JP7056702B2 - Threshing device - Google Patents

Description

The present invention relates to a threshing device provided with a handling room and a dust disposal room.

It is equipped with a handling chamber with a handling cylinder mounted on it and a dust processing chamber with a dust handling cylinder mounted on the shaft. There is a threshing device equipped with a fourth grain collection chamber that collects the grain. (See Patent Document 1.)

Japanese Unexamined Patent Publication No. 2012-055316

A partition plate is provided on the rear side of the communication port that connects the handling room and the dust treatment room to form the front partition wall of the fourth grain collection chamber, and a large amount of dust such as straw waste is discharged in the fourth grain collection chamber. However, the efficiency of collecting the shavings is not good because a lot of straw waste gets into the 4th shavings collection chamber.

The present invention has been made in view of the above, and is to provide a threshing apparatus which reduces the straw debris in the fourth grain collection chamber and improves the recovery efficiency of the grain.

The present invention
A handling chamber (11) on which a handling cylinder (10) having a large number of handling teeth (10a) is mounted, and a dust removal processing cylinder (
A dust treatment chamber (19) on which 18) is mounted is provided, and a tooth handling tooth (10a) at the rear end of the handling cylinder (10) is further provided.
) Is provided with a fourth grain collection chamber (21) for collecting the grain.
In the threshing device provided with a shielding plate (23) between the chamber (21) and the dust disposal chamber (19), the shielding is performed.
A hole (24) that connects the fourth grain collection chamber (21) and the dust removal treatment chamber (19) to the cover plate (23).
And
The shielding plate (23) is bent from the steeply inclined surface (23a) having a steep downward slope, and the gentle tilting of the upward gentle slope is made.
A slope (23b) is provided, a hole (24) is provided in the gently inclined surface (23b) above the slope (23b), and a handling cylinder (10) is provided.
It is a threshing device characterized by driving and rotating from the lower side to the upper side of the shielding plate (23).
The first invention related to the present invention includes a handling chamber 11 on which a handling cylinder 10 having a large number of handling teeth 10a is mounted, and a dust processing chamber 19 on which a dust processing cylinder 18 is mounted. In a threshing device provided with a fourth grain collecting chamber 21 for collecting grains by a tooth handling 10a at an end and a shielding plate 23 provided between the fourth grain collecting chamber 21 and a dust removal processing chamber 19. This is a threshing device in which the shielding plate 23 is provided with a hole 24 for communicating the fourth grain collection chamber 21 and the dust removal treatment chamber 19.

According to the present invention , since the shielding plate 23 is provided with a hole 24 for communicating the fourth grain collecting chamber 21 and the dust disposal chamber 19, the straw debris of the fourth grain collecting chamber 21 is the hole 24 of the shielding plate 23. It is possible to efficiently collect the fourth grain by entering the dust disposal chamber 19 and reducing the amount of straw waste circulating in the fourth grain recovery chamber 21. Further, the shielding plate 23 is bent from the steeply inclined surface 23a below to form the gently inclined surface 23b above, a hole 24 is provided in the gently inclined surface 23b above, and the handling cylinder 10 is the shielding plate. Since the processed material is driven and rotated from the lower side to the upper side of the 23, the processed material is lifted along the steeply inclined surface 23a below the shielding plate 23, and the grain has a heavy specific gravity at the bending point at the upper end of the steeply inclined surface 23a, so the grain is directly upward. It flies away from the shielding plate 23 as the handling cylinder 10 is driven and rotated, but since the straw debris has a light specific gravity, it follows the inclination of the steeply inclined surface 23a when it exceeds the bending point at the upper end of the steeply inclined surface 23a. It falls downward from the extension line and is placed on the gently sloping surface 23b in large quantities. Can be sent within 19.
According to the first invention related to the present invention, since the shielding plate 23 is provided with a hole 24 for communicating the fourth grain collection chamber 21 and the dust disposal chamber 19, the straw waste of the fourth grain recovery chamber 21 is provided. Enters the dust removal treatment chamber 19 through the hole 24 of the shielding plate 23, and the straw debris circulating in the fourth grain collection chamber 21 can be reduced to efficiently recover the fourth grain.

The second invention related to the present invention is the threshing device of the first invention related to the present invention in which the hole 24 of the shielding plate 23 is provided above the dust removal processing cylinder 18.

According to the second invention related to the present invention, in addition to the effect of the first invention related to the present invention, the hole 24 of the shielding plate 23 is provided above the dust removal processing cylinder 18, so that dust is discharged. It is possible to prevent the processed material such as straw waste from flowing back from the hole 24 of the shielding plate 23 to the fourth grain collection chamber 21 due to the rotation of the processed material of the processing cylinder 18.

In the third aspect of the present invention , the shielding plate 23 is bent from the steeply inclined surface 23a below to form a gently inclined surface 23b upward, and a hole 24 is formed in the gently inclined surface 23b above. The threshing device according to the first or second invention according to the present invention, wherein the handling cylinder 10 is driven and rotated from the lower side to the upper side of the shielding plate 23.

According to the third invention related to the present invention, in addition to the effect of the first or second invention related to the present invention, the shielding plate 23 is bent from the steeply inclined surface 23a downward and loosened upward. Since the gently sloping surface 23b is formed, a hole 24 is provided in the gently sloping surface 23b above the slope, and the handling cylinder 10 is driven and rotated from the lower side to the upper side of the shield plate 23, the processed material is steep below the shield plate 23. It is lifted along the inclined surface 23a, and since the grain has a heavy specific gravity at the bending point at the upper end of the steeply inclined surface 23a, it flies upward as it is and separates from the shielding plate 23 with the driving rotation of the handling cylinder 10. Since the debris has a light specific gravity, when it exceeds the bending point at the upper end of the steeply inclined surface 23a, it falls downward from the extension line along the inclination of the steeply inclined surface 23a and is placed on the gently inclined surface 23b in large quantities. It is possible to enter the dust processing chamber 19 from the above and efficiently send the straw waste from the fourth grain collecting chamber 21 to the dust processing chamber 19.

A fourth aspect of the invention relating to the present invention is to use a dust-removing cylinder casing above the dust-removing cylinder 18 and on the opposite side of the handling cylinder 10 in the left-right direction with respect to the axis 18b of the rotation shaft 18b of the dust-discharging cylinder 18. It is a grain removal apparatus according to any one of the first to third inventions related to the present invention, in which 18a is provided and a hole 24 of a shielding plate 23 is provided above the dust exhaust processing cylinder casing 18a.

A fifth invention related to the present invention is the threshing apparatus according to any one of the first to fourth inventions related to the present invention, in which the hole 24 of the shielding plate 23 is provided so as to face the handling tooth 10a.

According to the fifth invention related to the present invention, in addition to the effect of any one of the first to fourth inventions related to the present invention, the hole 24 of the shielding plate 23 is provided so as to face the handling tooth 10a. The straw debris bounced off by the handling tooth 10a enters the hole 24 of the shielding plate 23 facing the handling tooth 10a, and the straw debris can be efficiently sent from the fourth grain collection chamber 21 to the dust disposal chamber 19. can.

The sixth invention related to the present invention is the threshing device of the fifth invention related to the present invention, in which two or more rows of handling teeth 10a are provided so as to face the holes 24 of the shielding plate 23.

According to the sixth invention related to the present invention, since the two or more rows of the handling teeth 10a are provided so as to face the hole 24 of the shielding plate 23, the straw debris bounced off by the two or more rows of the handling teeth 10a is generated. It can enter the holes 24 of the shielding plate 23 facing the two or more rows of teeth 10a, and efficiently send the straw debris from the fourth grain collection chamber 21 into the dust treatment chamber 19.

It is a side view of the combine provided with the threshing apparatus which concerns on embodiment of this invention. It is a plan view of the combine. It is a side sectional view of the main part of the combine. It is a normal cross-sectional view of the main part.

Hereinafter, embodiments of the five-row combine harvester disclosed in the present application will be described in detail with reference to the attached drawings. The present invention is not limited to the embodiments shown below.
<Overall configuration>
First, the overall configuration of the combine will be described with reference to FIGS. 1 and 2.

On the machine body 2 provided with the left-right traveling roller 1 as a traveling device, a cutting section 3 that can be raised and lowered is mounted on the front portion, and a threshing section 4 is mounted on the rear portion. An operation unit including an operation panel 5 and a driver's seat 6 is installed on the rear right side of the cutting unit 3.

Then, on the operation panels 5 on the front side and the side portion of the driving unit, a steering lever 5a for operating the side clutch and the side brake of the left and right traveling rollers 1 to steer the aircraft, and a left and right traveling rollers The main shift lever 5b that operates the hydrostatic continuously variable transmission HST that shifts and transmits the driving force from the engine to 1 and 1 in neutral and forward / backward shifting, and the drive to the cutting section 3 and the grain removal section 4 is turned on and off. The de-clutch lever 5c, the auger discharge lever 5d that turns on and off the discharge auger 27 described later, and the degraining clutch are engaged without driving the left / right traveling roller 1 and the cutting unit 3 to drive only the degraining unit 4. A hand-held lever 5e for switching to the hand-held work is provided.

Then, the drive sprocket 1a of the left and right traveling rollers 1 and 1 is driven and rotated by the left and right drive shafts to which the driving force is transmitted from the hydrostatic continuously variable transmission HST that shifts and transmits the driving force from the engine. , The left and right traveling rollers 1 and 1 are driven and rotated.

In addition, a Glen tank G is installed behind the driving unit. A straw cutter that cuts the straw after the threshing process to a predetermined length is installed at the rear portion of the threshing unit 4.
<Mowing section 3>
The cutting unit 3 sandwiches a weed culm 7 for weeding the standing hair culm K, a raising device 8, a cutting device 9 for cutting the raised grain culm, and a stock base portion of the cut grain culm. It is composed of a stock root transport chain as a stock root transport device for lifting and transporting, and a tip transport chain for lifting and transporting by locking and holding the tip side of the grain culm.
<Threshing section 4>
In the threshing section 4, a receiving net 12 is stretched along the lower half peripheral portion of the handling chamber 11 in which the handling cylinder 10 having a large number of handling teeth 10a is provided on the outer periphery thereof and the internal shaft is mounted on the handling cylinder shaft 10b. The handling cylinder cover 13 that covers the upper portion of the handling chamber 11 is configured to be swingable and openable around an axis parallel to the handling cylinder shaft 10b direction.

On one side of the handling chamber 11 on the handling port 11a side, the threshing chain 14 that takes over and transports the stock root portion of the grain culm that is lifted and transported by the stock root transport chain of the cutting section 3 and the pinching that is opposed to the above side. A rail 15 is arranged. The holding rail 15 is mounted on the handling body cover 13 side and swings open and closes together with the handling body cover 13. On the other side of the threshing chamber 11 opposite to the threshing chain 14 side, a second processing chamber 17 having a processing cylinder 16 mounted on an internal shaft is juxtaposed. Further, behind the processing cylinder 16, a dust exhaust processing chamber 19 composed of a dust exhaust processing cylinder casing 18a on which a dust exhaust processing cylinder 18 is mounted on an internal shaft is configured and provided on the same shaft core.

As shown in FIGS. 3 and 4, the handling tooth 10a sends a threshing action and a processed product (threshing) to the lower side of the handling chamber 11 with the drive rotation in the direction of the arrow (a) of the handling cylinder 10. The structure is arranged so that the dusting action works.

A partition plate 20 is provided on the lower side (rear side) of the processing chamber 11 for transporting the processed material, and the rear portion of the handling chamber 11 is used as the fourth grain collection chamber 21.

The partition plate 20 is a partition wall having a height of about 25 mm, and in a state where the peripheral portion of the handling cylinder 10 of the handling chamber 11 is blocked, dust is collected on the lower side (rear side) of the processed material. Suppress sending to room 21. Most of these dusts are supplied to the dust treatment chamber 19 via the communication port 22 of the handling chamber 11 and the dust treatment chamber 19, and are sent to the fourth dust collecting chamber 21 on the rear side. The amount of dust (dust) mixed with grains is reduced, and the fourth loss, which is an external loss, can be reduced.

The fourth grain collection chamber 21 and the dust removal treatment chamber 19 are separated by a shielding plate 23.

That is, the fourth grain collection chamber 21 is formed as a space isolated at the rear of the handling chamber 11 by the partition plate 20 and the shielding plate 23.

Here, the configuration of the shielding plate 23 will be described in more detail with reference to FIGS. 3 and 4.

The shielding plate 23 is a partition wall that separates the fourth grain collection chamber 21 and the dust disposal chamber 19 from the upper position of the fourth grain collection chamber 21 to the lower position of the handling cylinder 10.

The shape of the shielding plate 23 is a gently inclined surface 23b that is bent from the steeply inclined surface 23a from the position below the handling cylinder 10 to the position of the handling cylinder shaft 10b of the handling cylinder 10. Further, a hole 24 for communicating the fourth grain collection chamber 21 and the dust removal treatment chamber 19 is provided on the upper gently inclined surface 23b.

The holes 24 are arranged above the upper end of the dust removal processing cylinder casing 18a of the dust removal processing chamber 19 (arranged above the dust removal processing cylinder 18), and with the handling cylinder shaft 10b shaft core of the handling cylinder 10. It is arranged above the straight line A connecting the rotation shaft 18b of the dust removal processing cylinder 18 and above the closest point B between the outer circumference of the handling cylinder 10 and the outer circumference of the dust removal processing cylinder 18.

The dust removal treatment cylinder casing 18a is provided above the dust removal treatment cylinder 18 and on the opposite side of the handling cylinder 10 in the left-right direction with respect to the axis 18b of the rotation shaft 18b of the dust removal treatment cylinder 18 to shield the dust removal treatment cylinder 18. The position corresponding to the hole 24 of the plate 23 is open. The dust removal processing cylinder 18 is driven and rotated in the direction of the arrow (b).

Therefore, by dropping the straw debris separated in the No. 4 chopped grain collection chamber 21 from the hole 24 of the shielding plate 23 into the dust removal treatment chamber 19, the straw debris circulating in the No. 4 chopped grain collection chamber 21 is reduced and the No. 4 is used. It is possible to efficiently collect the small grains, reduce the amount of processed material leaking into the lower sorting chamber 25 described later, and improve the sorting performance.

In particular, the handling cylinder 10 is driven and rotated in the direction of the arrow (a), and the processed material is sent in the direction of the arrow (a). The steeply inclined surface 23a up to the above is bent to form a gently inclined surface 23b, and the upper gently inclined surface 23b is provided with a hole 24 for communicating the fourth grain collection chamber 21 and the dust disposal chamber 19. Therefore, the processed material is lifted along the steeply inclined surface 23a below the shielding plate 23, and since the grain has a heavy specific gravity at the bending point at the upper end of the steeply inclined surface 23a, it flies upward as it is and the arrow (a) of the handling cylinder 10. It moves away from the shielding plate 23 as the drive rotates in the direction, but since the straw debris has a light specific gravity, when it exceeds the bending point at the upper end of the steeply inclined surface 23a, it moves downward from the extension line along the inclination of the steeply inclined surface 23a. It falls and is often placed on the gently sloping surface 23b, and enters the dust removal treatment chamber 19 through the hole 24 of the gently sloping surface 23b. Therefore, the straw waste can be efficiently sent from the fourth shaving grain collection chamber 21 into the dust removal treatment chamber 19.

Further, the hole 24 of the shielding plate 23 is arranged above the upper end of the dust exhaust processing cylinder casing 18a of the dust exhaust processing chamber 19 (arranged above the dust exhaust treatment cylinder 18), and is handled by the handling cylinder 10. It is arranged above the straight line A connecting the barrel shaft 10b shaft core and the rotation shaft 18b shaft core of the dust removal treatment cylinder 18, and above the closest point B between the outer circumference of the handling cylinder 10 and the outer circumference of the dust removal treatment cylinder 18. Since it is arranged, it is possible to prevent the processed material such as straw waste from flowing back from the hole 24 of the shielding plate 23 to the fourth grain collection chamber 21 due to the rotation of the processed material of the dust removal processing cylinder 18.

Further, the holes 24 of the shielding plate 23 are formed so as to face the two rows of handling teeth 10a of the handling cylinder 10. It should be noted that the teeth 10a having three or more rows may be faced. When the handling tooth 10a faces the hole 24 of the shielding plate 23, the handling tooth 10a is located between the vicinity of the front end and the vicinity of the rear end of the hole 24 in the front-rear direction of the machine body, and the straw waste is sent to the hole 24 by the handling tooth 10a. A configuration that can be used.

Therefore, the straw debris bounced off by the two or more rows of the handling teeth 10a of the handling cylinder 10 will fall into the hole 24 of the shielding plate 23 facing the two or more rows of the handling teeth 10a, and the straw debris will be efficiently removed. It can be sent from the small grain collection chamber 21 to the dust disposal chamber 19.

Further, a cutting edge 26 made of a rigid material is provided on the inner surface of the handling cylinder cover 13 of the fourth grain collection chamber 21. The cutting edge 26 is arranged so as to face the rotation range of the handling tooth 10a, and has a configuration in which a receding angle is given with respect to the rotation direction of the handling tooth 10a.

The cutting blade 26 appropriately cuts and drops the processed material carried by the handling teeth 10a with a relatively small horsepower consumption, and efficiently removes the straw waste from the fourth grain collection chamber 21 to the dust removal processing chamber. Can be sent within 19.

The cutting edge 26 may be used as a guide member made of a plate body made of a rigid material, and the straw debris may be dropped from the fourth grain collecting chamber 21 into the dust removal processing chamber 19 and sent. Further, the guide member may be a flexible brush-like member or may be made of a flexible rubber.

A swing sorting device (swing sorting shelf) erected so as to be swingable is provided below the handling chamber 11 and the fourth wall insert collection chamber 21, and further below the swing sorting device (from the upper side in the sorting direction) in order. , The wall insert, the No. 1 transfer spiral, the No. 2 transfer spiral, and the dust discharge fan above the second transfer spiral are arranged to form the sorting chamber 25. The No. 1 grain raising device lifts the grains collected by the No. 1 transfer spiral and stores them in the Glen tank G, and the grains in the tank G are turned on and off by the auger discharge lever 5d. It can be taken out by. Further, the No. 2 grain raising device is designed to reduce the No. 2 processed product collected by the No. 2 transfer spiral into the dust removal processing chamber 19.

The swing sorting device has a configuration in which the processed product after the threshing process from the handling chamber 11, that is, the object to be processed is received and sieved and sorted while being shaken and transferred. The burs and straw racks are arranged in this order, and the grain sieve and the first return shelf are arranged and integrally provided below the chaf sieve. It is configured to receive the processed material leaked from the handling chamber 11 and the fourth wall insert collection chamber 21 due to the action and perform the sieving sorting process while swinging and transferring.

10 Handling cylinder 10a Handling teeth 11 Handling room 18 Dust removal treatment cylinder 18a Dust removal treatment cylinder casing 19 Dust removal treatment room 21 No. 4 shavings collection room 23 Shielding plate 23a Steep slope surface 23b Slowly sloped surface 24 holes

Claims (1)

A handling chamber (11) on which a handling cylinder (10) having a large number of handling teeth (10a) is mounted, and a dust removal processing cylinder (
A dust treatment chamber (19) on which 18) is mounted is provided, and a tooth handling tooth (10a) at the rear end of the handling cylinder (10) is further provided.
A threshing device provided with a fourth-sized grain collection chamber (21) for collecting the shavings by () and a shielding plate (23) between the fourth-sized shavings collection chamber (21) and the dust disposal chamber (19). In the hole (24) that communicates the fourth grain collection chamber (21) and the dust removal treatment chamber (19) with the shielding plate (23).
And
The shielding plate (23) is bent from the steeply inclined surface (23a) having a steep downward slope, and the gentle tilting of the upward gentle slope is made.
A slope (23b) is provided, a hole (24) is provided in the gently inclined surface (23b) above the slope (23b), and a handling cylinder (10) is provided.
A threshing device characterized in that the shield plate (23) is driven and rotated from the lower side to the upper side .

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