JP2008022748A5 - - Google Patents

Description

Threshing device

  The present invention relates to a threshing apparatus.

Conventionally, a dust removal processing chamber is provided behind the threshing chamber side, and a second processing chamber having a processing cylinder having processing teeth on the outer periphery parallel to the axis of the handling cylinder is provided on the side of the threshing chamber. A configuration in which the rear portion of the processing chamber is positioned below the dust processing chamber is known (Patent Document 1).
Japanese Patent Laid-Open No. 2005-110589

In the known example, the second product returned by the second conveyor and the grains falling from the dust removal processing chamber are returned to the starting end of the swing sorting shelf by the second processing cylinder of the second processing device and reprocessed. Although it is a structure, since the grain stabbed in the threshed grain basket (excretion) will be discharged out of the machine with the excretion as it is, a grain called a “fourth thing” by those skilled in the art There is a problem that it is discharged outside and becomes a loss of threshing.
In the present application, the loss of the fourth item is reduced to improve the threshing efficiency.

The invention described in claim 1 is provided with a threshing chamber (12) having a handle barrel (11) mounted on the upper portion thereof, and air blown from a blower tang (19) below the handle (18) of the threshing chamber (12). And an oscillating sorting device (26) constituted by an oscillating sorting shelf (25) for wind-selecting grains and other processed products by oscillating, and behind the threshing chamber (12) is a conveying cereal A fourth processing device (36) is provided that is configured by mounting a fourth processing cylinder (38) provided with processing teeth (39) for dropping the stabbed grains that have been inserted into the threshing chamber (12). A dust removal treatment cylinder (41) having a processing tooth (42) on the outer periphery is mounted on the side side portion substantially parallel to the axis of the handling cylinder (11), and a threshing chamber (12) and a dust discharge communication port are provided. (44) dust-exhaust processor for communicating (40) provided by, discharged from the fourth wheel apparatus in the vicinity of the front Symbol fourth wheel apparatus (36) (36) A threshing device provided with a third processing unit (55) for recovering the grains to be collected and the grains discharged from the dust disposal device (40) and transporting them to the starting end of the swing sorting shelf (25); The cereals conveyed by the cereal supply and transfer device 13 are supplied into the threshing chamber 12, threshed by the rotating handling cylinder 11, and the threshed threshing (processed object) is taken from the handling net 18. It falls to the lower swing sorting shelf 25 and is sorted by swinging the swing sorting shelf 25 and blowing air from the blower 19, and the grain is first recovered from the conveyor 34.
In addition, when the shed cereal conveyed by the cereal supply and transfer device 13 is threshed in the threshing chamber 12, the fourth processing device 36 provided at the rear of the threshing chamber 12 has a rotating fourth processing cylinder 38. The treated teeth 39 drop-process the stabbed grains that have been stabbed into the transported cereal, and are collected by the conveyor 34 through various paths.
Further, among the cereals threshed in the threshing chamber 12, a part of the cereal that does not fall from the handling net 18 enters the dust removal processing device 40 through the dust removal communication port 44 and is processed.
In addition, the processed material that has been threshed in the threshing chamber 12 and does not fall from the handling net 18 enters the dust disposal device 40 and is stirred by the processing teeth 42 of the dust disposal cylinder 41 that rotates in the dust disposal device 40. .
Its to a fourth wheel processor 36, the dust-exhaust processing device 40, grains dropped from each of the threshing chamber 1 2 enters the受樋56 of third processing device 55, the rocking by third processing cylinder 57 It is returned to the starting end of the moving sorting shelf 25 and reprocessed.
According to a second aspect of the present invention, the third processing device 55 is provided with a receiving rod 56 in a direction parallel to the axis of the handling cylinder 11 and a third processing drum 57 having processing teeth 58 in the receiving rod 56. The threshing device is configured such that a fourth processed material receiving plate 59 provided below the fourth processing device 36 is connected to the receiving trough 56, and the receiving trough 56 of the third processing device 55 includes Since the fourth processed material receiving plate 59 is provided, the fourth processed material dropped from the lower portion of the fourth processing device 36 is received by the fourth processed material receiving plate 59 and guided to the receiving cage 56 for recovery.
According to the third aspect of the present invention, the third processing cylinder 57 of the third processing apparatus 55 is provided below the axis of the handling cylinder 11 when viewed from the rear, and is configured to rotate counterclockwise together with the handling cylinder 11. The threshing device is the threshing device, and the third processing cylinder 57 of the third processing device 55 rotates counterclockwise together with the handling cylinder 11, so that the grains scattered from the fourth processing device 36 by centrifugal force can be collected smoothly. Is called.

In the first aspect of the present invention, a fourth wheel processor 36, the dust-exhaust processing device 40, a grain dropped from each of the threshing chamber 12 by third processor 55 to the starting end of the swing sorting shelf 25 Since it returns and reprocesses, the loss of the 3rd thing and the 4th thing can be reduced and the threshing efficiency can be improved.
In the invention of claim 2, wherein the fourth wheel treatment product falling from fourth wheel processor 36 receiving the fourth wheel treated receiving plate 59, to guide recovered受樋56 of third processing device 55, third product And the loss of the fourth thing can be reduced and the threshing efficiency can be improved.
In the third aspect of the present invention, the grains scattered by centrifugal force from the fourth wheel processor 36, can be recovered smoothly guided to受樋56 of third processing device 55, the third product and fourth wheel product loss Can be reduced, and the threshing efficiency can be improved.

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 The mowing part provided on the front side of the apparatus 3, 5 is a Glen tank provided on the side part of the threshing apparatus 3, 6 is a control part provided on the front side of the grain tank 5, and 7 is a cutter provided on the rear side of the threshing apparatus 3. is there.
The threshing device 3 is provided with a threshing chamber 12 having a handle cylinder 11 having a handle 10 on the upper part thereof, and a threshing chamber 12 which is cut and harvested by the reaping portion on one side of the threshing chamber 12. The supply conveyance chain 14 of the coffin supply conveyance device 13 is provided (FIG. 3). For ease of understanding, the following explanation will be given for the sake of 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. Below the handling net 18, a tang casing 20 and a tang casing 20 for the blower tang 19 are provided. Below the threshing chamber 12, a wind selection chamber 21 that can wind-select grains and foreign matters by blowing air from the blower tang 19 is formed. ) Is provided with a swing sorting device 26 constituted by a swing sorting shelf 25 that swings back and forth.
The configuration of the swing sorting device 26 is arbitrary, but as an example, a transfer shelf in which the start end (front end) of the swing sorting shelf 25 is positioned above the Karatsu casing 20 and arranged in parallel in two stages. Formed in portions 27 and 28. It is only necessary that protrusions and irregularities are provided on the upper surfaces of the respective transfer shelves 27 and 28 so that falling objects from the handling net 18 can be transferred to the lower side of the swing sorting device 26 in the transfer direction.

On the lower side of the upper transfer shelf 27 in the transfer direction, a grain sheave 30 is provided. Glen sieves 30 are used to sort out grains and foreign substances that have fallen from the handling net 18, and are arranged in parallel in a swinging direction at a predetermined interval. The grain sheave 30 is formed in a thin flat plate shape, and is inclined so that the lower side (rear side) in the transfer direction is higher.
The starting end portion of the lower transfer shelf portion 28 is positioned in front of the upper transfer shelf portion 27, and a sorting net 31 is provided on the lower side of the lower transfer shelf portion 28 in the transfer direction. The sorting net 31 sorts grains and foreign matters that have fallen from the grain sieve 30.

A stroller 32 on the lower side (rear side) in the transfer direction is provided from below the grain sheave 30. A first conveyor 34 is provided below the swing sorting shelf 25, and a second conveyor 35 is provided behind the first conveyor 34.
Therefore, a fourth processing device 36 is provided behind the handling cylinder 11 (on the end side). The fourth processing device 36 is configured by providing a partition plate 37 behind the threshing chamber rear plate 17 and pivoting a fourth processing cylinder 38 between the threshing chamber rear plate 17 and the partition plate 37. The fourth processing device 36 performs drop processing on branch branch grains of the transported cereal being transported and stabbed grains stabbed in the transported cereal by the fourth processing cylinder 38. In the fourth processing apparatus 36 of the embodiment, a fourth processing cylinder 38 is integrally formed at the rear portion of the threshing chamber 12, and processing teeth 39 are provided on the outer periphery of the fourth processing cylinder 38. The treated tooth 39 is used to drop the stabbed grains that are stuck in the conveying cereal, and is distinguished from the tooth handling 10 that has a threshing action for separating the grains from the cereal. The fourth processing device 36 surrounds the outer circumference between the tooth handling 10 at the end of the processing cylinder 11 and the processing teeth 39 at the start end of the fourth processing cylinder 38 with the threshing chamber rear plate 17, and the threshing chamber rear plate 17 and the partition plate. 37.

A dust disposal device 40 is provided at the rear of the threshing chamber 12 and on the side of the fourth processing device 36. The dust removal processing device 40 is configured by mounting a dust removal treatment cylinder 41 substantially parallel to the axis of the handling cylinder 11. Processing teeth 42 are provided on the outer periphery of the dust removal processing cylinder 41, and the lower side of the processing teeth 42 is surrounded by a processing net 43. The dust removal processing device 40 is communicated with the threshing chamber 12 by a dust discharge communication port 44 provided at the rear portion of the threshing chamber 12.
On the side of the threshing chamber 12, a second processing device 45 for processing the second item collected by the second conveyor 35 is provided. The tip of the second reduction device 46 is opened above the starting end of the second processing device 45, and the base of the second reduction device 46 is connected to the end of the second conveyor 35. The second processing device 45 is provided with a second processing cylinder 47 concentrically with the dust processing cylinder 41, and a second processing tooth is provided on the outer periphery of the second processing cylinder 47, mainly on the lower side of the second processing cylinder 47. Is surrounded by a second processing network 49. The second processing teeth 48 are arranged so as to transfer the second processed material to the start end portion (front end portion) side of the swing sorting shelf 25 in the opposite direction to the conveying direction of the grain supply / conveying device 13.

  A discharge blade 50 that is substantially parallel to the axial center of the second processing cylinder 47 is provided on the outer periphery of the tip of the second processing cylinder 47, and a second processed material discharge port is formed almost directly below the discharge blade 50. The outlet 51 is opened above the starting end of the lower transfer shelf 28.

Thus, in the threshing apparatus 3, the grains discharged from the fourth processing apparatus 36 and the grains discharged from the dust disposal apparatus 40 are collected and conveyed to the starting end of the swing sorting shelf 25. A number processing device 55 is provided. The third processing device 55 collects the grains discharged from the fourth processing device 36 and the dust removal processing device 40 without dropping them directly to the middle part of the swing sorting shelf 25, and Since it is transported to the starting end, it reduces sorting loss and improves threshing ability.
That is, a large amount of soot is moving on the upper surface of the middle part of the swing sorting shelf 25 and is discharged from the fourth processing device 36 and the dust disposal device 40 to the middle part of the swing sorting shelf 25 in this state. Even if the grain is dropped, it is discharged out of the machine as it is by the swinging sorting shelf 25 and becomes a sorting loss. However, the beginning of the swinging sorting shelf 25 that is recovered by the third processing device 55 and generates less debris. Therefore, the recovery efficiency of recovery by the conveyor 34 is improved.

  Moreover, the load of the threshing chamber 12 is reduced by providing the third processing device 55, and particularly in the case of threshing early morning or high moisture cereal, the load is large, and the third processing device 55 contributes to the reduction of this load. .

The third processing device 55 is configured by providing a receiving rod 56 in a direction parallel to the axis of the handling cylinder 11, and providing a third processing cylinder 57 inside the receiving rod 56. The processing tooth 58 is provided, and the collected material collected in the receiving basket 56 is stabbed in the branch infarction grains or the transported culm by the rotation of the third processing cylinder 57 during the transportation to the starting end of the swing sorting shelf 25. Expect reprocessing of grains.
The receptacle 56 is provided with a fourth processed material receiving plate 59. The fourth processed material receiving plate 59 is provided so as to collect the fourth processed material dropped from the lower side of the fourth processing device 36 in the receiving basket 56.
Therefore, the grain generated by the processing by the fourth processing device 36 can be efficiently recovered, and the load on the threshing chamber 12 and the swing sorting shelf 25 is reduced.

  Accordingly, the third processing cylinder 57 of the third processing apparatus 55 is provided on the lower right side of the axis of the handling cylinder 11 (fourth processing cylinder 38) in a rear view, and is rotated counterclockwise together with the handling cylinder 11 ( As shown in FIG. 5, it is preferable that the grains scattered from the fourth processing device 36 by centrifugal force are smoothly collected (taken in).

  FIG. 7 shows another embodiment of the third processing apparatus 55. The handling cylinder 11 is rotated in the counterclockwise direction, and the third processing cylinder 57 is rotated in the clockwise direction to improve the recovery efficiency of the stabbed grains. ing.

A discharge blade 60 substantially parallel to the axial center of the third processing cylinder 57 is provided on the outer periphery of the tip of the third processing cylinder 57, and a third processed material discharge port 61 is formed almost directly below the discharge blade 60. The discharge port 61 is opened above the starting end of the lower transfer shelf 28.
Accordingly, the third processing device 55 rotates the discharge blade 60 in the clockwise direction at the third processed material discharge port 61 to diffuse the discharge of the grains to the transfer shelf 28, and the sorting performance of the swing sorting shelf 25. To improve.

8 and 9 show an embodiment of the third processing unit 55. The third processing unit 55 is extended to the lower side of the second processed material discharge port 51 of the second processing unit 45, and the third processing unit 55 is disposed. 57 is rotated in the clockwise direction when viewed from the back, and the second processed material dropped from the second processed material discharge port 51 is collected and diffused and discharged to the start end of the swing sorting shelf 25 by the discharge blade 60.
Therefore, the third processing device 55 improves the recovery efficiency of the grains from the fourth processing device 36, the dust removal processing device 40, and the second processing device 45.

FIG. 10 shows another embodiment of the fourth processing device 36 and the third processing device 55, and the left half of the fourth processing device 36 is surrounded by a net 63. Is substantially surrounded by a fourth processed material receiving plate 59. On the left side of the No. 4 processing device 36, the swarf grains having a low specific gravity are dropped on the swing sorting shelf 25 below the mesh body 63, and the stabbed grains recovered from the transported cereal by the No. 4 processing device 36 are received by the No. 4 processed product receiver. It collects in the receptacle 56 of the third processing unit 55 through the plate 59.
Therefore, the separation of sawdust and kernels is improved.
In this case, it is preferable that the mesh body 63 has a mesh size larger than that of the handling net threshing chamber 12 and that the sawdust falls well.

FIG. 11 is an embodiment of the second processing device 45 and the third processing device 55, and the grains discharged by the discharge blade 60 provided in front of the third processing device 55 and the second processing drum 47. The grain discharged from the second processed material discharge port 51 provided in the front is configured to be diffused and discharged to the starting end portion of the swing sorting shelf 25.
Therefore, since the grains are diffused and discharged from both the second processing device 45 and the third processing device 55 in the left direction of the swing sorting shelf 25, the grains can be evenly dispersed on the swing sorting shelf 25. The sorting performance of the swing sorting shelf 25 is improved.

Therefore, a waste transporting device 65 is provided at the end of the supply transport chain 14 of the grain supply transport device 13, and a third processing device 55 is provided below the waste transporting device 65 (FIG. 12).
Therefore, the third processing device 55 includes not only the fourth processing device 36, the dust removal processing device 40, and the second processing device 45, but also the branch infarction particles adhering to the waste being transported by the waste transporting device 65 and It collects the stabbed grains etc. that are pierced during the transport evacuation to reduce the threshing loss.

A waste stab particle collection plate 67 is provided below the waste conveyance device 65, and the stab particle collection plate 67 is connected to the fourth processed material receiving plate 59 of the third treatment device 55 (FIG. 12).
Therefore, the branch infarction particles adhering to the waste being transported by the waste transporting device 65 and the stinging particles stuck in the transporting waste fall on the stinging grain collection plate 67 during the transport, and the stinging grains The grains that have fallen on the collection plate 67 are guided and collected by the stabbed grain collection plate 67 to the receptacle 56 of the third processing unit 55.
In the figure, 70 is a side plate of the threshing chamber 12, 80 is a suction dust exhaust fan, 81 is an engine, and 82 is a mission.

(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 on the swing sorting shelf 25 from the handling net 18 and is sorted by swinging the swing sorting shelf 25 and blowing from the blower 19, and the grains are sorted on the swing sorting shelf 25. The grain recovered from the sorting net 31 to the first conveyor 34 and stored by the first conveyor 34 is stored in the glen tank 5.

Further, the second item collected on the second conveyor 35 is returned to the second processing unit 45 by the second reduction unit 46 and reprocessed by the second processing cylinder 47 of the second processing unit 45, and the swing sorting shelf 25. It is diffused and discharged at the start end.
In addition, when the cereals conveyed by the cereal supply and transfer device 13 are threshed in the threshing chamber 12, the fourth processing device 36 provided at the rear of the threshing chamber 12 is used to rotate the fourth processing cylinder 38. The treated teeth 39 drop the stabbed grains that have been stabbed into the transported cereal and collect them in the swing sorting shelf 25 through various paths.
Further, among the cereals threshed in the threshing chamber 12, a part of the cereal that does not fall from the handling net 18 enters the dust removal processing device 40 through the dust removal communication port 44 and is processed.
Further, the processed material on the swing sorting shelf 25 is wind-selected in the wind sorting chamber 21, and among the processed products that do not fall from the swing sorting shelf 25, sawdust and dust are sucked and discharged to the outside by the suction dust exhaust fan 80. The

  In this case, the grain collected on the first conveyor 34 is the “first thing”, the grain collected on the second conveyor 35 and the other object to be treated are “second thing”, and on the swing sorting shelf 25. The material to be processed (including grains) discharged from the rear part of the swing sorting shelf 25 together with the material to be processed is mixed into the waste that is being transported by the waste transporting device 65 by the waste transporting device 65. Grains, blue rice and other items discharged into the field are called “fourth thing” by those skilled in the art, and in the present application, the third processing device 55 is provided. Grains that fall directly onto the swing sorting shelf 25 from the 40 or the second processing device 45 and are discharged are collected by the third processing device 55 to reduce the third loss.

  In addition, each of the above-described embodiments is illustrated or described individually or mixedly for easy understanding, but these can be combined in various ways, and the expression, configuration, action, etc. Of course, there is a case where a synergistic effect is obtained.

The side view of a combine. The side view of a threshing apparatus. FIG. The same plan view (No. 2 treatment cylinder and dust removal treatment cylinder omitted). The rear view. The same part perspective view. The rear view. The same side view. The rear view. The rear view. The same side view. FIG.

DESCRIPTION OF SYMBOLS 1 ... Airframe frame, 2 ... Traveling apparatus, 3 ... Threshing apparatus, 4 ... Cutting part, 5 ... Glen tank, 6 ... Steering part, 7 ... Cutter, 11 ... Handling cylinder, 12 ... Threshing room, 13 ... Grain supply conveyance Equipment: 14 ... Supply conveyance chain, 16 ... Front plate, 17 ... Threshing chamber rear plate, 18 ... Handling net, 19 ... Air blow casing, 20 ... Karatsu casing, 21 ... Wind selection chamber, 25 ... Swing sorting shelf, 26 ... Oscillating sorting device, 27 ... transfer shelf, 28 ... transfer shelf, 30 ... glen sieve, 31 ... sorting screen, 32 ... straw rack, 34 ... first conveyor, 35 ... second conveyor, 36 ... fourth processor, 37 ... partition plate, 38 ... fourth treatment cylinder, 39 ... treatment tooth, 40 ... dust removal processing device, 41 ... dust removal treatment cylinder, 42 ... treatment tooth, 43 ... treatment net, 44 ... dust removal communication port, 46 ... No. 2 reduction device, 47 ... No. 2 processing cylinder, 48 ... No. 2 processing teeth, 49 ... No. 2 processing net, 50 ... Exhaust Blades 51, No. 2 processed material discharge port, 55, No. 3 processing device, 56, receiving bowl, 57, No. 3 processing cylinder, 58, processing teeth, 59, fourth processed article receiving plate, 60, discharging vane, 61 ... No. 3 processed material discharge port, 63 ... Net body, 65 ... Waste transporting device, 66 ... Chain, 67 ... Stinging grain recovery plate

Claims (3)

A threshing chamber (12) with a handle barrel (11) mounted on the upper part is provided, and grains and other components are blown and oscillated from the blower tang (19) below the handling net (18) of the threshing chamber (12). The swing sorting device (26) constituted by the swing sorting shelf (25) for wind-selecting the processed product is provided, and the stabbed grains stuck in the transporting cereal are dropped behind the threshing chamber (12). A fourth processing device (36) is provided by axially mounting a fourth processing cylinder (38) provided with processing teeth (39) to be processed, and the rear side portion of the threshing chamber (12) Dust exhaust which is mounted in parallel with the shaft center of the cylinder (11) and which has a dust processing cylinder (41) having processing teeth (42) on its outer periphery, and communicates with the threshing chamber (12) and the dust exhaust communication port (44). processing unit (40) is provided, wherein in the vicinity of the front Symbol fourth wheel apparatus (36) and grain discharged from the fourth wheel apparatus (36) Haichirisho Device to recover the grain discharged from (40), said oscillating sorting shelf (25) third processing location (55) threshing device having a transport to the starting end of the. 3. The third processing apparatus (55) according to claim 1, wherein the third processing device (55) is provided with a receiving rod (56) in a direction parallel to the axis of the handling cylinder (11), and has a processing tooth (58) in the receiving rod (56). A threshing apparatus comprising a number processing cylinder (57), and a fourth processed material receiving plate (59) provided below the fourth processing apparatus (36) connected to the receptacle (56). 3. The third processing cylinder (57) of the third processing apparatus (55) according to claim 1 or 2, wherein the third processing cylinder (57) is provided below the axial center of the processing cylinder (11) when viewed from the rear, and is opposite to the processing cylinder (11). A threshing device configured to rotate clockwise.