JP2000014232A - Thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thresher capable of preventing bending of supporting shafts, vibration of a treating cylinder during rotation and bringing the weight to be light and the cost to be low by constituting the supporting shafts which support the both ends of the treating cylinder in a specific way. SOLUTION: In a thresher in which a treating cylinder 2 is installed on one side of a threshing chamber, supporting shafts 4a and 4b which support the both ends of the treating cylinder 2 are divided. A treating gear A is fixed on a secondary treating cylinder 2a of the treating cylinder 2, a discharged dust-treating gear B is fixed to the treating cylinder 2 and a feed screw 31 is installed to a discharged dust-treating cylinder 2c to enable to omit clogging of cereals during feeding the threshed cereals from the end part of the threshing chamber to a discharged dust-treating chamber. Thus, cereals are brought to be fed without clogging by the action of the feed screw 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing apparatus such as a combine or a harvester.

[0002]

2. Description of the Related Art In a conventional threshing apparatus, a processing cylinder is provided on one side of a handling cylinder, and support shafts at both ends of the processing cylinder are constituted by one and the same shaft.

[0003]

The threshing apparatus as described above has the following disadvantages. That is, since the support shaft of the processing cylinder becomes longer, the support shaft itself is bent, and as a result,
When the processing cylinder itself rotated, the processing cylinder caused abnormal vibration. In addition, the length of the processing cylinder support shaft has increased the weight.

[0004] It is an object of the present invention to provide a threshing apparatus for preventing the above-mentioned problems.

[0005]

The above object of the present invention is achieved by the following constitution. That is, in the threshing device 3 in which the processing cylinder 2 is provided on one side of the handling cylinder 1, the support shafts 4 a and 4 b that support both ends of the processing cylinder 2 are separately configured. Device.

[0006]

Embodiments of the present invention will be described with reference to the drawings. FIG. 4 shows a combine equipped with the threshing apparatus 3 of the present invention. A cutting device 7 for cutting planted grain culms is provided in front of a chassis 6 having a traveling device 5. On the chassis 6, the grain culms cut by the harvesting device 7 are threshed while being transported by a feed chain 8. Threshing device 3
And an operation unit 9 for operating the combine, and a Glen tank 10 for temporarily storing grains selected by threshing by the threshing device 3.

A lower spiral for discharging the temporarily stored grains to the outside of the machine is provided below the Glen tank 10.
A vertical auger 11 that takes over the grains transported from the lower spiral and transports the grains upward of the combine body is provided rotatably with respect to the undercarriage 6, and a horizontal auger 12 can be moved up and down on the vertical auger 11. Is provided. The threshing apparatus 3 will be described with reference to FIGS.

FIG. 1 is a plan view of the threshing apparatus 3, FIG. 2 is a sectional view of the processing cylinder 2 of the threshing apparatus 3, and FIG. In the threshing device 3, there is provided a handling chamber 1b in which the handling cylinder 1 is supported by a handling cylinder shaft 1a, and a processing cylinder 2 for processing threshing material is provided on one side of the handling chamber 1b. 2 is a support shaft 4
a, 4b. Further, the processing cylinder 2 is integrally formed of a second processing cylinder 2a mounted in a second processing chamber 2b and a dust processing cylinder 2c mounted in a dust processing chamber 2d. . Further, the handling cylinder 1 and the second processing cylinder 2
a and the lower part of the dust treatment cylinder 2c,
And a second processing drum receiving net 14 and a dust discharging drum receiving net 15 are provided.

Below the handling room 1b, the second processing room 2b, and the dust processing room 2d, there is provided a swinging shelf 16 for receiving and sorting the falling threshing material. Is provided at the start end side of the sorting air feeding direction below the
The first spiral 18 is provided on the lower side in the feed direction of the sorting wind blown from 7, and the second spiral 19 is provided on the lower side in the sorting wind sending direction of the first spiral 18.

The structure of the swing shelf 16 will be described. The swinging shelf 16 includes, in order from the starting end side in the sorting and feeding direction, a transfer shelf 16a for transferring dropped threshing material backward, a chaff sheave 16b for selecting threshing material, and a straw rack for transferring and discharging dust to the outside of the machine. 16c. The lower part of the straw rack 16c is constituted by a second shelf 19a for guiding a second object into the second spiral 19, and the dust treatment cylinder 2c extends to near the end of the second shelf 19a. It is a configuration that is out.

The casing fan 20 is for discharging the light dust in the sorting chamber 21 to the outside of the machine. The casing fan 20 is located above the straw rack 16c and on the left threshing side wall 3a opposite to the dust-processing cylinder 2c. Make up. In the combine equipped with the threshing device 3 configured as described above, power from an engine (not shown) is input to the traveling transmission 22 to drive the traveling device 5 by changing the speed to an arbitrary speed. The combine then starts moving forward. In order to perform the harvesting and threshing work, power is further transmitted from the engine to the mowing device 7, the supply and transport device 23, and the threshing device 3 to perform the work. When the combine advances in such a state, the planted cereal culm is weeded by the weeding tool 24 and raised.
5 is caused by the raising lug 25a. After that, the grain stalks cut and cut by the cutting blade 26 are conveyed by the stock transfer device 27 toward the rear end of the supply transfer device 23.

The grain culm transported to the end of the stock transporter 27 is taken over by the start end of the feed transporter 23 at the rear. Thereafter, the grain culm transported to the end of the supply transport device 23 is carried over to the start end of the feed chain 8 of the threshing device 3, and the grain culm carried over by the feed chain 8 is transported rearward, Threshing is performed by the handling cylinder 1 and the handling cylinder receiving net 13. A part of the threshed threshed
It falls down and is selected by the rocking operation of the rocking shelf 16 and the wind selection action from the Karamin 17, and is taken into the spiral 18 most. The grains taken into the first spiral 18 are temporarily stored in the Glen tank 10, and the culm after threshing is discharged from the end of the feed chain 8 to the culm chain 28.
Is carried over to the starting end of the
It is sent to 9 and cut and released to the field below.

The remaining thresh in the handling room 1b is transported rearward, and some of the thresh is taken into the second processing chamber 2b on the way. The thresh taken in the second processing chamber 2b is threshed by the operation of the second processing cylinder 2a and the processing cylinder receiving net 14 while being conveyed to the upper side in the sorting air feeding direction, and the lower swinging shelf 16 Falling up. Since the handling cylinder 1, the second processing cylinder 2a, and the dust processing cylinder 2c are all configured to rotate clockwise in the front view of FIG. 5 to FIG. It is necessary to fix the direction of the processing teeth A of the second processing cylinder 2a in such a way that the thresh is sent in the upstream direction in the sorting wind feeding direction. Further, it is necessary to fix the dust-treated teeth B of the dust-treated cylinder 2c in such a direction as to feed the thresh to the lower side in the sorting air feeding direction.

However, in the present embodiment, the dust receiving cylinder 1
Since the mesh of No. 5 is rough, some of the dust processing teeth C do not have a feeding action. FIG. 5 shows S1-S1 of the threshing apparatus 3.
6 is a cross section taken along line S2-S2 of the threshing apparatus 3, and FIG. 7 is a cross section taken along line S3-S3 of the threshing apparatus 3.
As described above, the thresh in the handling room 1b, which does not fall on the swinging shelf 16 and is not taken into the second processing chamber 2b, is transported to the terminal end of the handling room 1b. Is done. The thresh conveyed to the end of the handling room 1b is taken into the dust processing chamber 2d, and the thresh taken in is conveyed to the lower side in the sorting air feeding direction, while the threshing is transferred to the dust processing cylinder 2c. With the interaction of the dust-removing body receiving net 15, the threshing is further released, and the threshing is loosened to take out the grains (so-called sari grains) mixed therein and put on the swinging shelf 16 below. Fall down.

When threshing is sent from the terminal end of the handling room 1b into the dust treatment chamber 2d, a feed spiral 31 is provided on the dust treatment cylinder 2c so as to prevent the threshing from being clogged. The feeding action prevents thresh from clogging. Such a rocking operation of the rocking shelf 16 and the
Despite the action of the sorting wind from, the remaining grains that were not taken into the spiral 18 most are sent further back together with other dust and are taken into the second spiral 19. . The second product taken into the second spiral 19 is
In the second lifted grain cylinder 30, it is reduced to the lower side of the second processing chamber 2 b in the sorting air feeding direction and merges with the threshing material from the handling room 1 b, and then transported to the upper side of the sorting air feeding direction. Is threshed by the interaction with the second processing cylinder receiving net 14 and falls onto the swinging rack 16 below.

In the combine equipped with the threshing apparatus 3 for performing such a series of operations, the second processing cylinder 2a and the dust processing cylinder 2c are supported by the front support shaft 4a and the rear support shaft 4b. This is a configuration that supports (FIG. 2). That is, the support shaft 4a and the support shaft 4b are divided. In the conventional configuration, since the support shafts 4a and 4b are constituted by a single shaft, the support shaft of the processing cylinder becomes longer, and therefore, the support shaft itself bends. At the time of rotation, the processing cylinder was causing abnormal vibration. In addition, the length of the processing cylinder support shaft has increased the weight.

Therefore, as described above, the support shafts 4a and 4a
Since the support shafts 4a and 4b are not bent, vibration of the processing cylinder 2 during rotation can be suppressed. Also, the weight is reduced and the cost is reduced.

[0018]

As described above, according to the present invention, in the threshing apparatus 3 in which the processing cylinder 2 is provided on one side of the handling cylinder 1, the support shafts 4a and 4b provided at both ends of the processing cylinder 2 are divided. Therefore, the support shafts 4a and 4b can be prevented from bending, and the vibration of the processing cylinder 2 during rotation can be suppressed. Also, the weight is reduced and the cost is reduced.

[Brief description of the drawings]

FIG. 1 is a plan view of a threshing apparatus.

FIG. 2 is a sectional view of a processing cylinder.

FIG. 3 is a left side view of the threshing apparatus.

FIG. 4 is a left side view of the combine.

FIG. 5 is a front sectional view.

FIG. 6 is a front sectional view.

FIG. 7 is a front sectional view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Handling cylinder, 2 ... Processing cylinder, 3 ... Threshing device, 4a ... Support shaft,
4b: Support shaft.

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B094 AA07 AA08 AA11 AB02 AB06 AB07 AB12 AB22 AC03 AC14 AC16 AC18 AD11 AE01 AH02 AH06 EA06 HA01 JA10 JB07

Claims (1)

[Claims] 1. In a threshing apparatus 3 provided with a processing cylinder 2 on one side of a handling cylinder 1, support shafts 4a and 4b supporting both end portions of the processing cylinder 2 are each separately configured. And threshing equipment.