JPH062009B2 - Swing sorting device in thresher - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oscillating sorting device in a thresher that receives threshing grains that have been threshed by a threshing device and swings and sorts them.

[0002]

2. Description of the Related Art Conventionally, a sheave plate whose inclination angle can be adjusted is interposed between the left and right side plates of a sorting shelf, and two pin shafts are projected from both ends of the sheave plate.
An example of the swing selecting device is one in which the pin shaft on one side is penetratingly supported in a hole provided in the side plate, and the pin shaft on the other side is penetrating into a long hole formed in the side plate. -4
It is known from Japanese Patent No. 5755.

[0003]

Generally, since the swing selection shelf withstands reciprocating swing vibration, this shelf frame structure requires consideration of strength and vibration resistance, and an integral structure having rigidity is desirable. In particular, when a large number of sheave plates interposed between the left and right side plates are provided so as to be able to change and adjust the tilt angles simultaneously and at the same time, it is further necessary. However,
As in the prior art, the one in which the pin shaft is projected from both ends of the sheave plate has a configuration in which it is easily deformed because it is a free end, and therefore, straw chips enter the gap between the sheave plate and the side plate, Forcibly adjusting the tilt angle of the sheave plate in the state where the straw chips are clogged causes a problem that the pin shaft is inadvertently deformed, which makes the operation heavy or makes the operation inoperable.

The present invention is intended to solve such a problem, and therefore, the following technical means were taken.

[0005]

That is, the technical means according to the present invention is such that a sheave plate 20 whose inclination angle can be adjusted is interposed between the left and right side plates 22, 22 of the sorting shelf 3,
The side plate 22 and the sheave plate 20 are connected by a U-shaped connecting pin 23 that can be inserted from the outside of the side plate 22, and the U-shaped connecting pin 23 is connected to the shaft portion 23a on one end side or the above-mentioned. It is characterized in that the shaft portion 23b on the other end side is supported by a hole 24 formed in the side plate 22 so as to penetrate into a long hole 25 formed in the side plate 22.

[0006]

When assembling each sheave plate 20 into a sorting shelf, the sheave plate 20 is interposed between the left and right sides 22 and 22 of the integrally assembled sorting shelf 3, and the left and right side plates 22 and 2 are inserted.
2 and the left and right tip end surface portions of the sheave plate 20 are overlapped with each other, and the U-shaped connecting pin 23 is inserted from the outside of the side plates 22 and 22 across the overlapped portion. The pin 23 is inserted and supported by the side plate 22.

In the sheave plate 20 connected by such a U-shaped connecting pin, the lower end side shaft portion 23b swings along the long hole 25 with the upper end side shaft portion 23a as a fulcrum, and the sheave plate 20 is appropriately moved. The tilting angle is adjusted to perform the sorting operation.

[0008]

As described above, according to the present invention, each sheave plate of the sorting shelf is connected to the left and right side plates by a U-shaped connecting pin 23.
Since it is connected and held by means of, the supporting structure is stable, and there is a problem that it is easy to deform with the conventional one in which the pin shaft is projected from both ends of the sheave plate, but such a problem can be solved and accurate tilt The angle adjustment operation is possible, the construction is simple, and the assembly is easy.

[0009]

[Embodiment] 1 is a threshing chamber, and a culm chamber 8 is provided on the rear side thereof.
A swing sorting shelf 3 having a length extending from below the threshing chamber 1 to below the culm chamber 8 and supported on the inside of the left and right side walls 2 is provided, and a fan 9 is provided below the swing sorting shelf 3. Is provided to form a sorting airflow passage that flows in the dust feeding direction (a), and a grain conveyor 10 and a second outlet 11 are provided in the lower side of the air passage, each having a spiral conveyor installed therein. .

Inside the threshing material 1, a handling cylinder 13 with handling teeth 13 is provided by being supported by front and rear side plates 14 and 14. The upper side of the handling barrel 13 is covered with a cover and a crimping net 15 is stretched on the lower side. There is. In addition, an outlet 16 is opened between the lower end of the rear side plate 14 and the rear end of the crimp net 15, and a threshing inlet 17 is provided between the lower end of the front side plate 14 and the crimp net 15. Is forming. 18 is a grain culm transfer chain.

The rocking sorting shelf 3 is provided with a corrugated plate 19 having a chevron shape on the upper side with respect to the dust feeding direction (a), and an intermediate portion is provided with a space between the surfaces of a plurality of narrow thin plates. Forming a sheave plate 20 arranged in parallel with each other, and forming a plurality of straw racks 21 with teeth of a saw-toothed plate in the front-rear direction on the lower side, and forming a gap between the left and right side walls 2. While maintaining (b), it is appropriately fixed between the left and right shelf side plates 22 that are swingably supported on the side wall 2 to form a frame structure.

The sorting and adjusting section 4 is a device for simultaneously adjusting the tilt angles of all the sheave plates 20 of a plurality of sheave plate 20 rows arranged in the central portion of the rocking sorting shelf 3 in the front-rear direction. The plate 20 is attached to the shelf side plate 22 by using a U-shaped connecting pin 23. That is, in the U-shaped connecting pin 23, the shaft portion 23a on the upper end side is penetratingly supported by the hole 24 provided in the side plate 22, and the shaft portion 23b on the lower end side is in the long hole 25 formed in the side plate 22. The shaft portion 23 on the lower end side is configured to penetrate therethrough.
b is fitted in a hole of an interlocking plate 26 slidably provided in contact with the outside of the shelf side plate 22, and the interlocking plate 26 slides along the shelf side plate 22. By doing so, the sheave plate 20 is configured to be simultaneously tilted in unison.

The interlocking arm 27 is interlockingly connected to slide the interlocking plate 26, and the sheave plate 20 is provided on the upper part thereof.
Has upper and lower fulcrums 28 at intervals between the upper and lower shaft portions 23a and 23b, and the like, the upper fulcrums 28 are rotatably supported by the shelf side plate 22, and the lower fulcrums 28 overlap from the outside of the interlocking plate 26. It is rotatably supported around the lower fulcrum 28. Further, an end of the operation wire 5 is locked to a pin 29 provided at the lower end of the interlocking arm 27, and a locking part is provided at an intermediate portion between the pin 29 and the fulcrum 28 on the upper side of the operation wire 5. A spring 30 for elastically urging and pulling the wire 5 in the opposite direction to the pulling direction is adjusted between the locking portion and the shelf side plate 22. Further, a bracket 31 is provided on the shelf side plate 22 to fix the outer cylinder portion of the operation wire 5. In addition, a seal 32 that closes the gap (b) from the periphery is provided at the peripheral edge of the shelf side plate 22.

A large opening 6 is provided in the side wall 2, a lid 38 for closing the opening 6 is detachably provided, and a hole 33 for passing the operation wire 5 is provided in the opening / closing lid 38.
It is provided by cutting from the peripheral portion of the. The operation portion 7 of the operation wire 5 is provided as a lever in the cockpit portion of the combine.

The culm chamber 8 is provided with a culm transfer device 34, a cutter 35 and the like. Reference numeral 36 is a cross-flow fan, and 37 is an outlet.

[Brief description of drawings]

FIG. 1 is a cutaway side view of a main part of a thresher.

FIG. 2 is an enlarged side view of a main part.

FIG. 3 is a cutaway plan view of a main part.

FIG. 4 is a front sectional view of a main part.

[Explanation of symbols]

1 Threshing Room 2 Side Wall 3 Swing Selection Shelf 4 Selection Control Section 5 Operation Wire 6 Opening 7 Operation Section 8 Cutter Room 9 Fan 10 Grain Outlet 11 Second Outlet 12 Handle Teeth 13 Handle Cylinder 14 Front and Back Side Plates 15 Crimping Net 16 Ejection outlet 17 Grain inlet 18 Grain transfer chain 19 Corrugated plate 20 Sheave plate 21 Straw rack 22 Shelf side plate 23 U-shaped connecting pin 24 hole 25 Long hole 26 Interlocking plate 27 Interlocking arm 28 Support point

Claims (1)

[Claims] 1. A sheave plate 20 whose inclination angle can be adjusted is interposed between the left and right side plates 22, 22 of the sorting shelf 3, and the side plate 22 and the sheave plate 20 can be inserted from the outside of the side plate 22. The U-shaped connecting pin 23 is connected by the U-shaped connecting pin 23, and the U-shaped connecting pin 23 has a shaft portion 23a on one end side.
Is pierced and supported by a hole 24 provided in the side plate 22, and a shaft portion 23b on the other end side is configured to penetrate a long hole 25 formed in the side plate 22. Dynamic sorting device.