JP4427638B2 - Combine thresher structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combine, and particularly relates to a structure of a threshing portion.
[0002]
[Prior art]
As a conventional combine, a traveling unit is disposed at the lower part of the body frame, a cutting part is disposed at the front end of the body frame, and a threshing part is disposed immediately after the cutting part. Is disposed at a position immediately below the threshing portion, and a slaughtering portion is disposed immediately after the threshing portion. The threshing portion includes a first handling cylinder and a second handling cylinder. Were arranged with a space in front and back.
[0003]
Then, the cereals cut by the threshing unit are threshed while being conveyed from the left end of the first handling cylinder to the right end, and further, the cereal is processed from the right end of the first handling cylinder to the second handling cylinder. The threshing process was carried out while being transferred from the right end of the second handling cylinder to the left end, and then the slaughter was processed by the squeezing unit.
[0004]
[Problems to be solved by the invention]
However, in the above conventional combine, there is a possibility that clogging of the cereals may occur between the threshing unit and the slaughtering unit, so that the cereals are transported between the threshing unit and the sieving processing unit. Although the thing which provided this conveyance beater is also considered, the load concerning a conveyance beater was large, and there existed a possibility that a lot of motive power might be consumed in order to convey a corn straw by a conveyance beater.
[0005]
[Means for Solving the Problems]
Therefore, in the present invention, the harvester is disposed at the front end of the machine body, the threshing unit is disposed at the rear position of the harvester, and the waste disposal unit is disposed at the rear position of the threshing unit. In the threshing portion, a first handling cylinder and a second handling cylinder having the same outer diameter are respectively arranged at intervals in the front-rear direction with the axis of the rotation axis directed in the left-right width direction. A conveying beater is disposed between the second barrel and the waste disposal unit with the axis of the rotation axis directed in the left-right width direction. A beater drum is attached to the outer surface, and a plurality of conveying blades are spirally provided on the outer peripheral surface of the beater drum, and a cylindrical portion on which the conveying blade is not provided is formed at the outer peripheral surface end of the beater drum. A guide body is arranged at a position directly below the conveying beater, and the guide body is moved back and forth on the base frame extended in the left-right width direction. A plurality of guide frames extended in the direction are arranged in a comb-like shape with a spacing left and right, and a communication portion not provided with a guide frame is formed immediately below the cylindrical portion of the beater drum; did.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The combine according to the present invention has a cutting part disposed at the front end of the machine body, a threshing part disposed at a rear position of the cutting part, and a waste disposal part disposed at a rear position of the threshing part. is there.
[0007]
In addition, a first handling cylinder and a second handling cylinder having the same outer diameter are arranged in the threshing portion with a space between the front and rear in a state where the axis of the rotation shaft is directed in the left-right width direction. A conveying beater is disposed between the second barrel and the waste disposal unit with the axis of the rotation axis directed in the left-right width direction.
[0008]
Therefore, the rotation axes of the first handling cylinder, the second handling cylinder, and the transfer beater are all extended in the left-right width direction, and the engine power is transmitted to the left or right side of the machine body. A power transmission mechanism for transmitting to the conveying beater can be provided, and the configuration of the power transmission mechanism can be simplified, and therefore the size of the machine body can be reduced.
[0009]
In addition, the outer diameter of the second handling cylinder located at the rear is conventionally smaller than the first outer diameter located at the front, whereas the outer diameter of the first handling cylinder and the second handling cylinder are reduced. Since the outer diameter of each is the same diameter, the processing area in the second barrel is increased, and the threshing process can be performed smoothly.
[0010]
Further, by attaching the beater drum to either the left or right half of the rotation shaft, the weight of the transport beater can be reduced, and the power for driving the transport beater can be reduced.
[0011]
Further, by providing a plurality of conveying blades in a spiral manner on the outer peripheral surface of the beater drum, the waste can be smoothly conveyed while diffusing in the extending direction of the beater drum, and the clogging of the waste is prevented. It is something that can be done.
[0012]
In particular, by forming a cylindrical portion on the outer peripheral surface of the beater drum where no conveying blade protrudes, the waste is prevented from being forced against the partition wall by the conveying blade, and the waste is removed from the beater drum. It is possible to prevent the clogging between the end portion and the partition wall.
[0013]
In addition, a guide body is provided at a position directly below the conveying beater, and the guide body is a comb having a plurality of guide frames extended in the front-rear direction on a base frame extended in the left-right width direction and spaced apart in the left-right direction. By arranging it in a tooth shape, even if grains are mixed in the waste conveyed by the conveying beater, the grains can be leaked from the gap of the guide frame to the swing sorting part, and the harvest loss can be reduced. It can be reduced.
[0014]
In particular, by forming a communication portion not provided with a guide frame at a position directly below the cylindrical portion of the beater drum, the waste can be dropped from the transport beater to the lower side of the guide frame. Can be prevented from clogging between the end of the beater drum and the partition wall.
[0015]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0016]
FIG. 1 shows a general-purpose combiner as a combine 1 according to the present invention. The combine 1 is provided with a pair of left and right crawler type traveling units 3 and 3 at a lower part of an airframe frame 2 and an airframe frame 2. The cutting part 4 is arranged to be movable up and down at the front end, the conveying part 5 is arranged immediately after the cutting part 4, and the threshing part 6 is arranged immediately after the conveying part 5. While the swing sorting unit 7 is disposed at a position directly below the threshing unit 6, the squeezing processing unit 8 is disposed at the rear upper part of the swing sorting unit 7 and immediately after the threshing unit 6. Yes.
[0017]
Further, the combine 1 is a front end portion of the machine body frame 2, and an operation unit 9 is disposed immediately above the transport unit 5, a position immediately after the operation unit 9, and immediately above the threshing unit 6. The grain storage unit 10 is disposed at a position, and further, a position immediately behind the grain storage unit 10 and a position immediately above the rear end portion of the swing sorting unit 7 and the waste disposal unit 8. A portion 11 is provided.
[0018]
Below, the structure of each part of the combine 1 is demonstrated.
[0019]
(Running part 3)
The traveling unit 3 has a traveling frame 12 attached to the lower part of the body frame 2, a transmission 13 linked to the prime mover unit 11 is disposed at the front end of the traveling frame 12, and the driving wheel 14 is linked to the transmission 13. On the other hand, an idler wheel 15 is pivotally supported at the rear end of the traveling frame 12, and a crawler belt 16 is wound between the drive wheel 14 and the idler wheel 15. In the figure, 17 is a rolling wheel.
[0020]
(Reaping part 4)
The cutting unit 4 has a platform 18 connected to the tip of the transport unit 5, and a scraping reel 19 is horizontally mounted on the top of the tip of the platform 18, and a cutting blade device 20 is mounted on the lower end of the platform 18. And a transverse feed auger 21 is pivotally placed behind the cutting blade device 20 in a rotatable manner. In the figure, 22 is a divider and 23 is a transmission mechanism.
[0021]
Then, while scraping the culm planted in the field and scraping it with the reel 19, the cutting blade device 20 cuts the root part of the culm, and then the laterally fed auger 21 harvests the culm harvested at the center of the machine body. Thus, it is delivered to the rear conveyance unit 5.
[0022]
(Transport section 5)
The transport unit 5 has a feeder house 24 attached to the front end of the machine body frame 2 so as to be rotatable up and down, and a transport conveyor 25 is disposed inside the feeder house 24, while a transport beater 26 is disposed on the front end of the machine body frame 2. It lies horizontally so that it can rotate. In the figure, 27 is a hydraulic cylinder for raising and lowering the feeder house 24.
[0023]
Then, the cereals harvested by the harvesting unit 4 are conveyed to the rear threshing unit 6 by the conveyance conveyor 25 and the conveyance beater 26.
[0024]
(Threshing part 6)
As shown in FIG. 2, the threshing unit 6 forms a handling chamber 63 immediately after the transfer unit 5, and has a cylindrical first handling cylinder 28 having the same outer diameter inside the handling chamber 63. The two handling cylinders 29 are arranged with a space in the front and rear direction with the axis of the rotary shafts 64, 64 facing in the left-right width direction. Is arranged. In the figure, 32 and 33 are spirers formed on the outer periphery of each handling cylinder 28 and 29, 34 is a tooth handling, 35 and 36 are upper walls, and 37 is a right end of the first handling cylinder 28 and a second handling part. This is a communication path that communicates and connects the right end of the body 29.
[0025]
The cereals conveyed by the conveying unit 5 are threshed while moving from the left end to the right end of the first handling cylinder 28 by the action of the first handling cylinder 28, and then the second handling. By the action of the barrel 29, the threshing process is performed while moving from the right end portion to the left end portion of the second handling barrel 29, and the grain passes through the receiving nets 30 and 31 and moves to the swing selection portion 7 below. On the other hand, the waste is moved to the rear waste disposal unit 8.
[0026]
Moreover, the outer diameter of the first handling cylinder 28 and the outer diameter of the second handling cylinder 29 are made the same diameter so that the processing area in the second handling cylinder can be increased so that the threshing process can be performed smoothly. I have to.
[0027]
(Oscillating sorting unit 7)
The swing sorting unit 7 has a swing body 41 formed integrally with a feed pan 38, a chaff sheave 39, and a grain sheave 40 in the vertical direction at a position directly below the first handling cylinder 28 and the second handling cylinder 29. Arranged so as to be able to swing, and arranged on the lower front side of the rocking body 41 so that the axis 42 can be rotated with its axis lined in the left-right width direction. In addition, a grain receiver 44 is disposed in the lower rear part of the rocking body 41.
[0028]
Then, the rocking body 41 is swung to level the grain layer with the feed pan 38 to improve the sorting efficiency, and after the specific gravity sorting, the chaff sheave 39 is used to roughly sort the grain and the waste. After that, the grain and the waste are finely selected by the grain sieve 40 and the Chinese style wind from the Chinese style 42, and the grain is moved to the grain receiving portion 44, while the waste is moved to the waste processing unit 8. The grain and the waste are sorted out.
[0029]
(Exclusion processing unit 8)
As shown in FIGS. 1 to 3, the evacuation processing unit 8 rotates a substantially cylindrical conveying beater 62 at a position immediately behind the second handling cylinder 29 with the axis of the rotation shaft 76 directed in the left-right width direction. The suction fan 46 is disposed so as to be movable, and the suction fan 46 is disposed at the rear position of the conveying beater 62 so as to be rotatable with its axis lined in the left-right width direction. A substantially cylindrical cutter 45 is disposed at the rear position of the suction fan 46. It is arranged. In the figure, 47 is a cutter blade.
[0030]
Then, the waste after being threshed by the threshing unit 6 is conveyed to the cutter 45 by the action of the conveying beater 62, crushed by the cutter 45, then discharged to the outside of the machine body, and on the other hand, by the action of the suction fan 46 The waste sorted out by the swing sorting unit 7 is discharged to the outside of the machine body.
[0031]
As shown in FIGS. 2 and 3, the transfer beater 62 is rotatably installed with the beater shaft 76 extending in the left-right width direction between the rear end portions of the left and right side walls 74, 75 of the handling chamber 63. A beater drum 77 is attached to the left half of the beater shaft 76, and a plurality of conveying blades 78 project from the left end of the beater drum 77 in a spiral manner on the outer peripheral surface of the beater drum 77. In the figure, 79 is a shaft cover, 80 is a drive pulley, 81 is a transmission belt, 82 is a bearing, and 83 is a partition wall.
[0032]
In addition, the conveying beater 62 forms a cylindrical portion 89 at the right end of the outer peripheral surface of the beater drum 77 where no conveying blade 78 protrudes.
[0033]
In this manner, the first handling cylinder 28 and the second handling cylinder 29 are arranged in the threshing portion 6 with a space in the front-rear direction with the axis of the rotation shaft 64 directed in the left-right width direction. Since the conveying beater 62 is disposed between the second handling cylinder 29 and the waste disposal unit 8 with the axis of the rotation shaft 76 directed in the left-right width direction, the first handling cylinder 28, the first 2 and the rotating shafts 64 and 76 of the conveying beater 62 are all extended in the left-right width direction, and the power of the engine 61 is applied to the handling cylinders 28, 29 and A power transmission mechanism for transmitting to the conveyance beater 62 can be provided, and the configuration of the power transmission mechanism can be simplified, and thus the size of the machine body can be reduced.
[0034]
Further, since the beater drum 77 is attached only to the left half of the beater shaft 76, the transport beater 62 can be reduced in weight.
[0035]
Further, since the plurality of conveying blades 78 project in a spiral manner on the outer peripheral surface of the beater drum 77, the waste can be smoothly transported and the waste can be prevented from being clogged.
[0036]
A guide body for reliably sending the waste after the threshing process by the second handling cylinder 29 to the waste treatment unit 8 without dropping it to the swing sorting unit 7 at a position directly below the conveying beater 62. 84 is arranged.
[0037]
In particular, since the cylindrical portion 89 without the conveying blade 78 protruding is formed at the right end of the outer peripheral surface of the beater drum 77, the waste is not forced against the partition wall 83 by the conveying blade 78. Further, it is possible to prevent the waste from being clogged between the right end portion of the beater drum 77 and the partition wall 83.
[0038]
The guide body 84 is provided with base end portions of support frames 86 and 87 extending in a slanted manner with the tip portions extending upward at the left and right end portions of the base end frame 85 extended in the left-right width direction. The front ends of the support frames 86 and 87 are attached to the left side wall 74 and the partition wall 83 of the handling chamber 63, and further, a guide frame 88 is extended to the base end frame 85 so that the front end is inclined upward. It is attached in a comb-tooth shape with a gap.
[0039]
Further, the guide body 84 forms a communication portion 90 that is not provided with the guide frame 88 at the right end portion of the base end frame 85 and immediately below the cylindrical portion 89 of the beater drum 77.
[0040]
Thus, since the guide frame 88 of the guide body 84 is formed in a comb-teeth shape, grains are mixed in the waste that is conveyed from the threshing unit 6 to the waste treatment unit 8 by the conveyance beater 62. In addition, the grain can be leaked from the gap of the guide frame 88 to the swing sorting unit 7, thereby reducing the amount of grain discharged from the waste disposal unit 8 to the outside of the machine body and harvesting. Loss can be reduced.
[0041]
In particular, since the communicating portion 90 not provided with the guide frame 88 is formed immediately below the cylindrical portion 89 of the beater drum 77, the waste can be dropped from the conveying beater 62 to below the guide frame 88. This also prevents the waste from being clogged between the end of the beater drum 88 and the partition wall 83.
[0042]
(Driver 9)
The driving unit 9 has a substantially rectangular box-shaped cabin 48 disposed in the upper center of the front end of the fuselage frame 2, a seat 49 is disposed in the center rear part of the cabin 48 in plan view, and the front of the seat 49 is in front of the seat 49. A column 50 is provided, and a steering wheel 51 and a shift lever 52 are provided at the upper end of the front column 50, while a side column 53 is provided on the left side of the seat 49, and various types are provided at the upper end of the side column 53. The operation switch 54 is provided. In the figure, 55 is a windshield, 56 is a ceiling wall, and 57 is an opening / closing door.
[0043]
(Grain storage unit 10)
The grain storage unit 10 has a grain tank 58 disposed immediately above the first handling cylinder 28 and the second handling cylinder 29, and a grain receiving box 44 is placed in the grain tank 58 via a lifting conveyor 59. The discharge auger 60 is connected to the Glen tank 58 in communication.
[0044]
The grain selected by the swing sorting unit 7 is stored inside the glen tank 58, and can be discharged outside the machine body by the discharge auger 60.
[0045]
(Motor part 11)
The prime mover unit 11 has an engine 61 disposed at the upper rear portion of the fuselage, and the engine 61 is linked to each power mechanism unit such as the cutting blade device 20 and the transmission 13 via a transmission mechanism (not shown).
[0046]
Then, by driving the engine 61, each power mechanism unit operates in conjunction with each other.
[0047]
【The invention's effect】
The present invention is implemented in the form as described above, and has the effects described below.
[0048]
In the present invention, in the threshing portion, the first handling cylinder and the second handling cylinder are arranged with a space in the front-rear direction with the axis of the rotating shaft directed in the left-right width direction. Since the conveying beater is disposed between the handling cylinder and the waste disposal unit in a state where the axis of the rotation axis is directed in the left-right width direction, the first handling cylinder, the second handling cylinder, and the conveying beater are disposed. All the rotating shafts are extended in the left-right width direction, and a power transmission mechanism for transmitting the engine power to the handling cylinder and the conveying beater can be arranged on either the left or right side of the aircraft. Thus, the configuration of the power transmission mechanism can be simplified, and therefore the size of the airframe can be reduced.
[0049]
In addition, the outer diameter of the second handling cylinder located at the rear is conventionally smaller than the first outer diameter located at the front, whereas the outer diameter of the first handling cylinder and the second handling cylinder are reduced. By making the outer diameters of the same diameter, the processing area in the second handling cylinder is increased, and the threshing process can be performed smoothly.
[0050]
In addition, since the beater drum is attached to substantially the left or right half of the rotation shaft, the weight of the transport beater can be reduced, and the power for driving the transport beater can be reduced.
[0051]
In addition, since the plurality of conveying blades are spirally provided on the outer peripheral surface of the beater drum, the waste can be smoothly conveyed, and the waste can be prevented from being clogged.
[0052]
In particular, since the cylindrical portion without the conveying blade projecting is formed at the end of the outer peripheral surface of the beater drum, the waste is not forcibly pressed against the partition wall by the conveying blade, and the waste is removed from the beater drum. It is possible to prevent the clogging between the right end portion and the partition wall.
[0053]
In addition, a guide body is provided at a position directly below the conveying beater, and the guide body is a comb having a plurality of guide frames extended in the front-rear direction on a base frame extended in the left-right width direction and spaced apart in the left-right direction. Because it is arranged in a tooth shape, even if grains are mixed in the waste that is conveyed by the conveying beater, the grains can be leaked from the gap of the guide frame to the swing sorting part, resulting in a loss of harvest. Can be reduced.
[0054]
In particular, since a communicating portion not provided with a guide frame is formed at a position directly below the cylindrical portion of the beater drum, the waste can be dropped from the conveying beater to the lower side of the guide frame. It is possible to prevent the soot from becoming clogged between the end of the beater drum and the partition wall.
[Brief description of the drawings]
FIG. 1 is a left side view of a combine according to the present invention.
FIG. 2 is a side view showing a threshing portion.
FIG. 3 is a plan view of the same.
FIG. 4 is a plan view showing a transport beater.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Combine 2 Airframe frame 3 Traveling part 4 Cutting part 5 Conveying part 6 Threshing part 7 Oscillating sorting part 8 Exclusion processing part 9 Driving part
10 Kernel storage
11 prime mover
28,29
41 Oscillator
62 Conveyor beater
63 Handling room
84 Guide body
89 Cylindrical part
90 communication part

Claims (2)

A cutting part (4) is disposed at the front end of the machine body, a threshing part (6) is disposed at a rear position of the cutting part (4), and a slaughtering part (6) is disposed at a rear position of the threshing part (6). In a combine comprising 8),
In the threshing section (6), the first handling cylinder (28) and the second handling cylinder (29) are spaced apart in the front-rear direction with the axis of the rotation shaft (64) facing the left-right width direction. A conveyor beater (62) is disposed between the second handling cylinder (29) and the waste disposal section (8) with the axis of the rotating shaft (76) facing the left-right width direction. The transfer beater (62) has a beater drum (77) attached to either the left or right half of the rotating shaft (76), and a plurality of transfer blades (78) on the outer peripheral surface of the beater drum (77). Is formed in a cylindrical shape (89) on which the conveying blade (78) is not projected at the end of the outer peripheral surface of the beater drum (77), and directly below the conveying beater (62). A guide body (84) is disposed at a position, and the guide body (84) has a plurality of guide frames (88) extended in the front-rear direction on a base frame (85) extended in the left-right width direction. Arranged in a comb-like shape at intervals, and the cylindrical part (89) of the beater drum (77) The immediately below the position, the threshing portion structure of combine, characterized in that formed communicating portion not provided guide frame (88) to (90). The combine threshing part structure according to claim 1, wherein the outer diameter of the first handling cylinder (28) and the outer diameter of the second handling cylinder (29) are the same.

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