JPH0541641Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a processing device for a thresher that threshes grain culms.

(b) Prior Art Conventionally, in a threshing machine having a processing barrel, the processing barrel was located on the side of a handling chamber, and the rear thereof was configured as a dust sorting chamber.

(c) Problems to be solved by the invention In the known threshing machine, the processing chamber could be maintained by opening and closing the side walls, but the processing cylinder had a processing shaft whose processing shaft was supported by the inlet and outlet plates of the processing chamber. Therefore, both bearings could not be removed without disassembling them, making maintenance extremely difficult.

(d) Means for solving the problem The present invention consists of mounting a handling cylinder on a shaft in a handling room so that the axis of the handling cylinder is in the front-rear direction, and installing a dust exhaust system from the lower part of the handling room to the rear thereof. A part extending to the sorting chamber is formed into a sorting air passage, and a swinging sorting body that swings back and forth is installed in the sorting air passage, and the part extends to the rear of the dust sorting room through one side upper side of the swinging sorting body. At the same time, the front part of the processing chamber having a processing cylinder receiving net is communicated with one rear side of the processing chamber, and the rear end of the processing cylinder shaft of the processing cylinder installed in the processing chamber is supported on the rear wall of the processing chamber, The rear wall is removably attached to the rear wall of the dust sorting chamber, and the processing cylinder shaft is extended forward and its front end is removably supported on the entrance plate of the processing chamber. The above problem is solved by configuring the processing cylinder shaft to be able to be inserted and removed from the rear together with the rear wall separately from the processing cylinder receiving net, and driving the front end of the processing cylinder shaft by the handling cylinder shaft. solved.

(E) Effect Among the threshed grains generated in the handling room, grains and small straw waste fall from the receiving net to the swinging sorter and are transferred and sorted, and long straw and ear fragments are sent to the processing room through the dust inlet. The processing cylinder transfers the material from one side of the rear of the handling chamber to the rear end of the dust sorting chamber, where it is thoroughly processed. After being screened, it is transported and sorted through a sieve.

When servicing the processing chamber or the processing cylinder, if you remove the rear wall of the processing chamber and pull it backward, the rear wall, the processing cylinder, and the processing shaft will come out backward as one, so this state Prepare the processing chamber or processing cylinder, etc.

(F) Example An example of the present invention will be explained with reference to the drawings.
Reference numeral 1 denotes a threshing device mounted on one side of a machine base 3 having a traveling device 2, and on the other side, in order from the front, there is an operation panel 4, an engine 5, a driver's seat 6, and a grain tank 7.
A pre-processing device consisting of a reaping device 8, a vertical feeding device 9, and a lifting device 9a is installed at the front, and a straw processing device such as a cutter 10 (or a binding device) is installed at the rear. be.

In addition, the threshing device 1 has a handling cylinder 11 mounted on a shaft in a handling chamber 12 with the front part lowered, and extends from the rear half of the handling chamber 12 on the right side in the direction of movement to the peripheral edge of the dust sorting chamber 13. At the same time, a processing section 14 is provided whose front part is lower than the rear and handling chamber 12, and the processing section 14 is composed of a transfer chamber 14a at the front and a processing chamber 14b at the rear,
The transfer spiral 15 and the processing cylinder 16 are integrated and housed in the processing chamber 14b, and the front end of the processing shaft 17 is supported on the inlet plate 18, and the rear end is supported on the rear wall 19a of the processing chamber 14b via bearings 17a. Now, the transfer chamber 14a and the handling chamber 12 are communicated through a dust inlet 20.

Furthermore, a feed chain 22 and a pinching rail 23 are installed along the handling opening 21 on the left side in the direction of movement, and the receiving net 2
4, the swinging sorting body 25 is constructed from below to the dust sorting chamber 13. The swinging sorting body 25 extends from the bottom of the screen to the dust sorting chamber 13.
, a downwardly inclined flow plate 27a facing the lower surface of the transfer chamber 14a, and a wave-shaped transfer plate 27 facing the top of the receiving gutter 28.
b, a sorting net 29, and a stroke rack 31 facing above the second gutter 30, and below the sorting net 29 and the stroke rack 31 are wind direction plates 3, respectively.
2 and 32 are provided, and a blower wind turbine 33 is provided at the lower part of the corrugated transfer plate 26, and an upper part of the rear side (grain tank 7 side) of the waste sorting chamber 13 and the processing chamber 14b is provided.
A suction windmill 34 attached to a part facing the rear end
constitutes a sorting air passage, and the sorting air from a cross-flow fan 35 provided at the front of the second receiving gutter 30 blows through the stroke rack 31 and is blown out to the dust exhaust port 36.

Furthermore, the desk-shaped cutter 10 is detachably attached to the machine wall of the ladder-type threshing device 1 so that the ivy rising from the back machine stand 3 is removably attached to the machine wall of the ladder-type threshing device 1. As shown in the figure, it is set in close contact with the rear surface of the dust sorting chamber 13, and when servicing the dust sorting chamber 13 or taking out the swinging sorting body 25, the locking tool is removed and the 90° The ladder-shaped frame 37 connects the rear part of the grain tank 7 with the connecting rod 3.
8 I support it.

Next, the configuration of each part will be explained.

[Threshing section] The conical part at the front of the handling barrel 11 has solid teeth 40 at the front end, and low linear teeth 40a at the rear.
Solid teeth 40b... are implanted near the front of the cylindrical part, normal linear handling teeth 40c... are implanted in the subsequent part, and linear teeth 40d are arranged in rows at narrow intervals at the terminal end. . . . and solid teeth 40e are alternately planted at intervals in the circumferential direction, and the receiving net 2
The plate 24a to which the front part of No. 4 is attached consists of a steeply sloped part at the front end and a gently sloped part 24b following it, and a large number of leakage holes 24c are bored in the gently sloped part 24b.

Further, 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 onto the oscillating sorter 25 as shown by the arrow in FIG.

[Processing section] The processing cylinder 16 has a large number of solid-type processing teeth 1 on the outer peripheral surface thereof having a lead angle that allows the processing material to move backward.
6a..., and a processing tooth 16b whose plate surface is orthogonal to the processing axis 17 is implanted in a portion corresponding to the discharge port 42, and the discharge port 42 is connected to the suction windmill 3.
The suction windmill 34 directly faces the suction port of No. 4.
is located above the oscillating sorting body 25 and sucks the dust sorting chamber 13 upward to improve the performance of sorting the first and second items, and is located at a lower level than the discharge port 42. Even if the straw waste is wet, it can be reliably sucked and discharged, and the processing body receiving net 41
is stretched from the outer middle part to the inner upper part as shown in FIG. 6 at a portion facing the processing cylinder 16.

Further, as shown in FIG. 4, a front guide plate 43 that is expanded toward the suction windmill 34 in plan view is connected to the front side of the discharge port 42 and the suction windmill 34. The waste thrown by the processing teeth 16a is suctioned and discharged by the suction windmill 34, during which time it is air-selected, and the remaining grains fall and are collected.

At that time, as shown in FIG. 7b, the discharge port 42
On a support shaft 49a supported by the rear wall 19 near the lower part of the front guide plate 43 and a bracket 43a hanging from the front guide plate 43,
A large number of parallel spokes 49 are arranged in a comb-teeth shape, and the support shaft 49a is connected to the crank arm 49.
When driven by the processing shaft 17 through the spokes 49b and 49b and the rod 43c, when wet grain culms are threshed, straw waste with a high specific gravity is sieved by the spokes 49 without falling. The straw waste is reliably discharged outside the machine by the suction windmill 34.

Further, the rear wall 19a of the processing chamber 14b can be attached and detached by bolts 45, 45, and the cutter 10 can be turned 90 degrees toward the grain tank 7 to open the dust removal chamber 1.
When the rear surface of 3 is opened, bolts 45, 45 are removed, and processing cylinder 18 is pulled out rearward, the front end of processing shaft 17 comes out of sprocket 17b, and processing cylinder 18, transfer spiral 15, and processing shaft 17 are integrally connected. It can be taken out.

Furthermore, the lower side of the transfer spiral 15 is covered with an iron plate 15b having a large number of leakage holes 15a, and the processing barrel receiving net 41 is divided into two at the inner lower part as shown in FIG. The divided portion is fixed to the through frame 44 to which the pipe is welded, and the through frame 44 is fixed to the through frame 44 to which the pipe is welded.
also supports the iron plate 15b as shown in FIG.
It is screwed onto a.

[Grain discharging device and second reducing device] A grain lifting cylinder 46 is installed upright at the transfer end of the first receiving gutter 28, and the discharge portion at the upper end of this grain lifting cylinder 46 is connected to the upper part of the grain tank 7. A second reducing tube 47 is provided at the transfer end of the second receiving gutter 30 and faces diagonally forward and upward, and a throwing casing 47a is attached to the upper end of the second reducing tube 47. The discharge port opens onto the flow plate 27a of the swing sorting body 25, and the second grains transferred to the grain tank 7 side by the second transfer spiral 30a are lifted up in the second reduction cylinder 47. It is lifted and fed by a feeding spiral, and is thrown toward the flow plate 27a by a blade 47c fixed to the spiral shaft at the upper end and rotating counterclockwise when viewed from above, and the second object thrown is thrown onto the wave-shaped transfer plate. While being oscillated and transferred by the 26, the grains are sorted by specific gravity so that they are in the lower layer, and light materials such as straw rise and flow down on the flat flow plate 27a. It collides and disperses over a wide area across the entire width.

In addition, the intersection of the grain lifting cylinder 46 and the second reducing cylinder 47 is removably connected by a connecting metal 48 and a screw, as shown in FIG. 18, so that the two form a framework through the machine wall. Grain raising cylinder 46 and second reduction cylinder 4
There are outlet ports 46a and 47 in the part facing the stem of 7.
d, and their outlet ports 46a, 47d
As shown in FIG. 15, the lids 50, 50 are removably screwed on, or as shown in FIG. Hinged lids 50, 50 are attached to enable cleaning, and at that time, one tray 51 can receive the grains scraped from both, and furthermore, Peripheral plate 4
7b is hinged at one end and screwed at the other end so that it can be opened and closed as shown in FIG.

[Processing chamber and fourth exit] The processing chamber 14b is the processing chamber 1 as shown in Figures 5 to 7.
2, and its front part is located near the bottom of the handling chamber 12, and behind the culm opening 52, its rear part is deviated toward the panicle side in plan view, and in side view. A straw removal conveyance device 53 consisting of a pair of horizontal and parallel conveyance chains is provided, and a fourth port 55 for collecting grains falling from grain culms conveyed by the straw removal conveyance device 53 is shown in FIGS. As shown in Fig. 13, the inner flow plate a hangs diagonally from the inside of the feed chain 22 toward the middle part of the width of the machine, the rear flow plate b hangs diagonally forward and downward from the rear, and the ear side of the straw conveying device 53. It is constructed by connecting an outer flow plate c that hangs down toward the inside of the machine wall from a part extending diagonally outward along the line into a funnel shape. The grains that are blocked by the flow plate a and fall into the feed chain 22 side of the oscillating sorting body 25 and fall into the fourth port 55 fall to the side opposite to the feed chain 22 and are sorted.

Also, 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 larger than the distance L ₂ between the other side plate, so that the sorting air from the blower windmill 33 is removed from the suction windmill 34 on the side away from the suction windmill 34 . It is designed to blow up a lot of air.

[Machine Frame] As shown in FIGS. 1 and 14, the machine frame of the thresher 1 has left and right side plates 56, 56, a front wall 18, and a rear wall 19 formed by an oblique dividing line 57 in which the rear part is higher than the front part.
The dividing line portion is removably fastened with a plurality of screws 58, so that the swing sorting body 2 is tilted so that the rear part is higher.
5 is supported on the lower machine frame, and the handling cylinder 11 and the processing cylinder 16
By pivotally supporting the upper machine frame so that the front part thereof is lower, the upper machine frame can be disassembled and the swing sorting section etc. can be easily maintained.

[Function] In the threshing device 1 in the combine harvester described above, the stock base of the supplied grain culm is connected to the feed chain 2.
2 and pinching rails 23, and the ears are inserted into the handling chamber 12 from the supply port and threshed by the handling cylinder 11.

At this time, the inserted grain culm is rapidly moved to the rear by the solid teeth 40 at the starting end of the handling barrel 11, and the linear teeth 40a at the base moat of the conical part and the solid teeth 40b following it move the grain culm into the early stage of threshing. Normal handling teeth 4 while suppressing a large amount of grain from being shed all at once.
0c..., and is subjected to a substantially average shedding process, and at the terminal end, the grain culm is combed by the linear teeth 40d... arranged in a row, and the grain culm whose movement is suppressed by the linear teeth 40d... is led. Solid tooth 40e with corners
The waste straw is discharged from the culm discharge port 52, and while it is conveyed diagonally backward by the waste straw conveying device 53, the remaining stick particles are removed as described above. It falls into the mouth 55.

On the other hand, the grains and small straw waste leaking from the receiving net 24 and the leakage hole 24c fall onto the corrugated transfer plate 26 and flow plate 27a of the oscillating sorter 25 and are transferred and sorted.
The second product from the second reduction cylinder 47 collides with the entire width of the flow plate 27a and is split and merged, and the grains are transferred to the blower 3.
The straw waste falls from the sorting net 29 into the first receiving gutter 28 while being screened by the sorting wind in step 3, and the straw waste including the second straw remaining on the sorting net 29 moves to the straw rack 31 and is sieved. At the same time, it is sorted by the sorting wind from the cross-flow fan 35 and falls into the second receiving gutter 30,
It is transferred to the second reduction cylinder 47.

On the other hand, among the grain threshing that occurred in the handling room 12,
Long straw, ear cuts, etc. enter the transfer chamber 14a of the processed material 14 from the dust inlet 20, are centrifugally separated by the transfer spiral 15, are processed to some extent while being transferred, and are sent to the processing chamber 14b, and at the same time are The grain is leakage hole 1
5a..., and the processing cylinder 16 moves the object to be processed backward by processing waves 16a... installed on its circumferential surface, while shedding the ears and cutting the long straw into single grains. The separated grains and finely divided straw waste leak from the processing body receiving net 41 and pass through the oscillating sorting body 2.
5 on the other side and are subjected to swing sorting.

During this time, the sorting air from the blower windmill 33 is blown through the sorting net 29 to sort out the most grains, and is collected by the inner flow plate a hanging diagonally toward the middle part of the width of the machine, as shown in FIG. , this passes through the processing chamber 14b from the processing cylinder receiving net 41, promotes the dispersion of the processed material, and then blows out from the discharge port 42 (a part of which is blown out from the processing cylinder receiving screen 41), and is simply discharged after the processing chamber 14b. The processed straw waste that has been moved is discharged to the discharge port 42 by the processing teeth 16b that do not have lead angles.
It is thrown towards the suction windmill 34 from the suction windmill 3
The grains are sorted by a cyclone sorting wind composed of a front guide plate 43 and a rear wall 19, and the grains fall onto the lower straw rack 31 and are collected, and the floating straw etc. are mainly collected by the suction windmill 34. The remaining waste straw and the like are selected by the sorting air from the cross-flow fan 35 and are discharged rearward from the dust exhaust port 36 by the stroke rack 31.

When servicing the processing chamber 14b or the processing cylinder 16, etc., the screws 45 fastened around the rear wall 19a of the processing chamber 14b are removed and the rear wall 19 is removed.
a and the processing shaft 17 to the rear, the rear wall 1
9a, the processing cylinder 16 and the processing shaft 17 are pulled out together as one body as shown in FIGS. can be maintained.

(g) Effects of the invention The present invention has a handling cylinder mounted on a shaft in a handling chamber 12 so that the axis of the handling cylinder is in the front-rear direction, and a dust sorting chamber 13 provided from the lower part of the handling chamber 12 to the rear thereof. A part extending over the area is formed into a sorting air passage, and a swinging sorting body 25 that swings back and forth is installed in the sorting air passage, and the swinging sorting body 25
The front part of the processing chamber 14b, which extends to the rear part of the dust sorting chamber 13 through the upper side of one side and has the processing trunk receiving net 41, is communicated with one rear side of the processing chamber 12, and the processing chamber 14b is equipped with a Processing cylinder shaft 17 of processing cylinder 16
The rear end portion is supported on the rear wall 19a of the processing chamber 14b,
The rear wall 19a is removably attached to the rear wall 19 of the dust sorting chamber 13, and the processing cylinder shaft 17 is extended forward and its front end is removably supported on the entrance plate 18 of the treatment chamber 12. Accordingly, the processing cylinder 16 and the processing cylinder shaft 17 are constructed so that they can be inserted and removed from the rear together with the rear wall 19a separately from the processing cylinder receiving net, and the front end of the processing cylinder shaft 17 is connected to the processing cylinder shaft. Since the straw waste, including cut ears, etc., generated in the handling chamber 12 and moved to the rear part of the handling chamber 12 is moved from one side of the rear part of the handling chamber 12 to the upper side of one side of the waste sorting chamber, The processing cylinder 16 can perform sufficient processing while moving backward in the processing chamber 14b extending over the wall 19a. The material to be treated leaking from the processing body receiving net 41 can be sorted by the sorting air in the sorting air passage and further transferred by the swinging sorter 25 for sieve sorting.

In addition, when maintaining the processing chamber 14b or the processing cylinder 16, it is not necessary to disassemble the side walls as in the past, install special guide rails, or lift the heavy processing cylinder together with the processing cylinder receiving net and the frame attached thereto. At least, the processing cylinder 16 and the processing cylinder shaft 17 can be easily pulled out and inserted rearward together with the rear wall 19a in the length direction of the processing cylinder 16 and the processing cylinder shaft 17 while using the processing cylinder receiving net 41 as a support guide member, and in the extracted state. , the processing cylinder 16 and the processing chamber 14b can be maintained efficiently and easily.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Figure 1 is a side view of the combine harvester, Figure 2 is a plan view of the same as above, Figure 3 is a longitudinal side view of the threshing device, Figure 4 is a longitudinal plane view of the same as above, and Figure 5 is a sectional view taken along line A-A in Figure 4. ,
Figure 6 is a sectional view taken along line B-B as above, and Figure 7a is a cross-sectional view taken along line C-
C sectional view, Fig. 7b is a sectional view of another example of the same as above, Fig. 8
The figure is a rear view, Figure 9 is a front view of the supply section of the treatment chamber, Figure 10 is a side view with the processing cylinder removed,
Figure 1 is a sectional view of the processing shaft attachment device, Figure 12 is a sectional view taken along line DD in Figure 6, Figure 13 is a plan view showing the straw removal device and the fourth port, etc., and Figure 14 is the fried grain. FIG. 15 is a side view of a part of the same as above; FIG. 16 is a plan view of the upper part of the grain lifting cylinder; FIG. 17 is an exploded perspective view of the lower part of the grain lifting cylinder; Figure 18 is the 15th
Figure 19 is a perspective view of the cutter when it has been rotated backwards, Figure 20 is a rear view, and Figure 20 is a rear view.
FIG. 1 is a plan view showing a state in which the second object is released. Reference numeral 11 denotes a handling cylinder, 13 a dust sorting chamber, 14 a processing section, 14a a transfer chamber, 14b a processing chamber, 16 a processing cylinder, 17 a processing shaft, 19 a rear wall, and 41 a processing cylinder receiving net.

Claims (1)

[Scope of utility model registration request] The handling cylinder is mounted on a shaft in the handling chamber 12 so that the axis of the handling cylinder is in the front-rear direction, and a part extending from the lower part of the handling chamber 12 to the dust sorting chamber 13 provided at the rear thereof is formed as a sorting air passage. , a process in which a swinging sorting body 25 that swings back and forth is installed in the sorting air passage, and extends from above one side of the swinging sorting body 25 to the rear part of the dust sorting chamber 13, and has a processing trunk receiving net 41. The front part of the chamber 14b is communicated with one rear side of the processing chamber 12, and the processing chamber 14b is connected to the processing chamber 14b.
The rear end portion of the processing cylinder shaft 17 of the processing cylinder 16 installed inside the processing chamber 14b is supported on the rear wall 19a of the processing chamber 14b.
a is removably attached to the rear wall 19 of the waste sorting chamber 13, the processing barrel shaft 17 is extended forward, and its front end is removably supported on the entrance plate 18 of the handling chamber 12. Processing cylinder 16 and processing cylinder shaft 17
is configured such that it can be inserted and removed from the rear together with the rear wall 19a separately from the processing barrel receiving net 41,
A processing device for a threshing machine, characterized in that the front end of the processing barrel shaft 17 is driven by a handling barrel shaft.