JP2002238339A - Threshing unit of thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To aim at the reduction of tertiary dispersed grains and the loss of cereal grains, and also prevent a threshing drum built in a treating chamber from increasing load caused by supplying discharged materials and un-threshed treating materials (secondary materials) to the same position of the treating chamber. SOLUTION: This construction of the threshing unit is provided by threshing cereal culms threshed in the threshing chamber 5 while transferring them from its front part to rear part, treating discharged materials treated in the treating chamber 7 while transferring them from its rear part to front part, returning the secondary materials returned by a secondary material-returning pipe 33 to an almost central part in its front and rear direction of the treating chamber 7, setting a lower surface part of the threshing chamber 5 and the lower surface of the treating chamber 7 at an almost same position and installing a threshing cylinder 4 built in the threshing chamber 5 and a treating drum built in the treating chamber 7 in the same rotating direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing chamber provided in a front-rear direction in a threshing machine, and a threshing chamber provided for receiving and treating untreated dust from the threshing chamber in a front-rear direction. It is a technology related to a processing room and can be used as a threshing device of a threshing machine.

[0002]

2. Description of the Related Art Harvesting of pilgrim cultivars using a combine is performed by cutting a culm with a reaper provided at the front of a traveling platform of the combine, and the culm is transferred to an upper rear portion by the reaper. Is supplied to the threshing room of the threshing machine placed above the traveling chassis, and while being transferred from the front to the rear in the threshing room, the threshing is performed by the rotation drive of the handling cylinder provided in the threshing room, and the threshing is completed. The grains and some of the straw waste etc. leak from the threshing room and are supplied to the rocking sorting device, where they are sorted into grains and straw waste.

[0003] Untreated dust that has not leaked during the threshing process by the handling cylinder in the threshing chamber is disposed on the lateral side of the threshing chamber from the substantially central portion in the front-rear direction to the rear end position. It is supplied from the substantially central part of the threshing chamber into the provided processing chamber, and while being transferred from the front part to the rear part of the processing chamber, the re-threshing process is performed by the rotation drive of the processing cylinder provided in the processing chamber, and the re-threshing grain The grains and some of the straw waste, etc., leak from the processing chamber and are supplied to a swing sorting device, where they are sorted into grains and straw waste.

[0004] Some of the grains, straw chips, and chips, etc., supplied to the rocking sorting device from the transfer end portion of the threshing room and the processing chamber are sorted by the rocking sorting device, and are sorted. Straw chips and culm cuts are discharged out of the machine from the transfer end portion of the swing sorting device. In addition, the second product leaked from the swing sorting device and sorted by the second sorting device, by the second reduction cylinder,
It is reduced to the transfer start end (front end) of the processing chamber, and is reprocessed while being transferred to the rear in the processing chamber.

[0005] Sorted kernels, which are sorted from the threshing room and the processing room and supplied to the rocking sorting device and discharged, and then leaked, are supplied to a kernel storage tank and temporarily removed. Will be stored.

[0006]

A processing chamber is provided from a substantially middle position to a rear end position of a threshing chamber provided in the front-rear direction, and unprocessed dust is discharged from the threshing chamber to a transfer start end of the processing chamber. By reducing and supplying the product and the second product from the second reduction cylinder, the processing period is short, the number of the third scattered grains increases, and therefore, the grain loss increases. There is also, the dust discharged from the threshing room to the processing chamber and the second material returned from the second reduction cylinder are supplied to the same position, and thus are installed in this processing room. In some cases, the load on the processing cylinder increases and the horsepower of the engine becomes insufficient. However, the present invention is intended to solve these problems.

[0007]

According to the present invention, a threshing chamber 5 for threshing grain culms and an untreated dust generated in the threshing chamber 5 are provided. A processing chamber 7 in the front-rear direction on the side of the threshing chamber 5 for processing materials;
In the combine provided with the second reduction cylinder 33 and the like for reducing the unprocessed second product, the grain culms to be threshed in the threshing room 5 are moved from the front part to the rear part for threshing and processed in the processing chamber 7. A threshing machine for a threshing machine characterized in that dust is moved from a rear portion to a front portion for processing.

In the invention according to claim 2, the second material to be reduced in the second reduction cylinder 33 is provided to be reduced to a substantially intermediate portion in the front-rear direction of the processing chamber 7. A threshing apparatus of the described threshing machine. In the invention described in claim 3, the lower surface portion (a) of the threshing chamber 5 and the lower surface portion (b) of the processing chamber 7 are provided at substantially the same position. Item 3 is a threshing apparatus of the threshing machine according to item 2.

According to the fourth aspect of the present invention, the handling drum 4 provided in the threshing chamber 5 and the processing drum 6 provided in the processing chamber 7 are provided.
A threshing apparatus for a threshing machine according to claim 1, wherein the rotation direction is the same as that of the threshing machine.

[0010]

According to the present invention, the harvesting of the erected grain culm by the combine is provided at the front of the traveling platform of the combine, and the erected grain culm is cut by the reaper, and the cut culm is transferred to the upper rear part by the reaper. Threshing machine 3 placed above the traveling chassis
Is supplied into the threshing room 5 and during the transfer from the front to the rear in the threshing room 5, the threshing is carried out by the rotational drive of the handling drum 4 provided in the threshing room 5, and the threshed kernels are generated. Some of the straw waste and the like leaks from the lower surface portion (a) of the threshing chamber 3 and is supplied to the swing sorting device, where the waste is sorted into grains and straw waste.

The untreated dust which has not leaked during the threshing process by the handling cylinder 4 in the threshing chamber 3 is further laterally located from the threshing chamber 3 and further from the substantially front end of the threshing chamber 3. Between the trailing edge,
It is supplied from the rear end of the threshing chamber 3 to the rear end of the processing chamber 7 provided on the lower surface (b) substantially the same as the lower surface (a) of the threshing chamber 3, and the inside of the processing chamber 7 is rearward. During the transfer to the front,
By the rotational drive of the processing cylinder 6 provided in the processing chamber 7 so as to rotate in the same rotational direction as the handling cylinder 4, the re-threshing processing is performed, and the re-threshing-processed grains and some straw wastes are processed in the processing chamber 7. The water is leaked from the lower surface portion (b) of 7 and supplied to the swinging sorting device, where it is sorted into grains and straw waste.

A part of the grains, straw chips, and cereal cuts supplied to the swing sorting device from the transfer end portion at the rear portion of the threshing chamber 5 and the transfer end portion at the front portion of the processing chamber 7 are: Straw chips, culm cuts, and the like that have been sorted and sorted by this swing sorting device are discharged out of the machine from the transfer end portion of the swing sorting device. The unthreshed processed material (secondary material) that has leaked from the swinging sorting device and sorted by the second sorting device is returned to the substantially central portion in the front-rear direction of the processing chamber 7 by the second reduction processing cylinder 33. Then, re-threshing is performed during the transfer to the front part in the processing chamber 7.

[0013] Sorted kernels, which are sorted from the threshing chamber and the processing chamber and supplied from the threshing chamber and the dust, and leaked, are supplied to the grain storage tank and temporarily removed. Will be stored.

[0014]

According to the first aspect of the present invention, the grain culm threshed in the threshing chamber 5 is moved from the front to the rear to thresh, and the dust to be treated in the processing chamber 7 is removed from the rear. By moving the processing chamber 7 to the front and processing it, the processing chamber 7 is
Thus, the processing capacity in the processing chamber 7 is increased, the number of third scattered grains is reduced, and the loss of grains can be reduced.

According to the second aspect of the present invention, the supply position of the untreated dust to be supplied from the threshing chamber 5 into the processing chamber 7 and the return from the second reduction cylinder 33 to the processing chamber 7. Since the supply position of the second product is different from that of the second product, the load on the processing cylinder 6 that is installed in the processing chamber 7 and re-threshing processing is performed while transferring the processing goods is reduced. Occurrence can be prevented.

In the third aspect of the present invention, the lower surface portion (a) of the threshing chamber 5 and the lower surface portion (b) of the processing chamber 7 are provided at substantially the same position, so that the swing sorting device is provided. The clearance between the upper side surface and the lower surfaces (a) and (b) can be secured, and the sorting capacity (height) can be secured, so that the sorting performance can be improved and the swinging can be achieved. The lateral width of the sorting unit can be suppressed, and the body width can be reduced.

According to the present invention, the handling drum 4 provided in the threshing chamber 5 and the processing drum 6 provided in the processing chamber 7 are provided.
By setting the rotation direction to the same rotation direction, the intake of the dust from the threshing chamber 5 into the processing chamber 7 is improved. In addition, the distribution of the supply from the processing chamber 7 to the swing sorting device is uniform, and the swing sorting performance is improved.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The threshing machine 3 mounted on the upper side of the traveling chassis 2 of the combine 1 will be described. A threshing machine 3 for threshing grain culm is mounted on the upper side of the traveling chassis 2, and a threshing room 5 in which a handling cylinder 4 for threshing grain culm is installed in the threshing machine 3,
And receiving the supply of untreated waste from the threshing room 5,
This is a configuration in which a processing chamber 7 in which a processing drum 6 for threshing is provided is provided. The positions and the like of the threshing chamber 5 and the processing chamber 6 will be mainly illustrated and described.

A traveling device 8 having a pair of left and right traveling crawlers 8a traveling on the soil surface as shown in FIGS. 1 to 3 is disposed below the traveling platform 2 of the combine 1 as shown in FIGS. On the upper side, a threshing machine 3 for threshing grain culm is mounted. In addition, the reaping culm is cut by the reaper 9 on the front side of the traveling chassis 2, and the culm is transferred to the upper rear part by the reaper 9 and supplied to the threshing machine 3 for threshing. The grain storage tank 10 for collecting and temporarily storing grains is arranged on the right side of the threshing machine 3 and above the traveling platform 2.

As shown in FIG. 3, a mowing machine 9 is provided in front of the threshing machine 3 and in front of the traveling platform 2, and the mowing machine 9 is provided with a weeding body 11 for separating the culm to be cut from the front end. In the upper part of this weeding body 11, the culm to be cut is raised,
The reel device 12 having a substantially hexagonal shape equipped with a reel rod 12a for scraping and the like is rotatable up and down by a support device 13, and is rotatably supported by a shaft.

Behind the weeding body 11, a cutting blade device 14 for cutting grain culms, and left and right plates for cutting and transferring the cut culms from both left and right sides toward the left from the center. Fifteen
a, a transfer roller 15 rotatably supported between 15a and 15b
And the box-shaped transfer case 1 for transferring the grain stalk to the rear upper portion from the scraping transfer roller 15 and supplying it to the threshing machine 3
6a and an upper transfer case 16b are provided with a rotatable transfer conveyor 16 provided therein. A suction fan for sucking and discharging dust in the transfer case 16a is provided on the upper side surface of the transfer case 16a and near the transfer end portion. 17 is provided rotatably.

At the front of the threshing machine 3, as shown in FIG. 3, an operating device 18a for performing operations such as starting, stopping, and adjusting each part of the combine 1, and a control device on which an operator performing these operations is mounted. The seat 18b has a configuration provided in an operation room 19b formed by an operation room case 19a. This cockpit 18
The engine 20 is mounted on the lower side of the vehicle b above the traveling chassis 2 and the grain storage tank 10 is disposed on the rear side. The traveling device 8, the reaper 9, the threshing machine 3, the engine 20, and the like make the body 1 of the combine 1
a is formed.

In the gap between the left side surface of the operation room case 19a forming the operation room 19b and the right side surface of the upper transfer case 16b at the upper end of the transfer case 16a of the reaper 9,
This is a configuration in which an auxiliary cover 37 is provided as shown in FIGS. On the upper surface of the auxiliary cover 37, a plurality of U-shaped reinforcing plates 37a are provided on the lower surface in order to have sufficient strength to allow an operator to ride, and the upper surface is provided with an L-shaped In this configuration, a non-slip plate 37b is provided. Further, a net material may be fixed instead of the non-slip plate 37b, or a configuration in which a plurality of convex portions are provided on the upper surface may be adopted. The auxiliary cover 37 has a configuration in which a plurality of grips 37c are provided.

As shown in FIG. 4, an opening 38 is provided in a lower part of a front side portion and a left side portion of the operation room case 19a, and a viewing window 38a made of a transparent resin material is provided in the opening 38.
Is provided. Thereby, the auxiliary cover 37
An operator can get on the upper side of the vehicle and check each part. This also allows each chain and engine 2
Noise such as 0 can be prevented. Further, the viewing window 38a
The operator can see the ground not only in the gap between the cockpit 18b and the upper transfer case 16b but also in a wide range including the feet when the worker looks at the ground, and the driving operation is stabilized.

The threshing machine 3 receives the culm supplied from the transfer conveyor 16 as shown in FIG. 1 and FIG.
And sorting and the like. The threshed and sorted kernels are transferred into a grain storage tank 10 by a transfer belt 21a and buckets 21 attached to the transfer belt 21a at predetermined intervals.
b and is supplied and fed by the bucket 21b of the frying apparatus 21 in which the b.

The threshing machine 3 includes a threshing chamber 5 for threshing the supplied culm in a front-rear direction, with front and rear side plates 22a, 22b,
And between the left and right plates 22c, 22d. In the threshing chamber 5, the transfer start end side of the outer peripheral portion is
The handling cylinder 4 has a configuration in which a handling cylinder 4 to which a handling cylinder spiral presto 4a and a handling cylinder discharge claw 4b are fixed at a transfer end portion is rotatably supported. A threshing net 23 is stretched under the outer peripheral portion of the handle cylinder spiral plate 4a of the handle cylinder 4. This threshing room 5
The grain culm supplied to the inside is threshed during the transfer from the front part to the rear part, and the thresh and the stalks generated when threshing has been completed, and a part of the generated straw waste are installed from the threshing net 23 to the sorting room 24 described later. It is configured to leak onto the rocking sorting device 25 that has been made.

A discharge port 26a is provided on one side of the rear end of the threshing chamber 5 to discharge straw chips, cut culms, and a small amount of grains onto the rocking sorter 25. Also, on the other side,
A supply port 26b is provided, and untreated dust is supplied into the processing chamber 7 from the supply port 26b.

As shown in FIGS. 1 and 2, the processing chamber 7 is formed on the right side of the threshing chamber 5 in the front-rear direction.
In the processing chamber 7, a processing cylinder spiral plate 6 a is provided at a transfer start end side of an outer peripheral portion, and a processing cylinder claw 6 is provided at a transfer end side.
b is rotatably supported on the processing cylinder 6 to which the processing cylinder 6 is fixed. A dust net 27 is stretched below the outer peripheral portion of the processing cylinder spiral plate 6a and the processing cylinder claw 6b of the processing cylinder 6. Supply port 2 provided in threshing room 5 into processing chamber 7
6b is re-threshed while being transported from the rear to the front, and the threshed kernels and some straw debris are shaken from the dust net 27 into the sorting chamber 24. This is a configuration in which it falls onto the dynamic sorting device 25. The transfer end of the processing chamber 7 is provided with a dust discharge port 7a.

The grain culm supplied into the threshing chamber 5 is shown in FIG.
As shown by, threshing during the transfer from the front to the rear, and the dust supplied from the threshing chamber 5 into the processing chamber 7 is re-threshing during the transfer from the rear to the front, This processing chamber 7 can be formed to have substantially the same length as the threshing chamber 5,
As a result, the processing capacity in the processing chamber 7 is improved, and the third scattered particles are reduced, and the loss of kernels can be reduced.

The lower surface of the threshing net 23, which is the lower surface (a) of the threshing chamber 5, and the lower surface of the dust net 27, which is the lower surface (b) of the processing chamber 7, are shown in FIG. As shown in FIG. Thereby, the upper side surface part of the rocking sorting device 25 and the respective lower surface parts (a),
(B), the sorting capacity (height) can be secured, the sorting performance can be improved, and the lateral width of the swing sorting unit can be suppressed. The width can be reduced, and the cost can be reduced.

The processing cylinder 6 which is installed in the processing chamber 7 and supported by a shaft.
The rotation direction of is that the rotation direction of the handling drum 4 which is installed in the threshing chamber 5 and supported by rotation is provided in the same direction as shown in FIG. Thus, the processing cylinder 6 and the handling cylinder 4 are provided so as to rotate in the same direction, so that the intake of dust from the threshing chamber 5 into the processing chamber 7 is improved. Further, the dispersion at the time of leakage supply from the processing chamber 7 to the swing sorting device 25 becomes uniform, and the swing sorting performance is improved.

Outer right side plate 22 forming the processing chamber 7
d, the front side of the frying apparatus 21 and the second reduction cylinder 3
The front and rear inspection windows 39a and 39b for inspecting the inside of the processing chamber 7 are openably and closably provided in the vicinity of each rear side of the processing chamber 7, as shown in FIGS.

This makes it possible to easily inspect and clean the inside of the processing chamber 7 and easily disassemble and assemble the processing cylinder 6. Process 6 installed in the processing chamber 7
The transfer start end (c) position is substantially the same as the terminal end (d) position of the supply port 26b of the threshing chamber 5 as shown in FIG.

Accordingly, the processing chamber 7 is less likely to work on the untreated waste having a low grain adhesion rate among the untreated waste, and therefore, the processing efficiency in the processing chamber 7 is reduced. Can be improved. The transfer end portion (e) of the processing vessel 6 housed in the processing chamber 7 is located behind the end portion (f) of the inclined section 4c for taking in the grain culm of the handling drum 4 housed in the threshing chamber 5. This is the configuration provided.

Thus, the position of the end of the processing cylinder 6 and the position of the front end of the swing sorting device 25 are substantially the same, whereby the efficiency of swing sorting can be improved. 1 and 2, a sorting room 24 is formed below the threshing room 5 and the processing room 7, and inside the sorting room 24, the threshing net 23 of the threshing room 5 It receives the supply of the particles discharged from the discharge outlet 26a at the terminal end, the dust net 27 of the processing chamber 7, and the dust discharge outlet 7a at the transfer end, and the waste such as grain and straw waste. Thus, a swing sorting device 25 for swing sorting is provided.

As shown in FIG. 1, the rocking and sorting apparatus 25 sequentially moves the transfer shelves 28a and the chaff sheaves 28 from the front.
b, a straw rack 28c, and a swinging shelf 28d, and a grain sheave 28e is provided below the chaff sheave 28b. Further, the chaff sheave 28b is configured so that the transfer angle can be adjusted and the amount of leakage can be adjusted. A rocking fulcrum 29a is provided at the front end of the rocking sorting device 25 at the front (upper side), and a rocking cam 29b is provided near the rear end at the rear (lower side). The swing sorting device 25 is provided in a swingably suspended state to swing and sort.

A blower 30 in which a blower blade 30a is rotatably mounted is provided below the transfer start end (lower side) of the swinging sorter 25, and the separated wind generated by the blower 30 is blown. In this configuration, the wind is sorted into grains and dust. The dust sorted by the blower 30 and the swing sorter 25
Straw chips, culm cuts, and the like that have been rock-sorted are discharged outside the machine.

The lower end of the blower 30 accommodates the grains which have been sorted down from the first sorting shelf 31 and is connected by a first spiral 31a to the upper side of the first receiving gutter 31b which is laterally transported. The lower side of this first gutter 31b is the first sorting shelf 3
1 is connected. The sorted kernels laterally transported by the first spiral 31a are taken over by the frying apparatus 21 and are transported by the bucket 21b of the frying apparatus 21 to be supplied into the grain storage tank 10 and temporarily stored therein. It is a configuration to do.

On the rear side (lower side) of the first gutter 31b,
On the lower side of the first sorting shelf 31, the unthreshed processed material (second product) that has been flow-down sorted from the swinging shelf 28d of the swing sorting device 25 is accommodated, and is secondarily transported by the second spiral 32a. Gutter 32
Is provided. The upper end on the upper side of the second trough 32 is connected to the upper end of the first sorting shelf 31, and the upper end on the lower side is below the lower end of the swinging shelf 28 d of the swing sorting device 25. It is a configuration provided by being superposed on the side. The rear end of the swinging shelf 28d is configured to be opened outside the machine.

A second reduction cylinder 33 is provided to take over the unthreshed processed material (second product) laterally transported by the second spiral 32a and reduce it to a substantially intermediate position in the front-rear direction of the processing chamber 7. is there. A second transfer belt 33a is stretched in the second reduction cylinder 33 as shown in FIG.
In this configuration, a transfer plate 33b or a bucket 33b for lifting a second product is provided at a predetermined interval. At the upper end of the second reduction cylinder 33, a cylindrical discharge funnel 33c for reducing the processing chamber 7 to a substantially middle position in the front-rear direction in the front-rear direction is provided.

As a result, the second material to be reduced in the second reduction cylinder 33 is reduced to a substantially intermediate portion in the front-rear direction of the processing chamber 7, and the dust discharged from the supply port 26 b of the threshing chamber 5 is By being supplied to the transfer start end of the processing chamber 7, the supply position is different, the load applied to the processing cylinder 6 which is installed in the processing chamber 7 and re-threshing processing while transferring these is reduced and reduced. Insufficient horsepower of the engine 20 can be prevented, and the leakage of grains from the processing chamber 7 can be improved.

On the upper side of the second gutter 32, an auxiliary blower 34 is provided, and air is blown to a blower port 32b provided at the upper end of the second gutter 32 to improve the sorting performance of the second gutter. This is the intended configuration. On the rear side of the grain storage tank 10 for discharging the grains stored in the grain storage tank 10 to the outside of the machine,
A discharge support cylinder 35 having a vertical transfer spiral 35a therein is rotatably mounted in a substantially vertical posture, and is provided at an upper end portion of the discharge support cylinder 35 to the outside of the machine whose entire length is equal to the front and rear length of the combine 1. In this configuration, a discharge auger 36 in which a discharge spiral 36a for discharging particles is provided so as to be extendable and contractible is disposed in a lateral direction such that the discharge auger 36 can be freely extended and retracted, freely rotated up and down, and left and right.

[Brief description of the drawings]

Fig. 1 Enlarged side view of the threshing machine

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is an overall side view of the combine.

FIG. 4 is a side perspective view of an operation device.

FIG. 5 is a side perspective view of an auxiliary cover.

[Explanation of symbols]

 4 Handling cylinder 5 Threshing room 6 Processing cylinder 7 Processing chamber 33 Second reduction cylinder (A) Lower surface (B) Lower surface

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Koji Ito 1st Hachikura, Tobe-cho, Toyo-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Inside F-term (reference) 2B094 AA01 AA03 AA11 AB02 AB06 AC15 AE02 DA01 GA01 JB07 JC01 JE11

Claims (4)

[Claims] 1. A threshing chamber 5 in the front-rear direction for threshing grain culms,
A processing chamber 7 in the front-rear direction on the side of the threshing chamber 5 for treating untreated dust generated in the threshing chamber 5 and a second reduction cylinder 33 for reducing untreated second products are provided. In the combine, the stalks to be threshed in the threshing room 5 are moved from the front to the rear to thresh, and the dust to be treated in the processing room 7 is provided to be moved from the rear to the front for processing. A threshing machine for a threshing machine. 2. The threshing machine for a threshing machine according to claim 1, wherein the second product to be reduced by the second reduction cylinder 33 is provided to be reduced to a substantially intermediate portion in the front-rear direction of the processing chamber 7. 3. A lower surface (a) of the threshing chamber 5 and a processing chamber 7.
The threshing apparatus for a threshing machine according to claim 1 or 2, wherein the threshing machine is provided at substantially the same position as a lower surface portion (b) of the threshing machine. 4. The processing cylinder 4 provided in the threshing chamber 5 and the processing cylinder 6 provided in the processing chamber 7 are provided in the same rotation direction. A threshing apparatus for a threshing machine according to claim 3.