JP3734591B2 - Combine sorter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of a rocking main body that selects grain after threshing.
[0002]
[Prior art]
Conventionally, the swinging body disposed in the lower part of the sorting device such as the combiner is disposed below the crimp net in the threshing chamber, and a grain pan is formed at the front part of the swinging body. A chaff part is formed at the center, the front part of the swinging body is pivotably supported, the rear part of the swinging body is connected to a crankshaft or an eccentric shaft, and the swinging body is moved back and forth by driving the shaft. The screen is swayed in the direction, and sorting is carried out while feeding ridges, ridges, etc. backward, and at the same time, the sorting air from the tang arranged at the bottom of the oscillating body is blown into the oscillating body and below the oscillating body. Wind selection is performed, specific gravity sorting is performed in the chaff part to sort into the first thing, second thing, sawdust, etc. It fell from the drop port for goods and was sorted into the first and second. In addition, a fluid line composed of a plurality of rod-shaped members is arranged behind the Glen pan, and the fluid line is pivotally supported so that the sorting air is introduced while being conveyed from the fluid line to the chaff part. A relatively large second object guided by the wire is conveyed backward using the sorting air.
[0003]
[Problems to be solved by the invention]
However, in the conventional swinging body disposed in the sorting chamber, the fluid line disposed at the rear part of the grain pan is composed of a plurality of rod-shaped members, and the interval between adjacent rod-shaped members is wide, and is guided by the fluid line. The cocoon is relatively large, and the small cocoon falls downward together with the cocoon and is conveyed to the chaff portion by swinging, and is conveyed together with the second object. Therefore, improvement in sorting performance has been desired. Also, in the configuration of swinging the fluid line, a large second thing is put on the sorting wind to make it easy to fly backward, but a small second thing is also blown backward to improve the sorting efficiency. Has been desired. In addition, the opening positions of the first object drop opening and the second object drop opening opened in the lower part of the swinging body are determined, and in the state of the grain of the first thing and the second thing The position to be sorted by the chaff part has changed back and forth, the first thing and the second thing were not completely sorted, the first thing and the second thing were mixed and dropped .
[0004]
[Means for Solving the Problems]
The present invention is configured as follows in order to solve such problems.
In claim 1, the Glen pan that pivotally supports the swinging main body 51 of the sorting device B so as to be swingable in the front-rear direction of the traveling direction, and receives the wrinkles and wrinkles at the front part of the swinging main body 51, the first Glenpan 58 and the second Glen pan 59 are formed in two steps, and a pivot shaft 72 having an axial center in the left-right direction is pivotally supported on the swinging main body 51 at the rear end portion of the first Glen pan 58 forward in the traveling direction. A plurality of sieve lines 70 are arranged side by side in the left-right direction of the pivot shaft 72, the sieve lines 70 protrude in the front-rear direction, and a plate-like sieve board 78 is provided in the front-rear direction between the adjacent left-right sieve lines 70. The end portion of the fluid plate 78 is positioned in front of the rear end position of the second lower part of the second grain pan 59, and the end part of the fluid line 70 is disposed at the rear end part of the second grain pan 59. It extends to the upper part of the start end of the part 55 and is fuller than the fluid line 70. The length of the plate 78 is shortened in the front-rear direction, and an arm 74 is fixed to a pivot shaft 72 that fixes the fluid line 70 and the sieve plate 78, and the end of the arm 74 is fixed to the main body side. It is loosely fitted to the provided guide body 77, and in conjunction with the swinging of the swinging main body 51, the pivot shaft 72, the sieve wire 70 and the sieve plate 78 are swung up and down .
According to a second aspect of the present invention, there is provided the combine sorting apparatus according to the first aspect, wherein a drop port 51c is opened below the chaff portion 55 of the swinging main body 51, and the position before and after the drop port 51c is set at the second position. A gate-shaped stay 60 for fixing a rubber sag 94 to be separated from a watch is provided horizontally, and a movable falling plate 61 slidable back and forth is disposed on the stay 60 .
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The problems to be solved by the present invention and the means for solving the problems are as described above. Next, the configuration of the embodiment shown in the accompanying drawings will be described.
1 is an overall side view of a combine, FIG. 2 is a skeleton diagram showing a power transmission configuration to a sorting device, FIG. 3 is a side sectional view of the sorting device, and FIG. 4 is a partial side view showing an oscillating main body provided with a movable falling plate. FIG. 5 is a side view of the movable falling plate, FIG. 6 is a partial side view of a swinging body in which the fluid guide body of the present invention is disposed, and FIG. 7 is a part of the swinging body in which another type of fluid guide body is disposed. FIG. 8 is a partial plan view of the swinging main body in which the fluid guide body of the present invention is disposed.
[0006]
Referring to FIG. 1, the overall structure of the combine will be described. The body frame 2 is placed on the crawler type traveling device 1, and the reaping device A is arranged at the front end of the body frame 2 so as to be movable up and down. The device A protrudes the weed plate 3 at the front end to weed the cereal, raises the case 4 at the rear, raises the case 4 and causes the cereal to rotate by rotating the tine protruding from the case 4, The stock is cut by the cutting blade 5 disposed at the rear of the grass plate 3 and transported to the rear by the upper transport device, the lower transport device, and the vertical transport device 6, and the stock is fed from the upper end of the vertical transport device 6 to the feed chain. 7, the cereals are transported into the threshing device, and the waste chain conveying device 16 is disposed at the rear end of the feed chain 7, and the waste cutter device 17 disposed below the rear portion of the waste conveying device 16 And cut the waste that has been transported to the field. There. A grain tank 12 for storing the refined grains after sorting is disposed on the side of the threshing apparatus, and an operation unit 19 is disposed on the front of the grain tank 12.
[0007]
As shown in FIG. 3, in the threshing apparatus, a threshing apparatus is formed with a handling chamber in which a handling cylinder 20 having an axial center in the front-rear direction and a dust feeding port processing cylinder 21 are horizontally mounted, and threshing is performed below the handling chamber. A sorting chamber is formed for sorting the cocoons and cocoons. The blades 20a, 20a,... Are planted around the handling cylinder 20 of the handling chamber, and a crimp net 31 is provided around the lower part of the handling cylinder 20 so that only scums and small wastes leak out. It will be sorted out. The dust feed processing cylinder 21 is laid in parallel with the cylinder 20 at the rear side of the cylinder 20 at the rear side of the cylinder 20, and treats the branch leaf adhering grains and the like that could not be processed by the cylinder 20 to the rear. Transported and discharged out of the machine.
[0008]
Next, the drive configuration will be described using the skeleton diagram shown in FIG.
The output shaft 60 protrudes in the left-right direction of the engine E, one end of the output shaft 60 is input to the gear case 259, and power is transmitted from the gear case 259 to the transmission case via a pulley and a belt to drive the traveling device. In addition, the lifting device disposed in the front part of the machine body is raised via the working clutch in the gear case 259 to transmit the power to the cutting device A, and at the same time, the sorting device B and the waste disposal device are driven. The dust supply port processing cylinder 21 and the handling cylinder 20 are driven through pulleys and a belt from an output shaft protruding rearward from the gear case 259.
[0009]
Further, the drive shaft 261 protrudes laterally from the gear case 259, and the end of the drive shaft 261 is input to a power transmission unit disposed on the left side of the machine body, and transmitted rearward through a pulley and a belt. The power is transmitted to the Kara 35 and the first sorting conveyor 22. Further, a second pulley 274 is fitted to the conveyor shaft 273 of the first conveyor 22 in addition to the pulley 269, and a belt is wound around the second pulley 274 so that the second conveyor 23 and the sorting body 51 are wound. Alternatively, the exhaust fan 30 and the exhaust cutter device 17 can be driven, and the power can be transmitted to a bundling device disposed at the rear of the rear body.
In addition, the cereal conveyor 13 is driven on the other side of the first conveyor 22 via a bevel gear, and the straw conveyed by the first conveyor 22 is conveyed to the Glen tank 12 via the cereal conveyor 13. Yes. Further, the reduction conveyor 62 is driven to the other end of the second conveyor 23 via a bevel gear, and the discharge port at the other end of the reduction conveyor 62 is disposed so as to face the front side of the crimp net 31 in the handling room. The second item is reduced and sorted again.
[0010]
On the other hand, from the output shaft 60 protruding to the right side of the engine E, power is transmitted to the discharge conveyor 83 via a pulley, a belt, an interlocking shaft, and a bevel gear, and further, the vertical conveyor 84 and the discharge auger 85 can be driven. The soot stored in the Glen tank 12 can be discharged.
[0011]
As shown in FIG. 3, the sorting chamber is provided with a swinging main body 51, a tang 35, a pre-fan 41, etc., and the threshed straw and straw are separated by specific gravity sorting and wind sorting. And the second item and the waste are sorted out. The oscillating main body 51 is formed by welding a steel material in a box shape to increase rigidity. The front end portion of the swinging main body 51 is disposed below the front end of the handling cylinder 20, and the rear end of the swinging main body 51 extends to the lower rear part of the dust feeding port processing cylinder 21. A swing shaft 52 is provided at the front lower portion of the swing main body 51, and the rear portion is pivotally supported on the crank shaft 53, so that the swing shaft 51 swings by the rotation of the crank shaft 53.
The swinging main body 51 is provided with a first gren pan 58 at the front, and then a second gren pan 59 is arranged with the lower part lowered by one step. A sorting wind inlet 51 a is opened at the front of the second gren pan 59. The rear part of the second Glen pan 59 bulges downward to form a bulged part 51b, and a drop port 51c is opened on the lower surface of the bulged part 51b.
[0012]
The first glen pan 58 and the second gren pan 59 are formed into a corrugated plate shape with resin so as to be easily conveyed backward. The first glen pan 58 and the second gren pan 59 are screwed to the swinging main body 51 using bolts.
[0013]
A guide portion 71 is disposed at the rear of the first grain pan 58 so as to protrude rearward, and then a chaff portion 55 is provided for laterally connecting a plurality of chaff fins 54, 54. is doing. It is covered with a net-like grain sheave 57 from the front part of the drop port 51c at the lower part of the chaff part 55 to the middle part behind it.
Further, a pre-fan 41 is disposed in front of and below the swinging main body 51, and a tang 35 is disposed below the position of the swinging main body 51 in the front-rear direction, from the pre-fan 41 introduced from the sorting air introduction port 51a. The wind passes between the lower surface of the first Glen pan 58 and the upper surface of the second Grepan 59, and the soot conveyed on the chaff portion 55 is selected by the wind. The wind from the Kara 35 passes through the drop port 51c and is blown up as a sorting wind from the chaff portion 55, and the specific gravity sorting by the chaff portion 55 is performed by the swinging of the swinging main body 51 and the sorting wind.
[0014]
Further, the chaff portion 55 is configured to change the angle of the chaff fins 54, 54... Automatically according to the amount of the cereal and the angle of the chaff fins 54. 54. A manual chaff portion 55b that can be changed into a fixed chaff portion 55c and a fixed chaff portion 55c to which the angle of the chaff fins 54, 54... Is fixed. The movable chaff 55 a is formed up to the rear upper side of the grain sheave 57 behind the swinging main body 51. The manual chaff portion 55b is disposed at the upper portion of the drop port 51c that is not covered by the grain sheave 57 behind the movable chaff portion 55a, and the fixed chaff portion 55c is disposed at the front portion of the swinging main body 51.
[0015]
Further, as shown in FIG. 4, open side end portions 60a of a substantially gate-shaped stay 60 are fixedly provided on the left and right side surfaces of the swinging main body 51 at the side position of the rear end portion of the movable chaff portion 55a. A closing surface 60b of the stay 60 is formed in a front-rear and rear-high shape, and an upper portion of the rubber sag 94 is screwed to the front lower part of the closing surface 60b, and a rubber sag 95 is screwed to the rear upper part of the closing surface 60b. Yes. A rubber sag 94 on one side extends on the grain board 28 of the first conveyor 22, and a rubber sag 95 on the other side extends on the grain board 29 of the second conveyor. 96 is suspended and is extended on the grain board 29 of the second conveyor 23, and it falls without spilling.
[0016]
Further, the upper portion of the closing surface 60b formed in the front low and high height of the stay 60 is bent downward to form a contact portion 60c. A fixed nut 65 having a high height is fixed to the upper part of the lower surface of the blocking surface 60b, and the movable flow-down plate 61 is screwed together using the fixed nut 65 so that the mounting position can be changed.
[0017]
The movable flow-down plate 61 is formed in a “U” shape in a side view by a slide plate 62, a connecting plate 63, and a guide plate 64 having a width substantially equal to the left-right width of the swing body 51. The slide plate 62 has a rear upper portion bent upward to form a vertical portion 62a, and a front lower portion bent downward at a slight angle to form a bent portion 62b to maintain the rigidity of the slide plate 62. The connecting plate 63 is bent in an inverted L shape when viewed from the side, one is fixedly provided on the lower surface of the rear portion of the slide plate 62, and the other is inclined so as to be front and rear and low. The guide plate 64 is disposed in parallel with the slide plate 62, the rear upper portion of the guide plate 64 is bent downward and fixed to the lower portion of the connecting plate 63, and the front lower portion of the guide plate 64 is bent downward and the guide plate 64 Stiffness is maintained. A long hole 64a that is long in the front-rear direction is opened in the guide plate 64, and a bolt 66 is passed through the long hole 64a and screwed into the fixing nut 65 described above.
[0018]
Therefore, the slide plate 62 of the movable flow-down plate 61 is arranged on the upper surface side of the closing surface 60b of the stay 60, and the fixing nut 65 is interposed between the slide plate 62 and the guide plate 64, thereby Bolts 66 are inserted from the long holes 64a, screwed into the fixing nuts 65, the long holes 64a of the guide plate 64 are guided by the bolts 66, and the movable falling plate 61 can be slid along the closing surface 60b. When the movable flow-down plate 61 is slid to the end, the vertical portion 62a of the slide plate 62 of the movable flow-down plate 61 can be arranged below the rear end of the movable chaff 55a. The sliding position of the movable flow-down plate 61 can be adjusted according to the amount of soot and the quality of soot.
[0019]
Next, a fluid guide portion 71 that is disposed in the vicinity of the rear side of the first grain pan 58 of the swinging main body 51 and guides a rod or the like will be described with reference to the drawings.
As shown in FIGS. 6 to 8, the fluid guide portion 71 pivotally supports the pivot shaft 72 on the side plate at the rear position of the first grain pan 58 of the swinging main body 51, and is mounted on the pivot shaft 72 between the side plates. A plurality of full lines 70, 70. The pivot shaft 72 is disposed above a middle part in the front-rear direction of the second gren pan 59, and the front part of the second gren pan 59 wraps around the rear part of the first gren pan 58 in a side view.
[0020]
Further, the fluid guide portion 71 is configured to swing. That is, as shown in FIGS. 6 and 7, an arm 74 is fixed to one end portion of the pivot shaft 72 pivotally supported at the rear position of the Glen pan 58 of the swing body 51, and the front end of the arm 74 is fixed. The portion extends to a position in the vicinity of the sorting air introduction port 51a, and the swing shaft 75 projects from the front side surface of the arm 74 to the side. On the other hand, an arc-shaped long hole 79 is opened on the side surface of the swinging main body 51 in the vicinity of the sorting air introduction port 51a, and the swinging shaft 75 passes through the long hole 79, and the swinging shaft A guide roller 76 is fitted to the end portion of 75. The guide roller 76 is fitted inside a U-shaped guide body 77 that is fixed to a side plate on the main body (machine body) side that covers the side of the swinging main body 51.
[0021]
Further, the left and right ends of the pivot shaft 72 that pivotally supports the front portion of the swinging main body 51 are fitted to a guide body 77 fixed to the side plate on the main body side. The guide roller 76 is guided by the guide bodies 77 and 77 to move back and forth, the arm 74 is rotated by changing the positions of the pivot shaft 72 and the guide roller 76, and the fluid guide portion 71 is also rotated simultaneously. Thus, the fluid guide portion 71 is motivated by the swinging of the swinging main body 51, swings independently of the swinging of the swinging main body 51, and swings while squirting ridges, wrinkles, etc. dropped on the chaff portion 55. Transport.
[0022]
Further, the pivot shaft 72 is provided with rod-like bodies 70, 70, etc., which are long in the front-rear direction, and plate-like sieve plates 78, 78, etc., which are long in the front-rear direction, at regular intervals in the left-right direction. It is arranged. Are connected to the base portion of the pivot shaft 72 and connected to the upper portion of the pivot shaft 72. ..Fixed base. Are connected to the base of a plurality of plate-like sieve plates 78, 78... Further, as shown in the plan view of FIG. 8, the fluid plate 78 is a plate having a lateral width wider than that of the fluid line 70, and is disposed at a position between the left and right fluid lines 70. ing.
[0023]
Further, the rear end portion of the fluid line 70 is disposed above the rear end portion of the second gren pan 59 and extends to a position near the front portion of the chaff portion 55 as seen in a side view shown in FIG. The rear end portion of the sieve plate 78 extends to the front position from the rear end portion of the second gren pan 59, and the length of the sieve plate 78 is shorter than that of the sieve line 70.
[0024]
In this way, the rear portion of the sieve wire 70 is formed longer than the sieve plate 78, and the kite conveyed backward gradually falls from between the sieve wire 70 and the sieve plate 78, and the kite etc. having a large shape The fine wrinkles that are conveyed to the rear of the sieve line 70 while being caught by the actuator 70 and are not caught by the sieve line 70 are guided along the sieve board 78 to the rear end of the sieve board 78. A large amount of the sorting air introduced from the sorting air inlet 51a is blown out at the rear end portion of the fluid line 70 at the rear positions of the fluid lines 70, 70,. It is possible to transport the cage guided by the rear part of the sieve lines 70, 70 ... and the sieve plates 78, 78 ... backwards, and by transporting fine cages backward, The chaff unit 55 can increase the efficiency of specific gravity sorting and improve the sorting performance. The length of the fluid line 70 is not limited as long as the rear end portion of the fluid line 70 is longer than the sieve plate 78, and as shown in FIG. It can also be formed.
[0025]
【The invention's effect】
Since it comprised as mentioned above, this invention has the following effects.
As described in claim 1 , the swing pan 51 of the sorting device B is pivotally supported so as to be swingable in the front-rear direction of the traveling direction, and A pivot shaft 72 that is formed in two steps in the shape of a step of one grain pan 58 and a second grain pan 59 and has an axial center in the left-right direction at the rear end of the first grain pan 58 in the forward direction of travel is pivotally supported on the swing body 51. and, arranged side by side a plurality of sieve line 70 to the left and right direction of該枢shaft 72 projects the sieve wire 70 in the longitudinal direction, the plate-shaped at a position between the adjacent right and left sieve line 70 sieve plate 78 Are arranged in the front-rear direction, and the end portion of the fluid plate 78 is positioned in front of the rear end position of the second lower left grain pan 59, and the rear end portion of the fluid line 70 is located at the rear end portion of the second grain pan 59. Extend to the top of the starting end of the chaff 55 to be placed and The arm plate 74 is fixed to the pivot shaft 72 for fixing the fluid wire 70 and the fluid plate 78, and the end of the arm 74 is directed to the main body side. Since the pivot shaft 72, the fluid line 70, and the fluid plate 78 are swung up and down in conjunction with the swinging of the swinging main body 51 , the following effect is obtained. It is what you play.
The grain pan at the front part of the swinging body is formed in two steps, and the rear part of the first grain pan is alternately arranged with a sieve wire and a sieve guide plate. Gradually falling from the middle, large ridges etc. are caught behind the sieve line and conveyed to the back of the sieve line, fine ridges not caught by the sieve line are guided to the rear end of the sieve board, A large amount of sorting air introduced into the swinging body is blown out at the rear end of the fluid line and the fluid plate. From this position, the kite guided by the fluid line and the fluid plate is conveyed backward. By transporting fine ridges backward as well, no cocoon is mixed in the most thing, and the efficiency of specific gravity sorting is increased by the chaff part, and the sorting performance can be improved.
[0026]
In addition, when the end of the sieve plate extends forward from the rear end of the second gren pan, and when the soot is mixed with the fine soot that is transported by the sieve plate, if the soot falls in the case of the soot In addition, if it falls directly to the chaff part, it is thrown into the first conveyor without being sorted by specific gravity at the chaff part, and there is a risk that the first thing will be mixed with wrinkles inside, but on the second gren pan at one end By dropping it, there is no momentum to drop, and by guiding it to the chaff part according to the swing of the swinging main body, it is possible to sort the scab contained in the sledge by specific gravity by the chaff part and improve the sorting performance be able to.
[0027]
In addition, by extending the end portion of the fluid line to the upper portion of the chaff portion starting end portion for performing the specific gravity selection that is arranged at the rear end portion of the second gren pan, the length guided backward by the fluid line becomes longer, and the fluctuation is increased. The range for receiving the sorting air introduced into the moving body can be lengthened, and it can be conveyed rearward by the sorting air until it is guided to the end of the fluid line, so that the sorting performance can be improved.
[0028]
In addition, the flue line and the flute plate can be swung independently of the swinging of the swinging body in conjunction with the swinging drive of the swinging body, and the swinging motion between the fluid line and the screen is increased. Thus, the eaves guided rearward by the sieve wire and the sieve plate can be easily lifted, and the sorting efficiency can be further improved by the sorting wind.
[0029]
According to a second aspect of the present invention, a drop port 51c is opened below the chaff portion 55 of the swinging main body 51, and a rubber sag 94 is fixedly provided to partition the front and rear halfway position of the drop port 51c into a first object and a second object. Since the movable flow-down plate 61 that is slidable back and forth is disposed on the stay 60, the gate-type stay 60 is arranged in accordance with the specific gravity of the straw due to the amount of straw and the variety of rice. Corresponding to the fact that the end position for dropping the first thing in the specific gravity sorting by the chaff part changes back and forth, the amount of the first thing mixed in the second conveyor is reduced by sliding the movable falling plate, Sorting performance can be improved.
[Brief description of the drawings]
FIG. 1 is an overall side view of a combine.
FIG. 2 is a skeleton diagram showing a configuration of power transmission to a sorting device.
FIG. 3 is a side sectional view of a sorting device.
FIG. 4 is a partial side view showing a rocking body on which a movable falling plate is disposed.
FIG. 5 is a side view of a movable falling plate.
FIG. 6 is a partial side view of a swinging main body on which a fluid guide body of the present invention is disposed.
FIG. 7 is a partial side view of a swinging body in which another type of fluid guide body is disposed.
FIG. 8 is a partial plan view and a partial cross-sectional view of a swinging main body on which the fluid guide body of the present invention is disposed.
[Explanation of symbols]
B Sorting Device 51 Oscillating Body 51c Drop Port 55 Chaff Part 58 First Glen Pan 59 Second Glen Pan 60 Stay 61 Movable Falling Plate 72 Pivot Shaft 70 Fluid Wire 74 Arm 78 Fluid Plate 94 Rubber Dripping 95 Rubber Dripping

Claims (2)

The first and second grain pans 58 and 59 are provided with a Glen pan that pivotally supports the swinging main body 51 of the sorting device B so as to be swingable in the front-rear direction of the traveling direction, and receives scissors and wrinkles at the front of the swinging main body 51. The pivot shaft 72 is pivotally supported on the oscillating body 51 at the rear end of the first gren pan 58 in the front of the traveling direction. A plurality of sieve lines 70 are arranged side by side in the left-right direction, the sieve lines 70 project in the front-rear direction, and a plate-like sieve board 78 is arranged in the front-rear direction between the adjacent left-right sieve lines 70. The end portion of the plate 78 is positioned in front of the rear end position of the second lower part of the second grain pan 59, and the end part of the fluid line 70 is arranged at the start end part of the chaff part 55 arranged at the rear end part of the second grain pan 59. Extend to the top, and move the front of the sieve plate 78 from the sieve wire 70. An arm 74 is fixed to a pivot shaft 72 that has a shorter length and the fluid line 70 and the fluid plate 78 are fixed, and an end portion of the arm 74 is fixed to a guide body 77 that is fixed to the main body side. A combine sorting device characterized by being fitted and swinging the pivot shaft 72, the fluid line 70 and the fluid plate 78 up and down in conjunction with the swinging of the swinging main body 51 . 2. The combine sorting apparatus according to claim 1, wherein a drop port 51c is opened below the chaff portion 55 of the swinging main body 51, and a position in the middle of the front and rear of the drop port 51c is divided into a first item and a second item. A combine sorting apparatus characterized in that a gate-type stay 60 to which a drip 94 is fixed is provided horizontally, and a movable flow-down plate 61 slidable back and forth is disposed on the stay 60 .

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