JP2001275468A - Threshing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain easy opening and closing operations of the cleaning port cover arranged on the first conveyer and the second conveyer. SOLUTION: One operating lever 17 on the outer side of the sidewall of the machine body is interlocked with the covers 16 for the cleaning ports of the first and second conveyers. The operating lever 17 is swung around the shaft axis in the direction along the sidewall of the machine body and set to the posture along the sidewall of the machine body whereby the covers 16 are closed and the lever is turned to the posture that the free end of the lever is detached from the sidewall outside whereby the covers 16 for both conveyers 11, 12 are opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a cleaning unit provided at a bottom of each of a first conveyor for unloading a first processed material sorted out by a sorting unit and a second conveyor for unloading a second processed material. Threshing machine.

[0002]

2. Description of the Related Art In order to remove residuals from a first conveyor and a second conveyor and to maintain the conveyors, both conveyors are provided with a cleaning port and a cleaning lid, and an operation for opening and closing the cleaning lid. Some levers were provided on each conveyor. (See, for example,
178433)

[0003]

In the prior art described above, the operating levers are provided on the cleaning lids of the first conveyor and the second conveyor, respectively. The operation lever must be operated, which is troublesome.

[0004] It is an object of the present invention to facilitate the operation of the cleaning lids of both conveyors while allowing a cover on the side of the machine to be attached.

[0005]

[Means for Solving the Problems] [Structure] A feature of the invention according to claim 1 is that a first conveyor for unloading the first processed material sorted by the sorting unit and a second conveyor for unloading the second processed material.
In a threshing machine in which a cleaning port is provided at the bottom of each of the conveyor No. 1 and the cleaning cap of the conveyor No. 1 by a single operation lever located outside the side wall of the machine,
An operating mechanism for opening and closing the cleaning lid of the conveyor in conjunction with the cleaning lid, and the operating lever is attached so that the operating lever can be attached to the mounting posture along the side wall of the machine when the cleaning lids of both conveyors are closed. It is in.

[Operation] According to the above configuration, when one operating lever is operated, the cleaning lids of both the first and second conveyors open and close in conjunction with each other. When the cleaning lids of both conveyors are closed, the operation lever is in the mounting position along the outside of the fuselage lateral side wall, so that the operation lever can be easily operated on the lateral outside of the fuselage to open and close the cleaning lid, The cover can be attached to the outside of the fuselage so that the operation lever does not easily become an obstacle.

[Effect] In normal times, when cleaning or checking both conveyors while covering the lateral sides of the machine with a cover, it is easy to operate only one operating lever, and the operating lever can be easily moved. It is easy to operate on the outside and open the cleaning port to work easily and efficiently.

According to a second aspect of the present invention, in the first aspect of the present invention, the operation lever is swingably operated around an axis in a direction along the lateral side wall of the fuselage. , The cleaning lids of the two conveyors are closed, and the cleaning lids of the two conveyors are opened by setting the free end side of the operation lever away from the side wall of the machine to the outside. The point is that it is configured to be.

[Operation] By swinging the operation lever,
The cleaning lid opens and closes.

[Effect] The operation lever can be operated more easily than the slide type, and the cleaning opening can be easily opened and closed from the viewpoint of lever operation to easily clean and inspect.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a combine equipped with a threshing machine to which the present invention is applied. The threshing machine mounted on this combine, as shown in FIG. 2, supports a handling cylinder 2 for threshing the harvested culm, which has been nipped and conveyed by a feed chain 1, in a handling chamber 3, and below the handling cylinder 2. A threshing unit A in which a receiving net 4 for extending the threshed product in a leaking process is stretched, and a threshing process and a sifting process are performed while the threshing product is oscillated and moved backward. (A grain) and a sorting unit B that collects the second processed material separately.

The sorting section B includes a grain pan 5 for transferring the processed material leaked from the front of the receiving net 4 to the rear while sorting the specific gravity into grains and straw chips, and a processed product from the Glen pan 5 and the receiving net 4. 6 that sieves and sorts the grains, Glen sieve 7 that sifts and sorts the grains and wind-sorts with the sorting wind from Karamin 10, and sorts the processed material from the rear end of the handling room 3 into straw chips and recoverable threshing grains. A straw rack 8 and the like to be processed are provided in the sorting case 9, and the sorting case 9 is configured to swing back and forth with a constant stroke. The most processed material that has leaked from the Glen Sheave 7 is collected by a No. 1 screw conveyor (corresponding to a No. 1 Conveyor) 11 that is carried out to a storage tank (not shown), and stabbed paddy and branches dropped from the rear end of the chaff sheave 6. A second screw conveyor (corresponding to a second conveyor) 12 for reducing and reprocessing the second processed material such as paddy and the like through the second product reduction device 13 to the sorting well side.
Will be collected. Then, the dust is discharged outside the apparatus together with the sorting wind by suction of the dust blower 14.

The first screw conveyor 11 and the second screw conveyor 12 will be described. 3, 4, and 5
As shown in the figure, the bottom plate portion 11a of the first screw conveyor 11 has a cleaning port 1 along the screw conveyor.
The cleaning port 16 for closing the cleaning port 15 is provided rotatably around the axis X, and the cleaning port 16 is opened and the cleaning port 15 is opened. The state can be switched between a state and a threshing state in which the cleaning port 15 is closed by rotating the cleaning lid 16 to close the cleaning port 15. The bottom plate portion 12a of the second screw conveyor 12 also has a cleaning port 15 and a cleaning port 16 like the first screw conveyor 11, and the cleaning port 16 is opposite to the cleaning port 16 of the first screw conveyor 11. The cleaning port lid 16 is provided so as to be rotatable around the axis Y, and can be switched between a threshing state in which the cleaning port 15 is closed by the swing of the cleaning port lid 16 and a maintenance state in which the cleaning port 15 is opened. .

Next, an operation mechanism for swinging the cleaning cover 16 will be described. A rod-shaped member 19 is connected to each of the cleaning lids 16, 16. By linking the two rod-shaped members 19 to each other, the cleaning lid 16 of the first screw conveyor 11 and the rod-shaped member 19 of the second screw conveyor 12 are connected. The cleaning lid 16 is configured to interlock. The first screw conveyor 11 will be described in detail. A bearing 21 is provided at the end of the cleaning mouth 16 on the machine body front side opposite to the swing axis of the cleaning mouth 16, and the bearing 21 has a rod-like shape. The member 19 is inserted. The bar member 19 is provided with a retaining member 22 and a pressing member 23 with the bearing 21 interposed therebetween, and a support plate 20 is provided at an end of the bar member 19 opposite to the lid side. This support plate 20 is provided integrally.
Is formed with a hole 20a. Further, a spring 24 is interposed between the bearing 21 and the pressing member 23. As shown in FIGS. 3 to 5, the configuration of the cleaning lid 16 of the second screw conveyor 12 is substantially symmetric with the cleaning lid 16 of the first screw conveyor 11 in the longitudinal direction of the machine.

At approximately the center between the first screw conveyor 11 and the second screw conveyor 12, a lateral wall 25 of the machine body is provided with:
An operation lever 17 that can swing around the axis P in the longitudinal direction of the body is provided, and an operation shaft 18 that swings inside the body with the swing of the operation lever 17 is integrated with the operation lever 17. Is provided. The free end side of the operation shaft 18 is inserted into a hole 21 a formed in a support plate 20 provided on the bar-shaped member 19 of the conveyors 11 and 12, and the support plate is moved in accordance with the swing of the operation shaft 18. 20
Are connected so as to be displaced up and down. In addition, the hole 20a through which the operation shaft 18 formed in the support plate 20 is inserted.
Is formed in a fool hole larger than the diameter of the operation shaft 18 so as to allow the operation shaft 18 to swing.

By configuring the operating mechanism for swinging the cleaning lid 16 as described above, the operating lever 17 is moved from the mounting position along the body side wall 25 to the operating lever 17.
When the free end side of the control lever 17 is moved to the mounting position in which the free end side of the operation lever 17 is separated outward from the fuselage side wall 25, the operation lever 17 is swung to the mounting position in which the free end side of the operation lever 17 is separated outwardly from the body side wall 25. The distal end side of the operation shaft 18 that swings integrally with 17 moves upward, and the support plate 20 is lifted. When the support plate 20 is lifted, the cleaning cap 16 on the side of the first screw conveyor 11 connected to the other end of the rod-shaped member 19 provided with the support plate 20 rotates around the axis X and the second screw conveyor 12.
The cleaning lids 16 on the side rotate around the axis Y, respectively, to be in a maintenance state in which the cleaning port 15 is opened (see FIG. 4). The free end side of the operation lever 17 is located at the side wall 25 of the machine body.
When the operating lever 17 is operated to the mounting posture along the body side wall 25 from the mounting posture away from the outside,
When the operation shaft 18 moves downward and pushes down the support plate 20, the cleaning lid 16 rotates around X and Y, respectively, and the throat is closed with the cleaning port 15 closed (see FIG. 3). By the action of the spring 24, when the support plate 20 is operated upward from a dead point (in FIG. 3, the point at which the bar-shaped members are substantially aligned), the free end of the operation lever 17 becomes When the support plate 20 is operated downward, the operation lever 17 is urged to the mounting posture side along the vehicle body side wall 25.

At normal times other than when the cleaning lid 15 is opened, as shown in FIGS.
A pair of upper and lower side covers 26a, 26b that cover the lateral outside
Is mounted on a threshing machine so as to cover a pulley for driving the threshing machine, a transmission belt, and the like located outside the side wall 25.

[Other Embodiments] In the threshing machine shown in FIGS. 7 and 8, the operating mechanism for swinging the cleaning mouth 16 is modified as follows. A coil spring 27 is connected to each of the cleaning lids 16 provided on the two conveyors 11 and 12. By linking the respective coil springs 27 to each other, the cleaning lids 16 of the first screw conveyor 11 are connected to each other. Cleaning cap 16 of second screw conveyor 12
Are configured to work together. The first screw conveyor 11 will be described in detail. The coil spring 27 is connected to the front end of the machine located opposite to the swing axis of the cleaning lid 16. The configuration of the cleaning lid 16 of the second screw conveyor 12 is substantially symmetric with the cleaning lid 16 of the first screw conveyor 11 in the longitudinal direction of the machine.

At approximately the center between the first screw conveyor 11 and the second screw conveyor 12, an operation shaft 28 is provided over the left and right side walls 25 of the body, and the end of the operation shaft 28 is located outside the body side wall 25. To protrude. An operation lever 1 swingable around the axis Q of the operation shaft 28 and around an axis R orthogonal to the axis Q
7, the operation shaft 28 is integrally rotated with the swing operation of the operation lever 17 around the axis Q. The swinging plate 29 that rotates integrally with the operation shaft 28 has the coil springs 27 of both conveyors 11 and 12 attached thereto.
Are connected.

By configuring the operating mechanism for swinging the cleaning lid 16 as described above, the operating lever 17 is provided.
Is swung around the axis R, so that the mounting position is set along the side wall 25 so as not to disturb other operations, and the position of the front end of the operation lever 17 is set to the side wall of the body. The operation lever 17 can be operated to a position where the swing operation can be easily performed around the axis R as the mounting posture separated from the reference position 25. Then, in a threshing state in which the cleaning port 15 is closed,
When the operation lever 17 is pivoted counterclockwise around the longitudinal axis Q of the body, the operation shaft 28 pivots and the pivot plate 29 pivots, and the coil springs connected to the conveyors 11 and 12 are rotated. Of the connecting points of the rocking plate 29 with the
When the connection point on the side of the No. 1 screw conveyor 11 moves downward and the connection point on the side of the No. 2 screw conveyor 12 moves upward, the respective coil springs 27 are pulled, and the cleaning lid 16 of the No. 1 screw conveyor 11 is Around X, 2
The cleaning port lids 16 of the numbered screw conveyor 12 rotate around the axis Y, respectively, to enter a maintenance state in which the cleaning port 15 is opened. When the operation lever 17 is swung clockwise around the axis Q in a maintenance state in which the cleaning port 15 is open, the swing plate 2 with the coil spring 27 is rotated.
Among the nine connection points, the connection point on the first screw conveyor 11 side moves upward and the connection point on the second screw conveyor 12 side moves downward, so that the respective coil springs 27 are pressed and connected. The cleaning lid 16 rotates around the axis X and the axis Y, respectively, so that the cleaning port 15 is in a threshing state in which the cleaning port 15 is closed. A position where the coil spring 27 is most shortened is provided within the swing range of the swing plate 29 by the swing operation of the operation lever 17, and the coil spring 27 is separated from this position.
The operation lever 17 is configured to be urged to each of the closed position and the open position by the action of.

[Another Example] In the above embodiment and the other embodiment, when the lower side cover 26b is mounted, the operation lever 17 swings to the mounting posture along the body side wall 25. If side operation is performed,
Can be attached, but in the state where the free end of the operation lever 17 is swingingly operated to the mounting posture separated from the body side wall 25,
The operation lever 17 restricts the mounting of the lower side cover 26b so that the lower side cover 26b cannot be mounted on the machine body. That is, in the maintenance state in which the cleaning port 15 is open, the side cover 26 may not be attached, so that the worker may recognize that the cleaning port 16 is in the maintenance state.

In the above embodiment and another embodiment,
Conveyor 1 for unloading the first and second processed products
Although a screw conveyor is used as 1 and 12, a chain conveyor, a belt conveyor, or the like may be used.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal side view of the threshing apparatus.

FIG. 3 is a longitudinal sectional side view showing a structure around a first and second screw conveyors showing a closing operation position of a cleaning palate.

FIG. 4 is a longitudinal sectional side view showing the structure around the first and second screw conveyors showing an opening operation position of the cleaning mouth;

FIG. 5 is a plan view showing the structure around the first and second screw conveyors.

FIG. 6 is a rear view showing the positional relationship between the side cover and the operation lever.

FIG. 7 is a longitudinal sectional side view showing the structure around the first and second screw conveyors according to another embodiment.

FIG. 8 is a plan view showing the structure around the first and second screw conveyors according to another embodiment.

[Explanation of symbols]

 11 No. 1 screw conveyor 12 No. 2 screw conveyor 15 Cleaning port 16 Cleaning cap 17 Operation lever 25 Side wall P Shaft core

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Yoshihiro Inoue 64 Ishizu-Kitacho, Sakai-shi, Osaka F-term in Kubota Sakai Works Co., Ltd. (Reference) 2B094 AA07 AA08 AA11 AB03 AB08 AC03 AC06 AC09 AC14 AH01 AH05 AH13 EA05 JA10 JB09 JC01 JD02 JD17 JE04 JE07 2B396 JA04 JC07 KC02 LA24 LL13 LL14 LL17 LL20 PA03 PA11 PA26 PA48

Claims (2)

[Claims] 1. A threshing machine provided with a cleaning port at the bottom of each of a first conveyor for carrying out a first processed material sorted out by a sorting unit and a second conveyor for carrying out a second processed material. An operating mechanism for opening and closing the cleaning lid of the first conveyor and the cleaning lid of the second conveyor in an interlocked manner by a single operation lever located outside the side wall of the machine body. A threshing machine mounted so that it can be mounted along the side wall of the machine when the cleaning lids of both conveyors are closed. 2. The cleaning flaps of both conveyors are closed by swinging the operation lever around an axis in a direction along the side wall of the machine to be in a mounting position along the side wall of the machine. 2. The threshing machine according to claim 1, wherein the free end side of the operation lever is set in an attachment position away from the lateral wall of the machine body so that the cleaning lids of the two conveyors are opened.