JPH04104731A - Whole culm-charging type thresher - Google Patents

Abstract

PURPOSE:To provide the title thresher ensuring even fragile crop to be protected from injury and even robust crop to be adequately threshed, so designed that grain culms fed into the first handling chamber is fed, via the first handling barrel, into the second handling chamber in the rear, and received by a receiving net under the second handling barrel with handling teeth. CONSTITUTION:The grain culms of a crop fed, through a conveyor 13, into the first handling chamber 14 are threshed with the first handling barrel 16, and in the case of fragile crop, virtually all of the grains are made into individual grains and allowed to fall into a selection part 10. In contrast, for robust crop, a lot of grain culms are fed along the upper side of the barrel 16 and brought, via a guide route 6, into the second handling chamber 19 where the culms are made into individual grains between the handling teeth 22a of the second handling barrel 22 and a receiving net 7, and the resultant grains are allowed, through said receiving net 7, to fall into the selection part 10.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a whole culm input type threshing device.

[Conventional technology]

As for whole culm input type threshing devices, there are the following (see Utility Model Application No. 1-9096). This is mounted on a combine harvester, and the cut grain stalks are fed from a feed conveyor onto a belt conveyor type conveying device. Then, the grain culms are sent into the handling chamber by a conveying device, and are struck from bottom to top by a rotating handling drum, and the single grains fall from the handling chamber to the lower grain sorting section where they are sorted. I'm going.

[Invention or problem to be solved]

The above-mentioned whole-culm input type threshing equipment has the purpose of threshing many types of crops such as soybeans, buckwheat, rice, and wheat, but when threshing relatively weak crops such as soybeans, it is difficult to use a powerful From the perspective of damaging the grains if too much impact is applied to them, the grain is set so that it is only hit by the handling barrel when the grains are fed into the handling chamber by the conveying device.

However, in the case of crops such as rice, which are relatively difficult to thresh, there is a possibility that the threshing process does not result in a single grain being sufficiently threshed by just one blow, as described above, and there is room for improvement.

The object of the present invention is to provide a whole-culm input type threshing device that can sufficiently thresh even weak crops without damaging them, and can sufficiently thresh even strong crops.

[Means to solve the problem]

The feature of the present invention is that the whole culm input type threshing device has the following configuration. In other words, (1) [A] A conveying device is provided to send the harvested grain culms into the first handling chamber.

[Mouth] The first handling cylinder is rotated so as to hit the grain culms sent into the first handling chamber from the bottom to the top.
Installed in the handling room.

[C] A second handling room is provided on the rear side of the first handling room, and this second handling room is
A second handling cylinder with handling teeth that is rotatably driven in a direction opposite to that of the first handling cylinder around a rotation axis parallel to the rotation axis of the first handling cylinder in the handling chamber; An arc-shaped receiving net is provided along the lower side.

[2] A guide path is provided for feeding the processed material, which is sent along the upper side of the first handling cylinder by rotation of the first handling cylinder, into the second handling chamber.

[E] A sorting section is provided below the first and second handling chambers.

? In addition to the above configurations [A] to [E], there is a posture in which the processed material is sent along the upper side of the first handling cylinder into the second handling chamber, and a posture in which the processed material is sent into the sorting section below. A guide member that can be freely switched between postures is provided on the guide path.

[For production]

(i) When configured as in the previous section (■), in the case of relatively weak crops such as soybeans, for example, as shown in Fig. When the grains are fed into the container and hit by the first handling cylinder (16), almost all of the grains become single grains and fall into the sorting section below.

On the other hand, in the case of relatively strong crops such as rice, some of the grains may be damaged by the blow from the first handling drum (work 6) when they are fed into the first handling chamber (14). Either they granulate and fall, or many grain culms are sent along the upper side of the first handling drum (16) so as to become entangled with the first handling drum (16), and then pass through the guide path (6) to the second handling chamber. (19). And the second handling room (
Handling teeth (22a) of the second handling cylinder (22) rotating within 19)
and the receiving net (7), and are strongly struck and massaged,
The single grains pass through the receiving net (7) and fall to the sorting section below.

In this case, the grain culm sent into the second handling room (19) is
Before this, the grains had been hit by the first handling cylinder (16) and were in a state where it was easy to form them into single grains to some extent, so the second handling chamber (19)
) can be relatively easily made into single grains.

(ii) In the case of relatively weak crops, the composition described in the previous paragraph (■)
Even if the grains are made into single grains by the impact from the handling drum, some grains do not fall into the sorting section below, but get entangled with the first handling drum and are sent to the second handling chamber. If the grains are sent into the second handling chamber, the grains will be damaged.

Therefore, by providing a guide member as described in the previous item (■), it is possible to prevent such grains from being sent into the second handling chamber and to feed them as they are to the sorting section below, thereby avoiding damaged grains. It is possible to make the grain smaller.

〔Effect of the invention〕

As described above, by providing two types of handling chambers and handling barrels, weak crops can be threshed without damaging them, and strong crops can be threshed sufficiently, making it possible to handle a wide variety of crops. A highly functional whole-culm input type threshing device was obtained.

Furthermore, by providing a guide member that can change its position freely on the guide path from the first handling chamber to the second handling chamber, it is possible to prevent weak crops from being sent into the second handling chamber, thereby damaging the grains. I could have made it even smaller.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a combine harvester equipped with a whole-culm input type threshing device, which is an embodiment of the present invention, will be described based on the drawings.

As shown in Figure 3, this combine harvester has a rotary raking reel (2) and a clipper-type reaping device (
3), a reaping section (4) that collects the harvested grain culms, a feed conveyor (5) that sends the grain culms upward, etc.
1) are provided.

The grain culm harvested by the reaping section (1) passes under the feed conveyor (5) and is discharged from the grain culm discharge port (11) onto the conveying device (13) by a rotationally driven beater (12). be done. This conveyance device (13) has a pair of rollers (13a
), (13b) with a rubber belt (13c) wound around them, and the roller (13) on the grain culm discharge port (11) side.
The entire conveying device (13) is supported to move up and down around the fulcrum (Pl) of a), and the spring (8) shown in FIG.
is urged upward by.

As shown in FIGS. 1 and 3, a pressure roller (15) is arranged above the roller (13b) on the first handling chamber (14) side, and the second pressure roller (15) is Device(
It is rotated at a slightly lower speed than 13). As a result, the grain culm is removed by the pressure roller (15) and the roller (13b).
) and sent into the first handling chamber (14).

In the first handling chamber (14), the first handling cylinder (16) is driven to rotate clockwise in the drawing about the rotation axis (P2). The first handling cylinder (16) is provided with rasp teeth (16a) that are inclined with respect to the direction of rotation, or that the direction of the inclination is not changed alternately (see FIG. 2). The first and second ceiling plates (
17), (18) are provided along the upper surface of the handling cylinder (16). These first and second ceiling panels (17), (
18) are attached so as to be able to swing upward and retreat around their respective horizontal axes (P3) and (P4), and are biased downward by springs (20) and (21). Further, on the second ceiling plate (18), round bars (18a) are attached at intervals along the left-right direction of the first handling room (14).

With the above structure, the grain culm is crushed between the roller (13b) and the pressure roller (15) while being crushed in the first handling chamber (1
4) It is sent inside. And the first handling cylinder (16)
The impact action from bottom to top due to the rotation of
Due to the squeezing and rolling action in a), most of the grains of weak crops such as soybeans are turned into single grains and fall from the exit (14a) of the first handling chamber (14). In addition, since strong crops such as rice are not sufficiently made into single grains by the blow of the first handling drum (16), the grain culms in this case are sent upward while being entwined with the first handling drum (16). and is not rubbed between the first handling cylinder (16) and the first and second ceiling panels (17) and (18),
It passes through the guide path (6) and is sent into the second handling room (19).

In the second handling room (19), as shown in Figures 1 and 3,
A second handling cylinder (22) is provided that is rotationally driven in a counterclockwise direction in the paper, which is opposite to the first handling cylinder (16), around a rotation axis (P6) parallel to the first handling cylinder (16). ing. This second handling cylinder (22) has handling teeth (22) made by bending the wire into a triangular shape.
(a) are fixed in large numbers, and an arc-shaped receiving net (7) is provided along the lower side of the second handling cylinder (22). With the above structure, the grain culm from the first handling room (14) or the guide path (6
) is sent between the second handling cylinder (22) and the receiving net (7), where it is strongly threshed and the single kernels are fed into the receiving net (7).
) to the sorting section (lO) below.

As shown in Figures 1 and 2, inside the second handling chamber (19) is a plate member (25) that surrounds the outer periphery of the second handling barrel (22).
Or, a plurality of them are provided so as to be located between the respective handling teeth (22a). In addition, a pressure roller (15), a first handling cylinder (1
6) and the second handling cylinder (22), the circumferential speed of each outer circumferential surface is set to have the following relationship.

V, <V2<V.

vl: Peripheral speed of the pressure roller (15) V2: Peripheral speed of the first handling cylinder (16) ■,: Peripheral speed of the second handling cylinder (22) As shown in FIG. is provided with a guide member (9) that can be slid up and down. For strong crops such as rice, it is sufficient to raise the guide member (9).
This allows the grain culm or guide path (
6) and is sent to the second handling room (19). and,
In the case of relatively weak crops such as soybeans, the guide member (9) is lowered. Thereby, even if the grains of weak crops are sent along the upper side of the first handling drum (16), the second handling chamber (19)
) and are directly sent to the lower sorting section (10).

Below the first and second handling rooms (14) and (19), there is a sorting section (10) for the falling processed materials, and as shown in Figure 3, there is a sorting board ( 23), a guide plate (24), a winnow (27), and a wind direction plate (2) for adjusting the wind direction.
8) and the like are arranged to form a sorting section (10).

The material to be treated that has fallen onto the sorting plate (23) is sent to the right side of the paper due to its swinging action, and the single grains and fine straw waste are transferred from the sorting plate (23) onto the guide plate (24). It falls, is sent to the right side of the page, and falls onto the sorting belt (30). This sorting belt (30) is rotated to the right side in the paper, and the fine straw waste that has fallen onto the sorting belt (30) is removed by the feeding action of this sorting belt (30) and the winnower (2).
The air from 7) is sent to the right side of the page. Conversely, the grains that have fallen onto the sorting belt (30) are
Regardless of the feeding action of 0), it falls to the left of the page, and 1
It is collected by the number screw (29).

Among the processed materials that are sent to the right on the screen on the sorting plate (23), large pieces of straw and the like are sent to the cutter (32), where they are shredded and discharged. Then, the second product from the sorting plate (23) is collected into the second flavor processing rotor (31) and processed into single grains.
The grains etc. that leaked from the 2nd screw (3
3).

It should be noted that the present invention is not limited to the structure shown in the accompanying drawings by adding reference numerals in the claims for convenient comparison with the drawings.

[Brief explanation of drawings]

The drawings show an embodiment of the whole culm input type threshing device according to the present invention, and FIG. 1 is a longitudinal side view of the vicinity of the first and second handling chambers, and FIG. 2 is a cross-sectional plane of the vicinity of the first and second handling chambers. 3 are overall side views of the combine harvester. (6)・・・Guidance route, (7)・・・Reception net, (
9)... Guide member, (10)... Sorting section, (
13)...Transfer device, (I4)...First handling chamber, (16)...First handling cylinder, (19)...
...Second handling room, (22)...Second handling cylinder, (
22a)... Handling teeth of second handling cylinder, (P2), (
Ps)...Rotation axis center.

Claims (1)

[Claims] 1. A whole-culm input type threshing device having the configuration described in [A] to [E] below. [B] A conveying device (13) is provided to send the harvested grain culms into the first handling chamber (14). [B] The grain culms sent into the first handling room (14) are
A first handling cylinder (16) that is rotationally driven so as to strike from bottom to top is provided in this first handling chamber (14). [C] A second handling room (19) is located behind the first handling room (14).
is provided, and the first handling cylinder (16) is provided in this second handling chamber (19).
) A second handling cylinder (22) with handling teeth (22a) that is rotationally driven in the opposite direction to the first handling cylinder (16) around a rotational axis (P_5) parallel to the rotational axis (P_2) of the first handling cylinder (16). and an arc-shaped receiving net (7) arranged along the lower side of this second handling cylinder (22).
and. [d] The rotation of the first handling cylinder (16) causes the first handling cylinder (1
6) The processed material sent along the upper side is transferred to the second handling chamber (
19) Provide a guide path (6) for feeding into the inside. [E] A sorting section (10) is provided below the first and second handling chambers (14) and (19). 2. A posture in which the processed material is sent along the upper side of the first handling cylinder (16) into the second handling chamber (19), and a posture in which the processed material is sent into the lower sorting section (10). The whole culm input type threshing device according to claim 1, wherein a switchable guide member (9) is provided in the guide path (6).