JPH1175505A - Thresher for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thresher for a combine harvester capable of facilitating delivery of grain culms and improving selection efficiency without being obstructed by grain with rachis-branch, by forming a feed opening at the rear side part of a threshing cylinder, arranging a guide body at the upper part of the feed opening and covering the upper part of the feed opening. SOLUTION: A reaping part is arranged at the front part of a machine body and a threshing cylinder 20 and a treating barrel 21 of dust sending hole horizontally suspended in parallel with the threshing cylinder 20 are installed at the side part of the machine body. A feed opening 298 is formed at the rear side part of the threshing cylinder 20 and a guide body 291 is laid above the feed opening 298 to cover the top of the feed opening. The guide body 291 is bent in a dogleg shape in a rear view. Preferably the lower part of the guide body is inclined toward the treating barrel 21 of dust sending hole. Preferably the comb-like guide body 291 is fixed to the upper part of the feed opening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for preventing a branch attached to a branch and the like once introduced from a handling cylinder into a dust outlet processing cylinder from returning to a handling room.

[0002]

2. Description of the Related Art Conventionally, grain stalks that have been cut by a cutting unit are inherited by a feed chain, the tip side is guided into a handling room of a threshing device, threshing is performed by a handling cylinder. Grains, etc. that have leaked from the crimping net installed on the rocking sorter and that could not be processed by the handling cylinder, enter the dust outlet processing cylinder from the input port opened on the rear side of the crimping net. Had been transported. This processed material was sorted into grains, straw chips, and the like while being conveyed backward by the dust outlet processing cylinder.

[0003]

However, the inlet to the conventional dust-sending port processing cylinder is opened from the handling cylinder side to the dust-sending port processing cylinder side, and the grain that cannot be completely processed by the handling cylinder is processed. Etc. were introduced into the dust outlet processing cylinder from the input port, but at the front of the dust outlet processing cylinder, paddy and straw debris wrapped around the outer periphery In some cases, it was returned to the handling cylinder side again. For this reason, at the end position of the handling cylinder, the amount of grains and the like may increase and clogging may occur.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a reaping section at the front of the body, a handle cylinder at the side of the body, and a horizontal support parallel to the handle cylinder. In a combine provided with a threshing device having a dust outlet processing cylinder to be provided, an input port is formed on a rear side portion of the handling cylinder, a guide body is provided on an upper portion of the input port, and an upper portion of the input port is covered. I have. Further, the guide body is bent in a "-" shape when viewed from the rear, and the lower portion of the guide body is arranged to be inclined to the dust outlet processing cylinder. Further, a comb-shaped guide body is fixedly provided above the inlet.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problem to be solved by the present invention and the means for solving it are as described above. Next, the configuration of the embodiment shown in the attached drawings will be described. 1 is an overall side view of the combine, FIG. 2 is a perspective view showing a threshing sorter, FIG. 3 is a skeleton diagram showing a power transmission configuration to the threshing sorter, FIG. 4 is a front view of the threshing sorter, and FIG. Rear view of the apparatus, FIG. 6 is a partial sectional view of a side view of a handling room of the threshing / sorting apparatus, FIG. 7 is a plan view, partly sectional view of a handling chamber of the threshing / sorting apparatus, and FIG. FIG. 9 is a side view of the same guide body, and FIG. 10 is a side view of another form of guide body disposed at the input port of FIG.

Referring to FIG. 1, the entire structure of the combine will be described. The body frame 2 is mounted on the crawler type traveling apparatus 1, and the raising / rearing device 8 is arranged at the front end of the body frame 2 so as to be able to move up and down. The cutting and reaping device 8 projects the weeding board 3 at the front end to sown the culm, and raises the stalk to the rear to raise the case 4.
The raising of the tine raises the grain stem by the rotation of the tine protruding from the case 4, and cuts the root of the plant with the cutting blade 5 disposed at the rear of the weeding board 3, and the upper transport device, the lower transport device, It is transported to the rear by the vertical transport device 6, and the vertical transport device 6
The feedstock is passed from the upper end of the feed chain 7 to the feed chain 7 and conveys the culm into the threshing device. The provided straw cutter device 17 cuts the delivered straw and discharges it to the field. On the side of the threshing device, a Glen tank 12 for storing the sorted fine granules is provided, and in front of the Glen tank 12, an operation unit 19 is provided.

As shown in FIG. 2, the threshing apparatus 9 has a handling cylinder 20 and a dust outlet processing cylinder 21 laid horizontally with the axis thereof in the handling room, and a sorting chamber is formed below the threshing apparatus 9. Have been. The cutting blades 27 are planted around the handling cylinder 20 of the handling room, and the crimping net 31 is provided around the lower portion of the handling cylinder 20 so that only the chaff or small straw chips etc. leaks out, and in the sorting room. I am trying to be sorted out. The dust port processing cylinder 21 is
0, which is laid horizontally on the side of the Glen tank 12 on the rear side in parallel with the handling cylinder 20, and the particles attached to the branch stalk which could not be processed by the handling cylinder 20 are flowed to the dust outlet processing cylinder 21 to be processed. It is transported backward and discharged outside the machine.

Next, the driving configuration will be described with reference to the skeleton diagrams shown in FIGS. Output shaft 6 of the engine 11
0 to the left and right, input one end of the output shaft 60 to the gear case 259, transmit power from the gear case 259 to the transmission case via pulleys and belts, and drive the traveling device. 259, a raising and reaping device 8 disposed at the front of the fuselage via a work clutch.
, And at the same time, drives the threshing device 9, the straw processing device, and the like. Dust port processing cylinder 2 from an output shaft projecting rearward from the gear case 259 via a pulley and a belt.
1 and the handling cylinder 20 are driven.

A drive shaft 261 protrudes laterally from the gear case 259, and an end of the drive shaft 261 is input to a power transmission unit arranged on the left side of the body, and is pulled rearward via a pulley and a belt. Tell me, Pre-Fan 41, Karino 35,
The power is transmitted to the first sorting conveyor 22. Further, a second pulley 274 is fitted on the conveyor shaft of the first conveyor 22 separately from the pulley 269, and a belt is wound around the second pulley 274, and the second conveyor 23, the sorting body 51, It is also possible to drive the exhaust fan 30 and the straw cutter device 17 for discharging, and to transmit power to a binding device disposed further rearward in the rear part of the fuselage. In addition, a fry conveyor 13 is driven to the other side of the first conveyor 22 via a bevel gear.
Is transported to the Glen tank 12 through the fry conveyor 13. A reduction conveyor 62 is connected 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 arranged so as to face the front side of the crimping net 31 of the swinging sorting device 10 so that the second product is reduced and sorting is performed again. .

On the other hand, power can be transmitted from the output shaft 60 projecting to the right side of the engine 11 to the discharge conveyor 63 via pulleys, belts, interlocking shafts and bevel gears, and the vertical conveyor 64 and the discharge auger 65 can be driven. As a configuration, the paddy stored in the Glen tank 12 can be discharged.

Next, the support structure of the handling drum 20 in the handling room will be described with reference to FIGS. The handling cylinder 20 is
The drive shaft 136 of the handling drum 20 is pivotally supported by the upper part of the support 180 standing upright from the front of the sorting chamber and the support 183 standing up and down in the middle of the handling chamber. The support 180
An opening 184 is formed below the upper part so that the left side (feed chain 7 side) is opened so that the cereal stem can pass through. A mesh frame (not shown) is bridged in the front-rear direction between the lower portions of the front and rear supports 180 and 183, and the crimp net 31 is fixed thereon, and the lower half of the handling cylinder 20 is covered. The spike side of the grain stem is transported between the handling drum 20 and the crimp net 31 by the chain 7.

Further, the side of the handle cylinder 20 (the side on the side of the Glen tank 12) is covered by a side cover (not shown), and the upper part of the handle cylinder 20 is covered by a handle chamber cover 182. ing.

As shown in FIGS. 4 to 7, a supply plate 185 is fixed to the support 180 having the opening 184 formed thereon, and the supply plate 185 is projected forward along the lower surface of the opening 184. ing. Further, in front of the supply plate 185,
A rubber guide plate 186 is provided. The guide plate 186 and the supply plate 185 guide the middle portion of the grain stem toward the opening 18 which is the input port of the threshing device 9.

An upper cover 280 is fixedly provided on the upper surface of the support 180. A drive case is provided in the upper cover 280, the drive shaft 136 is driven via the drive case, and the handling drum 20 is rotated. The upper portion of the upper cover 280 projects further upward than the upper end of the support 180, and the handling chamber cover 182 is pivotably supported between the upper portion of the upper cover 280 and the upper portion of the support 183. . Further, an inclined portion 281 is formed at a lower portion in front of the upper cover 280, and a rear end of the inclined portion 281 extends to an upper portion of the opening 184.

An opening 184 at the front of the support 180 is provided.
A side cover 285 is fixedly provided on the right side in the traveling direction. Inside the side cover 285, the support 1
A reinforcing member (not shown) that reinforces the support 80 is fixed to the support 18.
The rigidity is increased by enlarging the cross-sectional shape of the zero side.

The right side of the upper cover 280 in the traveling direction extends to the side of the Glen tank 12. An inclined plate 225 is fixed to a lower right portion of the front surface of the upper cover 280. The inclined plate 2
As shown in FIG. 6, reference numeral 25 is arranged in a slanting manner at the front low and the rear high, and the upper part of the inclined plate 225 is fixed to the lower right part of the upper cover 280.

A tip guide plate 190 is fixedly provided on the left side of the inclined plate 225. The tip guide plate 190 bends an appropriate position of the plate member and guides the tip of the grain stem to the opening 184 formed in the support 180. The tip guide plate 190 has a fixed plate 191 formed on the right side in the traveling direction.
1 is screwed to the left side of the inclined plate 225. A rectangular upper guide plate 192 is formed on the left side of the fixed plate 191, and a lower guide plate 193 is provided below the upper guide plate 192.
Are formed, and a rear guide plate 194 is formed further rearward than the rear side of the lower guide plate 193.

That is, the upper side of the upper guide plate 192 extends to the rear left along the inclined portion 281. The rear side of the upper guide plate 192 is formed along the front surface of the side cover 285 as seen in a plan view of FIG. 7, and the left end of the rear side of the upper guide plate 192 is extended to the left side surface of the side cover 285. I have. Therefore, the upper guide plate 192 is disposed so as to be inclined such that the rear part is directed inward (left side) from the front part.

The lower guide plate 193 extends downward from the front and rear ends of the upper guide plate 192, and the rear part of the lower side of the lower guide plate 193 is in contact with the upper surface of the supply plate 185. The lower guide plate 193 has a front portion extending rightward and a rear portion extending down to the left side surface of the side cover 285. Also, the rear guide plate 194 is
It is formed in a substantially triangular shape in side view, and is in contact with the side surface of the side cover 285 so as to be engageable.

With such a configuration, the length of the grain stalks cut by the reaper 8 is not uniform, or the position of the stalks held by the feed chain 7 is different, and the ears of the stalks are moved to the Glen tank 12 side. When transported in a state of protruding long, at the transfer position from the reaper 8 to the handling room of the threshing device 9, the tip is transported in a state of protruding rightward from the opening 184. In this case, as the spike comes into contact with the spike guide plate 190 and is conveyed backward, the opening 1
Guided within 84. Therefore, there is no possibility that the grain stem is brought into contact with the side cover 285 and shed. Further, the spike tip does not catch on the side cover 285 or the cereal stem does not bend at that portion, so that it can be transported into the threshing device 9 while maintaining a normal posture. This tip guide plate 19
With 0, grain stalks with irregular heads can be smoothly transported into the handling room.

Next, the support 183 for supporting the rear portion of the crimping net 31 in the handling room will be described. The crimping net 3
The rear portion of the mesh frame for mounting the first frame 1 is fixed to the support 183. As shown in FIG. 9, a substantially circular fixed plate 295 is formed at the lower portion of the front surface of the support 183, and the rear portion of the net frame is placed on the fixed plate 295. Further, the support 1
A rear cover 296 that covers the rear portion of the handling cylinder 20 is formed on the upper right side of the front surface of the front surface 83. The lower part of the rear cover 296 is opened below. Further, as shown in FIG. 8, an inclined guide surface 297 is formed on the lower right side of the rear cover 296.

A front portion of the dust outlet 21 is supported on the right side below the rear cover 296. As shown in the side view of FIG. 9, the dust outlet processing cylinder 21 is disposed so as to overlap with the lower part of the handling cylinder 20, and the rear end of the handling cylinder 20 extends to the rear part of the support 183. Further, as shown in FIGS. 8 and 9, a helical screw 230 is wound around the outer peripheral surface of the dust outlet processing cylinder 21. The lower part of the outer peripheral surface of the dust outlet processing cylinder 21 is covered by an arc-shaped crimp net 212, and the upper part of the outer peripheral surface of the dust outlet processing cylinder 21 is covered by an arc-shaped upper processing cylinder cover 231. Furthermore,
The front part of the upper processing drum cover 231 is, as shown in the figure,
The front cover 231 is located on the upper side of the inclined guide surface 297 of the rear cover 296, and the front of the upper processing drum cover 231 and the crimp net 21
2 The left end is open. The opening is located on the side of the opening position below the rear cover 296, and the open space between the lower portion of the rear cover 296 and the left end of the crimping net 212 is moved from the handling cylinder 20 into the dust outlet processing cylinder 21. Dust port 298 which is an input port of

Further, a discharge guide plate 290 is disposed between the rear side of the crimping net 31 and the lower part of the dust outlet 298, so that the spike sticking particles and the like that cannot be processed by the handling cylinder 20 are removed.
The dust is fed into the dust processing cylinder 21 through the dust feeding port 298 along the discharge guide plate 290.

The spike sticking particles and the like put in the dust port processing cylinder 21 are rotated by the screw 230 of the dust port processing cylinder 21 and the crimp net 212 and the upper processing cylinder cover 231 are rotated.
Flows along the inner peripheral surface of the stalk to process the attached particles of the branch streak. In the present invention, a guide body 291 is provided above the dust outlet 298 so that the particles attached to the branch canes are not returned to the handling cylinder 20 side again in front of the dust outlet processing cylinder 21. .

As shown in FIG. 8, the guide body 291 is a plate bent in a "-" shape when viewed from the rear. As shown in FIG. It is formed in accordance with the total length of. The upper side of the guide body 291 is fixed to the lower part of the inclined guide surface 297, and the lower end of the lower side of the guide body 291 is directed rightward from below vertically, and the extension of the lower side of the guide body 291 is changed to the left end of the crimp net 212. It is more directed to the dust outlet processing cylinder 21 side.

Accordingly, the attached particles of branch spikes and the like introduced into the dust outlet processing cylinder 21 from the lower part of the dust outlet 298 are moved upward by the crimping net 212 according to the rotation of the screw 230 of the dust outlet processing cylinder 21. It is sent along the inner peripheral surface with the processing drum cover 231. Then, in the front part of the dust outlet processing cylinder 21, the particles attached to the branch and the like are conveyed upward along the inner peripheral surface of the upper processing cylinder cover 231, and the inclined guide surface 2 of the rear cover 296.
It is conveyed to the lower left along 97. The spike sticking particles and the like conveyed to the lower left are brought into contact with the guide body 291 and the conveying direction is slightly rightward from the vertically lower part (the dust outlet processing cylinder 2).
1) and dropped onto the crimping net 212. Accordingly, the particles attached to the branch and the like flowing on the outer peripheral surface of the dust outlet processing cylinder 21 are not returned to the handling cylinder 20 side from the dust outlet 298.

As another form of the guide member 291 ', as shown in FIG. 10, a comb-shaped portion 292 in which the lower portion of the guide member 291' protruding downward from the lower end of the rear cover 296 is formed in a comb shape may be formed. it can. Accordingly, the branch attached particles and the like conveyed upward due to the rotation of the dust port processing cylinder 21 are conveyed to the lower left along the inclined guide surface 297. When the branches attached to the lower limb or the like conveyed to the lower left is brought into contact with the comb-shaped portion 292, only the kernels are handled.
, And only the second and straw wastes are dropped to the dust outlet processing cylinder 21 side. Therefore, a sorting effect can be provided by the guide body 291 ′.

The lower part of the guide body 291 'is constituted by projecting a plurality of rods downward, so that the guide body 2
91 'can also have a sorting effect. Further, the guide body 291 may be a linear plate body, and the guide body 291 may be fixed to the lower end of the rear cover 296 without being fixed to the inclined guide surface 297.

[0029]

As described above, the present invention has the following effects. That is, as described in claim 1, by providing the guide body in the upper part of the inlet, the spike sticking particles and the like that could not be processed by the handling cylinder are thrown into the dust outlet processing cylinder from the lower part of the inlet, The attached branch or the like particles input into the dust outlet processing cylinder flow according to the rotation of the dust outlet processing cylinder, and at the front portion of the dust outlet processing cylinder, the attached branch or the like heads toward the input port. Although it is transported,
The transport direction is not returned to the handling cylinder side from the loading port by abutting on the guide body, and the flow of the particles attached to the branch stem from the handling cylinder side to the loading port is not obstructed. The flow of the particles attached to the branch stalks from the shell became smooth, and the transfer from the handling cylinder to the dust outlet processing cylinder became easy.

Further, as described in the second aspect, the guide body is bent in the shape of a letter "K" at the upper part of the inlet, and the lower part of the guide body is arranged to be inclined with respect to the dust outlet processing cylinder. The attached branch particles attached to the dust port processing cylinder, and the like, attached to the guide port, make a round and move toward the input port, and are directed toward the dust port processing cylinder side from the input port side. . Accordingly, the branch attached particles and the like flowing on the outer peripheral surface of the dust outlet processing cylinder are not returned from the input port to the handling cylinder side, and the flow of the branch stem attached particles and the like on the handling cylinder side from the input port becomes smooth, It is configured so that it can be easily transferred from the handling cylinder to the dust outlet processing cylinder.

In addition, the lower part of the guide body is formed in a comb shape on the upper part of the input port, so that the front end of the processing body of the dust discharge port makes a round from the upper part of the processing body of the dust discharge port to branch off. When the adhered particles and the like move toward the input port, they come into contact with the guide body formed in a comb shape, and only the kernel returns to the handling cylinder side from the gap formed in the comb shape, and the attached particles and straw chips etc. Flow to the mouth processing body side,
Sorting efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a perspective view showing a threshing sorting device.

FIG. 3 is a skeleton diagram showing a power transmission configuration to a threshing and sorting apparatus.

FIG. 4 is a front view of the threshing / sorting apparatus.

FIG. 5 is a rear view of the threshing and sorting device.

FIG. 6 is a side view and a partial cross-sectional view of a handling room of the threshing / sorting apparatus.

FIG. 7 is a plan view, partly in section, of a handling room of the threshing / sorting apparatus.

FIG. 8 is a rear cross-sectional view of a guide body disposed at an input port of the dust port processing cylinder of the present invention.

FIG. 9 is a side view of the guide body.

FIG. 10 is a side view of another type of guide body.

[Explanation of symbols]

 Reference Signs List 8 Cutting unit 9 Threshing device 20 Handling cylinder 21 Dust port processing cylinder 291 Guide body 298 Dust port

Claims (3)

[Claims] 1. A combine having a mowing part disposed in a front part of a fuselage, a threshing device having a handle cylinder on a side of the fuselage, and a dust outlet processing cylinder laterally parallel to the handle cylinder. A combine threshing apparatus characterized in that an input port is formed on a rear side portion of the handling cylinder, a guide body is provided above the input port, and an upper portion of the input port is covered. 2. The guide body according to claim 1, which is viewed from the rear.
A threshing device for a combine, wherein the lower portion of the guide body is bent in a shape of a letter and arranged to be inclined with respect to a dust outlet processing cylinder. 3. A combine having a mowing part disposed at a front part of a fuselage, a threshing device having a handling cylinder on a side of the fuselage, and a dust outlet processing cylinder horizontally laid in parallel with the handling cylinder. A combine threshing apparatus characterized in that an input port is formed on the rear side of the handling cylinder, and a comb-shaped guide body is fixed above the input port.