JPH0884523A - Thresher - Google Patents

Abstract

PURPOSE: To extract sticking grains by further taking straws and dusts treated with the first dust-discharging cylinder into the second dust discharging cylinder and diffusing and decomposing the straws and dusts in a thresher providing a treating cylinder and the first dust discharging cylinder on one side of a threshing cylinder. CONSTITUTION: This thresher such as combine is provided by providing the second discharging cylinder 15 for taking a material to be treated dropping from the first discharging chamber 6 therein and further diffusing the material to be treated while transferring to the lower side in grain culms feeding direction and feeding the diffused material onto the oscillating shelf 7 in the second dust-discharging chamber 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of threshing equipment such as combine harvesters and harvesters.

[0002]

2. Description of the Related Art A conventional threshing device such as a combine is provided with a processing cylinder and a first dust removal processing cylinder on one side of a handling cylinder. This is a configuration that is performed by the dust processing cylinder.

[0003]

DISCLOSURE OF INVENTION Problems to be Solved by the Invention The threshing apparatus such as the combine described above has the following drawbacks. Among the objects to be threshed at the end with the first dust treatment cylinder,
So-called clam grains are still mixed, and even if the object to be treated in which the clam grains are mixed is rocked and sorted on the rocking shelf,
I was able to take out only a part of it, and most of it was ejected from behind from the aircraft. The present invention is intended to solve such a problem.

[0004]

A threshing apparatus such as a combine according to the present invention solves the above problems and has the following configuration. That is, with the threshing device having the above-mentioned configuration, the object to be treated that has fallen from the first dust treatment chamber 6 is taken in, further diffused while being transferred to the lower side in the grain culm feeding direction, and is supplied onto the rocking rack 7. Second dust processing cylinder 15
Was provided in the second dust treatment chamber 17 to provide a threshing device such as a combine.

[0005]

The grain culm transported by the grain culm transporting device 16 is threshed by the handling cylinder 2, and a part of the processed products is dropped and sorted on the lower swing shelf 7. The remaining part of the processed material is taken in from the opening communication portion A1 at the start end of the processing chamber 4 by the centrifugal force of the handling cylinder 2 and the transfer means 9 provided in the processing cylinder 3, and then the subsequent opening communication. From the portion A2, the centrifugal force of the handling cylinder 2 and the scraping processing means 11 provided on the processing cylinder 3 take the particles into the processing chamber 4. The processed product taken into the processing chamber 4 is threshed while being transferred to the rear, and part of the processed product falls on the rocking shelf 7. The processed material transferred to the end in the processing chamber 4 is returned to the starting end side in the processing chamber 1 from the opening communication portion A3 again by the action of the centrifugal force of the processing cylinder 3 and the action of the discharging means 12, and the processing is performed. It merges with the transferred products in the chamber 1, and the handling chamber 1
It is transported while threshing to the inner end. In the meantime, some of the processed products fall to the lower rocking shelves and are sorted. The processed material transferred to the end of the handling room 1 is
From the opening communication portion B formed between the handling chamber 1 and the first dust treatment chamber 6, the centrifugal force of the handling barrel 2 and the transfer means 14 provided on the first dust treatment chamber 5 are used to It is taken into the single dust processing chamber 6. The processed matter taken into the first dust treatment chamber 6 is transferred rearward while being diffused. In the meantime, some of the processed products are dropped and sorted on the lower rocking rack 7, and the processed products transferred to the end of the first dust treatment chamber 6 are dropped downward. This processed material is taken into the second dust processing chamber 17 that houses the second dust processing cylinder 15, is diffused and decomposed while being transferred to the rear, and the clam grains are extracted from the straw wastes, and the rocking rack. 7 is dropped onto the rocking rack 7, and is sorted on the swing shelf 7. The dust after sorting is discharged from the rear to the outside of the machine.

[0006]

1 to 4, there is shown a threshing device equipped with an embodiment of the present invention. 19 is a threshing machine such as a combine harvester or a harvester.
The handling barrel 2 is mounted in the handling chamber 1 by a handling barrel shaft 20. Reference numeral 16 is a grain culm transporting device for supplying grain culms to the handling room 1. Below the handling barrel 2 is a handling barrel receiving net 21.
Is disposed, and threshing is caused by the interaction between the handling teeth 22 of the handling barrel 2 and the handling barrel receiving net 21, and a swinging air selecting device 38 is disposed below the handling barrel receiving net 21.

The structure of the rocking rack 7 forming a part of the rocking wind selecting device 38 will be described. A transfer shelf 7 for transferring the fallen processed material to the rear from the front of the rocking shelf 7 to the rear.
a, a Glen sheave 7b, a chaff sheave 7c, and a Straw rack 7d. Next, the transfer shelf 7a of the swing shelf 7
In addition, when the processed product drops from the handling chamber 1, the processed product is transferred to the rear end side while being sorted due to the rocking of the rocking rack 7 in the front-rear direction. The processed material that has not fallen from the handling chamber 1 falls from the end portion of the handling barrel 2 onto the Glensieves 7b and the chaff sheaves 7c, and is sorted by the swinging action and the wind-selecting action from the Karako 23, while the rear Straw rack is selected. 7d
To the outside of the machine from the rear end of the Straw rack 7d. The dust having a low specific gravity is discharged from the cross flow fan 24.

A part of the processed material in the handling chamber 1 is a transfer means 9 (hereinafter referred to as a spiral transfer body) having a centrifugal force of the handling cylinder 2 and a rear thrust provided on the outer periphery of the front end of the processing cylinder 3. Thus, it is taken in through the opening communication portion A1 which is provided by being partitioned by the partition body 25 and which communicates between the handling chamber 1 and the processing chamber 4, and is taken into the processing chamber 4 from below the handling cylinder 2. . As for the remaining processed products, the centrifugal force of the handling cylinder 2 and the scraping processing means 11 (hereinafter referred to as a processing rod) provided in the front part of the processing cylinder 3 are the same as described above.
By the action of, etc., it passes through the subsequent opening communication portion A2 and is taken into the processing chamber 4 from the lower side of the handling cylinder 2. The processed material thus taken into the processing chamber 4 receives a high processing action due to the interaction between the cutting blade 26 provided in the processing chamber 4 and the processing rod 11, and is further cut while being further processed. The threshing process is performed by the interaction with the receiving net 27, and the processed product drops to the transfer rack 7a on the rocking rack 7 and is transferred to the rear side for sorting. The processing object transferred to the rear while receiving the processing action in the processing chamber 4 has its flow stopped by the partitioning body 13, and the discharging means 12 provided at the rear portion of the processing cylinder 3.
(Hereinafter, referred to as “spiral emitter”) passes from the lower side of the processing cylinder 3 through the opening communication port A3 at the rear end, toward the front outer side of the processing chamber 1 toward the upper outer peripheral surface of the processing cylinder 2. Sent in.
In this way, a part of the processed products generated in the handling chamber 1 is put into the processing chamber 4 from the handling chamber 1 and processed, and then the remaining processed products are returned to the handling chamber 1 again. The flow of this processed product is
As shown in FIG. 4, in a front view or a rear view, the locus follows a direction of a substantially 8-shaped arrow.

As described above, the object to be processed, which is returned from the inside of the processing chamber 4 to the inside of the handling chamber 1 through the opening communication portion A3, is returned to the upper side opposite to the lower side transfer when seen in a plan view. Is returned to the handling room 1 at the front of the handling room 1, merges with the processed material not taken into the processing room 4 at the front of the handling room 1, and is further transferred to the rear of the handling room 1 while threshing. . In the meantime, a part of the processed products fall on the rocking rack 7 and are rocked. The processed material transferred to the rear of the handling chamber 1 is provided at the front end portion of the dust treatment cylinder 5 from the opening communication portion B formed between the handling chamber 1 and the first dust treatment chamber 6. Transfer means 14
By (hereinafter, referred to as a spiral transfer body), the particles are taken into the first dust processing chamber 6 and are transferred to the rear and are dropped on the rocking rack 7 while being diffused. In addition, as described above, from the end portion of the handling chamber 1 through the opening communication portion B, the first dust treatment chamber 6
The processed material that has not been taken into the inside is discharged from the handling chamber end portion 1 a onto the swing shelf 7. The discharged processed product is transferred to the rear Straw rack 7d while being sorted by the swinging action and the sorting wind from the Karako 23.
It is discharged from the rear end of d. The dust having a low specific gravity is discharged from the cross flow fan 24.

The treated matter taken into the first dust treatment chamber 6 by the spiral transfer body 14 extends downward from the rear end opening 6a extending downward from the end of the handling chamber 1. It is further taken into the second dust treatment chamber 17 having the second dust treatment cylinder 15. The processed matter taken into the second dust treatment chamber 17 is transferred to the lower side by the spiral 15a, diffused and decomposed by the interaction between the second dust treatment cylinder receiving net 28 and the treatment body 29, and is moved downward. Falling on the rocking shelf 7 of. All the processed materials transferred to the end in the second dust processing chamber 17 drop from the opening 30 at the end to the rocking rack 7 to prevent clogging. The rotation direction of the second dust treatment cylinder 15 is the same as that of the treatment cylinder 3 as shown in FIG. This is because when the processed matter is returned from the inside of the second dust treatment chamber 17 to the swinging rack 7, the centrifugal force of the second dust handling cylinder 15 effectively brings it to the vicinity of the central portion on the swinging rack 7. This is to give back. In this way, the processed matter transferred in the first dust treatment chamber 6 is further transferred to the second dust treatment chamber 17
Since it is diffused and decomposed in the inside, so-called clam grains mixed in the lumpy straw waste are extracted, and the sorting accuracy is improved. The extracted clam grains drop together with the straw wastes on the rocking shelf 7 and are subjected to rocking wind selection, and are taken into the second spiral 33.

As shown in FIG. 3, in the transmission of the second dust removal processing cylinder 15, power is obtained from the cross flow fan 24 through the bevel gear 35 and the bevel gear 36 in the present embodiment, but the handling cylinder shaft 20 may be transmitted from the processing cylinder shaft 3a or the like, and it may be transmitted from anywhere as long as it has no functional or performance problem. By the threshing treatment operation described above, the transfer rack 7 forming a part of the swing rack 7 from the handling chamber 1 or the processing chamber 4.
The processed product that has dropped to a is transferred to the rear by the transfer rack 7a due to the rocking of the rocking rack 7. By the wind-selecting action from the Karato 23, the straw debris passes above the Glen Sieve 7b and the Chaff Sieve 7c and is sent to the rear cross flow fan 24 and the Straw rack 7d. The rice that has been selected and leaked by the wind selecting action and the swinging action of the swinging shelf 7 is taken into the first helix 31 and collected via the first deep-fried grain cylinder 32, and temporarily stored in a grain tank or the like. Or recovered from the hopper. In addition, despite the above action, the Glen sieve 7b
The processed material remaining on the chaff sheave 7c is transferred to the rear end of the chaff sheave 7c, and is further transferred to the straw rack 7d.
Will be transferred to. In the meantime, the residual processed product in which the branching grains are mixed leaks out from the vicinity of the end of the chaff sheave 7c and the Straw rack 7d, and is taken in as the second processed product to the second spiral 33. The residual processed material that has not leaked is discharged to the outside by the cross flow fan 24 or is transferred to the end of the straw rack 7d and discharged to the outside of the machine.

Next, the reduction of the second processed product taken into the second spiral 33 will be described with reference to FIG. The second processed product taken into the second spiral 33 is the second fried cylinder 3
4 is returned to the second-only processing cylinder 37 which is coaxial with the second dust processing cylinder 15 and is provided in the front. Since the second-purpose processing cylinder 37 is coaxial with the second dust-removing processing cylinder 15 and rotates in the same direction, the spiral 37a is provided so as to perform the threshing process while sending the second-processed material to the upper side. . The second-treated product is threshed while being transferred to the skillful side by the spiral 37a, so that the agate shoot particles, which are mostly contained in the second-treated product, are eliminated, and the threshing performance is improved. The threshing-processed second product falls on the rocking shelf 7, is subjected to the rocking wind selection action, is sorted, and is first recovered from the helix 31.

According to the above-mentioned structure, since the clam grains are extracted from the lumpy straw waste, the sorting accuracy is improved.

[0014]

Since the present invention is configured as described above, the object to be treated is sent from the first dust treatment cylinder 5 to the second dust treatment cylinder 15 and further diffused and decomposed. Clam particles mixed in the processed material are extracted from the straw wastes, and the sorting accuracy is improved.

[Brief description of drawings]

FIG. 1 Left side view of thresher

[Fig. 2] Front view of the thresher

[Fig. 3] Plan view of the thresher

[Figure 4] Rear view

[Explanation of symbols]

A1 Opening communication part A2 Opening communication part A3 Opening communication part B Opening communication part 1 Handling room 1a Handling room terminal part 2 Handling cylinder 3 Processing cylinder 3a Processing cylinder shaft 4 Processing chamber 5 1st dust processing cylinder 6 1st dust processing Chamber 6a Rear end open part 7 Swing rack 7a Transfer rack 7b Glensieeve 7c Chaffsieeve 7d Straw rack 8 Sorting chamber 9 Transfer means 10 Processing means 11 Scraping processing means 12 Discharging means 13 Partition body 14 Transfer means 15 Second dust treatment cylinder 15a helix 16 grain culm conveying device 17 second dust treatment chamber 18 processing means 19 threshing machine 20 handling barrel shaft 21 handling barrel net 22 handling tooth 23 Karan 24 crossflow fan 25 partition 26 cutting edge 27 processing barrel receiving net 28 Second dust removal cylinder receiving net 29 Disposal body 30 Opening part 31 First helix 32 First heaviest grain tube 33 Second helix 34 Second heaviest grain tube 35 Bevel gear 36 Bevel gear 3 Double-dip products dedicated processing body 37a spiral 38 Yuradofusen equipment

Claims (1)

[Claims] 1. A processing chamber 1 equipped with a handling barrel 2 for threshing while transporting grain culms by a grain culm transporting device 16 in the axial direction. A processing chamber 4 in which a processing cylinder 3 for processing while transferring items to the rear is installed, and a first dust processing chamber 6 in which a first dust processing cylinder 5 is installed are provided in parallel on the lower side in the grain feed direction. , These handling rooms 1,
Below the processing chamber 4 and the first dust treatment chamber 6, there is provided a sorting chamber 8 in which a swing shelf 7 is installed, and the end portion of the first dust treatment chamber 6 is on the lower side of the end portion of the handling chamber 1. A plurality of opening communication parts A are formed in the front-rear direction between the handling chamber 1 and the processing chamber 4, and a transfer means 9 for transferring the object to be processed backward is provided on the outer periphery of the processing cylinder 3. At the rear of the transfer means 9, a processing means 10 and a scraping processing means 11 are provided, respectively, and at the end of the processing cylinder 3, an object to be processed is passed through the opening communication part A and inside the handling chamber 1. The discharge means 12 for discharging toward the starting end side of the
Between the first dust treatment chamber 6 and the handling chamber 1, an opening communication portion B partitioned by a partition 13 in the front and back is formed, and the first dust treatment cylinder 5 is provided with an object to be treated in the handling chamber 1. A threshing device provided with a transfer means (14) and a processing means (18) for taking in an object from the opening communication section (B) and transferring it to the terminal end side, and taking in an object to be processed falling from the first dust treatment chamber (6). , The rocking shelves 7 while further diffusing while transferring to the lower side in the grain culm feeding direction.
The second dust treatment cylinder 15 to be supplied to the above is used as the second dust treatment chamber 1
A threshing device such as a combine, which is provided in 7.