JP2578132Y2 - Threshing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

INVENTION The present invention relates to a threshing machine to be able to take advantage to combine.

[0002]

2. Description of the Related Art Conventionally, a swing sorting body is installed in a sorting air passage extending from below a handling chamber to a dust sorting chamber, and a second trough having a second transfer spiral installed therein is provided below a second sorting section. , Second transfer spiral
The end of the spiral shaft extends outside the side plate of the sorting chamber,
A protruding plate is provided at the extension, and a second product is formed by the protruding plate.
Supply to the starting end of the second reduction spiral cylinder connected to the guard gutter ,
A threshing machine in which the second product is returned to the swing sorter or the handling room by the second reduction spiral cylinder is already known.

[0003]

The present invention is to provide a contact to the known threshing machine
Side of the sorting unit so that the second transfer spiral and the spiral axis pass
The opening in the plate is relatively larger than the outer circumference of the second transfer spiral.
A grain that was sprung out because it was formed in a large concentric shape
A play phenomenon occurs in the grains and straw waste, and the straw waste is carried around and jumps out
It is easy to wrap around the board, and it will be popped out by the jumping board
The second product that is about to flow back into the sorting room through the large opening
In some cases, it was scattered and the transition to the second reduction spiral cylinder was not smooth, and the transfer portion was sometimes clogged.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a swing sorting body 1 is provided in a sorting air passage extending from below a handling chamber 3 to a rear dust sorting chamber 6 behind.
5 is provided, and below the first sorting section of the swing sorting body 15 , the first receiving gutter 9 in which the first transfer spiral 16 is provided is provided, and below the second sorting section on the lower side in the transfer direction. Second transfer spiral 1
In a threshing machine provided with a second receiving trough 11 in which a second 8 is provided and a second reduction spiral cylinder 22 communicated with a transfer terminal side of the second receiving trough 11 , the side plate 20 of the dust sorting chamber 6 is provided . The second
An opening 21 is provided at a position facing the transfer spiral 18 so that the second
The end of the spiral shaft 19 of the transfer spiral 18 passes through the opening 21.
To extend outwardly from the side plate 20, and
A protruding plate 26 protrudes from the portion, and the protruding plate 26 and the dust separation chamber 6 are provided.
Are separated by the side plate 20 and bounced by the jumping plate 26.
The discharged second product is supplied to the start end of the second reduction spiral cylinder 22.
And the spiral shaft 1 of the second transfer spiral 18
The side on which the jump plate 26 rotates upward when viewed from nine directions.
That is, the second transport spiral 1
8 and the space between the upper edge 20a of the opening 21 and
The opening 21 is formed wider by the
The lower side in the rotation direction of the jumping plate 26 with respect to the
26, the outer end of the second transfer spiral 18
By reducing the distance between the upper edge 20a of the opening 21 and
The above-mentioned problem was solved by forming the opening 21 narrow .

[0005]

[Function] Grains and small straw chips in threshing material generated in the handling room leak from the receiving net to the starting end of the rocking sorter, and while being rocked and transported, the specific gravity is sorted and the grain is in the lower layer. , The straw debris moves to the first sorting part in a floating state, the first grain leaks at the first sorting part, is air-selected and falls into the gutter first, and the first transfer spiral is When transported, the frying cylinder is lifted and put into an appropriate container such as a hopper or a grain tank. The straw waste containing the second thing left on the first sorting section is transferred to the second sorting section and further subjected to sieving and wind screening, and the second piece falls into the second receiving trough and is transferred to the second receiving section The spiral moves to the side of the fuselage, and the jumping plate jumps out of it
And the pumping spiral in the second reduction spiral cylinder takes over and is pumped, and is returned from the throwing section at the end of the pumping to the transfer start end side of the swing sorting body.

[0006] Then, the second object is moved to the side plate by the second transfer spiral.
Is transferred from the opening to the popping plate, and the second
In the process of popping out toward the starting end of the reduction spiral cylinder,
The opening has a wide opening at the start end side of the jumping plate.
Therefore, the second object transferred by the second transfer spiral is
It is easy to be pushed out from the side plate to the jumping plate outside the side plate, and
The opening is located on the lower side in the rotation direction of the pop-up plate, that is, the pop-up plate
And so that narrows as the end side, splashing out has been double-dip products,
Especially less that straw dust, etc. is returned splashing into sorting room, Jump
The second thing that the exit plate jumps out surely shifts to the lifting spiral.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described with reference to the drawings. A sorting wind path constituted by a dust discharge windmill 7 provided above the rear of the sorting chamber 6 includes a stepped transfer plate 8, a Glen sheave 10 facing the first gutter 9, and a second gutter 11. Second sorting section 1
2, and the upper transfer sorting unit 13 whose starting end faces the lower part of the dust outlet
The swing sorting body 15 constituted by is constructed so as to swing back and forth.

A first transfer spiral 16 is provided in the first receiving gutter 9 and a discharge port of a first-most grain cylinder 17 connected to the end of the transfer is provided with a grain tank (machine base of a combine). The end of the second transfer spiral 18 in the second receiving trough 11 communicates with the lower part of the second reduction spiral cylinder 22 through an opening 21 provided in the side plate 20. The second reduction spiral cylinder 22 is inclined forward, and the throwing casing 23 fixed to the upper end thereof opens from the opening in the side wall toward the transfer plate 8, and the second product which is pumped up Are thrown back over the entire width of the transfer plate 8 by throwing blades projecting from the upper end of the spiral shaft and rotating in the flipping direction.

The spiral shaft 1 of the second transfer spiral 18
Reference numeral 9 denotes a part that extends into the second reduction spiral cylinder 22 through the opening 21 and is supported by the bevel gear case 25. The portion of the spiral shaft 19 that extends into the second reduction spiral cylinder 22 has an upper portion on the rear side.
A protruding plate 26 that protrudes beyond a portion corresponding to the outer periphery of the second transfer spiral 18 while rotating in the direction is protruded, and an upper edge 20 a (a lower edge of the side plate 20) of the opening 21 of the side plate 20 is
The dust separation chamber 6 and the inside of the second reduction spiral cylinder 22 are partitioned from each other , and as shown in FIG.
On the side A, that is, the side A where the jumping plate 26 starts to jump out,
Increase the distance between the outer periphery of the spiral 18 and the upper edge 20a of the opening 21.
The opening 21 is formed wide, and the opening 21
Is slightly wider than the rotation trajectory of the tip of the jumping plate 26, and the rotation of the
The lower side in the rolling direction, that is, the end B of the rebound of the rebound plate 26,
Between the outer periphery of the number transfer spiral 18 and the upper edge 20a of the opening 21
The gap is made smaller and the opening 21 is formed sequentially narrower.
Opening 21 in the vicinity of the end side B i.e. corresponding parts position the center line of the double-dip reducing spiral sleeve 22 Hanedashi of 6 double dip transport helix 18
It is narrowed so as to approach the outer periphery of.

A cross flow fan 27 provided immediately before the second receiving gutter 11 blows the air through the second receiving gutter 11 toward the exhaust wind turbine 7 and the rear wall of the dust sorting chamber 6. Board 29
Is bent in a U-shape, and the rear surface is fixed to an arm 30 pivotally supported by a fulcrum shaft 28. At the bottom, it hangs down along the front surface of a second flow plate 31 to reach the second trough 11. The lower end of the lever 32 which rotates with the arm 30 is connected to the swinging link of the swinging sorter 15 via the connecting rod 33 so that the lower wall 29 And the rubber plate 34 swings up and down and up and down in synchronization with the swinging sorting body 15, and when the sorting object is wet, the rear wall plate 29 or the second flow plate 31 contains a large amount of straw waste. Vibration is forcibly applied to the adhered or clumped material, or the material is scraped and supplied into the second receiving gutter 11. Reference numeral 35 denotes a straw conveying device, which conveys the straw discharged from the culm opening backward and supplies it to a cutter (or a binding device). 20a is the lower edge of the side plate 20, 22a is the second reduction spiral cylinder 22 and the side plate 2
0 is a connection part.

When the above-mentioned threshing machine is mounted on a machine stand of a combine to perform mowing and threshing, the grain stalks mowing and conveyed by the pre-processing device have their bases connected to the feed chain 36 and a pair of claws opposed thereto. It is supplied to the starting end of the rail and is nipped and conveyed. The spike side is inserted into the supply port and subjected to threshing treatment by the handling cylinder 2. The threshed by the handling falls down from the receiving net 4 onto the swing sorting body 15. And rocked. The first grain leaks into the first gutter 9 and is carried out, and is discharged at the same time. The dust transferred to the second sorting unit 12 and subjected to the sieve sorting and the wind sorting is discharged to a dust turbine. The second product sucked and discharged out of the machine from the machine 7 and dropped into the second receiving gutter 11 is moved to the grain tank side by the second transfer spiral 18 and transferred by the second reduction spiral cylinder 22 as described above. It is reduced to the plate 8.

The second transfer spiral 18 pushes the transferred second object from the opening 21 into the second reduction spiral cylinder 22. At this time, the opening start side of the opening plate 26 of the opening 21 becomes wider. Since the second object smoothly transitions, the gap between the upper edge 20a of the opening 21 and the outer periphery of the second transfer spiral 18 gradually narrows as the bouncing progresses, and finally the gap almost disappears, As a result, the second material including the straw waste and the grain that the jumping plate 26 has scooped is separated inside and outside so as to be cut by the side plate 20, and eventually, the second material that has jumped out is transferred to the dust sorting chamber 6. Without being returned or entangled with the jumping plate 26, it can be reliably jumped out while preventing clogging, and can be shifted to the lifting spiral in the second reduction spiral cylinder 22.

[0013]

According to the present invention, a swing sorting body 15 is erected in a sorting air passage extending from below the handling chamber 3 to the dust separation sorting chamber 6 at the rear, and below the first sorting portion of the swing sorting body 15. The first transfer spiral 16
Is provided, and a second trough 11 having a second transfer spiral 18 provided therein is provided below a second sorting section on the lower side in the transfer direction. In a threshing machine provided by connecting the second reduction spiral cylinder 22 to the transfer end side ,
The second transfer spiral 18 of the side plate 20 of the dust separation chamber 6
An opening 21 is provided at the opposing portion, and the second transfer spiral 18
The end of the helical shaft 19 is passed through the opening 21 and
The plate 20 is extended outward from the plate 20, and the projecting plate 26
And the jumping plate 26 and the dust separation chamber 6 are connected to the side plate 2.
The second item that is separated by 0 and is jumped out by the jumping plate 26
To the start end of the second reduction spiral cylinder 22.
When viewed from the direction of the spiral axis 19 of the second transfer spiral 18.
The side on which the jumping plate 26 rotates upward, ie, the jumping plate 2
6 and the outer periphery of the second transfer spiral 18 is opened
By increasing the distance between the upper edge 20a of the mouth 21
The opening 21 is formed wide, and the opening A
The lower side in the rotation direction of the jumping plate 26, ie, the jumping of the jumping plate 26
As the end side B approaches, the outer periphery of the second transfer spiral 18 and the opening 21
By reducing the distance from the upper edge 20a, the opening 21
Since the narrower, smooth press <br/> out towards double dip product which is transferred by a double-dip transport helix 18 from the wide part of Hanedashi start side of the opening 21 leading to the springing plate 26 in springing plate 26 And the jumping plate 26 scoops it up to form a second reduction spiral cylinder.
In the process of popping out to the starting end of the opening 22, the upper edge of the opening 21
20a is their spacing becomes narrower had with close toward the outer periphery of the double-dip transport helix 18, thereby double-dip product is dust-exhaust sorting chamber 6 side lower portion of the side plate 20 to be thrown by scooped up in the springing plate 26 sealed inhibitory bounced be of the to, without so that it can be accurately carried out the inheritance of the pumped spiral of double-dip reduction spiral cylinder 22,
It is possible to prevent the clogging and the straw waste at the transfer section from becoming entangled with the jumping plate 26.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view of a threshing machine.

FIG. 2 is a cross-sectional view of a second reduction device.

FIG. 3 is a vertical sectional side view of the same.

[Explanation of symbols]

6 Dust sorting chamber 11 No. 2 receiving gutter 15 Swing sorting body 18 No. 2 transfer spiral 20 Side plate 21 Opening 22 No. 2 reduction spiral cylinder 26 Jumping plate

Claims (1)

(57) [Scope of request for utility model registration] An oscillating sorting body is provided in a sorting air passage extending from below the handling chamber to a dust sorting chamber in the rear, and is transported below a first sorting portion of the oscillating sorting body. The second trough 1 is provided with the first trough 9 in which the spiral 16 is provided, and the second transfer spiral 18 is provided below the second sorting section on the lower side in the transfer direction.
1 is provided, in a threshing machine provided by communicating the double-dip reducing the spiral sleeve 22 to the transfer terminal end of the double-dip受樋11, wherein Haichirisen
A part of the side plate 20 of the separate chamber 6 which faces the second transfer spiral 18
The opening 21 is provided at the position, and the spiral shaft 19 of the second transfer spiral 18 is provided.
From the side plate 20 through the opening 21
It extends to the outside, and a projecting plate 26 protrudes from this extension,
The jumping plate 26 and the dust separation chamber 6 are separated by the side plate 20.
Cut and cut back the second object that was jumped out by the jumping plate 26
Along with being configured to supply to the starting end of the spiral cylinder 22,
When viewed from the direction of the spiral axis 19 of the second transfer spiral 18, the
The side on which the plate 26 rotates upward, ie, the pop-out plate 26 springs out.
On the start side A, on the outer periphery of the second transfer spiral 18 and above the opening 21
The opening 21 is formed by increasing the distance between the edge 20a.
The spring plate 26 is formed to be wide, and the spring plate 26
In the rotation direction, ie, the end B of the rebound of the rebound plate 26.
The outer periphery of the second transfer spiral 18 and the upper edge 20a of the opening 21
Opening 21 is made narrower by reducing the distance between
Threshing machine, characterized in that it was.