JP4327312B2 - Combine waste disposal section structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combine, and particularly relates to the structure of a waste disposal processing unit.
[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. On the other hand, the swaying selection unit is disposed at a position immediately below the threshing unit, and the squeezing processing unit is disposed immediately after the threshing unit.
[0003]
Then, the cereals harvested by the reaping part are threshed by the threshing part, and then the slaughtered part is broken and discharged to the outside of the machine body.
[0004]
In such a conventional combine, a suction fan is disposed at a position directly above the rocking body disposed in the rocking selection section, and a cutter device is disposed immediately after the suction fan.
[0005]
[Problems to be solved by the invention]
However, in the conventional combine, when performing maintenance of the suction fan, it is necessary to remove the suction fan after removing the cutter device, and the work for removing and assembling the suction fan is complicated. There was a risk that maintenance of the suction fan could not be performed well.
[0006]
In addition, a suction fan is disposed immediately above the rocking body so that all dust generated in the threshing portion is discharged by the suction fan to the outside of the machine body, so the mass containing a large amount of moisture is large. Scrap was also sucked by the suction fan, the suction fan was clogged, and the suction fan might break down.
[0007]
[Means for Solving the Problems]
Therefore, in the present invention, a cutting part is arranged at the front end of the machine body, a threshing part and a swing sorting part are arranged up and down at a rear position of the cutting part, and a rejection processing part is arranged at a rear position of the threshing part. In the combine which is provided, the waste disposal processing unit is provided with a cutter device for breaking the waste at the rear end of the machine body so as to be openable and closable. A suction fan for discharging dust to the outside is connected, and the cutter device and the suction fan can be opened and closed integrally. The upper wall of the suction fan has a suction amount adjustment plate that can be swung up and down. The suction amount adjusting plate is connected to a suction amount adjusting mechanism for adjusting the suction amount by the suction fan in accordance with the amount of exhausted air of the tang arranged in the swing selection unit . An exclusion processing unit structure is provided .
[0008]
In addition, a waste guide for guiding the waste broken by the cutter device to the outside is connected to the rear end portion of the fan casing of the suction fan.
[0009]
In addition, a gap is formed between the swinging body disposed in the swing sorting unit and the suction fan.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The combine according to the present invention is provided with a cutting part at the front end of the fuselage, with a threshing part and a swing sorting part arranged vertically at the rear position of the cutting part, and a waste treatment process at the rear position of the threshing part. The part is arranged.
[0011]
In addition, a cutter device for breaking the waste is disposed at the rear end of the machine body so as to be openable and closable, and a suction fan for discharging dust generated in the threshing unit to the outside is provided at the front of the cutter device. The cutter device and the suction fan are configured so as to be integrally openable and closable.
[0012]
Therefore, the cutter device and the suction fan can be opened and closed simultaneously, and the maintenance work of the cutter device and the suction fan can be easily performed.
[0013]
In addition, by connecting a waste guide for guiding the waste broken by the cutter device to the outside at the rear end of the fan casing of the suction fan, the waste guide is used to remove dust generated in the threshing portion. It can function as a guide when discharging to the outside, and can smoothly discharge dust to the outside.
[0014]
In addition, it is not necessary to provide a guide separate from the evacuation guide in the suction fan, the number of parts can be reduced, manufacturing costs can be reduced, and assembly work can be simplified.
[0015]
Further, by forming a gap between the oscillating body disposed in the oscillating sorting section and the suction fan, a large amount of waste containing a large amount of moisture is formed between the oscillating body and the suction fan. The air is discharged to the outside through the gap, so that the suction fan can be prevented from being clogged, and the suction fan can be prevented from malfunctioning.
[0016]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0017]
FIG. 1 shows a combine 1 according to the present invention. The combine 1 is provided with a pair of left and right crawler type traveling sections 3 and 3 at the lower part of a body frame 2 and at the front end of the body frame 2. The mowing unit 4 is disposed so as to be movable up and down via an elevating mechanism 5, a threshing unit 6 is disposed immediately after the mowing unit 4, and a rocking selection unit 7 is disposed immediately below the threshing unit 6. On the other hand, a squeezing processing unit 8 is disposed at the rear upper part of the swing sorting unit 7 and immediately after the threshing unit 6.
[0018]
Moreover, the combine 1 arrange | positions the operation part 9 in the right front end part of the body frame 2, arrange | positions the grain storage part 10 in the position right behind the operation part 9, and also the grain storage part 10 A prime mover section 11 is disposed immediately after the motor.
[0019]
Then, the combine 1 performs threshing processing on the cereal harvested by the reaping unit 4 by the threshing unit 6, sorts the grain and the waste by the swing sorting unit 7, and sorts the grain into the grain storage unit 10. On the other hand, the waste is broken by the waste treatment unit 8 and discharged to the outside of the machine body.
[0020]
As shown in FIGS. 2 to 5, the waste disposal unit 8 is provided with a cutter device 12 for breaking the waste in the rear end portion of the machine body so as to be opened and closed in the front-rear direction. A suction fan 13 for discharging dust generated in the threshing unit 6 to the outside is connected to the front part.
[0021]
The cutter device 12 has a cutter support 13 erected on the right rear end of the machine body frame 2, and the right front end of a rectangular box-shaped cutter casing 14 is pivotally attached to the cutter support 13. Inside the cutter casing 14, a cutter mechanism 15 and a diffusing mechanism 16 are arranged with a space therebetween in the vertical direction. In the figure, 17 is a pivot, and 18 is a bracket.
[0022]
The cutter mechanism 15 has two cutter shafts 21 and 22 horizontally mounted between the left and right side walls 19 and 20 of the cutter casing 14 so as to be rotatable, and a disc-shaped cutter blade is mounted on the cutter shafts 21 and 22. 23 and 24 are mounted along the cutter shafts 21 and 22 at intervals.
[0023]
Further, the cutter mechanism 15 is attached to the lower end portion of the front side wall 25 of the cutter casing 14 with a waste guide 26 for guiding the waste broken by the cutter device 12 to the outside in a slanted shape with a front height and a low height. .
[0024]
In the diffusion mechanism 16, a diffusion shaft 27 is horizontally mounted between the left and right side walls 19, 20 of the cutter casing 14, and a diffusion blade 28 is attached to the diffusion shaft 27.
[0025]
The diffusion mechanism 16 discharges the waste broken by the cutter mechanism 15 toward the field while diffusing.
[0026]
The suction fan 13 has support angles 30 and 30 attached to a pair of left and right extending vertically in the middle of a support pipe 29 having a hollow rectangular cross section that is horizontally mounted between the left and right side walls 19 and 20 of the cutter casing 14. The left and right side walls 32 and 33 of the fan casing 31 of the suction fan 13 are mounted between the support angles 30 and 30, and the rotary shaft 34 is rotatably mounted between the substantially central portions of the left and right side walls 32 and 33. A sirocco fan 35 is attached to the rotating shaft 34.
[0027]
As described above, in this embodiment, the cutter device 12 for breaking the waste is disposed at the rear end of the machine body so as to be openable and closable, and the dust generated in the threshing unit 6 is formed at the front of the cutter device 12. Since the suction fan 13 is connected to the outside and the cutter device 12 and the suction fan 13 can be integrally opened and closed, the cutter device 12 and the suction fan 13 can be opened and closed simultaneously. Thus, the maintenance work of the cutter device 12 and the suction fan 13 can be easily performed.
[0028]
Further, the suction fan 13 brings the rear end portion of the upper wall 36 having a circular arc shape in the fan casing 31 into contact with the middle portion of the exhaust guide 26, and connects the exhaust guide 26 to the rear end portion of the fan casing 31. is doing.
[0029]
Therefore, the evacuation guide 26 can be made to function as a guide at the time of discharging | emitting the dust produced in the threshing part 6, and dust can be discharged | emitted smoothly outside.
[0030]
Moreover, it is not necessary to provide the suction fan 13 with a guide separate from the evacuation guide 26, the number of parts can be reduced, manufacturing costs can be reduced, and assembly work can be simplified.
[0031]
Further, the suction fan 13 is disposed at a position immediately above the rear end of the rocking body 37 disposed in the rocking selection unit 7, and the lower wall 38 having a circular arc cross section of the fan casing 31 of the suction fan 13 and the rocking body. A gap 39 is formed between the upper rear end of 37.
[0032]
Therefore, fine dust generated in the threshing unit 6 is sucked by the suction fan 13 and discharged to the outside, but a large amount of moisture containing a large amount of moisture is formed between the rocking body 37 and the suction fan 13. As a result, the suction fan 13 is not clogged with a large amount of moisture containing a large amount of moisture, and the suction fan can be prevented from malfunctioning.
[0033]
A suction amount adjustment plate 40 is swingably attached to the front end of the upper wall 36 of the suction fan 13 so as to be swingable in the vertical direction. A suction amount adjusting mechanism 42 for adjusting the suction amount by the suction fan 13 according to the exhausted air amount of 41 is linked and connected.
[0034]
As shown in FIG. 6, the suction amount adjusting mechanism 42 has a potentiometer 46 attached to a pivot 45 of a discharge amount adjusting plate 44 that is rotatably provided in a side opening 43 of the carp 41, and the potentiometer 46 is attached to a controller 47. On the other hand, the electric motor 48 is connected to the controller 47, the base end portion of the rotating arm 50 is attached to the drive shaft 49 of the electric motor 48, and the suction amount adjusting plate 40 is attached to the distal end portion of the rotating arm 50. The front ends of the two are interlocked via an interlocking wire 51.
[0035]
Then, the suction amount adjustment mechanism 42 detects the amount of rotation of the exhaust air amount adjustment plate 44 of the red pepper 41 by means of the potentiometer 46, so that the controller 47 detects the amount of exhaust air of the red pepper 41, and the controller 47 The electric motor 48 is rotated to open and close the suction amount adjustment plate 40. For example, when the amount of exhausted air from the tang 41 is large, the suction adjustment plate 40 is opened and the suction fan 13 increases the amount of exhaust air. Adjustment is made so that dust can be sucked.
[0036]
FIGS. 7 and 8 are diagrams showing a mechanism for adjusting the suction amount of the suction fan 13. In this case, a speed change mechanism 52 is attached to the rotating shaft 34 of the suction fan 13, and the controller 47. By operating the speed change mechanism 52 with the electric motor 48 connected to the motor, the rotational speed of the rotary shaft 34 of the suction fan 13 is increased or decreased to adjust the suction amount of the suction fan 13.
[0037]
The speed change mechanism 52 has a split pulley 55 composed of left and right split pulley components 53 and 54 attached to the rotation shaft 34 of the suction fan 13, and an advancing / retracting shaft 56 attached to the left split pulley component 53. A rack 57 is formed in the upper part of the outer peripheral surface, and a pinion gear 58 attached to the drive shaft 49 of the electric motor 48 is engaged with the rack 57. In the figure, 59 is a transmission belt for transmitting the power of the prime mover 11 to the rotating shaft 34 of the suction fan 13, and 60 is attached to the left side wall 32 of the suction fan 13 to support the advance / retreat shaft 56 so as to be able to advance and retract. Support bosses 61 and 62 are bearings, and 63 is a connection body for connecting the left split pulley constituting body 53 and the advance / retreat shaft 56.
[0038]
Thus, by providing the suction amount adjusting mechanism 42 for adjusting the suction amount by the suction fan 13, for example, when it is detected that the cutting unit 4 is raised during traveling on the road or turning, By reducing the rotational speed of the fan 13, fuel consumption can be improved.
[0039]
The cutter device 12 and the suction fan 13 are interlocked by a drive mechanism 64.
[0040]
That is, as shown in FIGS. 2 and 5, the drive mechanism 64 has a counter pulley 65 attached to the left end portion of the counter shaft 65 and a counter pulley 66 attached to the left end portion of the counter shaft 65. A chain pulley 69 attached to the left end of the cutter shaft 22 of the cutter mechanism 15, a diffusion pulley 68 attached to the left end of the diffusion shaft 27 of the diffusion mechanism 16, and a chain case 69 on the rotating shaft 34 of the suction fan 13 A transmission belt 71 is wound around a fan pulley 70 that is interlocked and connected to each other, and the cutter shafts 21 and 22 of the cutter mechanism 15 are interlocked and connected by a pair of gears 72 and 73. In the figure, 74 and 75 are tension pulleys.
[0041]
【The invention's effect】
The present invention is implemented in the form as described above, and has the following effects.
[0042]
(1) In the present invention, a cutter device for breaking the waste is provided at the rear end of the machine body so as to be openable and closable, and dust generated in the threshing portion is discharged to the front of the cutter device. These suction fans are connected in series so that the cutter device and the suction fan can be opened and closed integrally. A suction amount adjustment plate is provided on the upper wall of the suction fan so that it can be swung up and down. Since the suction amount adjustment mechanism for adjusting the suction amount by the suction fan according to the amount of exhaust air of the Kara, arranged in the swing sorting part is interlocked and connected , the cutter device and the suction fan can be opened and closed simultaneously. The maintenance work of the cutter device and the suction fan can be performed easily, and when there is a large amount of air discharged from the tang, the suction adjustment plate is opened so that more dust can be sucked by the suction fan. Can be adjusted .
[0043]
(2) In the present invention, since a waste guide for guiding the waste broken by the cutter device to the outside is connected to the rear end portion of the fan casing of the suction fan, the waste guide is threshed. It is possible to function as a guide when the dust generated in the section is discharged to the outside, and the dust can be discharged smoothly to the outside.
[0044]
In addition, it is not necessary to provide a guide separate from the evacuation guide on the suction fan, the number of parts can be reduced, manufacturing costs can be reduced, and assembly work can be simplified.
[0045]
(3) In the present invention, since a gap is formed between the oscillating body disposed in the oscillating sorting section and the suction fan, a large amount of waste containing a large amount of moisture is generated between the oscillating body and the suction fan. The suction fan is discharged to the outside through the gap formed between them, and the suction fan can be prevented from being clogged to prevent the suction fan from being broken.
[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 rejection processing unit.
FIG. 3 is a side view showing a suction fan mounting structure.
FIG. 4 is a side sectional view showing a cutter device and a suction fan.
FIG. 5 is a plan view showing an exclusion processing unit.
FIG. 6 is an explanatory view showing an air volume adjusting mechanism.
FIG. 7 is a side view of the same.
FIG. 8 is a rear sectional view of the same.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Combine 2 Airframe frame 3 Traveling part 4 Mowing part 6 Threshing part 7 Oscillation sorting part 8 Exclusion processing part 9 Driving part
10 Kernel storage
11 prime mover
12 Cutter device
13 Suction fan
26 Exclusion guide
31 Fan casing

Claims (3)

A cutting part (4) is arranged at the front end of the machine body, and a threshing part (6) and a swing sorting part (7) are arranged up and down at a rear position of the cutting part (4), and a threshing part (6 ) In the combine formed by disposing the waste disposal part (8) at the rear position,
The waste disposal unit (8) is provided with a cutter device (12) for breaking the waste at the rear end of the machine body so as to be freely opened and closed.
A suction fan (13) for discharging dust generated in the threshing section (6) to the outside at the front of the cutter apparatus (12) is connected to the cutter apparatus (12) and the suction fan (13). Can be opened and closed integrally ,
A suction amount adjustment plate (40) is provided on the upper wall (36) of the suction fan (13) so as to be movable up and down.
The suction amount adjustment plate (40) has a suction amount adjustment mechanism (adjustment mechanism) for adjusting the suction amount by the suction fan (13) in accordance with the amount of air exhausted from the tang (41) arranged in the swing selection unit (7). 42) The waste disposal part structure of a combine characterized in that 42) is linked .   A discharge guide (26) for guiding the discharge broken by the cutter device (12) to the outside at the rear end of the fan casing (31) of the suction fan (13). Item 2. The structure of the waste disposal part of a combine according to Item 1.   The exhaust of a combine according to claim 1 or 2, characterized in that a gap (39) is formed between the swinging body (37) disposed in the swing sorting part (7) and the suction fan (13).藁 Processing unit structure.

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