JPH0631862Y2 - Thresher - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to a threshing machine for threshing a grain culm cut with a combine or the like.

(B) Conventional technology Conventionally, the processing chamber is arranged from the dust inlet provided on the side of the handling chamber to the side of the dust sorting chamber to remove straw debris, spikes, etc. remaining in the handling chamber. There is already known a threshing machine which is introduced into a processing chamber and is processed by a processing cylinder in a processing chamber.

(C) Problems to be solved by the invention In the known threshing machine, the straw that has leaked from the receiving net of the processing chamber falls to the most leaking sorting section below and drops into the most trough. The most mixed in the grain.

In addition, normally, the sorting wind blows from the lower part to the uppermost part in the most leaking sorting part, but since the wind generated by the processing cylinder blows from above to the most leaking sorting part, the wind sorting performance of the most grain. Became worse.

(D) Means for Solving the Problems The present invention is provided with a processing chamber which is opened at the side of the handling chamber and which has a processing cylinder built in from the dust inlet to the side of the dust sorting chamber behind it. In the area extending from the lower part of the handling chamber to the dust sorting chamber, facing the top gutter, the most leaking sorting part that screens the most grain, and the second gutter behind it. In a thresher having an oscillating sorter equipped with a No. 2 leak-through sorter for sieving the No. 2 waste, the outer periphery of the portion corresponding to the most leak-through sorter in the processing chamber is directed from inside to bottom. By covering with a roof block, the leaked material from the processing chamber will fall into the most leaking sorting section of the swing sorting body, and the wind from the processing cylinder will be blown to the most leaking sorting section from above. To prevent the above problems.

(E) Action The root part of the grain culm is nipped and conveyed by the feed chain and the pinching rail, and the ear side is inserted into the handling chamber from the supply port to perform threshing treatment.

Grains and small straw debris generated in the handling room leaks from the net to the rocking sorting body and is rocked to be sorted, and the most grain is screened in the most leaking sorting section while receiving wind selection. The item to be sorted containing the second one is dropped into the first trough and collected, and then subjected to the wind selection and the sieve selection in the second selection section.

Then, the straw debris and panicles generated in the handling room are processed by the processing drum while moving backward from the dust inlet into the processing room, and the processed grains, straw and subdivided straw debris, etc. Leaks from the processing room receiving network.

At this time, since the leakage screening section from the processing chamber is received by the internal plate, it does not fall into the leakage screening section first, and the straw waste transferred to the rear part of the processing chamber is discharged from the outlet. Is discharged from the No. 2 dust-exhaust sorting chamber to be subjected to wind selection and No. 2 sorting, and straw dust and dust are discharged out of the machine through the dust-exhaust port or the suction sorting windmill.

(F) Embodiments An embodiment of the present invention will be described with reference to the drawings, in which 1 is a handling cylinder mounted on a handling room 2, and a feed chain 3 and a pinch rail 4 are provided outside the handling opening. A swinging sorting body 6 is erected so as to be transported back and forth in a portion extending from below the receiving net 2a to the dust sorting chamber 5, and the swinging sorting body 6 is provided with a chaff sheave 8 at a rear portion of a moving plate 7. The uppermost sorting path and the corrugated transfer plate 10, which are connected to each other, and which are connected to the uppermost gutter 11 and face the uppermost gutter 11 and are composed of the sorting net 12 and the most leaking sorting part and the second gutter 13 From the rear end of the corrugated transfer plate 14 facing the
It is configured with a lower sorting section path consisting of a second leak-through sorting section that has been extended, and the grain that has fallen into the first trough 11 (not shown) is pumped and discharged by a lifting cylinder, The second object that has fallen into the guard trough 13 is returned to the handling chamber 2 or to the start end of the upper sorting path of the swing sorting body by the second thrower or the second reducing spiral.

In addition, the sorting wind of the blower fan 16 provided below the supply port blows through the chaff sheave 8, the sorting wind that blows through the sorting net 12 and the bottom of the trough 11 and blows through the straw rack 15 to remove dust. It is divided into the sorting wind that blows out to the mouth 15a.

Further, a dust inlet 17 is provided on the opposite side of the handle from the rear of the handle chamber 2.
A processing chamber 19 in which a processing cylinder 18 is installed is provided at a portion extending from the dust sending port 17 to one side of the dust sorting chamber 5, and the processing chamber 19 is as shown in FIG. Approximately half of its width projects outward and is covered with the case plate 20, the inside is covered with the processing cylinder support net 21, the discharge port 22 is provided inside the rear end, and the machine wall facing this is A suction windmill 23 is attached.

Then, the portion of the processing cylinder receiving net 21 corresponding to the sorting net 12 is an upper shielding plate 25 inclined downward from the machine wall toward the inside.
, The inside is a substantially vertical intermediate shielding plate 26, and the lower surface is shielded in series by a lower shielding plate 28 having a corrugated moving plate 27 at the lower end while descending and slanting downward to the outside, The intermediate shielding plate 26 and the lower shielding plate 28 are integrally connected to each other to form a corrugated transfer plate.
The outer end of 27 is fixed to one side plate 6a of the swing selecting body 6, and the side plate 6c corresponding to the intermediate blocking plate 26 is integrally erected on the upper end of the other side plate 6b. The upper front part and the rear part of the lower part of the lower shield plate 28 are connected to the intermediate shield plate 26 by the cross shafts 30 and 30 to form a frame. As shown in FIG. 3, it projects forward to a portion corresponding to the intermediate portion of the dust delivery port 17.

In addition, a baffle plate 31 is provided between the exhaust port 22 of the processing chamber 19 and the front part of the suction wind turbine.

Reference numeral 32 is a rubber plate attached to the lower end of the upper shielding plate 25 and brought into sliding contact with the upper outer surface of the intermediate shielding plate 26, and 34 is a straw conveying device.

In the threshing machine described above, the root portion of the grain culm is sandwiched and conveyed by the feed chain 3 and the sandwiching rail 4, and the ear side is inserted into the handling chamber 2 from the supply port. The crushed grains and small straw debris fall from the net 2a onto the transfer plate 7 and the chaff sheave 8 of the rocking sorter 6 and undergo sieve screening, and the first grain falls into the first trough 11. What remains on the chaff sheave 8 is thrown from the rear end to the corrugated transfer plate 14 and merges with the straw waste containing the second one that has moved from the rear end of the sorting net 12, and the second one is used at the straw rack 15. After being sorted, the second one falls into the second trough 13, and the straw waste is discharged from the dust outlet 15a and the suction windmill 23.
Is discharged from the aircraft.

In addition, long straws, cuttings, etc. that have occurred in the handling room 2 are provided with the dust port 17
Is discharged from the processing chamber 19 to the processing chamber 19 and is subsequently fed by the auger 33 to be processed by the processing teeth of the processing cylinder 18. Grains and small straw waste leak from the entire surface of the processing cylinder receiving net 21.

At that time, the leaked material is an upper shielding plate 25, an intermediate shielding plate 26,
Since it is received by the lower shielding plate 28, it slides on the sorting net 12 without falling, and is guided outward by the inclined portion below the lower shielding plate 28 to the corrugated transfer plate 27. The particles flow down, pass through the sorting net 12 as the swinging sorting body 6 swings, and then drop onto the corrugated transfer plate 14 at the rear part of the lower sorting path and join together.

Further, since the lower part of the lower shielding plate 28 is inclined outward, the width of the sorting net 12 hardly becomes narrow, and the objects to be sorted transferred from the corrugated transfer plate 10 are sufficiently air-selected. And can be screened.

Further, the straw waste transferred to the rear part of the processing chamber 19 is thrown from the discharge port 22 toward the suction windmill 23, and is subjected to specific gravity selection and wind selection during that time.

(G) Advantageous effect of the present invention The present invention, as described above, has a dust inlet opening on the side of the handling chamber 2.
The processing cylinder 18 extends from 17 to the side of the dust sorting chamber 5 behind it.
The processing chamber 19 in which the inside is installed is provided, and the most leak-through sorting is performed in a portion extending from the lower side of the handling chamber 2 to the dust sorting chamber 5 facing the most gutter 11 and sieving the most grain. In the thresher having a swinging sorting body 6 provided with a second section and a second leaking sorting section for screening the second item facing the second trough 13 behind the section, one of the processing chambers 19 Since the outer circumference of the part corresponding to the number-leakage sorting part is covered with a blocking plate that tiles from the inside to the bottom, the straw and straw debris that has fallen from the processing chamber 19 should fall into the most leakage-type sorting part. It is possible to prevent the cut straw from being mixed into the first grain.

Further, in the processing chamber 19, since the processing cylinder 18 is rotating at a high speed, the blast caused by it blows out toward the leaking sorting section most, but the shielding plate blocks it to prevent the sorting wind. It is possible to prevent turbulence and thereby prevent the wind selection performance from deteriorating.

[Brief description of drawings]

The drawings show one embodiment of the present invention. Fig. 1 is a vertical sectional view of a thresher, Fig. 2 is a horizontal sectional view of the same, and Fig. 3 is a vertical sectional plan view of the same. 2 ... Handling room, 5 ... Dust sorting room, 6 ... Swing sorting body, 12
...... Sorting net, 16 …… Blower, 19 …… Processing room, 21 …… Processing cylinder receiving net, 25 …… Upper shield plate, 26 …… Intermediate shield plate, 28…
... Lower shield plate

Front page continuation (72) Inventor Noboru Ito 667 Isuyacho, Hijizumo-cho, Yatsuka-gun, Shimane Prefecture 1 Inside Mitsubishi Agricultural Machinery Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A processing chamber 19 in which a processing cylinder 18 is installed is provided from a dust outlet 17 opened in a side portion of a handling chamber 2 to a side portion of a dust sorting chamber 5 behind the handling chamber 2. In the part extending from the lower part of 2 to the dust sorting chamber 5, the most leaking sorting part facing the most trough 11 and sieving the most grain, and the second trough 13 behind it. In the thresher having the swinging sorting body 6 provided with the second leakage sorting section for facing and screening the second material, the processing chamber
A threshing machine characterized in that the outer periphery of the portion corresponding to the most leaking sorting section of 19 is covered with a shielding plate extending from the inside to the bottom.