JP3111140B2 - Threshing culm processing unit structure of combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing unit for threshing by supplying the entire cut culm to a handling room, cutting the threshed culm from the threshing unit and dropping the cut culm to the rear of the machine. Equipped with a threshing and culm cutting device that discharges to the cutting culm, and a plurality of release guide plates for guiding the direction of release of the culm to be released are provided in the cutting culm discharge port of the threshing and culm cutting device in a dispersed manner in the lateral direction of the machine body. The present invention relates to the structure of the threshing culm processing section of a combined combine.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, there has been a combine which can change the position of a discharge guide plate 27. In other words, when the posture of the discharge guide plate 27 is switched, whether all the discharge guide plates 27 are in a parallel and rearward posture as shown in FIG.
As shown in FIG. 8B, all the ejection guide plates 27 were parallel and inclined obliquely rearward. In other words, the posture has been switched between a posture for guiding the cut culm to fall immediately behind the fuselage and a posture for guiding the cut culm to fall obliquely rearward. And no matter which posture you switch to,
The cut culm falls on the field in a range W in the lateral direction of the machine which is almost equal.

[0003]

Conventionally, even if the position where the cutting culm falls in the field changes to a position immediately after the traveling machine body and a position obliquely rearward by changing the posture of the discharge guide plate, the cutting culm does not change. Was to fall into a substantially constant lateral range of the fuselage determined by the outlet width of the threshing culm cutting device, and the fall range did not change much. For this reason, if the discharge opening width of the threshing culm cutting device is relatively narrow, the cut culm falls into the field in a relatively narrow width range, and the place where the cut culm falls and the place where the cut culm does not fall as a whole field Will exist. As a result, when plowing the cut culm discharged into the field while plowing the cut culm, there were portions where the cut culm was mixed and portions where the cut culm was not mixed. Conversely, if the outlet width of the threshing waste culm cutting device is relatively wide, the cut culm falls into the field over a relatively wide width range, and the cut culm falls over a wide range as a whole field. . As a result, when the falling cut culm is used for baking, for feeding, etc., it is necessary to perform an ignition operation and a collection operation over a wide range, resulting in poor work efficiency. An object of the present invention is to efficiently ignite and collect cut culms so that the cut culms can be present without leakage over the entire field, regardless of the size of the outlet of the threshing culm cutting device. Another object of the present invention is to make the switching as simple as possible.

[0004]

Means for Solving the Problems In the structure of the threshing and culm processing section of a combine according to the present invention, in order to achieve the object,
In those noted at the outset, it is attached a plurality of discharge guide plates attitude switching freely, said discharge guide
One posture switching device for the board is necessary for changing the culm release
Release of the plurality of sheets as the operation stroke moves
The guide plate swings at a different angle for each release guide plate, and by operating one posture switching device for the release guide plate, all the guide plate intervals are narrowed toward the lower side in the cutting culm flow direction and cut. A collection release posture that narrows the discharge range of the culm in the lateral direction of the fuselage, and a diffuse release posture that widens the release range of the cut culm in the lateral direction of the fuselage by increasing the distance between all the guide plates toward the lower side of the cutting culm flow direction. Preferably, the plurality of release guide plates and the attitude switching device are interlocked in a state where the plurality of release guide plates are switched.

[0005]

[Action] By operating one of the switching operation member, accompanied to this
That multiple release guide plates swing at different angles
As a result, the plurality of release guide plates are interlocked to be in the collection and release position or in the diffused release position. The release guide plate in the collecting and discharging posture guides the cut culm so that it is released in a unity lateral direction because the guide plate interval is narrower on the lower side in the cutting culm flow direction, and the cut culm is in a row. For example, it is possible to collectively and partially fall when viewed from the whole field, such as falling. The release guide plate in the diffused release position guides the cut culm so that it is diffused and released in the lateral direction of the machine because the guide plate interval is wider toward the cutting culm flow direction lower side. It is possible to spread and fall over a wide area as seen from the entire field, such as falling over the entire surface.

[0006]

According to the present invention, the cut culm is switched so as to spread and drop in the lateral direction of the fuselage, or to fall together in the lateral direction of the fuselage. In the field, the cut culm was released so that the whole field would fall together as a part, so that it could be efficiently ignited and collected at a time when it was later burned or used as feed. Furthermore, even if the outlet width of the threshing culm cutting device is narrow, the culm is released in such a way that the culm is dispersed over a wide area and falls so that the culm can be cultivated while plowing later. It was possible to plow as much as possible without leaking. In addition, a plurality of release guide plates move as one posture switching device moves.
Therefore, even if the plurality of ejection guide plates are configured to be individually fixed to the predetermined ejection postures switched by the operation of the posture switching device, since the plurality of ejection guide plates are interlocked so as to swing at different angles , In comparison with the case where a plurality of release guide plates are individually switched to a predetermined release position which differs depending on the guide plate, the posture adjustment for switching the plurality of release guide plates to the predetermined release position is performed by operating only one position switching tool. The operation can be easily performed, and thus, the operation can be easily switched so that the operation can be easily performed.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a mowing part (not shown)
The whole of the harvested culm such as rice or wheat is supplied to the handling room 2 by the conveyor 1 and threshing is carried out while being transported to the rear of the machine by the handling cylinder 4 rotating around the axis 3 in the longitudinal direction of the machine. A rocking sorting device 7 that constitutes a threshing unit 5 and acts on a threshing process that is dropped and supplied from the handling chamber 2 through a concave 6, and supplies a sorting wind 8 in the direction of the rotation axis of the handling drum 8.
A screw conveyor configured to provide a sorting unit below the threshing unit 5 and configured to discharge dust to the outside of the machine from the dust outlet 9 together with the sorting wind, and to convey the first processed material from the sorting unit to the outside of the machine. A screw conveyor 11 for reducing the 10th and 2nd processed materials to the handling room 2 is provided at the bottom of the sorting unit, and the threshing and culm dropped and supplied from the dust outlet 12 of the handling room 2 is cut by the threshing and culm cutting device 20. The threshing and culm processing section configured to discharge the husk to the outside of the machine is connected to the rear of the threshing section 5 to constitute a combine threshing apparatus.

The threshing and culm cutting device 20 is constructed as shown in FIGS. 1 and 2. Rear wall 13 of threshing device
The cutter 22 is attached to the inside of the frame 21 connected to the main body so as to rotate and drive in the F direction around the axis X in the lateral direction of the machine body, and is disposed below the cutter 22 so as to be parallel to the direction of the cutter rotation axis. Multiple receiving blades 23
Is fixed. With the chute 24 extending from the bottom plate 21 a of the frame 21, threshing waste culms dropped and discharged from the dust outlet 12 of the handling room 2 are introduced into the frame 21,
The cutting blade 22a in which the threshing culm that has entered the frame is lined up by the cutter 22 in the circumferential direction and the rotation axis direction thereof.
Then, the cutting blade 22a and the receiving blade 23 cut the culm into a cut culm. The cut culm is released from the frame 21 by the release action of the rotation of the cutter 22.
It is discharged to the rear of the traveling machine so as to fall into the field from the cut culm discharge port 25 located at the rear of the vehicle. Cut culm outlet 2
In 5, the plurality of release guide plates 26 to 29 dispersed in the lateral direction of the body guide the release direction of the cut culm.

As shown in FIGS. 2 to 5, the discharge guide plate 2
The first guide plate 26 located at the most lateral end of the fuselage 6 to 29 is separately connected to the front end and the rear end of the first guide plate 26 and penetrates the upper plate 25a of the cut culm outlet 25. It is fastened and fixed to the inner surface side of the upper plate 25a by the pair of mounting bolts 26a and 26b so that the mounting posture does not change. In other words, the mounting position is fixed at a tilt angle A of about 20 degrees to the side where the other discharge guide plates 27 to 29 are located with respect to the virtual straight line L1 in the longitudinal direction of the machine body passing through the mounting bolt 26a on the front end side. .
The first guide plate 26 among the discharge guide plates 26 to 29
The other of the second to fourth guide plates 27 to 29 are connected to the front end side and the rear end side, respectively, and a pair of mounting bolts 27a or 28a or 29a, 27b configured to pass through the upper plate 25a. Or 28b or 29b
Thus, it is mounted on the inner surface side of the upper plate 25a so that the mounting posture can be switched and adjusted, and the mounting posture can be fixed at the adjusted switching posture. That is, the bolt holes 32, 33, or 34 formed in the upper plate 25a for the mounting bolts 27b, 28b, or 29b on the rear end side of the second to fourth guide plates 27 to 29 respectively correspond to those in FIG. 3 or FIG. The arc-shaped long hole enables the guide plate 27, 28, or 29 to swing in the lateral direction of the machine body with the front end side mounting bolt 27a, 28a, or 29b as the swing axis. When the tightening screw 27c or 28c or 29c of the rear end side mounting bolts 27b to 29b as shown in FIG. 5 is tightened, the tightening screws 27c to 2c
9c fastens and fixes the guide plate 27, 28, or 29 to the upper plate 25a so that it does not move even if the cutting culm collides with a predetermined mounting posture switched by swing adjustment.

A plate-like plate as shown in FIG. 3 in which mounting bolts 27b or 28b or 29b at the rear end of the second to fourth guide plates 27 to 29 are slidably disposed on the outer surface of the upper plate 25a. By penetrating the posture switching device 30, the second to fourth guide plates 27 to 29 are interlocked with one posture switching device 30, and the operation unit provided with the posture switching device 30 on one end side. The mounting postures of the second to fourth guide plates 27 to 29 are switched in conjunction with each other simply by performing the sliding operation by the operation 30a.

That is, when the posture switching device 30 is slid, the posture switching device 30 is attached to the mounting bolts 27b-27.
By pushing and moving 29b, the second to fourth guide plates 27 to 29 are rocked around the mounting bolts 27a or 28a or 29a on the front end side. As shown in FIG. 3, a bolt hole 30 e for a mounting bolt 29 b of the fourth guide plate 29 of the posture switching tool 30 is a round hole,
The bolt holes 30c for the mounting bolts 27b of the second guide plate 27 are also provided by the mounting bolts 28 of the third guide plate 28.
The bolt hole 30d for b is also a long hole,
Since the bolt hole 30c for the guide plate 27 is longer than the bolt hole 30d for the third guide plate 28,
The second to second swings as the posture switching tool 12 slides.
Fixed first guide plate 2 among fourth guide plates 27 to 29
The second guide plate 27 closest to 6 swings the smallest angle,
The fourth guide plate 29 farthest from the fixed first guide plate 26 swings at the largest angle, and the third guide plate 28 located between the second guide plate 27 and the fourth guide plate 29 is the third guide plate 28. 2
The swing angle is larger than the guide plate 27 and smaller than the fourth guide plate 29.

As a result, as shown in FIG. 3, the posture switching tool 30 has a corner portion 30b formed on the outer surface side of the upper plate 25a, and one of the diffusion display marks 31a of the pair of display marks 31a, 31b. Are set to the diffusion positions, the second to fourth guide plates 27 to 29 are in the diffusion release position. That is, the second release guide plate 27 is located on the opposite side of the first guide plate 26 with respect to the virtual straight line L2 in the longitudinal direction of the machine body passing through the front end mounting bolt 27a.
The inclination angle B is greater than the inclination angle A, and the mounting position is inclined at about 25 degrees. The third guide plate 28 is formed by a virtual straight line L in the longitudinal direction of the vehicle body passing through the front end mounting bolt 28a.
3, the second guide plate 27 is mounted on the side opposite to the second guide plate 27 at an inclination angle C of about 30 degrees, which is larger than the inclination angle B of the second guide plate 27. With respect to an imaginary straight line L4 in the longitudinal direction of the machine body passing through the mounting bolt 29a on the front end side, on the opposite side to the third guide plate 28, the inclination angle D of the third guide plate 28 is larger than the inclination angle C and is about 40 degrees. The mounting posture is inclined. That is, the distances D2, D2 between the two guide plates in the second to fourth guide plates 27 to 29.
3, the guide plate interval D1 between the second guide plate 27 and the first guide plate 26 is also a widening interval that becomes wider toward the lower side in the cutting culm flow direction, and the second to fourth release guide plates 27 to 29 are 6 guides the release direction of the cut culm by means of the left and right side working surfaces together with one guide plate 26.
As shown in (2), when the width of the cut culm discharge port 25 is divided, the cut culm is mounted in a mounting position that guides the discharge direction so that the cut culm spreads and falls in the falling range 14 having a large lateral width.

As shown in FIG. 4, a corner portion 30b of the posture switching device 30 has a pair of display marks 31a, 31a.
When the collection position matches the other collection display mark 31b of b, the second to fourth guide plates 27 to 29 are in the collection and discharge posture. That is, the second discharge guide plate 27 is located on the opposite side to the first guide plate 26 with respect to the virtual straight line L2 in the longitudinal direction of the machine body that passes through the front end side mounting bolt 27a and is larger than the inclination angle A of the first guide plate 26. Small inclination angle E = about 15
The third guide plate 28
Is located on the side opposite to the second guide plate 27 with respect to the virtual straight line L3 in the longitudinal direction of the vehicle body passing through the front end side mounting bolt 28a, the inclination angle F of the second guide plate 27 being smaller than the inclination angle E =
The mounting position is inclined at about 10 degrees, and the fourth guide plate 29 is located on the opposite side of the third guide plate 28 with respect to the virtual straight line L4 in the longitudinal direction of the machine body passing through the front end mounting bolt 29a. The mounting posture is inclined at an inclination angle G of about 5 degrees smaller than the inclination angle F of 28. That is, the distances D2 and D3 between the two guide plates in the second to fourth guide plates 27 to 29 are also different from those of the second guide plate 27 and the first guide plate 26.
Between the guide plates D1 and D2 also becomes a tapered space that becomes narrower toward the lower side in the cutting culm flow direction.
29 through 29 together with the first guide plate 26 guide the direction of release of the cut culm by the action surface formed on the left and right side surfaces, and the cut culm passes through the left and right crawler passage marks 1 as shown in FIG.
At the position of the cut culm discharge port 25, which is located between the culm 5 and the cut culm discharge port 25, the culm is placed in a fall position 16 in which the width of the machine body in the lateral direction is narrow, and the release direction is guided so as to fall.

In short, when burning the cut culm after the mowing operation or collecting it for feed, etc., the posture switching device 30 is operated to the second to fourth positions by operating the posture switching device 30 to the collecting position.
The discharge guide plates 27 to 29 are switched to the collecting and discharging position, and the second to fourth discharge guide plates 27 to 29 are fixed to the collecting and discharging position by the tightening screws 27c to 29c. Then, the cut culm becomes the first to fourth release guide plates 2.
Due to the collecting and discharging action by 6-29, the horizontal width of the cut culm discharge port 25 is gathered in a narrow area in the lateral width of the cut culm discharge port 25 at the field location 16 behind the fuselage. The cut culms will be released while being able to work efficiently. Further, when plowing the cut culm after the mowing operation, the second to fourth release guide plates 27 to 4 are operated by operating the posture switching device 30 to the spreading position.
29 is switched to the above-mentioned diffuse emission posture,
The second to fourth discharge guide plates 27 to 29 are fixed in the diffuse discharge position by the fastening screws 27c to 29c. Then
The cut culm spreads over a wide range in the lateral width of the cut culm discharge port 25 to the field location 14 behind the fuselage due to the diffuse release action of the first to fourth discharge guide plates 26 to 29 and falls. Then, the cut culm is released while allowing the cut culm to be plowed into a state where the cut culm is present without leakage over the entire field as much as possible.

[Other Embodiments] As the inclination angles A to G of the discharge guide plates 26 to 29, angles other than the values employed in the above-described embodiment may be employed. In addition, as in the above-described embodiment, a part of the release guide plate provided at the cut culm discharge opening may be configured to be fixed, or all may be configured to be movable.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a combine threshing apparatus.

FIG. 2 is a sectional view of a threshing culm cutting device.

FIG. 3 is a plan view showing a diffusion emission posture state of the emission guide plate.

FIG. 4 is a plan view showing a collecting and discharging posture state of the discharging guide plate.

FIG. 5 is a sectional view of a mounting portion of the discharge guide plate.

FIG. 6 is an explanatory view showing a diffusion release state of a cut culm.

FIG. 7 is an explanatory view showing the state of collecting and releasing cut culms.

FIG. 8 is a schematic diagram showing a change in attitude of a conventional ejection guide plate.

[Explanation of symbols]

 2 Handling room 5 Threshing unit 20 Threshing drainage culm cutting device 25 Cutting culm discharge port 27, 28, 29 Release guide plate 30 Posture switching tool D2, D3 Interval

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-53-44343 (JP, A) Fully open 1979-117755 (JP, U) Fully open 1979-53159 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) A01F 29/00-29/22 A01F 12/40

Claims (1)

(57) [Claims] 1. A threshing unit (5) for threshing by supplying the entire harvested grain culm to a handling room (2), cutting the threshing waste culm from the threshing unit (5) and moving the cut culm to the rear of the machine. A threshing culm cutting device (20) that discharges the culm in a falling manner is provided. A plurality of pieces that guide the direction of release of the culm to be released are provided to a cutting culm discharge port (25) of the threshing culm cutting device (20). A threshing and culm processing unit structure of a combine provided with discharge guide plates (27, 28, 29) dispersed in a lateral direction of the aircraft, wherein the plurality of release guide plates (27, 28, 29) are switched in posture. Attach freely and the release guide plate
One posture switching device for (27, 28, 29)
(30) moves the operation stroke necessary for changing the culm release
As a result, the plurality of release guide plates (27, 28,
29) By swinging a different angle for each release guide plate and operating the posture switching tool (30), all guide plate intervals (D2, D3) become narrower toward the lower side in the cutting culm flow direction and cut. The collecting and discharging posture that narrows the discharge range of the culm in the lateral direction of the machine, and the distance between all the guide plates (D2, D3) becomes wider toward the lower side in the cutting culm flow direction, so that the discharge range of the cut culm in the lateral direction of the machine is wide. The plurality of release guide plates (27, 28, 29) in a state where the plurality of release guide plates (27, 28, 29) are switched to the diffused release position
A threshing and culm processing unit structure of the combine in which the posture switching tool (30) is linked.