JP3396979B2 - Threshing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing apparatus such as a combine or a harvester. 2. Description of the Related Art In a conventional threshing apparatus such as a combine or a harvester, a processing chamber in which a processing cylinder is mounted on one side of a processing chamber in which a processing cylinder is mounted, a processing chamber in which a processing cylinder is mounted is provided. In this case, a threshing material that falls from the handling room and the dust treatment chamber is all dropped on the swinging shelf and sorted. [0003] In the threshing apparatus such as a combine or a harvester as described above, when the amount of cereal stalks to be supplied increases, the threshing falls from a handling room or a dust treatment chamber onto a swinging shelf. If the threshing material is increased and exceeds the transfer capacity of the rocking shelves, there is a disadvantage that the threshing materials are piled up and clogged, and the rocking shelves and the transmission system thereof are damaged. The present invention is intended to solve such a problem. A threshing apparatus such as a combine or a harvester according to the present invention solves the above-mentioned problems and has the following configuration. That is, in the threshing apparatus having the above-described configuration, when the dust receiving straw rack 16 for receiving threshing material falling from the handling chamber 1 and the dust processing chamber 6 is provided, the dust receiving straw rack 16 is attached to the swinging shelf 7. It is fixed and arranged above the chaff sheave 7b, and is provided from the rear lower part of the handling chamber 1 to the lower part of the dust processing chamber 6, and furthermore, the end of the dust receiving straw rack 16 is attached to the straw rack 7c of the swinging shelf 7. A threshing apparatus characterized in that it is configured to face the suction port 17a of the cross flow fan 17 arranged above. When a part of the thresh in the handling room 1 reaches the opening communicating portion A from the lower side of the handling room 1, it is taken in by the transfer means 9 of the processing cylinder 3, and the upper outer periphery of the processing cylinder 3 The threshing material is sent into the processing chamber 4 via the surface, and the remaining thresh is similarly transferred to the threshing end side in the handling chamber 1 by the action of the scraping processing means 11 of the processing cylinder 3. It passes through the opening communication part A from the lower side of the handling chamber 1 and is taken into the processing chamber 4 via the upper outer peripheral surface of the processing cylinder 3. In this way, the thresh taken into the processing chamber 4 is threshed while being transported to the end side, and falls onto the swinging shelf 7. Thresh that did not fall,
By the action of the discharging means 12 provided at the end of the processing cylinder 3, threshing material discharged from the opening communication portion A toward the upper side in the feeding direction in the handling room 1 and transferred in the handling room 1 Join. The combined thresh is further threshed while being transported further to the terminal side in the handling room 1. The thresh transferred to the terminal side in the handling room 1 is
From the opening communication part B, it is taken into the dust treatment chamber 6 by the transfer means 14 provided at the front end of the dust treatment cylinder 5,
While being transported and diffused while being threshed to the terminal end side, it leaks down the lower net portion of the dust treatment chamber 6 and falls onto the swinging shelf 7. With such a threshing apparatus, a dust receiving straw rack 16 for receiving threshing material falling from the handling room 1 and the dust processing chamber 6 is provided.
Is provided from below the rear of the handling chamber 1 to below the dust treatment chamber 6, and the end of the dust receiving straw rack 16 is provided facing the suction port 17 a of the cross flow fan 17. The thresh falling from the chamber 1 and the discharge port of the dust processing chamber 6 is received by the dust receiving straw rack 16, and is rocked and sorted while being transferred to the lower side in the sorting wind feeding direction. The thresh transferred to the end of the dust receiving straw rack 16 is sucked by the cross flow fan 17 and discharged out of the machine, and the unthreshed thresh falls on the swinging shelf 7 below. Due to the swinging operation of the swinging shelf 7, the swinging shelf 7 is further sorted rearward while being transported backward, and is discharged outside the machine. FIG. 1 to FIG. 4 show a threshing apparatus having an embodiment of the present invention. Reference numeral 18 denotes a threshing machine such as a combine or a harvester, and a handling room 1 is provided at an upper front side in the threshing machine 18, and a handling drum 2 is mounted in the handling chamber 1 by a handling drum shaft 2a. . Reference numeral 19 denotes a feed chain for supplying cereals to the handling room 1. A handle cylinder receiving net 15 is disposed below the handle cylinder 2 and threshing occurs due to the interaction between the teeth 2b of the handle cylinder 2 and the handle cylinder receiving net 15, and an oscillating wind is provided below the handle cylinder receiving net 15. The selection device 20 is arranged. The structure of the swing shelf 7 which forms a part of the swing wind selection device 20 will be described. A transfer shelf 7 for transferring the fallen threshing material backward from the front to the rear of the swinging shelf 7.
a, a chaff sheave 7b, and a straw rack 7c. Next, when threshing from the handling room 1 falls on the transfer shelf 7a of the swinging shelf 7, the threshing is sorted to the rear end side due to the swinging of the swinging shelf 7 in the front-rear direction. Be transported.
The thresh that has not fallen falls from the terminal end of the handling cylinder 2 onto the chaff sheave 7b, and is sorted by the rocking operation and the wind selection action from Karamin 21 while the rear straw rack 7
c and is discharged out of the machine from the rear end of the straw rack 7c. The dust having a low specific gravity is discharged by the cross flow fan 17. A part of the thresh in the handling room 1 is transferred by a transfer means 9 having a rear thrust provided on the outer periphery of the front end of the processing cylinder 3.
It is provided by the partition 13 and is taken into the processing chamber 4 through the opening communication part A, which communicates between the handling chamber 1 and the processing chamber 4. The transfer means 9 has a spiral shape surrounding the outer circumference of the processing cylinder 3 in this embodiment. In addition, the remaining thresh is scraped by the scraping processing means 11 provided at the front of the processing cylinder 3.
Is taken into the processing chamber 4 through the front opening communicating portion A. In this embodiment, the scraping processing means 11
Has a rod shape and is planted on the outer periphery of the processing cylinder 3.
The thresh taken into the processing chamber 4 in this manner is removed by the cutting blade 22 provided in the processing chamber 4 and the scraping processing means 11.
And the processing means 10 and the processing cylinder receiving net 23
Due to the interaction with the above, threshing is performed while being cut, and the cut thresh is dropped on the transfer shelf 7a on the swinging shelf 7 and sorted while being transferred rearward.
The thresh transferred to the rear while undergoing the above-described processing action in the processing chamber 4 is discharged from the lower side of the processing cylinder 3 by the discharge means 12 provided at the rear of the processing cylinder 3 to the opening communication port A at the rear end. And is fed toward the upper outer peripheral surface of the handling drum 2 in the front direction of the handling chamber 1. In this embodiment, the release means 12 is used.
Is a spiral shape surrounding the outer periphery of the processing cylinder 3, but other shapes such as a propeller may be provided on the outer periphery of the processing cylinder 3. As described above, a part of the thresh generated in the handling room 1 is put into the processing room 4 from the handling room 1 and processed, and the remaining thresh is returned to the handling room 1 again.
As shown in FIG. 3, the flow of the thresh becomes a trajectory along the direction of a substantially horizontal eight-shaped arrow in front view or rear view. The thresh returned to the handling chamber 1 from the processing chamber 4 as described above is returned to the handling chamber 1 in a form in which the thresh is returned to the front side opposite to the backward transfer when viewed from a plane. At the front of the handling room 1, the threshing material that has not been taken into the processing chamber 4 is merged with the threshing material, and is further transported to the rear of the handling room 1 while being subjected to threshing. The thresh transferred to the rear of the handling chamber 1 is taken into the dust processing chamber 6 from the opening communication part B by the transfer means 14 provided at the front end of the dust processing cylinder 5,
It is transported to the rear and falls on the swinging shelf 7 while being diffused. In this embodiment, the transfer means 14 has a spiral shape surrounding the outer periphery of the dust treatment cylinder 5. The thresh taken into the dust treatment chamber 6 by the transfer means 14 is discharged onto the swinging shelf 7 below from the rear end opening 6a extending rearward from the end of the handling chamber 1. Is done. The thresh released onto the rocking shelf 7 is transferred to the rear straw rack 7c while being sorted by the rocking operation and the sorting wind from Karamino 21, and is discharged out of the machine from the rear end of the straw rack 7c. Is done. The dust having a low specific gravity is discharged from the cross flow fan 17. As described above, the thresh in the handling room 1 that has not been taken into the dust treatment chamber 6 is similarly discharged onto the swinging shelf 7. The released thresh is transported to the straw rack 7c at the rear while being sorted by the sorting operation from Karino 21 for shaking operation and the straw rack 7c.
c is discharged out of the machine from the rear end. The dust having a low specific gravity is sucked and discharged from the cross flow fan 17. The transfer shelf 7 which forms a part of the swinging shelf 7 from the handling room 1 and the processing room 4 by the above-described threshing operation.
The threshing material that has fallen to a is transferred rearward by the transfer shelf 7a due to the swing of the swing shelf 7. By the wind selection from Karamin 21, straw debris passes above the chaff sieve 7b,
It is sent to the cross flow fan 17 and the straw rack 7c at the rear. The selected and leaked paddy is taken into the first helix 24 and collected through the first fryer cylinder 25 by the wind selection operation and the swing operation of the swing shelf 7. Despite the above-mentioned operation, the thresh remaining on the chaff sheave 7b is transferred to the rear end of the chaff sheave 7b and further transferred to the straw rack 7c. Meanwhile, chaff sieve 7
From the vicinity of the end of b or from the straw rack 7c, the residual processed material mixed with branch stalks leaks and is taken into the second spiral 26 as the second processed material. The residual processed material that has not leaked is discharged out of the machine by the cross flow fan 17 or transferred to the end of the straw rack 7c and discharged out of the machine.
The second processed product taken into the second spiral 26 is returned to the transfer shelf 7a which forms a part of the swinging shelf 7 again via the second fried grain 27. The second processed material may be returned to the handling room 1 or the processing room 4. With the above-described configuration of the threshing machine 18, high-speed and high-efficiency threshing and sorting can be performed.
The threshing machine 18 is provided with a dust receiving straw rack 16 for receiving threshing material falling from the handling chamber 1 and the dust processing chamber 6. The dust receiving straw rack 16 is fixed to the swinging shelf 7 and is disposed above the chaff sheave 7 b. Further, the dust receiving straw rack 16 is provided from below the rear of the handling chamber 1 to below the dust processing chamber 6. Further, the terminal end faces the suction port 17a of the cross flow fan 17. The dust receiving straw rack 16 receives a part of the thresh falling from the rear of the handling room 1 and from the dust processing chamber 6, that is, straw waste or long culm, and receives it. The discharged dust is transported to the lower side in the sorting wind feeding direction by the sorting wind from the rocking operation and Karin 21. Dust tray straw rack 16
The light dust among the dust transferred to the end of the cross-flow fan 17 is sucked by the suction action of the cross flow fan 17 and discharged out of the machine. The heavy dust, which has not been sucked, falls from the end of the dust receiving straw rack 16 onto the straw rack 7c. The dust dropped on the straw rack 7c merges with the dust sent from the front chief sheave 7b, and then, for the swinging operation of the swinging shelf 7,
The air is transported further backward and discharged outside the machine by the sorting wind. As described above, the dust receiving straw rack 16
Is provided, the amount of dust falling on the chaff sheave 7b is reduced, so that clogging can be prevented, the sorting ability can be maintained, and the rocking shelf 7 can be prevented from being damaged. In particular, it is effective when a large amount of grain culm is thrown into the threshing machine 18. Next, a configuration is adopted in which the terminal end portion 5a of the dust discharge processing cylinder 5 faces above the cross flow fan 17. In addition, at the terminal end portion 5a of the dust discharge processing cylinder 5, the casing 28 covering the upper part of the cross flow fan 17 is cut out,
a notch portion 28a is provided in the notched portion 28a.
Is located. Conventionally, such a configuration has not been adopted, so that all the thresh in the dust treatment chamber 6 has fallen on the swinging shelf 7 below. Barely, some of the dust having a low specific gravity may cause the cross flow fan 1
7, and was discharged out of the machine. By arranging the end portion 5a of the dust treatment cylinder 5 as described above, a large amount of dust in the dust treatment chamber 6 is sucked by the suction of the cross flow fan 17 and is discharged outside the machine. It is discharged to. As a result, the amount of dust falling from the inside of the dust processing chamber 6 onto the swinging shelf 7 is reduced.
There is no clogging, and the second sorting stored in the second spiral 26 is good. Also, the small amount of dust falling on the swinging shelf 7 means that the sorting wind from the Karamin 21 may be weak, so that the grains existing together with the dust on the swinging shelf 7 may be used. That is, the so-called sari grains are not blown off by the sorting wind, so that the third loss is reduced. With the above configuration, the amount of thresh on the swinging shelf 7 is reduced, so that it is possible to prevent the sorting ability from being reduced and the swinging shelf 7 from being damaged without clogging. According to the present invention constructed as described above, threshing material falling from the handling room 1 and the dust treatment chamber 6 swings while being reduced in a small amount via the dust receiving straw rack 16. Shelf 7
Fall on. Therefore, the amount of threshing material falling on the swinging shelf 7 is reduced, so that the threshing does not become clogged, so that the sorting ability can be reduced and the swinging shelf 7 can be prevented from being damaged.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a threshing apparatus. FIG. 2 is a plan view of a threshing apparatus. FIG. 3 is a rear view of the threshing apparatus. FIG. 4 is a front view of the threshing apparatus. Communication section B Opening communication section 1 Handling room 2 Handling cylinder 2a Handling cylinder shaft 2b Handling teeth 3 Processing cylinder 4 Processing chamber 5 Dust processing cylinder 5a End portion 6 Dust processing chamber 6a Rear end release section 7 Swing shelf 7a Transfer shelf 7b Chief sheave 7c Straw rack 8 Sorting room 9 Transfer means 10 Processing means 11 Scraping processing means 12 Release means 13 Partition body 14 Transfer means 15 Handling cylinder receiving net 16 Dust receiving straw rack 17 Cross-flow fan 17a Suction port 18 Threshing machine 19 Feed chain 20 Oscillating air selection device 21 Karamin 22 Cutting blade 23 Processing body receiving net 24 First spiral 25 First deepest grain 26 Second spiral 27 Second deepest grain 28 Casing 28a Notch

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01F 12/32

Claims (1)

(57) [Claims 1] One side of a handling room 1 equipped with a handling drum 2 for threshing while transporting grain stalks in the axial direction, a processed material in the grain stalk feeding direction upper side. A processing chamber 4 in which a processing cylinder 3 for processing while transporting the water backward is provided, and a dust processing chamber 6 in which a dust processing cylinder 5 is provided on the lower side in the grain stalk feeding direction are provided in parallel. , The handling chamber 1, the processing chamber 4, and the dust processing chamber 6
A separation chamber 8 in which a swinging shelf 7 is installed is provided below the opening, and an opening communicating portion A divided into a plurality of sections in the front-rear direction is formed between the handling chamber 1 and the processing chamber 4. The transfer means 9 provided on the upper transfer side for transferring the object to be processed to the rear, and the processing means 1 located on the lower transfer side of the transfer means 9
0, scraping processing means 11 are disposed, respectively, and discharge means 12 for discharging an object to be processed toward the starting end in the handling chamber 1 through the opening communication part A is provided at the end of the processing cylinder 3. An opening communicating part B is formed between the dust processing chamber 6 and the handling chamber 1 by a partition 13 so as to be forward and backward. A threshing device provided with a transfer means 14 for taking in from B and transferring to the terminal side,
In providing the dust receiving straw rack 16 for receiving threshing material falling from the handling room 1 and the dust processing chamber 6, the dust receiving straw rack 16 is fixed to the swinging shelf 7 and arranged above the chaff sheave 7b. At the same time, the cross flow fan 17 is provided from below the rear of the handling chamber 1 to below the dust treatment chamber 6, and furthermore, the end portion of the dust receiving straw rack 16 is arranged on the straw rack 7 c of the swinging shelf 7. Suction port 17a
Threshing apparatus characterized in that the threshing apparatus is arranged so as to face.