JP3746608B2 - Combine suction and exhaust fan structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combined suction and dust exhaust fan structure.
[0002]
[Prior art]
In the conventional combine, a sorting unit is arranged at a position directly below the threshing unit, a waste disposal unit is arranged at a position behind the sorting unit, and a suction dust exhaust fan is sorted in the waste disposal unit. It was provided for the club.
[0003]
And the scouring processed by the threshing unit passes from the threshing unit directly above the suction dusting fan to the scouring processing unit, and is squeezed by the slaughtering processing unit. The dust generated in the sorting section was discharged to the outside of the aircraft by the action of the suction waste fan.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional combine, the waste that has been threshed by the threshing unit passes above the suction dusting fan and is transported to the waste disposal unit. It falls to the upper part of the dust exhaust fan, and dust accumulates on the upper part of the suction dust exhaust fan, which deteriorates the aesthetics and requires cleaning the upper part of the suction dust exhaust fan, which is complicated. .
[0005]
[Means for Solving the Problems]
So, in this invention, while arrange | positioning a sorting part below the threshing part, a waste disposal part is arrange | positioned behind the sorting part, and a threshing part is provided by the suction dusting fan provided in the waste disposal part. In a combine that is configured to discharge the dust from the sorting unit to the outside of the fuselage, dust suction fins are formed in the casing of the suction dust exhaust fan toward the inside of the casing, and a dust suction opening is sucked to the tip of the dust suction fins. It is formed toward the discharge port of the dust exhaust fan, and the dust in the vicinity of the suction dust exhaust fan is configured to be discharged to the outside of the machine body together with the dust from the threshing unit and the sorting unit.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
In the combine dust suction fan structure according to the present invention, a sorting unit is disposed at a position below the threshing unit, and a waste disposal unit is disposed at a rear position of the sorting unit, and suction is performed by the waste disposal unit. A dust exhaust fan is provided with the suction port directed toward the sorting section, and the suction dust exhaust fan is configured to discharge the dust from the sorting section to the outside of the machine body.
[0008]
In addition, a dust suction opening is formed in the casing of the suction dust exhaust fan.
[0009]
Therefore, even if the waste that has been threshed by the threshing unit passes over the suction dusting fan and is conveyed to the waste processing unit, even if dust falls from the waste to the top of the suction dusting fan, The dust can be sucked into the suction dust exhaust fan from the dust suction opening and discharged to the outside of the machine body together with the dust generated in the threshing part and the sorting part.
[0010]
As a result, dust does not accumulate on the upper part of the suction and dust exhaust fan, the aesthetics are not impaired, and it is not necessary to clean the upper part of the suction and dust exhaust fan, thereby reducing maintenance work.
[0011]
In particular, a suction fin is formed on the casing of the suction dust exhaust fan toward the inside of the casing, and a suction opening is formed at the tip of the suction fin toward the discharge outlet of the suction dust exhaust fan, so that suction is performed from the suction inlet. The discharged dust is not discharged from the dust suction opening, and the dust sucked from the dust suction opening can be smoothly discharged from the discharge port to the outside of the machine body.
[0012]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0013]
FIG. 1 is a view showing a combine 1 having a suction and dust exhaust fan structure according to the present invention. The combine 1 is provided with a pair of left and right crawler type traveling sections 3 and 3 below a machine frame 2, and the machine body. A mowing unit 4 is disposed at the left front end of the frame 2 so as to be movable up and down, a threshing unit 5 is disposed immediately after the mowing unit 4, and a sorting unit 6 is disposed immediately below the threshing unit 5. In addition, the waste disposal unit 7 is disposed immediately after the threshing unit 5, while the operation unit 8 is disposed at the right front portion of the machine body frame 2, and the grain is stored immediately after the operation unit 8. A portion 9 is provided.
[0014]
As shown in FIGS. 1 and 2, the threshing unit 5 mounts a substantially cylindrical handling cylinder 10 with its axis lined in the front-rear direction of the machine body, and cuts the feed chain 11 at the left side of the handling cylinder 10. The processing cylinder 35 is disposed at the right side position of the handling cylinder 10 with the axis line directed in the front-rear direction of the machine body. 35 are arranged in parallel with an interval in the left-right width direction in plan view. In the figure, 36 is a tooth handling planted on the outer peripheral surface of the handling cylinder 10.
[0015]
A crimp net 22 for rough selection of the threshed rice cake is disposed along the outer peripheral surface of the handling cylinder 10 immediately below the handling cylinder 10.
[0016]
As shown in FIG. 3, the crimp net 22 is formed by integrally forming a frame body 23 and a net body 24 of a resin material to ensure a good strength of the frame body and facilitate the formation of the crimp net 22. It is supposed to be.
[0017]
The mesh body 24 includes a front mesh portion 24a and a rear mesh portion 24b, and the front mesh portion 24a is formed in a flat plate shape having a waveform in cross section as shown in FIGS. 4 and 5, and has a rectangular insertion hole. 24c are formed in a lattice arrangement, while the rear mesh portion 24b is formed in a flat plate shape having a waveform in cross section as shown in FIGS. 6 and 7, and from the insertion holes 24c of the front mesh portion 24a. Also, through holes 24d having a large opening area are formed in a lattice arrangement.
[0018]
In this way, by making the opening areas of the insertion holes 24c and 24d different, so-called stinging of rice with good grain shedding can be prevented.
[0019]
As shown in FIGS. 1 and 2, the sorting unit 6 is provided with a swinging sorter 12 slidably disposed at a position directly below the handling cylinder 10, and a preheat fan 13 at a front lower portion of the swinging sorter 12. 1 is placed immediately after the preheat fan 13, and the first grain 15 and 1 for collecting the first grain by wind selection and the second grain are placed immediately after the pre-heat fan 13. The number conveyor 16, the second basket 17 and the second conveyor 18 are arranged in the left-right width direction of the machine body.
[0020]
The swing sorter 12 is pivotally attached to the airframe by a pivot 37 that is pivotally attached to the lower front side, and is swung up and down around the pivot 37 by a crank mechanism 38 disposed at a lower position on the rear side. ing.
[0021]
Further, the swing sorter 12 has a grain pan 39 formed at the front end, a fluid line 40 is formed at a position in the direct direction of the grain pan 39, and a plurality of chaff fins 41 are spaced back and forth at the rear lower part of the fluid line 40. Forming a chaff 42 that is configured to open, a position immediately below the chaff 42, and forming a glenshave 43 at a position directly above the conveyor 16, and a position immediately after the glenshave 43, In addition, a drop port 44 is formed at a position directly above the second conveyor 18.
[0022]
The first end of the cereal conveyor 45 is connected to the end of the first conveyor 16, and the cereal conveyor 45 is disposed in an inclined manner from the lower front side to the upper rear side of the machine body. The part is connected to a grain storage tank 19 which will be described later, so that the straw first selected as the straw 15 is conveyed to the grain storage tank 19.
[0023]
On the other hand, the end portion of the second conveyor 18 is connected to the start end portion of the reduction conveyor 46, and the reduction conveyor 46 is disposed in an inclined manner from the lower rear side to the upper front side of the machine body. The portion is connected in communication with the front portion of the crimp net 22 described above, so that the so-called second item sorted in the second basket 17 is conveyed to the front portion of the crimp net 22 and sorted again.
[0024]
As shown in FIG. 1, the grain storage unit 9 has a grain storage tank 19 attached to the upper part of the body frame 2, and the base end of the vertical transfer auger 20 is connected to the rear lower part of the grain storage tank 19. The horizontal transfer auger 21 is connected to the tip of the vertical transfer auger 20 so as to be rotatable in the vertical and horizontal directions.
[0025]
As shown in FIGS. 1 to 3, the waste disposal processing unit 7 is provided with a suction dust exhaust fan 25 at a position immediately after the threshing unit 5 and the sorting unit 6, and at a position immediately after the suction dust exhaust fan 25. On the other hand, the waste cutter 26 is disposed, and the waste that has been threshed in the threshing section 5 is transported from the threshing section 5 to the waste processing section 7 immediately above the suction dust exhaust fan 25. A chain 47 is disposed, and a guide bar 48 is disposed along the waste transport chain 47 at a position directly below the waste transport chain 47. In the figure, 34 is a cutter wall.
[0026]
Then, the dust generated in the threshing unit 5 and the sorting unit 6 is discharged to the outside of the machine body by the suction dust discharge fan 25, and the waste after the threshing is crushed by the waste cutter 26 and discharged to the outside of the machine body. I have to.
[0027]
That is, the waste that has been threshed by the threshing unit 5 passes from the threshing unit 5 directly above the suction dusting fan 25 and is transported to the waste processing unit 7. On the other hand, the dust generated in the threshing unit 5 and the sorting unit 6 is discharged to the outside of the machine body by the action of the suction and discharge fan 25.
[0028]
The suction dust exhaust fan 25 has a casing 27 attached to the body frame 2 via a support frame 49, a fan shaft 28 mounted on the casing 27 with its axis lined in the lateral direction of the body, and a fan shaft 28 The main body 29 is attached.
[0029]
The casing 27 is formed with a suction port 30 at the front lower portion facing the sorting unit 6, while a discharge port 31 is formed at the rear lower portion facing the outside of the machine body, and a plurality of dust-absorbing fins are formed at the rear upper portion. 32 is formed at an interval in the front-rear direction toward the inside of the casing 27, and a left-right longitudinal dust suction opening 33 is formed at the tip of the dust suction fin 32 toward the discharge port 31.
[0030]
In this manner, since the dust suction opening 33 is formed in the casing 27 of the suction dust exhaust fan 25, the waste that has been threshed by the threshing unit 5 passes above the suction dust exhaust fan 25 and passes through the waste processing unit 7. Even if dust falls from the culvert to the upper part of the suction dust exhaust fan 25 while being transported to the suction port, the dust is sucked into the suction dust exhaust fan 25 from the dust suction opening 33, and the threshing unit 5 and the sorting unit 6 are sucked. It can be discharged to the outside of the aircraft together with the dust generated in
[0031]
Moreover, since the dust suction fins 32 are formed in the casing 27 toward the inside of the casing 27 and the dust suction openings 33 are formed at the tips of the dust suction fins 32 toward the discharge ports 31, the suction fins 32 are sucked from the suction ports 30. The dust can be reliably discharged from the discharge port 31 to the outside of the airframe without being discharged from the dust suction opening 33.
[0032]
In addition, since negative pressure is generated in the vicinity of the dust suction opening 33 by the operation of the suction dust exhaust fan 25, dust is not clogged in the dust suction opening 33, and the dust sucked from the dust suction opening 33 is transferred from the discharge port 31 to the outside of the aircraft. It can be discharged smoothly.
[0033]
As a result, dust does not accumulate on the upper part of the suction dust exhaust fan 25, the aesthetics are not impaired, and there is no need to clean the upper part of the suction dust exhaust fan 25, thereby reducing maintenance work. .
[0034]
As shown in FIGS. 1 to 3, the waste disposal unit 7 includes a waste cutter 26 including a large-diameter cutter blade 26 a and a small-diameter cutter blade 26 b. The dust exhaust fan 25 is partitioned by a cutter wall 34, and the lower end of the cutter wall 34 is bent toward the reject cutter 26 to form a guide plate 34a. Drop along the guide plate 34a to the rear of the fuselage, and dust discharged from the discharge port 31 of the suction dust exhaust fan 25 is also discharged along the guide plate 34a to the rear of the fuselage. ing.
[0035]
【The invention's effect】
The present invention is implemented in the form as described above, and has the following effects.
[0036]
In the present invention, a sorting unit is disposed below the threshing unit, a waste disposal unit is disposed behind the sorting unit, and dust from the sorting unit is removed by a suction dust exhaust fan provided in the waste disposal unit. In a combine configured to be discharged to the outside of the machine body, dust suction fins are formed in the casing of the suction dust exhaust fan toward the inside of the casing, and a dust suction opening is formed at the tip of the dust suction fin. Since it is formed toward the outlet, the waste that has been threshed by the threshing unit passes above the suction dusting fan and is transported to the waste processing unit. Even if it falls to the upper part, the dust can be sucked into the inside of the suction dust exhaust fan through the dust suction opening and discharged together with the dust from the threshing part and the sorting part to the outside of the machine body.
[0037]
As a result, dust does not accumulate on the upper part of the suction and dust exhaust fan, the aesthetics are not impaired, and it is not necessary to clean the upper part of the suction and dust exhaust fan, thereby reducing maintenance work.
[0038]
Moreover, the suction fins are formed in the casing of the suction dust exhaust fan toward the inside of the casing, and the dust suction opening is formed at the tip of the dust suction fin toward the discharge outlet of the suction dust exhaust fan. The sucked dust can be discharged outside the airframe without being discharged from the dust suction opening.
[0039]
Also, since negative pressure is generated in the vicinity of the dust suction opening due to the operation of the suction dust exhaust fan, dust is not clogged in the dust suction opening, and the dust sucked from the dust suction opening can be discharged smoothly from the discharge port to the outside of the aircraft. Can do.
[Brief description of the drawings]
FIG. 1 is a side view showing a combine having a suction dust exhaust fan structure according to the present invention.
FIG. 2 is a side view showing a threshing unit, a sorting unit, and a rejection processing unit.
FIG. 3 is a partially cutaway explanatory view showing a suction dust exhaust fan.
FIG. 4 is a perspective view showing a crimp net.
FIG. 5 is a plan view showing a front network.
FIG. 6 is a sectional view of the same.
FIG. 7 is a plan view showing a rear network.
FIG. 8 is a sectional view of the same.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Combine 2 Airframe frame 3 Traveling part 4 Cutting part 5 Threshing part 6 Sorting part 7 Exclusion processing part 8 Driving part 9 Grain storage part
25 Suction dust exhaust fan
26 Exhaust cutter
27 Casing
30 Suction port
31 outlet
32 Dust absorption fin
33 Dust collection opening

Claims (1)

A sorting unit (6) is disposed below the threshing unit (5), and a waste treatment unit (7) is disposed behind the sorting unit (6) and provided in the waste treatment unit (7). In a combine configured to discharge the dust of the threshing section (5) and the sorting section (6) to the outside of the aircraft by the suction dust exhaust fan (25),
Thereby forming toward the casing (27) dust suction fins (32) of the suction dust-exhaust fan (25) into the interior of the casing (27), suction exhaust the dust suction opening (33) at the tip of the dust suction fins (32) dust fan (25) is formed toward the discharge port to (31) of, to the dust discharged together to the outside of the fuselage of the threshing portion of the dust in the vicinity (5) and the sorting unit (6) of the suction dust-exhaust fan (25) Combined suction and dust exhaust fan structure characterized by the above.

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