side of the device 3, 5 is a Glen tank provided on the side of the threshing device 3, and 6 is a control unit provided on the front side of the Glen tank 5.
The threshing device 3 is provided with a threshing chamber 12 in which a handle cylinder 11 having a handle 10 on the upper portion thereof is mounted substantially horizontally. On one side of the threshing chamber 12, a supply and transport chain 14 of a cereal supply and transport device 13 that supplies and transports the cereal that has been harvested by the mowing unit 4 is provided. For ease of understanding, the following explanation will be given by showing directions such as front and rear, right and left for convenience, but the configuration is not limited thereby.
The handling cylinder 11 is mounted on the front plate 16 and the threshing chamber rear plate 17 of the threshing device 3, and the lower side of the handling cylinder 11 is surrounded by a handling net 18. A tang casing 20 of tang 19 is provided below the handling net 18. Below the threshing chamber 12, a wind selection chamber 21 capable of wind-selecting grains and foreign matters is formed by blowing air from the Karatsu 19, and in the wind selection chamber 21, in the air blowing direction (front-rear direction) of the Karatsu 19. A swing sorting device 23 constituted by a swing sorting shelf 22 that swings back and forth is provided.

The configuration of the swing sorting device 23 is arbitrary, but as an example, the starting end portion (front end portion) of the swing sorting shelf 22 is positioned above the hot casing 20 and formed in the transfer shelf 24. Although not shown in the drawing, the upper surface of each transfer shelf 24 is provided with protrusions and irregularities so that falling objects from the handling net 18 are transferred to the lower side of the swing sorting device 23 in the transfer direction.
A grain sheave 25 is provided on the lower side of the transfer shelf 24 in the transfer direction. Glen sieves 25 are used to sort out grains and foreign matters that have fallen from the handling net 18, and are arranged in parallel in a swinging direction at a predetermined interval. The grain sheave 25 is formed in a thin flat plate shape, and is inclined so that the lower side (rear side) in the transfer direction becomes higher.
A lower side (rear side) stroller 26 in the transfer direction is provided from below the grain sheave 25. A first conveyor 27 is provided below the swing sorting shelf 22, and a second conveyor 28 is provided behind the first conveyor 27.
A dust disposal device 30 is provided on the rear side (terminal side) of the front cylinder 11. The dust treatment device 30 is configured by mounting a dust removal treatment cylinder 31 substantially parallel to the axis of the handling cylinder 11 and communicating with the threshing chamber 12 through a dust removal communication port 33 provided at a rear portion of the threshing chamber 12. The dust collection device 30 is formed in the handover portion H in the front dust collection device 30 facing the dust communication port 33 and in the main treatment portion S behind the handover portion H. The portion 31 is formed as a take-up body 31A. In the dust removal treatment cylinder 31, the take-up drum portion 31A has a smaller diameter than the treatment drum portion 31B, and has a taper drum portion 31C that becomes larger in diameter between the take-up drum portion 31A and the treatment drum portion 31B. And configure.

That is, the tapered body 31C is formed between the take-up body 31A and the processing body 31B, and the front side of the tapered body 31C is formed to have substantially the same diameter as the take-up body 31A. The rear side has substantially the same diameter as the processing body 31B, and the tapered body 31C is formed to have a larger diameter toward the rear side.
Therefore, the volume (capacity) between the outer periphery of the takeover drum portion 31A and the interior of the takeover portion H can be increased by forming the takeover drum portion 31A of the takeover portion H with a small diameter, and the processed material from the threshing chamber 12 can be increased. The amount of intake can be increased, and pressure is applied when sending a large amount of collected waste to the main processing section S by the tapered body 31C, and then the pressure is higher in the processing body 31B having a larger diameter than the takeover body 31A. By processing in the state, the dust disposal capacity is improved.
Moreover, since the load of the threshing chamber 12 can be reduced, the handling cylinder 11 which is longer than the normal handling cylinder 11 can be mounted, and high-speed running work can be performed. In this respect, the work ability is improved.

Thus, the processing teeth 34 are provided spirally on the outer periphery of the transfer body 31A and the rear processing body 31B, and the processing teeth 34 of the transfer body 31A and the processing teeth 34 of the processing body 31B are substantially the same. Alternatively, the processing teeth 34 of the processing body 31B are formed to have a small diameter.
Therefore, by providing processing teeth 34 having substantially the same diameter or a large diameter to the transfer cylinder 31A having a small diameter with respect to the processing cylinder 31B on the rear side, the processed material from the dust discharge communication port 33 can be transferred to the transfer cylinder having a small diameter. At the same time as 31A, it is efficiently conveyed to the end side by the processing teeth 34 having substantially the same diameter or large diameter.
Accordingly, below the threshing chamber 12 at a position aligned with the dust discharge communication port 33, a cereal discharge port 40 for discharging cereals (objects to be processed) that does not fall from the handling net 18 is formed. A filter body (net body / frame body) 42 having a large number of discharge holes 41 is provided at 40. The filter body 42 does not cause the cereals that do not fall from the handling net 18 that has reached the cereal discharge port 40 to fall and discharge as it is. It assists in shifting from the dust discharge communication port 33 to the dust removal processing device 30, reduces the load on the threshing chamber 12, and improves the threshing efficiency.

That is, when the cereal discharge port 40 is configured to be open, the cereal that does not fall from the handling net 18 reaching the cereal discharge port 40 falls down as it is, and the efficiency of transfer to the dust treatment apparatus 30 is reduced. Although the load on the swing sorting device 23 increases, since the filter body 42 is provided, only a small processed material out of the cereals that do not fall from the handling net 18 is dropped from the discharge hole 41 to the swing sorting device 23 and loaded. In addition, among the cereals that do not fall from the handling net 18, the larger processed material that does not fall from the discharge hole 41 improves the efficiency of transfer to the dust discharge port 33 of the dust treatment apparatus 30, and as a whole , Improve sorting accuracy and sorting efficiency.
In addition, the threshing in the threshing chamber 12 is performed by the handling cylinder 11 handling the tip of the grain pod conveyed and supplied by the cereal supply and transfer device 13. In the present application, the cereal is moved on the lower surface side of the handling cylinder 11. Although the so-called “under treatment” is threshed in this way, since the filter body 42 is provided, the filter body 42 supports the ears of the cereal grains that are likely to be delayed by the cereal supply and transfer device 13. Compared to the discharge port 40, the threshing efficiency is improved, the posture of the cereal conveyance posture is less disturbed, and the effect of improving the succession to the cocoon conveyance device 43 provided on the lower side of the cereal supply and conveyance device 13 is also expected. it can.

In this case, the filter body 42 is arranged and configured such that a part or all of the filter body 42 extends rearward to the lower end of the handling cylinder 11, and the filter body 42 supports the culm that is being transported by the culm supply and transport device 13. Like that.
The filter body 42 includes a vertical frame 44 parallel to the axial direction of the handling cylinder 11, a horizontal frame 45 in the intersecting direction, and plate surface portions 46 provided on the left and right sides of the vertical frame 44 and the horizontal frame 45. The upper edge of 45 is provided so as to protrude above the upper edge of the vertical frame 44.
By causing the upper edge of the horizontal frame 45 to protrude upward from the upper edge of the vertical frame 44, resistance is given to the transfer of the object to be processed, and threshing efficiency is improved.
Further, the lower edge of the horizontal frame 45 is located at the same or lower position as the lower edge of the vertical frame 44, and guides the object to be processed falling from the discharge hole 41 downward.
In other words, the object to be conveyed may be caught at the corner of the discharge hole 41 formed by the vertical frame 44 and the horizontal frame 45, and the conveyance may be hindered. Since the lower end of the frame 44 is positioned at the same or lower side, the horizontal frame 45 guides the object to be processed falling from the discharge hole 41 downward, thereby facilitating the conveyance.

Thus, a plurality of horizontal frames 45 are arranged in the axial direction of the handling cylinder 11, and the horizontal frame 45 located at the final end of the horizontal frame 45 is finally on the plate surface portion 46 on the back side of the plate surface portion 46 of the filter body 42. The lateral frame 45 at the end is extended and provided (FIG. 5).
That is, when the horizontal frame 45 is provided so as to be substantially along the terminal end of the dust exhaust communication port 33 in the length direction of the shaft center of the handling cylinder 11 (FIG. 8), the movement of the dust is directed toward the dust exhaust communication port 33. invite.
Therefore, dust can be smoothly sent to the dust exhaust communication port 33 before the end of the handling cylinder 11.
Therefore, the horizontal frame 45 of the filter body 42 is provided more densely than the interval between the partition plates 50 provided on the handling net 18 (FIG. 3).
That is, a plurality of horizontal frames 45 of the filter body 42 are arranged side by side in the axial center direction of the handling cylinder 11, and the fall of the grains contained in the workpiece to the swing sorting shelf 22 is promoted at the terminal end of the handling cylinder 11. Thus, the efficiency of early leakage recovery of grains is improved.
In this case, the vertical frame 44 is formed in an L-shaped shape having an inverted cross-section (FIG. 6), and the ratio of the area of the upper surface of the vertical frame 44 to the opening area of the discharge hole 41 is approximately 50:50. As a result, the material to be processed passing through the upper surface of the filter body 42 is smoothly transferred to the end of the filter body 42 without reducing the moving speed of the object to be processed.
Moreover, the grain can be easily dropped onto the swing sorting shelf 22.

In addition, the horizontal frame 45A (FIG. 5) at the final end (rear part) of the plurality of side frames 45 arranged side by side is higher in height from the upper surface of the vertical frame 44 than the upper surface (upper edge) of the other horizontal frame 45. Configure as follows.
That is, since the filter body 42 is formed in an arc shape with a predetermined interval from the outer periphery of the handling cylinder 11, the upper edge of the horizontal frame 45 has a predetermined height from the upper surface of the vertical frame 44 in this radial (circumferential) direction. The horizontal frame 45 at the final end (rear part) is made higher than the other horizontal frames 45 among the plurality of side frames 45 arranged side by side.
For this reason, the amount of the object to be processed over the final horizontal frame 45 can be reduced, the carry-over of the object to be processed behind the final horizontal frame 45 is suppressed, and the amount of the object to be processed from the dust exhaust communication port 33 to the dust exhaust processing device 30 is reduced. Promotes inflow of processed material and improves processing efficiency.
Thus, the rear ends of the plate surface portions 46 on the left and right sides of the filter body 42 extend rearward from the final horizontal frame 45 among the plurality of side frames 45 (FIG. 5). A guide body 51 is provided at the grain removal outlet 40 formed at the outlet 40 and between the plate surface portions 46. The guide body 51 is formed in a rod shape, and is inclined in plan view so as to be positioned on the dust disposal apparatus 30 side as it reaches the rear side.
The guide body 51 does not simply drop the object to be processed from the cereal discharge port 40, and promotes the falling of the object to be processed more than the filter body 42, thereby improving the processing efficiency while preventing clogging.

Further, the mesh formed by the vertical frame 44 and the horizontal frame 45 of the filter body 42 is formed larger than the mesh of the handling net 18 to prevent clogging.
Thus, a second processing device 55 for processing the second item collected by the second conveyor 28 is provided on the side of the threshing chamber 12. The second processing device 55 is connected to the second conveyor 28 by a second reduction device 56. The second processing device 55 is provided with a second processing drum 57 concentrically with the dust removal processing drum 31, and on the start end (front end) side of the swing sorting shelf 22 opposite to the conveying direction of the cereal supply and transfer device 13. It arrange | positions so that a 2nd processed material may be transferred to.
Therefore, the start end portion of the dust removal processing cylinder 31 is pivotally mounted on the threshing middle plate 58 provided between the front plate 16 and the threshing chamber rear plate 17 of the threshing device 3, and the threshing middle plate 58 and the threshing chamber rear plate 17 A dust exhaust communication port 33 is formed between the dust exhaust processing device 30 and the threshing chamber 12.
And the horizontal frame 45 of the last end (rear part) is located ahead of the threshing room rear board 17 among the horizontal frames 45 arranged in parallel.

That is, the final horizontal frame 45 is positioned in front of the terminal end of the handling cylinder 11, and the working area where the tooth handling 10 of the handling cylinder 11 acts is located behind the horizontal frame 45 at the final end (rear part). To do.
Accordingly, the arrangement of the final horizontal frame 45, the rear plate 17 of the threshing chamber, and the terminal end of the handling cylinder 11 suppresses the object to be processed on the filter body 42 from getting over the final horizontal frame 45 from the dust discharge communication port 33. The inflow to the dust removal processing device 30 is made smooth, thereby reducing the return from the dust discharge communication port 33, and the cereal supply and transfer device 13 is between the final horizontal frame 45 and the threshing chamber rear plate 17. The handling cylinder 11 is made to act on the grain cereal to convey, and the recovery efficiency of the 4th thing stuck in the conveyance cereal is improved.
Thus, the rotary shaft 60 of the tongue 19 is provided with a speed-changing Belcon pulley 61 (FIGS. 10 and 11), and a speed-changing motor 62 for operating the Belcon pulley 61 is provided on the side plate 63 of the threshing device 3. Further, a reduction gear 64 and a Bercon speed change interlocking rod 65 are provided on the side plate 63, and an exterior cover 67 is provided outside the speed change motor 62, the speed reduction gear 64 and the Bercon speed change speed changing rod 65. The bottom plate 68 of the exterior cover 67 is provided with a porous stagnation prevention plate 69.

The exterior cover 67 is provided on the side of the suction port 70 provided on the side plate 63, and the Kara 19 sucks and blows outside air through the suction port 70 of the side plate 63 from the backlash prevention plate 69 of the exterior cover 67.
Therefore, the dust-preventing plate 69 prevents foreign matter entangled with sawdust or grass, which is known to those skilled in the art, from entering the suction port 70.
Since the porous cover 67 is provided on the exterior cover 67 that surrounds the outside of the speed change motor 62, the reduction gear 64, and the Bercon speed change interlocking rod 65, the number of parts can be reduced and the configuration can be simplified and the cost can be reduced.
When the outer cover 67 is removed, a space is formed and exposed around the bell-con pulley 61 of the transmission mechanism of the carp 19 so that these maintenances can be facilitated.
Thus, the diaphyseal supply device 13 is configured by providing a collar 75 above the supply and conveyance chain 14 (FIG. 1), and a blowout prevention plate 76 is provided inside the collar 75 (FIGS. 12 and 12). 13, FIG. 14). The blowout prevention plate 76 is attached to the upper cover 77 (FIG. 1) of the threshing device 3 by an attachment member 78 so as to be freely movable up and down. The blowout prevention plate 76 is formed of a vertical plate-like member, and the upper portion of the blowout prevention plate 76 is positioned above the rod holder 79 of the rod 75.

The eaves holder 79 holds the eaves 75 so that the eaves 75 can move up and down at all times, and is attached to the upper cover 77.
Accordingly, since the upper part of the blowout prevention plate 76 is positioned above the heel holder 79 in a fixed position with respect to the upper cover 77, even if the blowout prevention plate 76 moves up and down, Interference can be avoided, and the blowout prevention plate 76 can be smoothly moved up and down to smoothly convey the cereal.
Thus, a threshing waste transporting device is provided at the end of the cereal supply and transport device 13, and the drive transmission shaft 80 of the waste scouring transport device and the threshing middle plate 58 above the dust processing device 30 and the threshing. A partition wall 81 is provided on the side of the cereal supply and transport device 13 of the drive transmission shaft 80 between the threshing middle plate 58 and the threshing chamber rear plate 17 (FIGS. 15, 16, and FIG. 17).
Therefore, the cereals or wastes conveyed between the threshing middle plate 58 and the threshing chamber rear plate 17 are blocked from the drive transmission shaft 80 by the partition wall 81 and are prevented from being wound around the drive transmission shaft 80.
Reference numeral 87 denotes a guide plate provided above the dust removal cylinder 31 between the threshing middle plate 58 and the threshing chamber rear plate 17. It prevents the sawdust from being entangled with the drive transmission shaft 80 from below.

Accordingly, an opening 82 is formed in the side plate 63 of the threshing device 3 on the side of the cereal supply and conveyance device 13 (FIG. 18). The opening 82 is opened to the side of the sorting screen 83 of the swing sorting shelf 22. A notch (opening) portion 85 having a predetermined size is formed on the side plate 84 of the swing sorting shelf 22 (FIG. 20), and a closing body 86 installed on the sorting net 83 from the notch (opening) portion 85 is viewed from the side. It is configured so that it can be taken in and out.
The closing body 86 adjusts the amount of dropping from the sorting net 83 onto the first conveyor 27 and the second conveyor 28.
A reinforcing side plate 90 is provided outside the side plate 84 of the swing sorting shelf 22, and a rod-shaped reinforcing frame 91 is provided near the upper edge of the outside of the reinforcing side plate 90.
Therefore, even if the side plate 84 of the swing sorting shelf 22 is formed with a notch (opening) portion 85 having a predetermined size, the strength can be ensured.

(Operation of Example)
The cereals that have traveled by the traveling device 2 and that have been harvested by the reaping unit 4 are transported by the supply transport chain 14 of the cereal supply and transport device 13, supplied to the threshing chamber 12, and threshed by the handling cylinder 11 of the threshing chamber 12. .
The threshed threshing falls from the handling net 18 to the swing sorting shelf 22 and is sorted by swinging the swing sorting shelf 22 and air blown from the tang 19, and the grains are sorted by the sorting screen 22 of the swing sorting shelf 22. The grain recovered from the net 31 to the first conveyor 27 and the grain recovered by the first conveyor 27 is stored in the Glen tank 5.
Further, the second product collected on the second conveyor 28 is returned to the second processing device 55 by the second reduction device 46, reprocessed by the second processing cylinder 57 of the second processing device 55, and the swing sorting shelf 22. It is diffused and discharged at the start end.
Further, among the cereals threshed in the threshing chamber 12, a part of the cereals that do not fall from the handling net 18 enters the dust removal treatment device 30 through the dust removal communication port 33 and is processed.
In this case, the dust removal processing device 30 on the front side facing the dust discharge communication port 33 is formed in the transfer portion H, the rear of the transfer portion H is formed in the main processing portion S, and the portion of the dust discharge treatment cylinder 31 of the transfer portion H is Since the take-up drum portion 31A is formed to have a smaller diameter than the processing drum portion 31B on the rear side, the volume (capacity) between the outer periphery of the take-up drum portion 31A and the interior of the take-up portion H is increased. It is possible to increase the amount of processed material taken from the threshing chamber 12, prevent clogging, improve the processing capacity of the threshing device 3 as a whole, and reduce the load on the threshing chamber 12. The handling cylinder 11 which is longer than the handling cylinder 11 can be axially mounted, and high-speed running work can be performed. In this respect as well, work capacity is improved.

Further, the processed material on the swing sorting shelf 22 is wind-selected in the wind sorting chamber 21, and among the processed products that do not fall from the swing sorting shelf 22, the dust and dust are sucked and discharged outside by the suction dust exhaust fan 42. The
Thus, a threshing outlet 40 for discharging cereals that do not fall from the handling net 18 is formed below the threshing chamber 12 at a position aligned with the dust discharge communication port 33. Since the filter body 42 having the discharge hole 41 is provided, the cereal grains that do not fall from the handling net 18 reaching the cereal discharge port 40 do not fall down and are discharged immediately, and the filter body is transferred and dropped. 42 receives resistance.
Therefore, the filter body 42 assists the material to be processed on the filter body 42 not to fall from the cereal discharge port 40, but to move from the dust discharge communication port 33 to the dust discharge processing device 30. The load is reduced to improve the threshing efficiency, and the load on the swing sorting device 23 is reduced to improve the sorting efficiency as a whole.

In addition, the threshing in the threshing chamber 12 is a so-called “under treatment” in which the transported culm moves on the lower surface side of the handling cylinder 11 and is threshed. Since the tip of the corn straw supports the cereal discharge port 40 in the open configuration, the confectionery conveying posture of the potato straw supply / conveyor 13 provided on the lower side of the corn straw supply / conveyor 13 is less disturbed. The effect of making the takeover good can also be expected.
Each of the above-described embodiments is illustrated or described separately or mixed for easy understanding, but these can be combined in various ways, and the expression, configuration, action, etc. It is not limited, and there are of course cases where a synergistic effect is obtained.

The side view of a combine. FIG. The side view of a threshing apparatus. The rear view. The top view of a filter body. The front view. The rear view. The same part enlarged plan view. The same part enlarged side view. The side view of the vicinity of Belcon pulley. FIG. Side view of the vicinity of the kite. The same side view. The same side view. The front view of a threshing apparatus. The front view. The same side view. The same side view. The side view of the vicinity of the swing sorting shelf. The side view of the opening part. FIG. The same side view.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Airframe frame, 2 ... Traveling apparatus, 3 ... Threshing apparatus, 4 ... Cutting part, 5 ... Glen tank, 6 ... Steering part, 11 ... Handling cylinder, 12 ... Threshing room, 13 ... Grain supply / conveyance device, 14 ... Supply conveyance chain, 16 ... front plate, 17 ... rear plate of threshing chamber, 18 ... treatment net, 19 ... karasu, 20 ... karasu casing, 21 ... wind selection chamber, 22 ... oscillating sorting shelf, 23 ... oscillating sorting device, 24 ... Transfer shelf, 25 ... Glensieve, 26 ... Strolac, 27 ... First conveyor, 28 ... Second conveyor, 30 ... Dust removal processing device, 31 ... Dust removal cylinder, 33 ... Dust communication port, 40 ... Degraining outlet, 41 ... discharge hole, 42 ... filter body, 44 ... vertical frame, 45 ... horizontal frame, 46 ... plate surface, 50 ... partition plate, 51 ... guide body, 55 ... second processing device, 56 ... two No. conveyor, 57 ... No. 2 processing cylinder, 58 ... Threshing plate, 60 ... Rotating shaft, 61 ... Belcon pulley 62 ... Transmission motor, 63 ... Side plate, 64 ... Reduction gear, 65 ... Bercon transmission interlocking rod, 67 ... Exterior cover, 68 ... Bottom plate, 69 ... Stuck prevention plate, 70 ... Suction port, 75 ... Spear, 76 ... Blowout prevention plate, 77 ... Upper cover, 78 ... Mounting member, 79 ... Bridge holder, 80 ... Drive transmission shaft, 81 ... Partition wall, 82 ... Opening part, 83 ... Selection net, 84 ... Side plate, 85 ... Notch ( Opening) portion, 86 ... closing body, 90 ... reinforcing side plate, 91 ... reinforcing frame.

Claims (4)

A threshing chamber (12) is provided with a handle barrel (11) mounted on the upper portion and a handle net (18) stretched under the handle barrel (11), and under the threshing chamber (12), 19) provided with an oscillating sorting device (23) for sorting grains and other processed materials by blasting from the oscillating sorter shelf (22) and on the side of the rear part of the threshing chamber (12), The threshing chamber (12) and the threshing chamber (12) are provided with a dust removal processing device (30) having a dust removal treatment cylinder (31) that is communicated by a dust removal communication port (33) at the rear portion, 12) At the rear end portion, a cereal discharge port (40) for discharging cereals that do not fall from the handling net (18) is formed, and the cereal discharge port (40) has a number of discharge holes (41). The filter body (42) is provided, and the filter body (42) is provided with a vertical frame (44) parallel to the axial direction of the handle cylinder (11), a horizontal frame (45) in the intersecting direction, and a vertical frame (44). And plate surface portions (46) provided on both the left and right sides of the horizontal frame (45), and the upper edge of the horizontal frame (45) protrudes upward from the upper edge of the vertical frame (44). Threshing device to do. In Claim 1, the horizontal frame (45) of the said filter body (42) is juxtaposed in the axial direction of the said handling cylinder (11), and the horizontal frame (45) located in the last end is filter body (45). 42) A threshing apparatus, wherein the threshing apparatus is provided so as to extend up to the back plate surface portion (46) of the plate surface portion (46). The horizontal frame (45) at the final end among the horizontal frames (45) of the plurality of filter bodies (42) arranged side by side is configured to be higher in height than the other horizontal frames (45). A threshing device characterized by the above. In Claim 1 or Claim 2 or Claim 3, the installation interval of the horizontal frame (45) of the said filter body (42) is more than the installation interval of the partition plate (50) provided on the said handling net (18). Dense threshing device.

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