JP2002305956A - Grain discharge device of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge grains stored in a grain storage tank in a short time and improve grain feeding performance. SOLUTION: In this grain discharge device of a combine harvester, left and right feed valves 6a and 6b for feeding grains toward an inside part on left and right feed parts 7a and 7b on left and right both sides of a husk-collecting shelf 7 in a feed valve case 5 of a grain feeder 4 provided on the lower side of a grain storage tank 10 are rotatably installed toward the lower inside through lateral outside from the supper direction in the longitudinal direction of the grain storage tank 10. Grain discharging and transferring devices 37 each for discharging grains through left and right feed valves 6a and 6b are individually installed and each blower 35 for transferring and discharging grains by feeding air to the each grain discharging and transferring device 37 is activated at a prescribed time interval.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain feeding device for feeding grains under a grain storage tank for storing grains, and a grain collecting shelf in a feeding valve case of the grain feeding device. Rotate the left and right feed valves that feed the grain with the left and right feed parts on the left and right sides toward the inside toward the inside, in the longitudinal direction of the grain storage tank, from top to bottom, through the lateral outside, and downward and inside. It is a technology that is freely supported and can be used as a grain discharge device for combine harvesters.

[0002]

2. Description of the Related Art In a harvesting operation using a combine harvester, the harvested corn culm is harvested by a reaper provided at the front of a traveling platform of the combine, and the harvested cereal culm is transferred to an upper rear portion by the reaper. Then, it is supplied to a threshing machine mounted on the upper side of the traveling chassis and threshed. The threshed grains are supplied to a grain storage tank placed on the right side of the threshing machine and temporarily stored therein.

The grains stored in the grain storage tank are discharged to the outside of the machine by rotating a delivery valve provided in a delivery valve case of a grain delivery device provided below the grain storage tank. By this, the grains in the grain storage tank are fed out,
It flows down from the discharge port of this delivery valve case to the bottom of this delivery valve case. The blast generated from the blower provided at the front of the delivery valve case is blown to the bottom of the delivery valve case, and the grains supplied to the bottom by this ventilation are discharged from the bottom of the delivery valve case. The grain is transferred to a transfer end of a grain discharge transfer device provided on the rear side, and discharged from the transfer end to the outside of the machine.

[0004]

SUMMARY OF THE INVENTION Since only one delivery valve is provided in a delivery valve case of a grain delivery device for delivering grains stored in a grain storage tank, the grain storage is performed. Although it took a long time to discharge the grains stored in the tank, and the rotation direction of the delivery valve reduced the delivery ability of the grains, the present invention has caused these problems. Is to solve.

[0005]

For this purpose, according to the present invention, there is provided the invention as set forth in claim 1, wherein the grain is stored under the grain storage tank 10 for storing the grain on the upper side of the traveling undercarriage 2. In a combine equipped with a grain feeding device 4 for feeding and a blower 35 for blowing air to a grain discharging / transporting device 37 for transferring the fed grains by air and discharging the grains outside the machine, etc. The left and right delivery valves 6a and 6b for delivering the grains toward the inside on the left and right delivery portions 7a and 7b on both the left and right sides of the grain collection shelf 7 housed in the delivery valve case 5 are connected to the grain storage tank 10. Characterized in that they are provided so as to be rotatably supported in such a manner as to rotate inward in the longitudinal direction from the upper side to the lower inner side through the lateral outer side part.

In the invention according to claim 2, the grain discharging and transferring device 37 is provided separately for each of the left and right feed valves 6a and 6b. It is a discharge device. According to the third aspect of the present invention, each of the individually provided blowers 35 for blowing the respective grain discharge / transport devices 37 provided individually for the left and right feed valves 6a and 6b is controlled to start at predetermined time intervals. A grain discharging device for a combine according to claim 1 or 2, further comprising a control device 47.

[0007]

According to the present invention, the harvesting of the raised corn culm is performed by a harvester provided on the front portion of the traveling platform 2 of the combine. After being transported, it is supplied to a threshing machine placed above the traveling platform 2 and threshed. The threshed grains are supplied to a grain storage tank 10 placed on the right side of the threshing machine and temporarily stored therein.

When the grains stored in the grain storage tank 10 are discharged outside the machine. In the invention described in claim 1, left and right left and right feeding portions 7a on both left and right sides of a grain collecting shelf 7 provided inside a delivery valve case 5 of a grain delivery device 4 provided below the grain storage tank 10. , 7b, left and right delivery valves 6a, 6b provided in the longitudinal direction of the grain storage tank 10.
The grains in the grain storage tank 10 are fed by the rotational drive of the left and right feed valves 6a and 6b, which are rotatably supported from the upper part to the lower inner part via the lateral outer part, and the grain collecting shelf. 7 from the left and right feeding plates on which the left and right feeding portions 7a, 7b are formed, and from each of the discharge ports at the tips of the left and right feeding plates toward the inside of the grain collecting shelf 7 on both the left and right sides. It flows down the shelf and is fed to the bottom.

The wind generated from the blower 35 provided on the front side of the delivery valve case 5 is
Is blown to the bottom of the grain collecting rack 7, and the blast supplied to the bottom is transferred from the inside of the delivery valve case 5 to the transfer terminal end of the grain discharge transfer device 37 provided on the rear side. Then, it is discharged from the transfer end portion to the outside of the machine.

In the second and third aspects of the present invention, each of the grain collecting shelves 7 is individually and independently provided in each of the delivery valve cases 5 of the respective grain delivery devices 4 on the left and right sides. Each of the grain collecting shelves 7 is provided with a left and right feed valve 6a, 6b for feeding grains, respectively.
The grains in the grain storage tank 10 are fed out by the rotational drive of a and 6b, flow down each grain collecting shelf 7, and are supplied to each bottom.

The blowers 35 provided on the front side of the delivery valve case 5 are controlled to be started at predetermined time intervals by a control device 47, and each of the blowers 35 sequentially generates a blast. The air is blown to each bottom of each grain collection shelf 7 of the delivery valve case 5, and the grains supplied to each bottom of the delivery valve case 5 are rearward from the bottom of each grain collection shelf 7 of the delivery valve case 5. Grain discharge transfer device 37 provided in
Are sequentially transferred to each transfer end portion, and are sequentially discharged out of the machine from each transfer end portion.

[0012]

According to the first aspect of the present invention, the left and right sides of the grain collection rack 7 provided in the delivery valve case 5 of the grain delivery device 4 for delivering the grains stored in the grain storage tank 10 are provided. Are provided with left and right feeding portions 7a and 7b, and left and right feeding valves 6a and 6b for feeding grains with the upper sides of the left and right feeding portions 7a and 7b toward the center of the grain collecting rack 7. The left and right delivery valves 6a, 6a, 2a are provided in the one delivery valve case 5 by being rotatably supported in the longitudinal direction of the grain storage tank 10 from the upper side to the lower inside via the lateral outer side. By providing 6b, the grain discharge capacity in the grain storage tank 10 is improved, and the discharge of the grains stored in the grain storage tank 10 is completed in a short time. Further, the grains are fed toward the center in the left-right direction on the left / right feeding sections 7a, 7b, so that the flow of the grains on the left / right wall portions of the grain storage tank 10 becomes good, and the grains flow. The dispensing of the grains becomes good.

According to the second aspect of the present invention, the grain discharge transfer device 37 is provided separately for each of the left and right feed valves 6a and 6b, so that the capacity of the grain storage tank 10 is reduced.
When the grains are discharged to a small grain receiving box or the like, the grains can be conveniently discharged to a plurality of grain receiving boxes or the like at a time.

According to the third aspect of the present invention, the plurality of blower units 35 for blowing wind to the plurality of delivery valve cases 5 and the plurality of grain discharging and transferring devices 37 are sequentially arranged at predetermined time intervals. By starting the engine, a load temporarily applied to the engine can be prevented.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Grain storage tank 1 mounted on the right side of threshing machine 3 mounted on traveling platform 2 of combine 1
0 feed valve case 5 of the grain feeder 4 provided below
Left and right feeding sections 7a, 7 on both left and right sides of the grain collection shelf 7
Above b, the left and right delivery valves 6a, 6b are pivotally provided. The collecting rack 7 and the left and right feed valves 6a and 6b are mainly illustrated and described.

As shown in FIGS. 6 to 9, a traveling device 8 having a pair of left and right traveling crawlers 8a for traveling on the soil surface is disposed below the traveling platform 2 of the combine 1. 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 reammed 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 FIGS. 6 to 9, a mowing machine 9 is provided in front of the threshing machine 3 and in front of the traveling undercarriage 2, and the mowing machine 9 separates the culm to be cut from the front end. Grass 1
1 is provided on the upper side of the weeding body 11, the stalks to be cut are raised, and the stalks are raked, and approximately 6 equipped with a reel rod 12 a or the like.
The angular reel device 12 is configured to be rotatable up and down by a support device 13 and rotatably supported by a shaft.

Behind the weeding body 11, a cutting blade device 14 for cutting the culm, and the left and right plates for cutting and transferring the cut culm from the 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 an upper side surface of the transfer case 16a and near a transfer end portion. 17 is provided rotatably.

6 and 7 are provided at the front of the threshing machine 3.
An operation device 18a for performing operations such as starting, stopping, and adjusting each part of the combine 1 as shown by a symbol, and a cockpit 18b on which an operator performing these operations is mounted are provided with an operation room case 19.
This is a configuration provided in the operation room 19b formed in FIG. At the rear end of the traveling chassis 2 at the rear of the grain storage tank 10,
This is a configuration in which the engine 20 is mounted. These traveling devices 8
, The reaper 9, the threshing machine 3, the engine 20, etc.
This is a configuration in which an airframe 1a of the combine 1 is formed.

The threshing machine 3, as shown in FIG. 11 and FIG. 12, receives grain stems supplied from the transfer conveyor 16 and performs threshing, sorting, and the like. The threshed and sorted grains are transferred to the grain storage tank 10 by the transfer belt 21a.
And the bucket 21b of the fryer 21 in which a bucket 21b mounted on the transfer belt 21a at predetermined intervals is installed.
This is a configuration in which the water is fed and supplied at b.

The threshing machine 3 has a configuration in which a threshing chamber 22 for threshing the supplied culm is provided in the front-rear direction, and a handling cylinder 22a is rotatably supported in the threshing chamber 22. A threshing net 22b is stretched below the handle cylinder 22a. The grain culm supplied into the threshing room 22 is threshed during the transfer from the front part to the rear part and is threshed, and some of the generated straw wastes are separated from the threshing net 22b. 2
3 is configured to drop onto the swing sorting device 24 provided inside.

A discharge port 25a is provided on one side of the rear end of the threshing chamber 22 to discharge straw chips, cut culms, and a small amount of kernels onto a rocking sorter 24. Further, on the other side, a supply port 25b is provided, and untreated dust is supplied from the supply port 25b into the processing chamber 26.

As shown in FIGS. 11 and 12, the processing chamber 26 is formed on the right side of the threshing chamber 22 in the front-rear direction. In the processing chamber 26, a processing cylinder 26a is rotatably supported. Dust net 26b is stretched below processing cylinder 26a. This processing room 2
Dust supplied from the supply port 25b provided in the threshing chamber 22 into the threshing chamber 6 is subjected to re-threshing while being transferred from the rear to the front, and the threshed grains and some straw waste are discharged. It is configured to leak from the dust net 26b onto the swing sorting device 24 installed in the sorting room 23. The processing chamber 26 has a configuration in which a dust discharge port 27 is provided at a transfer end portion.

The grain culm supplied into the threshing chamber 22 is threshed during transfer from the front to the rear as shown in FIG.
The dust supplied from the threshing chamber 22 into the processing chamber 26 is subjected to re-threshing while being transferred from the rear to the front, thereby forming the processing chamber 26 to have substantially the same length as the threshing chamber 22. Configuration.

The rotation direction of the processing drum 26a provided in the processing chamber 26 and supported in rotation is the same as the rotation direction of the handling drum 22a provided in the threshing chamber 22 and supported in rotation, as shown in FIG. This is a configuration provided for driving. 11 and 12, a sorting chamber 23 is formed below the threshing chamber 22 and the processing chamber 26. In the sorting chamber 23, the threshing net 22b of the threshing chamber 22 and the transfer Exit 25 at the end
a, the waste net 26b of the processing chamber 26, and the supply of the spillage, the dust, the grain, the straw, etc. from the exhaust outlet 27 at the end of the transfer, and oscillating sorting. Oscillating sorting device 24
Is provided.

As shown in FIGS. 11 and 12, the swing sorting device 24 sequentially includes a transfer shelf 28a, a chaff sheave 28b, a straw rack 28c, and a swing shelf 28 from the front.
d, and a grain sieve 28e is provided below the chief 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 24 at the front (upper side), and near the rear end at the rear (lower side).
A swing cam 29b is provided, and the swing sorting device 24 is swingably suspended so as to swing and sort.

Below the transfer start end (lower side) of the swinging sorting device 24, a sorting blower 30 is provided.
In this configuration, the sifting wind generated at 0 is blown, and the sifting wind is separated into grains and dust. The dust blown and sorted by the sorting blower 30, the straw waste and the culm cut and the like rocked and sorted by the rocking sorting device 24 are discharged outside the machine.

At the lower end of the sorting blower 30, the grains which have been sorted down by the first sorting shelf 31 are accommodated, and the uppermost receiving gutter 31b, which is laterally transported by the first spiral 31a, is placed at the lower end. The lower side of the first gutter 31b is connected to the first sorting shelf 31. The sorted kernels laterally transported by the first spiral 31a are taken over by the fryer 21,
The bucket 21b of the grain lifting device 21 is configured to be fed up and supplied to the grain storage tank 10 for temporary storage.

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 flowed down and sorted by the swinging shelf 28d of the swinging sorting device 24 is accommodated, and is secondarily transferred by the second spiral 32a. In this configuration, a gutter 32 is provided. The upper end of the second trough 32 on the upper side is connected to the upper end of the first sorting shelf 31, and the lower upper end is located below the lower end of the swinging shelf 28 d of the swinging sorting device 24. 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 26. is there. As shown in FIG. 11, a second transfer belt 33a is stretched in the second reduction cylinder 33, and a transfer plate 33b or a bucket 33 for discharging a second product is provided on the transfer belt 33a.
This is a configuration in which b is provided at a predetermined interval. This second reduction cylinder 33
Is provided at the upper end portion thereof with a discharge funnel 33c having a cylindrical shape for returning to a substantially intermediate position in the front-rear direction of the processing chamber 26.

An auxiliary blower 34 is provided on the upper side of the second receiving gutter 32, and air is blown to a blowing port 32b provided at the upper end of the second receiving gutter 32 to improve the sorting performance of the second receiving gutter. This is the intended configuration. The grain storage tank 10 to which the grains pumped by the bucket 21b of the above-described grain raising apparatus 21 are supplied, is provided with a container shown in FIG.
As shown in FIG. 4 and FIG. 6 to FIG. 10, a rectangular shape that is long in the front-rear direction and short in the horizontal direction is formed in a box shape having a predetermined height. Board 10b
And a guide funnel 10c at the lower end for guiding the stored grains down.

A guiding funnel 10c of the grain storage tank 10
As shown in FIGS. 1 to 5, a grain feeding device 4 is provided on the lower side. The grain feeding device 4 is provided with a grain collecting shelf 7 having a substantially V-shape in a front view fixedly provided in a box-shaped feeding valve case 5.
Left and right feeding portion plates 7a, 7 forming right feeding portions 7a, 7b
b, each of the falling shelves 7c connected to the left and right feeding plates 7a, 7b and inclined to the lower inside, and a bottom portion 7d formed in a U-shaped central portion connected to each of the falling shelves 7c. It is. Also, the inner tip portions of the left and right feeding plates 7a and 7b,
Each discharge port 7e for feeding out grains is formed between the left and right feed valves 6a and 6b, which will be described later, and the outer circumference of rotation.

In the longitudinal direction of the grain storage tank 10 above the left and right delivery plates 7a and 7b of the grain collecting shelf 7, a left and right delivery valve 6a is provided between the front and rear wall plates of the delivery valve case 5. , 6
In this configuration, b is rotatably supported so as to rotate inward from the upper side through the lateral outer portion and toward the lower inner side. The left and right delivery valves 6a and 6b are provided with a plurality of delivery blades 6d fixedly attached to a delivery shaft 6c, and the tip of each of the delivery blades 6d is provided with a rubber material or a resin material having high wear resistance. The feeding blade tip 6e is detachably provided with bolts and nuts, so that the gap between the left and right feeding plates 7a and 7b of the grain collecting rack 7 can be adjusted. The grains fed by the left / right feeding valves 6a, 6b are transferred on the upper side surfaces of the left / right feeding plates 7a, 7b, and flow down from the respective shedding ports 7e at the tip to the respective falling shelves 7c. This is a configuration that is supplied to the bottom 7d.

The guiding funnel 10c of the grain storage tank 10
As shown in FIGS. 1 and 4, right and left bottom plates connected to the left and right bottom plates of the guide funnel 10c are provided between the front and rear side wall plates of the lower discharge valve case 5 above the left and right discharge valves 6a and 6b. On both sides, a guide plate 5a is provided in a C-shape,
A triangular guide 5b is provided between the right delivery valves 6a and 6b.
Is provided.

The grains stored in the grain storage tank 10 are rotated by the left and right delivery valves 6a and 6b, and the lower end portions of the left and right guide plates 5a and 5b in the delivery valve case 5 are guided. It is configured to flow down the space between the components 5b, extract kernels at the upper side as shown in FIG. 4, and feed out the lower part through the lateral outside.

As shown in FIGS. 1 and 2, left and right delivery gears 4a, 4b are provided at the front shaft ends of the delivery shafts 6c, 6c of the left and right delivery valves 6a, 6b. A counter shaft 4c provided on the outer surface of the front wall plate of the delivery valve case 5 is provided between the left and right delivery gears 4a and 4b.
This is a configuration in which each counter gear 4d is pivotally provided.

As shown in FIGS. 2 and 5, a valve motor 42 is provided on a motor mounting plate 42b provided on a rear plate of the delivery valve case 5. The valve motor 42 is provided at the shaft end of the motor shaft. Is provided with a motor sprocket 42a pivotally supported thereon, and a chain 42c is bridged between the motor sprocket 42a and a left sprocket 6f pivotally provided at the rear end of the delivery shaft 6c of the left delivery valve 6a. This is the configuration.

By the rotation of the valve motor 42, the left feed valve 6a is rotated from the upper side to the lower inner side through the lateral outer portion via the chain 42c. 4a, each counter gear 4d, and the right delivery gear 4b are driven to rotate, and the right delivery valve 6b is also driven to rotate downward from the upper side to the lower inner side through the lateral outer portion.

The left and right delivery valves 6a and 6b are provided on the left and right sides of the grain collection shelf 7 in the delivery valve case 5 so as to support the delivery capability of the grains in the grain storage tank 10. It was possible to significantly increase the time required to discharge the grain. The left-hand sprocket 6f on the rear side of the feed shaft 6c of the left-feed valve 6a supported by the feed valve case 5 and the motor sprocket 42a supported by the valve motor 42 are driven to rotate by a chain 42c. The left delivery valve 6a is driven to rotate, and the left delivery gear 4a is further driven to rotate each counter gear 4d and the right delivery valve 6b via the right delivery gear 4b. -The right delivery valves 6a and 6b can be driven to rotate, thereby reducing costs. In addition, by directly rotating and driving the gears 4a, 4b, 4d, the structure is simple, the transmission is reliable, and the adjustment of the feeding timing can be easily performed.

Each of the counter gears 4d supported on the respective counter shafts 4c provided between the left and right feed gears 4a and 4b supported on the respective feed shafts 6c and 6c of the left and right feed valves 6a and 6b are shown in FIG. As shown in FIG. 1 and FIG. 2, for example, each of the counter shafts 4c and the respective counter gears 4d is provided with a plurality of odd three or five, and the configuration shown is provided with three. The rotation directions of the left and right delivery valves 6a, 6b are rotations in opposite directions, and the left and right delivery valves 6a, 6b are driven to rotate inward from the upper side, through the lateral outer portions, and inward. It is. The grains fed by the left and right feed valves 6a and 6b are fed on left and right feed plates 7a and 7b, which are feed portions 7a and 7b on both right and left sides of the grain collecting shelf 7 in the feed valve case 5. And the tip 7e at the tip
, And flow down each downflow shelf 7c to be supplied to the bottom 7d.

Thus, the left and right delivery valves 6a,
The rotation direction of 6b is set to the opposite rotation driving direction, so that the kernel is fed from the symmetrical position on the left and right, and the kernel to be fed is the bottom 7d of the collection shelf 7 of the delivery valve case 5 at the center in the left and right direction. By feeding out and flowing down, the efficiency of the transfer of air blown by the blower 35 described later can be improved. In addition, since the grains are fed at the lower side of the left and right delivery valves 6a and 6b, the flow of the grains flowing down inside the left and right walls of the grain storage tank 10 becomes good, and the grains are discharged. Dispensing becomes good. To summarize the effects of the invention of claim 1, the grain stored in the grain storage tank 10 by providing two left and right delivery valves 6a and 6b in one delivery valve case 5. Discharge capacity is improved, and the discharge of grains is completed in a short time. Further, by feeding the kernels with the upper surfaces of the left / right feeding plates 7a, 7b, which are the left / right feeding sections 7a, 7b, toward the center in the left-right direction, the left and right walls of the grain storage tank 10 are formed. The flow of the grains flowing down the inner side surface becomes good, and the feeding of the grains becomes good.

The guiding funnel 10c of the grain storage tank 10
As shown in FIG. 13, a mountain-shaped upper guide plate 43a is provided above the left and right delivery valves 6a and 6b between the front and rear side wall plates of the lower delivery valve case 5, and the left and right delivery valves are provided. The lower guide plate 43b is provided between 6a and 6b. The left and right feed valves 6a and 6b are configured to rotate from above to the lower inside through the lateral outer portions, and to rotate in opposite directions.

The grains stored in the grain storage tank 10 are rotated by the left and right delivery valves 6a and 6b, and the lower end of the upper guide plate 43a in the delivery valve case 5 and the delivery valve case 5 13 flows down between the left and right side wall plates, the kernels are taken out at the upper side as shown in FIG. 13, and are fed out to the lower side through the lateral inner side.

Thus, the left and right delivery valves 6a,
6b and the entire width of the delivery valve case 5 can be reduced, so that the cost can be reduced. An upper right guide plate 44b is provided on the upper side of the right delivery valve 6b between the front and rear side wall plates of the delivery valve case 5 below the guide funnel 10c of the grain storage tank 10, as shown in FIG. In both cases, this right delivery valve 6
A circular lower right guide plate 44d is provided on the lateral outer side of b. Further, a mountain-shaped upper left guide plate 44a is provided above the left feed valve 6a, and a lower left guide plate 44c is provided between the left and right feed valves 6a and 6b. The left delivery valve 6a is configured to be driven to rotate inward from above via a lateral inside portion, and the right delivery valve 6b is configured to be driven to rotate inward from below via a lateral outside portion. The left and right delivery valves 6a and 6b are configured to be rotationally driven in the same direction.

The grains stored in the grain storage tank 10 are moved between the upper right guide plate 44b and the lower right end of the upper left guide plate 44a by rotating the left and right feed valves 6a and 6b. Flows down, and as shown in FIG.
This is a configuration in which kernels are harvested on the upper side of the, and fed out to the lower side through the lateral outside. Also, the lower left end of the upper left guide plate 44a,
The grains flow down between the left side wall plate of the supply valve case 5 and
As shown in FIG. 14, the grain is taken out at the upper side of the left feed valve 6a, and is fed to the lower part via the lateral inner side.

At the front end of each of the feed shafts 6c of the left and right feed valves 6a, 6b, as shown in FIG. 14, left and right feed sprockets 45a, 45b are provided so as to be pivotally supported, and provided on the motor mounting plate 42b. The valve motor 42 has a configuration in which a motor sprocket 42a is pivotally provided. The left and right feed sprockets 45a and 45b and the motor sprocket 42a have a chain 45c. The rotation of the valve motor 42 drives the left and right delivery valves 6a and 6b to rotate.

Thus, the left and right delivery valves 6a,
By driving the 6b to rotate in the same direction, the transmission mechanism is simplified and the cost is reduced. Also, it is relatively easy to secure the capacity of the grain storage tank 10. 1 and 6, on the front side of the delivery valve case 5.
And a blower 35 as shown in FIG.
A blower pipe 35a is provided and connected between the rear side wall and the front side wall plate of the feed valve case 5, and the blower pipe 35a and the bottom 7d of the grain collecting shelf 7 of the feed valve case 5 are provided. Is a configuration in which communication is established. The rear side wall plate of the blower 35 has a suction pipe 35 projecting rearward.
b, and a suction net 35c is provided at the tip of the suction pipe 35b to prevent inhalation of straw waste and the like, and to suck in outside air.

At the rear side of the delivery valve case 35, as shown in FIGS.
The grain discharge transfer device 37 is provided with a lower horizontal transfer cylinder 38.
a, a vertical transfer cylinder 38c, an upper horizontal transfer cylinder 38b, a discharge cylinder 39b provided with a discharge port 39c, and curved joint transfer cylinders 39a for connecting these. This is a structure integrally formed by joining at 39a.

The transfer start end of the lower horizontal transfer cylinder 38a is mounted on the rear side wall of the delivery valve case 5 as shown in FIG. The joint between the lower joining transfer cylinder 39a and the vertical transfer cylinder 38c is received by a lower support 40a provided on the upper side of the traveling undercarriage 2, and the vertical transfer cylinder 38c is rotatably supported. is there. An upper support 4b is provided outside the joint between the upper joining transfer tube 39a and the upper horizontal transfer tube 38b, and a support plate 40c is provided at the upper end of the vertical transfer tube 38c. . A rotary cylinder 41 driven by hydraulic pressure is provided between the support plate 40c and the upper support 40b, and the upper horizontal transfer cylinder 38b and the discharge cylinder 39b are vertically rotatable by the operation of the rotary cylinder 41. Configuration.

Grains are fed by left and right feed valves 6a and 6b pivotally supported on the left and right sides of the grain collecting shelf 7 in the feeding valve case 5, and the grains are fed down to the bottom 7d of the grain collecting shelf 7. The outside air sucked from the suction net 35c of the suction pipe 35b is blasted by the blower 35, and the blast is blown from the blowpipe 35a to the bottom 7d of the grain collection shelf 7, and this blast causes The grains supplied into the bottom 7d are supplied to a lower horizontal transfer cylinder 38a, a lower joining transfer cylinder 39a, and a vertical transfer cylinder 38.
c, transferred from the upper joining transfer cylinder 39a and the upper horizontal transfer cylinder 38b into the discharge cylinder 39b, and the discharge port 3 of the discharge cylinder 39b
9c is discharged outside the machine.

The blower 35 is configured to rotationally drive the power from the engine 20 via a transmission mechanism (not shown) or the like to generate blast and blow the air. Under the guide funnel 10c below the grain storage tank 10, grain feeding devices 4 and 4 are provided on both left and right sides as shown in FIG. Each grain feeding device 4 is provided with each feeding valve case 5, each feeding valve case 5 is provided with each grain collection shelf 7, and a bottom portion 7 d is provided below each grain collection shelf 7. In the grain collecting rack 7, left and right feed valves 6a and 6b are separately rotatably supported on the left and right sides.
The left and right feed valves 6a and 6b are configured to be individually rotated and driven by individually provided valve motors 42 and 42, and are configured to be individually startable and stoppable.

Each blower 35 is provided on the front side of each delivery valve case 5, and each blower pipe 35 a is provided between the rear wall plate of each blower 35 and the front wall plate of each delivery valve case 5. Provided and connected to each other. Each of the blower pipes 35a and each of the bottoms 7d below the grain collecting shelves 7 are configured to communicate with each other. The rear wall plate of each blower 35 is provided with each suction pipe 35b projecting rearward, and the front end of the suction pipe 35b is provided with each suction net 35b.
c is provided to prevent the inhalation of straw waste or the like and to inhale the outside air.

The blower motors 46 are individually provided on the outer side surface of the front side wall plate of each of the blowers 35, and the blowers 35 are individually driven to rotate. At the rear side of each of the feed valve cases 5, each grain discharge / transport device 37 is individually provided.
8a, an upper and lower transfer cylinder 38b, a vertical transfer cylinder 38c, a discharge cylinder 39b provided with a discharge port 39c, and curved joint transfer cylinders 39a for connecting these. This is a configuration integrally formed by joining at 39a. The transfer start end of each lower horizontal transfer cylinder 38a is mounted on the outer side surface of the rear side wall plate of each delivery valve case 5.

Each of the grain collecting shelves 7 in each of the feed valve cases 5
The grains are fed out by left and right feed valves 6a and 6b which are individually supported by the shafts, flow down to the bottom 7d of each of the grain collecting shelves 7, and are supplied to the respective suction pipes 35b. The outside air sucked from the suction net 35c is blown by each blower 35, and the blown wind is blown from each blow pipe 35a to the bottom 7d of each grain collecting shelf 7, and by this blow, each bottom 7d is blown.
The grains supplied into the inside are divided into a lower horizontal transfer cylinder 38a, a lower joint transfer cylinder 39a, a vertical transfer cylinder 38c, and an upper joint transfer cylinder 3
9a, it is transferred from the upper horizontal transfer tube 38b into the discharge tube 39b, and discharged from the discharge port 39c of the discharge tube 39b to the outside of the machine.

The guiding funnel 10c of the grain storage tank 10
On the lower side, each delivery valve case 5 is separately provided, left and right delivery valves 6a and 6b are separately provided on the left and right sides, and further, each blower 35 and each grain discharge transfer device 37
Are provided separately. Thereby, when discharging to a grain receiving box or the like smaller than the capacity of the grain storage tank 10, it is possible to discharge to a plurality of grain receiving boxes or the like at once, which is convenient and different. Can be individually discharged to the discharge position.

Each of the blowers 35 for blowing air into each of the blow-out valve cases 5 simultaneously rotates the left and right blow-out valves 6a and 6b and simultaneously controls a blower motor 46 on one side from a control device 47 provided in the operating device 18a. In response to the output of the start signal, one of the blower motors 46 that rotates the one of the blowers 35 is started, and the one of the blowers 35 is started. Thereafter, after a predetermined time has elapsed, the control device 4
7, the signal for starting the blower motor 46 on the other side is output, so that the blower motor 46 on the other side for rotating the blower 35 on the other side is started, and the blower 3 on the other side is started.
5 is started.

Thus, the blower motors 46 for driving the blowers 35 do not start at the same time, so that the load on the engine 20 can be prevented at the time of startup. Guide plate 5 of the delivery valve case 5
The adjustment plates 5c, 5c are located above the a, 5a as shown in FIG.
Are provided so as to be movable up and down.
Is an adjustment motor (not shown) via each adjustment mechanism
Thus, the guide plates 5a, 5a are adjusted up and down by the long holes, so that the amount of grains to be fed can be adjusted.

As a result, the adjusting plates 5c, 5c can be automatically adjusted, so that the adjusting time can be shortened. The positions of the delivery blades 6d of the left and right delivery valves 6a and 6b provided inside the delivery valve case 5 are shifted by a predetermined angle on the left and right as shown in FIG.
a, 6b are attached and provided, and the timing of feeding out the grains is shifted by a predetermined interval.

As a result, the amount of grain flowing down and supplied to the bottom 7d of the grain collecting rack 7 in the delivery valve case 5 can be always kept constant, and the ability to transfer grain can be improved. it can. An inspection window 4 that can be sealed as shown in FIG.
8 so that the inside can be inspected.

Thus, the inside of the delivery valve case 5 can be easily inspected. The distance H between the lower end of the vertical transfer cylinder 38c of the grain discharge and transfer device 37 and the upper surface of the traveling chassis 2 is made as large as possible, and the rear surface of the grain storage tank 10 and the vertical transfer cylinder The distance L from the outer diameter of the cylinder 38c is made as large as possible, and the bending R of the lower joint transfer cylinder 39a is made as large as possible as shown in FIG. This is a configuration in which the transfer loss of the grain to be transferred is prevented at the transfer start end side.

As a result, it is possible to reduce the grain transfer loss in the joint transfer cylinder 39a below the transfer start end of the grain discharge and transfer device 37, thereby improving the grain transfer efficiency. Can be done. The grain storage tank 10
16 and 17, a grain feeder 4 is provided below the guide funnel 10c.
In the box-shaped feeding valve case 5, a grain collecting shelf 49 having a substantially V-shape in side view is fixedly provided, and the grain collecting shelf 49 forms front and rear feeding portions 49a and 49b on both front and rear sides of an upper portion. The front and rear feeding plates 49a and 49b, and the flow-down shelves 49c and 49c connected to the front and rear feeding plates 49a and 49b and inclined toward the lower inside are provided. or,
Between the inner front ends of the front / rear delivery plates 49a, 49b and the outer circumferences of rotation of the front / rear delivery valves 50a, 50b, which will be described later, there are formed discharge ports 49d, 49d for delivering grains. is there.

The front and rear feeding plates 49 a, 4 of the grain collecting rack 49.
The front and rear delivery valves 50a and 50b are rotatably provided between the left and right wall plates of the delivery valve case 5 above the 9b. Before and after this delivery valve 50a, 50b
Is provided with a plurality of delivery blades 50d fixedly attached to the delivery shaft 50c. At the tip of each of the delivery blades 50d, a delivery blade tip 50e made of a rubber material or a resin material having high wear resistance is bolted. And a nut so as to be detachable, so that the gap between the front and rear feeding plates 49a and 49b of the grain collecting rack 49 can be adjusted. The grains fed by the front and rear feeding valves 50a and 50b are fed out on the upper side surfaces of the front and rear feeding plates 49a and 49b, and flow down from the respective discharge outlets 49d at the front ends to the flow-down shelves 49c. The air is supplied to the inside of the blower cylinder 51 from the downflow port 51 a of the blower cylinder 51 provided between the front and rear wall plates of the case 5.

A mountain-shaped upper guide plate 52a is provided above the front / rear delivery valves 50a, 50b.
A lower guide plate 52b having a substantially semicircular shape and an upper portion connected to the upper guide plate 52a is provided between the rear feed valves 50a, 50a. On the outer surface of the front wall plate of the delivery valve case 5, a blower pipe 35a connected to the blower 35a is provided,
The blower pipe 35a is connected to a transfer start end of a blower tube 51 provided in the delivery valve case 5.
Further, on the outer surface of the rear wall plate of the delivery valve case 5, a lower horizontal transfer cylinder 38 a is provided, and the lower horizontal transfer cylinder 38 a and the blower cylinder 51 provided in the delivery valve case 5 are provided.
Are connected to each other. This blower cylinder 5
Reference numeral 1 denotes a configuration provided substantially at right angles to the front / rear delivery valves 50a and 50b.

The grains supplied into the blower cylinder 51 in the delivery valve case 5 are generated by the blower 35 from the blower 35.
The air is blown into the blower tube 51 from the blower pipe 35a, and the blast causes the grains to be transferred to the lower horizontal transfer tube 3 of the grain discharge transfer device 37.
8a, the lower joining transfer tube 39a, the vertical transfer tube 38c, the upper joining transfer tube 39a, the upper horizontal transfer tube 38b, and the discharge tube 39
In this configuration, the paper is discharged from the discharge port 39c to the outside of the machine via the “b”.

The blower cylinder 51 is provided with a front / rear delivery valve 50.
By disposing them at right angles to a and 50b, the disassembly and assembly of these front and rear delivery valves 50a and 50b are easy and simple.

[Brief description of the drawings]

FIG. 1 is an enlarged cross-sectional view of an extended valve case.

FIG. 2 is an enlarged plan view of a delivery valve case portion.

FIG. 3 is an enlarged front view of a delivery bubble.

FIG. 4 is an enlarged rear sectional view of a delivery valve case portion.

FIG. 5 is an enlarged rear view of a delivery valve case portion.

FIG. 6 is an overall right side view of the combine.

FIG. 7 is an overall left side view of the combine.

FIG. 8 is an overall plan view of the combine.

FIG. 9 is an entire rear view of the combine in which a part is broken.

FIG. 10 is an enlarged side view of a grain discharging and transferring device.

FIG. 11 is a side sectional view of the entire threshing machine.

FIG. 12 is a sectional view taken along line AA of FIG. 11;

FIG. 13 is a view showing another embodiment, and is an enlarged rear sectional view of a delivery valve case portion.

FIG. 14 is a view showing another embodiment, and is an enlarged rear sectional view of a delivery valve case portion.

FIG. 15 is a view showing another embodiment, and is a rear view of a delivery valve case portion.

FIG. 16 is a view showing another embodiment, and is an enlarged side sectional view of a delivery valve case portion.

FIG. 17 is a view showing another embodiment, and is an enlarged front sectional view of a delivery valve case portion.

[Explanation of symbols]

 2 Traveling chassis 4 Grain feeding device 5 Feeding valve case 6a Left feeding valve 6b Right feeding valve 7 Grain collecting shelf 7a Left feeding portion 7b Right feeding portion 10 Grain storage tank 35 Blower 37 Grain discharge / transport device 47 Control device

 ──────────────────────────────────────────────────の Continued on the front page F term (reference) 2B396 JA04 JC08 KC02 KC12 KE03 KE04 KE07 LA13 LC07 LC20 LE02 LE18 LR02 LR13 LR19 MC02 MC07 MG05 MG09 MJ12 RA22

Claims (3)

[Claims] 1. A grain feeding device 4 for feeding grains to a lower side of a grain storage tank 10 for storing grains on an upper side of a traveling undercarriage 2.
And a combine provided with a blower 35 for blowing wind to a grain discharge / transfer device 37 for transferring the fed grains to the outside of the machine by air transfer and discharging the grains outside the machine, inside the delivery valve case 5 of the grain delivery apparatus 4. Left and right feeding sections 7 on the left and right sides of the collected grain shelf 7
The left and right delivery valves 6a, 6b for feeding the grains toward the inside on the sides a, 7b are rotated inward in the longitudinal direction of the grain storage tank 10 from the upper side to the lower side via the lateral outside parts. A combine grain discharging device characterized by being supported by a shaft. 2. The combine grain discharge device according to claim 1, wherein the grain discharge transfer device 37 is provided separately for each of the left and right feed valves 6a and 6b. 3. A control device 47 for starting and controlling at a predetermined time interval each blower 35 provided individually to blow each grain discharge transfer device 37 provided individually for each of the left and right feed valves 6a and 6b. The combine grain discharging device according to claim 1 or 2, wherein: