JP2550602Y2 - Threshing machine cleaning device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device for a threshing machine which cleans and removes grains remaining in respective receiving gutters of a first screw conveyor and a second screw conveyor.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Utility Model Publication No. 63-32612, a cleaning opening which is opened and closed by a bottom cover is provided on the bottom surface of each gutter of the first screw conveyor and the second screw conveyor, and the bottom covers are linked. There was a technique for opening and closing in conjunction with a mechanism.

[0003]

In the above prior art, a link mechanism is provided between the first gutter and the second gutter. Therefore, the link mechanism is constructed by forcing the space between the respective gutters. In addition, the opening and closing angle of the bottom lid is insufficient and the opening and closing operation is poor, and the link mechanism is provided at the bottom of each gutter. There was a problem that caused defects.

[0004]

According to the present invention, a cleaning port is provided at the bottom of each gutter of the first screw conveyor and the second screw conveyor, a bottom cover for opening and closing the cleaning port, and the bottom cover. A link mechanism for opening and closing in conjunction with the link mechanism, wherein the link mechanism is provided between a side plate on one side of the threshing unit and a drive belt of each of the conveyors stretched outside thereof. Since the arrangement is not restricted by the arrangement, the link mechanism can be appropriately configured, the opening and closing angle of the bottom cover can be sufficiently obtained, and the opening and closing of the bottom cover can be performed lightly and smoothly. Since the link mechanism is not exposed far from the traveling crawler, it is possible to eliminate the adhesion of the mud to the link mechanism, prevent the opening and closing operation of the bottom cover from being caused by the sticking of the mud, and reduce the bottom cover during cleaning as compared with the conventional case. Open Properly done obtained, also link mechanism
Is installed inside the side plate on one side of the threshing unit.
Holes and lids to close the holes are required, reducing the strength of the side plates
The cover covering the side plate when opening and closing the bottom lid
It is necessary to remove the lid that covers the operation hole,
With the bottom lid open / closed from the side and the bottom lid was forgotten to be closed
There is a risk of work, and maintenance of the link mechanism
Are very difficult to perform, but these inconveniences are linked
The mechanism can be avoided by providing a mechanism outside the side plate on one side of the threshing unit.
It is those that.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. 1 is a plan view of the cleaning unit, FIG. 2 is an overall side view of the combine, and FIG. 3 is a plan view of the combine unit. In FIG. 1, (1) is a track frame on which a traveling crawler (2) is mounted, and (3) is A machine installed on the truck frame (1), (4) is a threshing unit in which a feed chain (5) is stretched to the left and a handling drum (6) and a processing drum (7) are built in, and (8) is A cutting section provided with a cutting blade and a grain culm transport mechanism, etc., (9) a straw chain (10), (11) a straw processing section facing the end, (12)
Is a driver's cab provided with a driver's seat (13) and a driving operation unit (14), (15) is an engine unit disposed behind the driver's cab (12) and has an engine inside, and (16) is the threshing unit (4). A) a kernel tank arranged on the right side behind the engine section (15) to store the grains from the threshing section (4); (17) a fixed rear sun visor (17a) and a movable front sun visor (1);
7b) is a sun visor provided above the driver's seat (13) by the support (18) together with the support (18), and is configured to continuously perform harvesting and threshing work.

As shown in FIG. 4, (19) in the figure is a handling room in which an axial-flow-type handling cylinder (6) is mounted in the longitudinal direction of the body, and (20) is the handling room (20). 19) a handle for inserting a cereal stem into the handle, (21) a crimp net stretched below the handle (19), and (22) swinging back and forth through swinging links (23) and (24). An oscillating sorter that is freely supported, and includes a feed pan (25) positioned below the crimping net (21), and a horizontal rail positioned below the rear part of the crimping net (21) and the dust outlet (26). A certain chaff fin (27), a straw rack (28) disposed behind the chaff fin (27), a Glen sheave (29) disposed below the fin (27), and a lower shelf (28) disposed below the straw rack (28). The rocking sorter (22) is composed of To.

[0007] In the figure, (31) is the sorting board (22).
Karin, a sorting fan that sends a sorting wind in the direction
2) is the first screw conveyor which communicates with the fryer cylinder (33), which is a grain transporting step, and takes out grains into the grain tank (16); 22)
A second screw conveyor (35) is a suction / discharge dust fan that has a suction port facing above the straw rack (28), and removes the grain threshed by the handling cylinder (6) and the processing cylinder (7). Only the sieved and sorted granules are taken out by the rocking sorter (22) into the grain tank (16), and the straw is discharged through the straw chains (10) and (11).
It is configured to be sent to the straw processing unit (9) having the above (7), cut, and discharged outside the machine after cutting.

As shown in FIGS. 1, 5 and 6, the bottom of the first gutter (38) of the first screw conveyor (32) and the second gutter (39) of the second screw conveyor (34). On the bottom surface, first and second cleaning ports (40) and (41) for cleaning and removing kernels remaining at the bottom of each of the receiving gutters (38) and (39) are provided, and the respective cleaning ports (40) and (41) are opened. 40) First and second bottom lids (42) for opening and closing (41)
(43), a link mechanism (44) for opening and closing the bottom lids (42) and (43) in an interlocking manner, and an operating lever (4)
5), and each of the screw conveyors (3)
2) The first and second fulcrum shafts (46) and (47) are provided on the back side of the receiving gutters (38) and (39) between (34), and both ends of the fulcrum shafts (46) and (47) are The left and right side plates (48) and (49) of the threshing unit (4) are rotatably supported on the left and right side plates (48) and (49), and the fulcrum shafts (46) and (47) are screwed on the screw conveyors (32) and (3).
4) In parallel with the conveyor shafts (50) and (51), the left and right bottom cover arms (52) (52) (53) (53) are provided on the left and right back sides of the bottom covers (42) and (43). And the ends of the bottom cover arms (52) and (53) are pivotally fixed to the fulcrum shafts (46) and (47), and the bottom covers (42) and (43) are connected to the gutters (38). (39) It is supported on the bottom rear surface so as to be openable and closable.

[0009] Further, from the left end side of each of the conveyor shafts (50) and (51) projecting to the outside of the left side plate (48) of the threshing unit (4), each screw is connected via pulleys (54) and (55) and a belt (56). Power is transmitted to the conveyors (32) and (34), and the pulleys (54) and (55) and the belt (5) are transmitted.
6) A belt cover (57) for covering the belt transmission mechanism is detachably attached to the outside of the left side plate (48).

The link mechanism (44) is disposed in a gap (58) between the left side plate (48) of the threshing unit (4) and the belt (56), and is provided with the second conveyor shaft (5).
A rotating arm (60) rotatably fitted and supported on the outer peripheral surface of the bearing metal (59) of (1); and a first and a second arm connected at one end to the rotating arm (60) via a pin (61). And the rods (6) and (63)
2) Threads (64) (6) formed on the other end of (63)
5) A rod length adjusting link (66) (67) that is screwably connected to the link (66) (67), and one end of the link (66) (6).
Each fulcrum shaft (50) (51) which is connected to 7) via a pin (68) (69) and the other end protrudes outside the left side plate (48).
The first and second push-pull links (7
0) and (71) constitute the link mechanism (44), and the operating lever (45) is integrally attached to the rotating arm (60), and the rotating arm (60) and the rod are operated by operating the lever (45). (62) (63) and link (6)
6) The fulcrum shaft (4) via (67), (70) and (71).
6) (47) is rotated in the opposite direction, and the bottom lids (42) and (43) are simultaneously opened and closed in the opposite direction.

When the bottom cover (42) (43) is opened, the end of the lever (45) is closed when the belt cover (57) is opened.
Project below the lower edge of the left side plate (48) when closed.
A locking member (72) made of a leaf spring for locking the lever (45) to the closed operation position is provided on the lower surface of the left side plate (48), and the locking member (72) is provided. ) And release the lever (4)
5) When the lever is rotated to the open operation position, the lower edge rib (73) of the belt cover (57) and the lever (45) interfere with each other to open the bottom lids (42) and (43). In some cases, the belt cover (57) cannot be attached, and work is prevented from being started with the bottom covers (42), (43) open.

In this embodiment, the belt cover (57) on the left side of the fuselage is removed, the lever (45) is unlocked, and the link mechanism (4) is removed.
By simultaneously opening the bottom lids (42) and (43) according to 4) and opening the cleaning ports (40) and (41),
Grains remaining at the bottom of each receiving gutter (38) (39) can be cleaned and removed. Conversely, by operating the lever (45), each bottom lid (42) (4) can be removed via a link mechanism (44).
3) at the same time, and the lever (45) is locked in the closing operation position.
7) can be mounted and work can be performed.

The link mechanism (44) is disposed in a gap (58) between the left side plate (48) of the threshing unit (4) and the belt (56), and is restricted in the left-right direction, but in the front-rear direction. Of the arm (60)
And each rod (62) (63) and link (70) (7
Link ratios such as 1) are properly obtained, and each bottom cover (42)
(43) can be opened until it comes out of the lower area of each cleaning port (40) (41), and each bottom cover (4) can be opened with a small operating force.
2) The opening and closing of (43) can be performed, and the link mechanism (44) is far from the traveling crawler (2) on the left side and in a substantially closed space, so that mud scattered from the traveling crawler (2) can be prevented. There is no adhesion and no exposure to dust or wind and rain during work.

Further, since the link mechanism (44) is mounted on the left side surface of the machine body, the assembling work can be easily performed, and the link mechanism (44) can be mounted simply by removing the belt cover (57). Since it can be exposed on the left side of the fuselage, adjustment of the link mechanism (44) such as lubrication and adjustment of the length of the rods (62) and (63) and maintenance and inspection can be easily performed.

Further, the fulcrum shafts (46) and (47) and the rotating arm (60) of the link mechanism (44) are connected to the left and right side plates (48) and (49) on the threshing unit (4) side and the bearing metal (59). , The rigidity of each fulcrum of the link mechanism (44) can be increased and the number of parts can be reduced at the same time.

[0016]

As is apparent from the above embodiments, the present invention provides a cleaning port (40) which is provided at the bottom of each of the gutters (38) (39) of the first screw conveyor (32) and the second screw conveyor (34). ) (41) and the cleaning port (40)
An apparatus provided with a bottom lid (42) (43) for opening and closing (41) and a link mechanism (44) for opening and closing the bottom lids (42) and (43) in an interlocked manner.
4) is provided between the side plate (48) on one side of the threshing unit (4) and the drive belt (56) of each of the conveyors (32) and (34) stretched outside the threshing unit (4). (4
Since the arrangement is not restricted by the arrangement of 4), the link mechanism (44) can be appropriately configured, and the opening and closing angles of the bottom lids (42) and (43) can be sufficiently obtained. The bottom lids (42) and (43) can be opened and closed lightly and smoothly, and the link mechanism (44)
Is not exposed far from the traveling crawler (2), it is possible to eliminate the adhesion of the mud to the link mechanism (44), and to prevent the opening / closing operation failure of the bottom lids (42) and (43) due to the adhesion of the mud. Bottom cover (42) (4)
3) Opening and closing can be performed properly, and the link mechanism (4
4) is provided inside the side plate (48) on one side of the threshing unit (4)
In case, the side plate (48) needs an operation hole and a lid to close it
The strength of the side plate (48) decreases and the bottom cover (42)
A cover that covers the side plate (48) when opening and closing (43).
And it is necessary to remove the lid closing the operation hole
At the same time, the open / close state of the bottom lids (42) and (43) can be seen from the outside.
Work was performed with the bottom lids (42) and (43) forgotten to close.
And the maintenance of the link mechanism (44)
Are very difficult to perform, but these inconveniences are linked
The mechanism (44) is attached to the outside of the side plate (48) on one side of the threshing unit (4).
In this case, a remarkable effect can be obtained, for example, it is possible to avoid such a problem .

[Brief description of the drawings]

FIG. 1 is a plan view of a cleaning unit.

FIG. 2 is an overall side view of the combine.

FIG. 3 is an overall plan view of the combine.

FIG. 4 is a sectional view of a threshing unit.

FIG. 5 is a side view of the cleaning unit with the bottom cover closed.

FIG. 6 is a side view of the cleaning unit with the bottom cover opened.

[Explanation of symbols]

 (32) (34) Screw conveyor (38) (39) Gutter (40) (41) Cleaning port (42) (43) Bottom cover (44) Link mechanism

Claims (1)

(57) [Scope of request for utility model registration] 1. A cleaning port provided on the bottom of each receiving gutter of a first screw conveyor and a second screw conveyor, a bottom cover for opening and closing the cleaning port, and a link mechanism for opening and closing the bottom cover in an interlocking manner. In the cleaning apparatus for a threshing machine, the link mechanism is provided between a side plate on one side of the threshing unit and a drive belt of each of the conveyors stretched outside the side plate.