JPH0785690B2 - Combine harvester - Google Patents

Description

The present invention relates to a combine threshing machine for threshing and selecting grain culms cut by a reaping device.

(B) Prior Art Conventionally, a thresher having a treatment chamber extending from the side of the handling chamber to the rear is already known as disclosed in, for example, Japanese Utility Model Laid-Open No. 58-91254.

(C) Problems to be Solved by the Invention However, in the known thresher, if the No. 4 opening is arranged in the rear of the handling room, the No. 4 opening and the processing chamber have a positional relationship in which they are adjacent to each other on the left and right, and accordingly The process body wind blown from the leaking body (receiving net) of the chamber passed through the No. 4 port and was blown out of the machine along with dust etc., which was unsanitary and bounced from the leaking body of the processing chamber. There is a problem that the grain sticks to the straw, which is discharged outside the machine together with the straw and becomes a loss.

(D) Means for Solving the Problems In the present invention, the swing sorting body 25 is installed in the sorting air passage extending from the lower side of the handling room 12 to the rear side of the handling room 12, and the rear lateral one side of the handling room 12 is provided. From the rear of the handling chamber 12 to the processing chamber 14b in which the leaking body 41 is disposed on the outer periphery of the processing cylinder 16 is extended, the front portion of the processing chamber 14b is communicated with the handling chamber 12 and the processing chamber 14b Open the outlet 42 at the rear,
In a thresher provided with a straw transfer device 53 in the upper rear part of the handling chamber 12, a fourth port 55 is arranged at the rear of the handling chamber 12 on the side of the processing chamber 14b, and the leakage is seen in the front-back direction. A portion that extends the inner side of the lower body 41 to an upper portion that faces the fourth mouth 55 and that separates the leaked substance falling passage L from the leak body 41 between the leak body 41 and the fourth mouth 55. The above-mentioned problems were solved by vertically arranging a plate-shaped partition a.

(E) Action The grain culm is supplied and threshing is performed by the handling cylinder 11, and the grains and small straw debris in the threshing that have leaked leak from the receiving net 24 to the start end side of the rocking sorting body 25, and the rocking occurs. When transferred to the sorting net 29 by the dynamic sorting body 25, the grains to be sieve-sorted while being wind-selected by the sorting wind fall into the first receiving trough 28, and the second grains remaining on the sorting net 29 are two. The number is selected.

Further, the threshed straw is discharged from the culm 52 of the handling room 12 and conveyed rearward by the straw conveying device 53, but the stings and straw scraps taken out with the straw pass through the 4th opening 55. And falls onto the rocking sorting body 29.

On the other hand, long straws, panicles, etc. generated in the handling room 12 are transferred from the rear lateral one side of the handling room 12 to the processing room 14b and processed by the processing cylinder 16, where the grains and the subdivided grains are processed. The removed straw chips leak from the leak body 41, and the straw chips that have not leaked from the leak body 41 are transferred to the rear by the processing cylinder 16 and discharged from the rear discharge port 42. At this time, the processing body blast is blown out from the leak body 41 together with dust and the like, and the blast is blown up into the fourth opening 55 by the partition body a provided between the leak body 41 and the fourth opening 55. This is prevented and the suction windmill 34 sucks.

Further, since the partition body a is provided at a position separated from the leak body 41 by the leak body falling passage L, the grains protruding from the leak body 41 in the direction of the fourth port 55 hit the partition body a, It passes through the leaked substance falling passage L and falls onto the swinging sorting body 25 below.

Moreover, for example, the opening 55 of the processing chamber 14b is arranged so that the processing body wind and the grains coming out of the leak body 41 do not face the opening 55.
There is a problem that the leaking area of the leaky body 41 is reduced when the side facing the is constituted by a non-perforated wall or the like instead of the leaky body 41, but in the present invention, the inner side of the leaky body 41 faces the fourth port 55. It can be extended to the upper part, which increases the leakage area and enhances the treatment efficiency.

(F) Embodiments An embodiment of the present invention will be described with reference to the drawings. 1 is a thresher mounted on one side of a machine base 3 having a traveling device 2, and on the other side is a control panel in order from the front. 4, an engine 5, a driver's seat 6, a grain tank 7 and the like are provided, and a cutting device 8 is provided in the front part.
A pretreatment device including a vertical feeding device 9 and a lifting device 9a, and a straw treatment device such as a cutter 10 (or a binding device) are attached to the rear portion.

In the thresher 1, the handling cylinder 11 is axially mounted in the handling chamber 12 so that the front part of the dust removal chamber 11 is lowered, and the rear half of the handling chamber 12 on the right side in the traveling direction is located at one end of the dust sorting chamber 13. And a processing unit 14 whose front portion is lower than the rear portion and the handling chamber 12 is provided.
Is composed of a front transfer chamber 14a and a rear processing chamber 14b, and the transfer spiral 15 and the processing cylinder 16 are integrated into the processing chamber 14b, and the front end of the processing shaft 17 is an inlet plate 18. The rear end is the processing chamber 14
The rear wall 19a of the b is supported by bearings 17a, respectively, and the transfer chamber 14a and the handling chamber 12 communicate with each other through a dust inlet 20.

Further, along the handle 21 on the left side in the traveling direction, the feed chain 22
And a sandwiching rail 23, and the rocking sorting body 25 is installed from below the receiving net 24 of the handling chamber 12 to the dust sorting chamber 13 behind the handling chamber 12 in a side view. Corrugated transfer plate facing the underside of the
26, a downwardly inclined flow plate 27a facing the lower surface of the transfer chamber 14a,
It consists of a corrugated transfer plate 27b and a sorting net 29 facing the first gutter 28, and a straw rack 31 facing the second trough 30. Below the sorting net 29 and the straw rack 31, there are wind direction plates 3 respectively.
2 and 32 are provided, and a blower wheel 33 provided at the lower part of the corrugated transfer plate 26 and an upper part of the dust sorting chamber 13 (on the grain tank 7 side) and a rear end of the processing chamber 14b. The suction wind turbines 34 attached to the opposing portions form a sorting wind passage, and the sorting wind of the cross-flow fan 35 provided in the front part of the second gutter 30 blows through the straw rack 31 and the dust outlet 36. It is blowing out to.

Furthermore, the desk type cutter 10 is rotatably supported by a ladder type frame body 37 standing upright from the back side machine base 3, and the front side is a locking tool on the machine wall of the threshing machine 1. It is detachably locked by the dust collection chamber as shown in Fig. 2 during the cutting operation.
When the dust sorting chamber 13 is set up or the swing sorting body 25 is taken out, the stopper is removed, the dust is sorted 90 degrees around the shaft support, and the frame is clamped by the clamp 39. It can be locked to the body 37, and the ladder type frame body 37 supports the rear portion of the grain tank 7 with the connecting rod 38.

Next, the configuration of each part will be described.

[Through part]

Solid teeth 40 at the front end of the conical part at the front of the handle cylinder 11
, A low linear tooth 40a ··· at the rear part, a solid tooth 40b · · near the front part of the cylindrical portion of the handle cylinder 11, and a normal linear handle tooth 40c · · at the subsequent part, Line teeth 40d ... And solid teeth 40e ... are arranged in a row at a narrow interval alternately at the terminal end of the handling cylinder 11 at intervals in the circumferential direction.
The plate 24a to which the front part of is attached is composed of a steep sloped part at the front end and a gentle sloped part 24b following it, and a large number of leakage holes are formed in the gentle sloped part 24b.
24c ... is drilled.

Further, the grains scattered from the handling port 21 to the feed chain 22 side during the threshing process pass between the side wall and the transfer chamber 14a and fall on the rocking sorting body 25 as shown by the arrow in FIG.

[Processing part]

The processing cylinder 16 has a large number of solid-type processing teeth 16a having a lead angle for moving the processed material to the rear on the outer peripheral surface, and the plate surface is orthogonal to the processing axis 17 at the portion corresponding to the discharge port 42. The treatment teeth 16b are planted, the discharge port 42 directly faces the suction port of the suction wind turbine 34, and the suction wind turbine 34 is located above the swing sorting body 25 to remove dust. Since the sorting chamber 13 is sucked upward to improve the wind selection performance of the first and second products, and is lower than the discharge port 42, even if the straw waste leaks, it is surely sucked and discharged. The leakage body 41 of the processing chamber 14b is composed of a mesh body and extends from the outer middle portion to the inner upper portion facing the later-described fourth port 55 as shown in FIG. It has been stretched.

Further, as shown in FIG. 4, a front guide plate 43 which is widened toward the suction windmill 34 in a plan view is continuously provided on the front side of the discharge windmill 42 and the suction windmill 34. The dust discharged by the processing teeth 16a is sucked and discharged by the suction windmill 34, and is wind-selected during this period, and the remaining grains fall and are collected.

At that time, as shown in FIG. 7B, the bracket 43a hanging from the rear wall 19 near the lower portion of the discharge port 42 and the front guide plate 43.
A large number of parallel spokes 49 ...
When the support shaft 49a is driven by the processing shaft 17 via the crank arms 49b, 49b and the rod 49c while arranging the comb-shaped teeth, a large amount of straw scraps when the wet grain culms are threshed are the spokes. 49 .. Straws are screened without dropping by 49 .. Straws are surely discharged to the outside of the machine by the suction windmill 34.

Further, the rear wall 19a of the processing chamber 14b can be attached and detached with bolts 45, 45, and the cutter 10 is turned 90 degrees toward the grain tank 7 side to open the rear surface of the dust sorting chamber 13, 45,45
When the processing cylinder 16 is pulled out and the processing cylinder 16 is pulled back, the front end of the processing shaft 17 comes out of the sprocket 17b, and the processing cylinder 16, the transfer spiral 15 and the processing shaft 17 can be taken out integrally.

Furthermore, the lower side of the transfer spiral 15 has a large number of leakage holes 15a.
· It is covered with an iron plate 15b having
As shown in the drawing, the inner lower part is divided into two, and the divided part is fixed to a through frame 44 to which a pipe is welded, and the through frame 44 also supports the iron plate 15b as shown in FIG. The front end is screwed to the front wall 18 and the middle part is the outlet plate of the handling chamber 12.
It is supported by penetrating 18a, and the rear end is screwed to the rear wall 19a of the processing chamber.

[Grain discharging device and second reducing device]

A lifting cylinder 46 is erected at the end of transfer of the first trough 28, and the discharge part at the upper end of this lifting cylinder 46 is opened to the upper part of the grain tank 7 and communicates with it. At the transfer end of the trough 30 is installed a second reducing cylinder 47 standing diagonally upward and upward, and the outlet of the throwing casing 47a attached to the upper end of the second reducing cylinder 47 has the outlet of the rocking sorter 25. The second product opened toward the flow plate 27a and transferred to the grain tank 7 side by the second transfer spiral 30a is lifted by the lifting spiral in the second reduction cylinder 47, and at the upper end, the spiral. The blade 47c fixed to the shaft and rotating counterclockwise when viewed from above throws it toward the flow plate 27a.
It collides with the objects to be sorted flowing down on the flat flow plate 27a and is dispersed over a wide range over the entire width.

Further, the crossing portion of the fried cylinder 46 and the second reducing cylinder 47 is detachably connected by a connecting metal 48 and a screw as shown in FIG. 18 so that both form a frame through the machine wall, Fried cylinder 46
And the outlets 46a, 47 at the portion facing the base of the second reducing cylinder 47.
d is provided, and the outlets 46a, 47d are detachably screwed with the lids 50, 50 as shown in FIG. 15, or with the upper portion screwed as shown in FIG. It has a rim 50a on its bottom and a lid 50,50 with a hinge attached to the bottom so that it can be cleaned.
The outer casing 47b of the throwing casing 47a is screwed at one end and hinged at the other end to form a first tray.
It can be opened and closed as shown in Fig. 16.

[Processing room and No. 4]

The processing chamber 14b is eccentric to one side of the handling chamber 12 as shown in FIGS. 5 to 7, and is extended from one rear side of the handling chamber 12 toward the rear of the handling chamber 12 and the front portion is The transfer chamber 14a communicates with the handling chamber 12, and a discharge port 42 is opened at the rear of the processing chamber 14b. Further, behind the culm 52 in the upper rear part of the handling room 12, the rear part is displaced to the ear side in a plan view, is horizontal in a side view, and is a straw conveying device 53 composed of a pair of parallel conveying chains. And a fourth port 55 for collecting the grains falling from the grain culm transported by the straw transporting device 53 is provided in the rear part of the handling chamber 12.
As shown in FIGS. 6 and 13, the fourth port 55 is juxtaposed side by side at the rear of the handling chamber 12 on the side of the processing chamber 14b and at the middle of the machine width from the inside of the feed chain 22. Inner wall a that slanted toward the lower part, rear part plate b that slanted from the rear to the lower front diagonally, and a part that stretched diagonally outward along the ear side of the straw conveyor 53. The outer flow plate c that hangs inward is connected to form a funnel shape. The inner flow plate a is provided with the leak body 41 and the fourth port 5 of the processing chamber 14b.
5 is provided at a position separated from the leaked body 41 by the leaked substance falling passage L, and constitutes a plate-shaped partitioning body a for partitioning the fourth port 55 and the processing chamber 14b. The object to be sorted that has leaked from the inside is prevented from jumping out to the fourth port 55 by the partition body a (inner flow plate a), and falls into the feed chain 22 side of the swinging sorting body 25, and then to the fourth port 55. The dropped sashimi is the feed chain 22
And it falls into the opposite side and is selected.

The distance L ₁ between the lower end of the inner flow plate a and the side plate near the processing cylinder 16 is set to be larger than the gap L ₂ between the other side plate and the suction wind turbine.
On the side away from 34, a large amount of sorting wind from blower 33 is blown up.

[Machine frame]

As shown in FIG. 1 and FIG. 14, the machine frame of the threshing machine 1 is composed of left and right side plates 56, 56, a front wall 18 and a rear wall 19, and the left and right side plates 56, 56 have a rear portion higher than the front portion. It is divided into upper and lower parts by an oblique dividing line 57, and this dividing line part is removably fastened by a plurality of screws 58, so that the rocking sorting body 25 inclined so that the rear part becomes higher is placed at the bottom. Supported by the machine frame of 11
By pivotally supporting the processing cylinder 16 on the upper machine casing such that the front portion of the upper case casing is lowered, the upper machine casing can be divided and the swing sorting unit and the like can be easily maintained.

[Action]

In the threshing machine 1 in the combine, the root portion of the supplied grain culm is nipped and conveyed by the feed chain 22 and the pinching rail 23, and the ear side is inserted into the handling chamber 12 from the supply port and threshed by the handling barrel 11. It is processed.

At that time, the inserted grain culms are solid teeth 40 at the start end of the handling cylinder 11.
・ By rapidly moving to the rear part by means of linear teeth 40a near the base of the conical part and subsequent solid teeth 40b, it is possible to suppress the shedding of a large amount of grains at the initial stage of threshing while maintaining the normal Transferred to handle tooth 40c ...
At the terminal end, the grain culms, which are restrained from moving by the linear teeth 40d ... While being combed by the line-shaped linear teeth 40d. The removed straw is discharged from the culm outlet 52, and while it is conveyed diagonally rearward by the straw conveying device 53, the stings etc. taken out from the handling room together with the straw are the 4th mouth as described above. Go into 55.

On the other hand, the grains and small straw debris that have leaked from the receiving net 24 and the leak holes 24c fall onto the corrugated transfer plate 26 and the flow plate 27a of the rocking sorter 25, and are transferred and sorted, and the second reduction cylinder 47 is used. No. 2 from the colliding with the entire width of the flow plate 27a is dispersed and merged, while the grain is wind-selected by the sorting wind of the blower wheel 33 from the sorting net 29 into the first trough 28, The straw waste containing the second product remaining on the sorting net 29 is transferred to the straw rack 31 and sieved, and the second product is wind-selected by the sorting wind from the cross flow fan 35 to the second trough 30. It falls and is transferred to the second reduction cylinder 47.

On the other hand, among the grain removed in the handling chamber 12, long straws, panicles, etc. enter the transfer chamber 14a of the processing section 14 from the dust inlet 20 while being separated by the transfer spiral 15 and transferred or After being processed to a certain degree, it is sent to the processing chamber 14b, and at the same time, the grain leaks from the leak hole 15a .. and the processing cylinder 16 uses the processing teeth 16a .. Shattering of the spikes and cutting of long straw are performed while moving to the rear, and single grained grains and comminuted straw debris leaks from the leaking body 41 of the processing chamber 14b and is subjected to the swing selection. It falls on the body 25 and is rocked and sorted.

At this time, the process cylinder blast containing dust and the like blows out from the leak body 41, but this blast is caused by the partition body a (inner flow plate a) provided between the leak body 41 and the fourth port 55. It is prevented from being blown up from the fourth port 55, guided by the partition a, and sucked by the suction windmill 34 at the rear. Therefore, dust and the like hardly blow out from the vicinity of the fourth port 55 to the outside of the machine together with the above-mentioned wind, and the work can be performed hygienically.

Further, since the partition body a (inner flow plate a) is provided at a portion separated from the leak body 41 by the leak passage L, the grain protruding from the leak body 41 in the direction of No. 4 55 is partitioned. Since it hits the body a (inner flow plate a) and falls through the leaked substance falling passage L onto the swinging sorting body 25 below and is collected, the popped-out grains pass through the fourth port 55 and are discharged into straw. There is no risk of being stabbed or riding on the straw, which will be discharged outside the aircraft along with the straw.

Moreover, for example, the opening 55 of the processing chamber 14b is arranged so that the processing body wind and the grains coming out of the leak body 41 do not face the opening 55.
There is a problem that the leaking area of the leaking body 41 is reduced if the side facing the is made of a non-perforated wall or the like instead of the leaking body 41, but in the present invention, the inside of the leaking body 41 of the processing chamber 14b is the fourth port. It is possible to extend up to the upper portion facing 55, so that the leakage area can be expanded and the leakage efficiency can be improved.

On the other hand, the treated straw waste that has moved to the rear end of the processing chamber 14b is thrown from the discharge port 42 toward the suction wind turbine 34 side by the processing teeth 16b having no lead angle, and the suction wind turbine 34 is moved forward. And the rear wall 19 to select the air by a cyclone sorting wind, the grains fall on the lower Straw rack 31 and are collected, and the floating straw debris is sucked out of the machine mainly by the suction windmill 34. Some of the straw debris that has fallen off is wind-selected by the sorting wind from the cross-flow fan 35, and the Straw rack 31
And is discharged rearward from the dust outlet 36.

Furthermore, since the rear portion of the processing chamber 14b is inclined so as to be higher than the front portion, the swing sorting body 25 whose rear portion is higher than the front portion can be easily pulled out rearward.

(G) Effect of the Invention The present invention has the following effects by being configured as described above.

(I) By arranging the fourth port 55 side by side at the rear of the processing chamber 12 on the side of the processing chamber 14b, long straws or spikes that could not be processed in the processing chamber 12 are sent to the processing chamber 14b for re-processing. The processed, grained and comminuted straw waste is swung from the leaking body 41 in the processing chamber 14b to the swinging sorting body 25.
It is possible to enhance the processing and sorting performance of the grain removal by letting it leak to the top and collecting the stabs and the like brought out of the handling chamber 12 mixed with the straw through the fourth opening 55 on the swing sorting body 25. However, the processing chamber 14b and the fourth port 55 can be reasonably arranged side by side at the rear of the handling chamber 12.

(Ii) Even though the processing chamber 14b and the fourth port 55 are arranged side by side, it is necessary to prevent the process cylinder blast containing dust and the like from the leak body 41 from blowing up into the fourth port 55. It can be stopped by the partition body a provided between the 41 and the No. 4 55, and therefore dust and the like are not blown out of the No. 55 around the machine together with the above-mentioned wind and work hygienically. can do.

(Iii) Leakage material fall passage L for partition body a with respect to leak body 41
Since it is installed in the area separated by
The grain protruding in the 55 direction can be received by the partition body a, and can pass through the leaked substance falling passage L and fall into the lower swing sorting body 25. Therefore, the grain jumped out of the leaked body 41 is the fourth. Straw can be pierced through the mouth 55 or riding on the straw, and it can be accurately collected without being discharged to the outside of the aircraft together with the straw and becoming a loss.

(Iv) Moreover, for example, the opening 5 of the processing chamber 14b is arranged so that the wind and the grain coming out of the leaking body 41 do not face the opening 55.
If the side facing 5 is configured by a non-perforated wall or the like instead of the leaking body 41, there is a problem that the leaking area of the leaking body 41 is reduced, but in the present invention, since the partition a is provided, the processing chamber 14b It is possible to extend the inside of the leaking body 41 up to the upper portion facing the No. 4 opening 55, therefore, the leaking area can be expanded and the leaking efficiency can be enhanced, which in turn can improve the threshing treatment capacity. .

[Brief description of drawings]

The drawings show one embodiment of the present invention. Fig. 1 is a side view of the combine, Fig. 2 is a plan view of the same as above, Fig. 3 is a vertical side view of the threshing device, and Fig. 4 is a same vertical cut plane. Fig. 5 is a sectional view taken along the line A-A in Fig. 4, and Fig. 6 is a sectional view taken along the line BB in the above.
FIG. 7 (a) is a sectional view taken along line CC of FIG. 7, FIG. 7 (b) is a sectional view of another example of the same as above, FIG. 8 is a rear view, and FIG. 9 is a front view of a supply section of a handling chamber. Fig. 10 is a side view with the processing cylinder removed, Fig. 11 is a cross-sectional view of the processing shaft mounting device, and Fig. 12 is the sixth.
Fig. 13 is a sectional view taken along the line D-D in Fig. 13, Fig. 13 is a plan view showing the straw-conveying device and the fourth mouth, etc. Fig. 16 is a plan view of the upper part of the fried cylinder, Fig. 17 is an exploded perspective view of the lower part of the fried container, Fig. 18 is a view taken in the direction of arrow E of Fig. 15, and Fig. 19 is a cutter. FIG. 20 is a perspective view showing a state in which it is retracted and rotated rearward, FIG. 20 is a rear view, and FIG. 21 is a plan view showing a second object discharging state. 12 is a handling room, 14b is a processing chamber, 16 is a processing cylinder, 25 is a swing sorting body, 41 is a leaking body, 53 is a straw conveying device, 55 is a fourth opening, a is a partition, and L is a leaking substance. It is a fall passage.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takanori Otani Takanori Otani 667 Izamocho, Higashi Izumo-cho, Yatsuka-gun, Shimane Prefecture 1 Mitsubishi Agricultural Machinery Co., Ltd. Address 1 Mitsubishi Agricultural Machinery Co., Ltd. Judgment Panel of Judgment Chief Judge Yamada Yukiyuki Judge Judge Yasuo Minowa Judge Kenji Hara (56) Bibliography 58-91254 (JP, U) Fukui 59-113043 (JP, U) Actual Development Sho 59-136926 (JP, U) Actual Public Sho 55-30279 (JP, Y1) Actual Public Sho 55-30280 (JP, Y1)

Claims (1)

[Claims] 1. An oscillating sorting body 25 is installed in a sorting air passage extending from below the handling room 12 to the rear of the handling room 12, and from the rear side of the handling room 12 toward the rear of the handling room 12, A leakage body 41 is provided on the outer periphery of the processing cylinder 16.
Extending the processing chamber 14b provided with, the front portion of the processing chamber 14b is communicated with the handling chamber 12, the discharge port 42 is opened in the rear portion of the processing chamber 14b,
In a thresher provided with a straw transfer device 53 in the upper rear part of the handling chamber 12, a fourth port 55 is provided side by side at the rear of the handling chamber 12 on the side of the processing chamber 14b, and the leakage is seen in the front-back direction. A portion that extends the inner side of the lower body 41 to an upper portion that faces the fourth mouth 55 and that separates the leaked substance falling passage L from the leak body 41 between the leak body 41 and the fourth mouth 55. A threshing machine for combine, wherein a plate-shaped partitioning body a is vertically installed.