JP3357451B2 - Sieve line structure in 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 sieve wire structure in a combine.

[0002]

2. Description of the Related Art Conventionally, in a closed-suction type combine, a swinging direction of the swinging sorting body is interlocked with the swinging of the swinging sorting body at a rear end of the swinging sorting body forming a sorting section. And a sieve line that swings in the opposite direction. In addition, by this sieve wire, paddy and the like can be sieved and sorted on the swing sorter for a sufficient time.

[0003]

Conventionally, however, the above-mentioned sieve wire is exclusively connected directly to the oscillating sorter, so that the oscillating sorter can be removed when a failure occurs or during periodic repair. In order to take it out, the oscillating sorter had to be pulled out integrally with the sieve wire, which made the drawing operation complicated.

An object of the present invention is to provide a sieve line structure in a combine which can solve the above-mentioned problems.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a swing sorting body forming a sorting section is provided with a rear end opposite to a swinging direction of the swing sorting body in conjunction with swinging of the swing sorting body. A swing crankshaft is detachably attached to the rear of the swing sorter in a combine provided with a sieve wire that swings in the direction,
The base ends of a plurality of sieve wire arms with a sieve wire attached to the distal end are pivotally connected, and the sieve wire arm and the sieve wire are configured to be able to be separated from the swinging sorter integrally with the swinging crankshaft. The present invention relates to a sieve wire structure in a combine having the following features.

Further, the oscillating crank shaft has a feature in that disposed in front of the double-dip conveyor forming the separation part.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is an overall side view showing a combine A having a sieve wire structure according to the present invention. A threshing unit D and a sorting unit E are provided on the left side of the fuselage a that can be driven by the vehicle, and a reaping unit H is attached to the front of the threshing unit D so as to be able to move up and down. Then, a motor unit G and a paddy receiving unit J are disposed at the rear, and a straw processing unit K is disposed at the last part of the body a.

[0008] The traveling portion B has a pair of left and right track frames b, b on which a chassis 15 integrally formed by press molding is mounted on the upper portion, and driving wheels 12, 12, idler wheels 13, 13, and rolling wheels 14, 1
4, and the crawler tracks B1, B1 are wound between the drive wheels 12, 12, and the idler wheels 13, 13.

In the threshing unit D, the handle cylinder 1 is rotatably mounted with the axis directed in the front-rear direction, and the second processing drum 2 is rotated at the right rear position of the handle cylinder 1 with the axis directed in the front-rear direction. The handle cylinder 1 and the second processing cylinder 2 are freely mounted on a shaft, and are disposed substantially parallel to the left-right width direction on a plane.

In addition, a chain base m on which a feed chain M is suspended is disposed on the side of the threshing unit D.

[0011] The sorting section E is provided with a carrot 3 at the front, and a swingable swinging body 4 at the rear thereof, and below it, the first grain and the second grain by wind selection (not shown). A first gutter 4a and a first conveyor 4b for collecting kernels, a second gutter 4c and a second conveyor 4d are arranged and configured.

The reaping section H pivotally supports the rear end of the reaping frame 5 at the front of the machine body a so as to be vertically rotatable, and is movable up and down by a lifting hydraulic cylinder 6. Toward the weeding board 7, the raising body 8,
A cutting blade 9, a scraping body 10, and a vertical transport body 11 are provided.

The driving section F has an operation column 17 disposed on the front right side of the fuselage a, an operation lever 18 protruding from the operation column 17, and a seat 19 disposed behind the operation lever 18. A reaping clutch lever 20 is disposed on the left side of the seat 19. 20a is a traveling lever group.

The prime mover section G is located below the seat 19 and has a prime mover.
Along with installing G1, running section B, threshing section D, sorting section E,
The power is transmitted to the reaping unit H and the straw processing unit K via an interlocking mechanism.

The paddy receiving section J is disposed at the rear right side of the fuselage a. A grain tank J1 is provided above, and a paddy storage bag (not shown) is attached to a lower part of the tank J1.

In the straw processing section K, a straw suction fan K1 and a straw cutter K2 are provided at the rear end of the machine body a.

In the combine A configured as described above, the gist of the present invention is that, as shown in FIG. 2 and FIG. A sieve wire 30 that swings in the opposite direction to the swinging direction of the swinging sorting body 4 is provided in conjunction with the swinging of the swinging sorting body 4, and a swinging crank is provided at the rear of the swinging sorting body 4. Shaft 31 detachably attached, sieve wire arm with swinging crankshaft 31 and sieve wire 30 attached at the tip
32,32 base ends are pivotally connected. Hereinafter, the above configuration will be described in detail.

That is, as shown in FIGS. 2 and 3, fixed pivots 31a, 31a at both ends of the swinging crankshaft 31 rotate on fixed bearings 33, 33 provided at both rear portions of the swinging sorter 4. It is freely supported. Also, the crankshaft portion 31b of the swing crankshaft 31
, The rear end of the swing sorting body 4 is detachably connected via swing bearings 34, 34.

As shown in FIGS. 2 and 3, both ends of a crankshaft portion 31b of the swinging crankshaft 31 are provided with a pair of sieve wire arms 32, 32 each formed of a bent plate having a fixed width. The ends are pivotally connected. On the other hand, both sieve wire arms 32, 32
These are connected to each other by a sieve wire mounting bar 32a to form a U-shaped frame in plan view, and the base ends of a large number of sieve wires 30 are fixedly connected to the sieve wire mounting bar 32a.

With this configuration, when the power from the prime mover G1 is transmitted to the swinging crankshaft 31 via the pulley 35 and is rotated, the crankshaft 31b is rotated around the pivot shafts 31a at both ends by a constant eccentric amount. The eccentric rotation causes the oscillating sorter 4 connected to the crankshaft 31b to oscillate.

The rotation of the swinging crankshaft 31 also swings the sieve wire arms 32, 32. The swing is regulated by a swing regulating rail 40, which will be described later. The line 30 swings in the direction opposite to the swinging direction of the swing sorting body 4, so that straw, paddy, etc. can be retained on the swing sorting body 4 for a predetermined time, and sufficient sorting can be performed. Can be.

Further, in this embodiment, the sieve wire arms 32, 32
The swinging crankshaft 31 integrally attached with the swinging sorter 4 is detachably connected to the swinging sorter 4, so that the swinging crankshaft 31 can be easily removed from the swinging sorter 4, The sorting body 4 can be easily pulled out from the combine A to the outside, and a quick response can be taken in the event of a failure or regular repair.

Further, since the sieve wire 30 and the sieve wire arm 32 can be formed separately from the swing sorting body 4, the swing sorting body 4
Can be reduced in weight.

Further, the sieve wire arm 32 is connected to the swinging crankshaft 31.
, The number of parts can be reduced as compared with the case where the sieve wire arm 32 is connected to the swinging sorter 4.

As shown in FIGS. 2 to 4, a swing crankshaft
In this embodiment, the detachable connection structure of the swing sorter 4 to the swing sorter 4 is provided with U-shaped frames 36, 36 having lower inclined surfaces opened at the rear end thereof. U-shaped bearing mounting grooves 37, 37 are provided in the center of the frames 36, 36, and the bearing grooves 37, 3 are provided.
7, swing bearings 34, 34 attached to the crankshaft 31 b of the swing crankshaft 31 are fitted, and the openings of the U-shaped frames 36, 36 are opened and closed by bearing support plates 38, 38. It is constituted by. That is, the L-shaped base ends 38a, 38a of the bearing support plates 38, 38 rotatably engage with the engagement blocks 36a, 36a provided on both lower sides of the U-shaped main body 36, and the center thereof. The raised plates 38b, 38b can be detachably screwed and connected to the open side surfaces of the U-shaped frames 36, 36 by connecting bolts 39, 39.

With such a configuration, the sieve wire 30 and the sieve wire arm 32 can be easily swung through the swing crankshaft 31.
Can be easily and reliably connected to
Further, the sieve wire arm 32 can be easily detached from the swing sorting body 4 integrally with the swing crank shaft 31.

Next, the structure of the swing regulating rail 40 for swinging the sieve wire 30 in the direction opposite to the swing direction of the swing sorting body 4 will be described.

As shown in FIGS. 2 and 3, the swing regulating rail 40 is an inner surface of the threshing side plates 41, 41, and
The sieve lines 32, 32 are removably provided at positions on the rotation locus about the axis of the swing crankshaft 31 and at both sides of the front of the swing sorter 4.

Further, each swing regulating rail 40 is substantially
Rolling wheels to be described later are provided on both sides of the upper surface of the rectangular plate
The guide projections 40b, 40c are formed upright at an interval at which they can be fitted.

A rolling wheel 42 rotatably supported by a bracket 43 projecting from the rear edge of the sieve wire arm 32 is slidably fitted between the guide projections 40b and 40c. .

Therefore, the rotation of the swing crankshaft 31 causes the sieve wire arm 32 to swing.
Since the moving direction of the rolling wheel 42 is regulated by the swing regulating rail 40, the sieve wire 30 can be swung in the direction opposite to the swing direction of the swing sorting body 4.

In this embodiment, as described above, since the swing regulating rail 40 is detachably attached to the threshing side plate 41, it can be easily removed from the threshing side plate 41, and the sieve wire arm 32 and the sieve The removal of the wire 30 can be easily performed.

That is, when the swing regulation rail 40 is removed from the threshing side plate 41, the sieve wire 30 and the sieve wire arm 32 can be easily rotated from the position shown by the solid line in FIG. By loosening the connecting bolts 39 and 39 and removing the swinging crankshaft 31, the sieve wire 30 and the sieve wire arm 32 can be drawn out, and thereafter, the swing sorter 4 can be drawn out. it can.

As shown in FIG. 2, in this embodiment,
A second gutter in which the swing crankshaft 31 is disposed at the rear of the sorting section E
It is located ahead of the rear end 42a of 4c, preferably ahead of the axis of the second conveyor 4d disposed in the second gutter 4c.

Therefore, when the swing crankshaft is disposed behind the rear end 42a of the second gutter 4c as in the conventional case,
The sealing seal required at the rear of the second gutter 4c can be eliminated.

Further, other configurations and modifications of the present embodiment will be specifically described with reference to FIGS.

As shown in FIG. 1, in the combine A according to the present embodiment, since the threshing unit D and the straw processing unit K have a semi-integral structure, the threshing unit protection cover and the straw processing unit The cover has an integrated cover 50 which is integrated with the cover,
It does not adopt a structure that can open and close only the straw processing unit cover.

However, it is necessary to remove straw and the like clogged in the threshing section D, the straw processing section K and the like.

In this embodiment, as shown in FIG. 5, the integrated cover 50 is composed of a fixed cover 50a on the right side when viewed in the traveling direction of the combine A and an openable cover 50b on the left side. , The left side edge of the opening / closing cover 50b,
It is pivotally connected to the right side edge of the fixed cover 50a by a hinge or the like.

Therefore, when the opening / closing cover 50b is opened, not only half of the threshing section protection cover but also half of the straw processing cover integral with the threshing section protection cover can be opened at the same time. Straw and the like clogged in the processing section K and the like can be easily removed.

As shown in FIG. 6, the first gutter 4a and the second gutter 4c
Are provided with openings 60 and 61, respectively.
Are closed by cleaning lids 62 and 63, respectively.

These cleaning lids 62 and 63 are long cleaning lid opening / closing frames which are openably and closably attached to the first gutter 4a, the second gutter 4c and the lower surface of the gutter forming frame 64 formed on the upper surface. It is integrally formed as a part of 65.

That is, as shown in FIG. 6, a long cleaning lid opening / closing frame 65 extends in the front-rear direction, and has a first curved arm 65a which is sequentially provided with its front end toward the rear end. It is composed of a straight arm 65b and a second curved arm 65c, and at the center of the first curved arm 65a and the second curved arm 65c,
The cleaning lids 62 and 63 described above are formed respectively.

The first curved arm 65a can be fitted to the back surface of the first gutter 4a, and the second curved arm 65c can be fitted to the second gutter 4c. lid
The openings 62 and 63 can close the openings 60 and 61 provided in the first gutter 4a and the second gutter 4c, respectively.

Further, the cleaning lid opening / closing frame 65 described above is used.
Has its front end pivotally connected to the frontmost edge 66 of the first gutter 4a by a hinge 67, while its rear end is located at the rearmost edge 68 of the second gutter 4c and has a latch-type locking mechanism. 69
Thereby, it can be detachably connected to the back surface of the second gutter 4c.

With such a configuration, as shown by the solid line in FIG. 6, when connected to the back surface of the second gutter 4c by the latch-type locking mechanism 69, the cleaning gutters 62 and 63 respectively provide the first gutter.
The openings 60 and 61 respectively provided in the 4a and the second gutter 4c can be closed, and threshing work can be performed.

When it is necessary to clean the first gutter 4a or the second gutter 4c, the latch-type locking mechanism 69 is released and the rear end of the cleaning opening / closing frame 65 is free.
65 can be integrally rotated downward with the front end as a pivot point, and the rotation allows the cleaning lids 62 and 63 to be detached from the first gutter 4a and the second gutter 4c. Also in the combine A according to the present embodiment in which the effective space is reduced by the downsizing of the first embodiment, the first gutter 4a and the second gutter 4c can be easily cleaned similarly to the large combine. Furthermore, the cleaning lids 62 and 63 for closing the first gutter 4a and the second gutter 4c can be formed by a single cleaning opening / closing frame 65, and the cleaning opening / closing frame 65 can be formed by a single hinge 67. Are pivotally connected, the number of parts can be reduced, and the weight can be reduced.

In the present embodiment, the first curved arm 65a
And the linear arm 65b are bent upward only, are expanded by 180 ° or more, and are pivotally connected by the hinge 70, so that the interference between the cleaning opening / closing frame 65 and the crawler belt B1 is reliably prevented. Can be.

[0049]

According to the present invention, the following effects can be obtained.

According to the present invention, a sieve that swings in the opposite direction to the swinging direction of the swinging sorting body in conjunction with the swinging of the swinging sorting body is provided at the rear end of the swinging sorting body forming the sorting section. A swing crankshaft is detachably attached to the rear part of the swing sorter in the combine where the wire is arranged, and the swing crankshaft pivotally supports the base ends of a plurality of sieve wire arms with a sieve wire attached to the tip. They are connected so that the sieve wire arm and the sieve wire can be detached from the swing sorter integrally with the swing crankshaft.

Accordingly, the sieve wire arm and the sieve wire can be easily removed from the swing sorting body integrally with the swing crankshaft, so that the labor and time required for the removal operation can be reduced, and Thereafter, the rocking sorting body can be easily pulled out from the combine, and a quick response can be taken in the event of a failure or regular repair.

Further, since the sieve wire and the sieve wire arm can be formed separately from the swing sorter, the weight of the swing sorter can be reduced.

Further, since the sieve wire arm is connected to the swing crankshaft, the number of parts can be reduced as compared with the case where the sieve wire arm is connected to the swing sorter.

In the present invention, the oscillating crankshaft is disposed forward of the second conveyor forming the sorting section.

Therefore, when the swing crankshaft is disposed behind the rear end of the second gutter as in the prior art, the sealing seal required at the rear of the second gutter can be eliminated. .

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine having a sieve wire structure according to the present invention.

FIG. 2 is an enlarged side view of a sieve wire structure of the combine.

FIG. 3 is a plan view showing a conceptual configuration of the sieve line structure.

FIG. 4 is a perspective view showing a connection structure of a swing crankshaft to a swing sorting body.

FIG. 5 is a perspective view of the combine with an open / close cover opened.

FIG. 6 is a side view of a cleaning opening / closing frame of the combine.

[Explanation of symbols]

 A Combine E Sorting part 4 Swing sorting body 30 Sieve wire 31 Swing crankshaft 32 Sieve wire arm 40 Swing regulating rail 41 Threshing side plate 4d Second conveyor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A01F 12/32 A01F 12/00 A01F 12/34

Claims (2)

(57) [Claims] 1. A swing sorting body (4) forming a sorting section (E) is provided at the rear end of the swing sorting body (4) in conjunction with swinging of the swing sorting body (4).
In a combine provided with a sieve wire (30) swinging in the direction opposite to the swing direction of (4), a swing crank shaft (31) is detachably attached to the rear of the swing sorting body (4). Swing crankshaft (31)
In addition, the base ends of a plurality of sieve wire arms (32) having a sieve wire (30) attached to the tip are pivotally connected , and the sieve wire arm (32) and the sieve wire
(30) is integrated with the oscillating crankshaft (31).
A sieving line structure in a combine, characterized in that the sieving line structure is configured to be able to be separated from the sieving line. Wherein said oscillating crank shaft (31), sorting section (E)
2. The sieving wire structure in a combine according to claim 1, wherein said sieving wire structure is disposed in front of a second conveyor (4d) that forms the slab.