JPH0719232Y2 - Thresher sorting equipment - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a thresher mounted on a combine or the like, and more particularly to a sorting device for the thresher suitable for threshing a grain culm cut by the combine. Is.

[Prior Art] Conventionally, a processing chamber is provided from the dust inlet provided on the side of the handling chamber to the side of the dust sorting chamber, and the processing chamber is left with straw debris, cuttings, etc. As a threshing machine for improving the threshing capacity by introducing the above and treating by the processing cylinder in the processing chamber, for example, Japanese Utility Model Publication No. Sho 62-186625 is proposed.

[Problems to be solved by the invention]

In this threshing machine, in order to prevent the processed material that has leaked from the handling chamber and the processing chamber from falling directly onto the swing sorting body disposed below, a cheaf sieve is provided above the swing sorting body. The fins that form this cheef sieve are spread over the entire length and width from the lower part of the handling chamber to the lower part of the processing chamber. Have the same length.

However, the fins provided on the cheaf sheave have the property that even if they are inclined at the same pitch and the same angle, if the length is short, the leakage of the grains will be good, but the straw will also easily leak, If the fins of the cheaf sheave are made the same length over the entire length and width, the sorting net (leakage sorting body) that forms the latter stage of the transfer sorting plate faces the lower part of the processing chamber. Straw that leaked from the chamber passed between the fins and pierced the leaking sorter that forms the latter stage of the transfer sorting plate, causing clogging of the leaking sorter, and clogging of the leaking sorter. There was a problem that the leakage of grain was hindered and the selection was deteriorated.

Therefore, the present invention has been made in view of the above-mentioned conventional circumstances in order to solve the problem, and by providing a leak suppressor composed of a long fin in the cheaf sheave at the lower part of the processing chamber. The object of the present invention is to provide a sorting device for a thresher that can prevent clogging of a leaking sorting body.

[Means for solving problems]

The present invention which achieves the above object is provided with a processing chamber in which a processing cylinder is built in, extending from a dust inlet opening on the side of the handling chamber to the side of the dust sorting chamber behind the handling chamber. In a thresher with a swinging sorting body having an upper tier sheave and a lower sorting plate and a transport sorting plate consisting of a leak sorting unit from the bottom to the dust sorting chamber, The leakage prevention part is composed of long fins.

[Action]

Therefore, the handling chamber 2 and the processing chamber 34 are provided, and the upper tier sheave 9 extends from the lower side of the handling chamber 2 to the dust sorting chamber 7.
Transfer sorting plate 14 including lower transfer plate 12 and leakage sorting body 13
Even in the thresher in which the swing sorting body 15 having the above is installed, by providing the leakage suppressing section 11 constituted by the fin 9b having a long length N in the cheaf sheave 9 below the processing chamber 34, The straw that has leaked from 34 is prevented from passing between the long fins 9b of the leak suppressor 11 and sticking to the leak selecting body 13 located below.

Since the entire cheaf sheave 9 except for the lower portion of the processing chamber 34 is constituted by the fins 9a having a short length, the grain removing shed from the handling chamber 1 is not suppressed and the transfer sorting plate is not suppressed.
14 efficiently leaked onto.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

A handling barrel shaft 2 rotatably supported in the handling chamber 1 is provided with a handling barrel 3 including a front portion low speed handling barrel 3a and a rear high speed handling barrel 3b. Feed chain 4 and pinch rail 5 on the outside of the handle
A grain culm sandwiching and transporting mechanism is provided, and the transporting end of the grain culm sandwiching and transporting mechanism is communicated with the start end side of a straw transporting mechanism 18 that transports threshed straw to the outside of the machine.

An oscillating sorting body 15 is erected so as to be able to swing back and forth and up and down in a region extending from below the receiving net 6 to a dust sorting chamber 7 which will be described later. The oscillating sorting body 15 includes an upper chaff sheave 9 and
It is composed of a lower corrugated transfer plate (transfer plate) 12 and a transfer and selection plate 14 composed of a selection net (leakage selection body) 13.

The blowout port 16a of the first Shirotsuko fan 16 is opened between the tie sheave 9 and the corrugated transfer plate 12 of the swing selection body 15, and the selection wind from the second Shirotsuko fan 17 is provided below the selection net 13. The first selection air passage 19 that blows through is formed, and the lower end of the air passage 19 is rocked together with the swing selection body 15 and the tip is opposed to the end of the selection net 13 with the upper end spaced apart. The shed return plate 20 is provided, and the first spiral 22 is provided in the first trough 21 provided in the airframe below the air passage 19.

The first-grade grain plate 23 provided on the lower body of the first-grade grain return plate 20
At the lower end of the tip, there is formed a second object selection air passage 25 through which the selection air from the third Shirotsuko Juan 24 passes, and a second object spiral 26 provided in the airframe below the air passage 25 is provided with a second object spiral 27. Is provided.

A second sorter 30 including a second transport plate 29 and a stroller rack 31 that swing together with the swing sorter 15 is disposed behind the first grain return plate 20. An upper part of the object sorting body 30 is formed in the dust sorting chamber 7, and the dust sorting chamber 7 is communicated with the suction side of the suction fan 32 arranged on the side of the machine body.

A processing chamber 34 is provided in the handling chamber 1 extending from the side dust opening 33 to the side of the dust sorting chamber 7 behind the handling chamber 1. A processing cylinder 35 is installed in the processing chamber 34, and a second material transfer plate 29 of the second material sorting body 30 of the dust collection chamber 7 is provided from below the handling chamber 1.
The upper sheave 9 extending over the upper side has a corrugated transfer plate 8 on the base end side, and a fin 9a corresponding to the upper portion of the corrugated transfer plate 12 connected to the transfer plate 8 and having a short length n. It is composed of the formed leaky portion 10, and this leaky portion 10 is extended to above the second sorter 30.

Then, at a position which is connected to the side of the leaked portion 10 and corresponds to only the lower portion of the net 36 of the processing chamber 34, a fin sheave 9 is formed by forming a long length N.
The leak suppressing section 11 is configured such that the joint between the leak suppressing section 11 and the leak lower section 10 has a linear shape over the entire length of the upper surface of the cheef sheave 9 and the lower end of the long fin 9b. It is joined so as to project downward, and this joint portion is joined by a partition plate 39 that extends in the front-rear direction and partitions the leak lower portion 10 and the leak suppression portion 11 in the left-right direction, and inside this partition plate 39. Has a partition plate 38 in the up-and-down direction, which is positioned laterally apart from a receiving net 36 stretched in the processing chamber 34, and the processed material leaking through the receiving net 36 is treated by the processing cylinder 35. It is configured so that it will not be scattered to the leak lower part 10 by the wind.

The processing cylinder 35 described above is provided with processing teeth 37 on the outer periphery thereof, and an auger in which the front inclined portion has a small diameter.
40, the processing cylinder shaft 41 is driven from the input shaft 44 via the universal joint 43,
The straw dust that has not been leaked through the receiving net 36 and has been treated in step (1) is discharged from the discharge port 45 into the dust sorting chamber 7.

In the threshing machine S configured as described above, the root portion of the grain culm is sandwiched and transported by the feed chain 4 and the sandwiching rail 5,
When the spikes are inserted into the handling chamber 1 through the supply port, the grains and small straw debris that have been threshed by the handling barrel 3 fall from the net 6 onto the corrugated transfer plate 8 and the leak bottom 10 of the cheaf sheave 9. It moves to the rear end while being screened, but what leaks from between the fins 9a of the leak part 10 moves to the selection net 13 while being selected by specific gravity by the corrugated transfer plate 12 to perform wind selection and sieve selection. The first grain received will fall into the first gutter 21.

On the other hand, the grain-removed residue remaining on the cheaf sheave 9 is thrown from the rear end onto the second picker 30 and merged with the straw waste containing the second one transferred from the rear end of the sorting net 13 to the straw rack 31. No. 2 is sorted, the No. 2 falls into the No. 2 receiving trough 26, and the straw waste is discharged from the suction fan 32 to the outside of the machine.

Then, long straws, cuttings, etc. generated in the handling room 1 are dust outlets.
From 33 to the processing chamber 34, after being fed by the auger 40 and then processed by the processing teeth 37 of the processing body 35, the grains and straws leak from the receiving net 36, but they leak from the receiving net 36. The straw in the processed material has a pitch and a fin 9a forming the leaking part 10, and the leak suppressing portion of the cheaf sheave 9 formed by the fin 9b having substantially the same inclination angle and a long length N only.
Since the downward passage is blocked by 11, the clogging of the sorting net 13 caused by the straw from the processing chamber 34 piercing the sorting net 13 at the lower portion can be effectively prevented. At this time, the fins on the entire surface of the chaff sheave 9 excluding the lower part of the processing chamber 34 are the leakage portions formed by the fins 9a having a short length n.
Since the grain size is 10, the grain loss that has leaked from the handling room 1 efficiently leaks onto the transfer sorting plate 14 without being suppressed.

That is, the cheaf sheave 9 provided only in the lower portion of the processing chamber 34.
Leakage suppression portion 11 has a property that the fins provided on the cheak sheave have substantially the same pitch, and even if the fins are inclined at substantially the same angle, the resistance increases as the length increases and the leakage of kernels and straw is suppressed. The fins 9a are formed so that the length N of the fins 9a is longer than the length n of the fins 9a forming the leaked part 10.

Further, the straw debris transferred to the rear part of the processing chamber 34 is thrown from the discharge port 45 toward the suction fan 32 onto the second selection body 30, and during that time, specific gravity selection and wind selection are performed.

In addition, the first Shirotsuko Juan 16, which supplies the sorting air between the upper tier sheave 9 and the transfer sorting plate 14, the first sorting air passage 19
No. 2 Shirotsuko Juan 17 which supplies the sorting air to No. 2 and No. 3 Shirotsuko Juan 24 which supplies the sorting air to No. 2 sorting air passage 25
By providing each separately, it becomes possible to select a Shirotsuko Juan with wind force that is suitable for the selection of that part,
It is possible to eliminate the loss of splitting a single fan into multiple air passages as in the conventional case.

[Effect of device]

As described above, the present invention is provided with a handling chamber and a processing chamber, and from the lower side of the handling chamber to the dust sorting chamber, a transfer sorting consisting of an upper tier sieve, a lower transport plate and a leakage sorting body. Even in a thresher equipped with an oscillating sorter having a plate, a cut-off that has leaked from the processing chamber is provided by providing a leakage suppression section formed by a long fin in the cheaf sheave below the processing chamber. Prevents the straw from passing through the long fins of the leak suppressor and sticking to the leaking sorter located below, and the clogging of the leaking sorter caused by the cut straw sticking to the leaking sorter. It can be effectively prevented.

Since the cheaf sheave except for the lower part of the processing chamber is constituted by the fin having a short length, the grain removal leaked from the handling chamber can be efficiently leaked onto the transfer sorting plate without being suppressed.

[Brief description of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is a vertical sectional side view of a thresher, Fig. 2 is a cross-sectional plan view of the thresher, and Fig. 3 is a vertical front view of the thresher. S ... Thresher, 1 ... Handling room, 6 ... Receiving net, 7 ... Dust sorting room, 9 ... Cheaf sheave, 9a ... Fin with short length,
9b …… Long fin, 10 …… Cheaf sheave leakage, 11 …… Cheaf sheave leakage control unit, 12 …… Transfer plate (corrugated transfer plate), 13 …… Leakage sorter (sorting mesh) ,14……
Transfer sorting plate, 15 …… Swing sorting body, 33 …… Dust inlet, 34 ……
Processing room, 35 ... Processing cylinder.

Claims (1)

[Scope of utility model registration request] 1. A processing chamber, in which a processing cylinder is built in, extends from a dust outlet opened in a side portion of the handling chamber to a side portion of a dust collection chamber behind the handling chamber, and dust is discharged from below the handling chamber. In a thresher having an oscillating sorting body having an upper tier sheave across the sorting chamber and a lower sorting plate and a transfer sorting plate consisting of a leaking sorting body, a long fin is installed in the lower portion of the processing chamber. A threshing machine sorting device provided with a leakage suppression unit.