JPH0325Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a machine frame for a threshing machine that threshes and sorts grain culms harvested by a reaping device.

(B) Prior Art Conventionally, a threshing machine is already known in which a processing chamber is provided adjacent to the side of the processing chamber, the processing chamber is covered with a processing cylinder receiving net, and the processing cylinder is installed inside the processing chamber.

(c) Problems to be solved by the invention Since the processing chamber of the known threshing machine is provided between the side of the handling trunk receiving net and the side wall, it is possible to stretch the processing trunk receiving net. However, if the processing room is installed from the side of the handling room to the rear, there will be no appropriate means to support the center of the machine width of the processing trunk receiving net, and the width of the rear part of the handling room will be lower than the front part. Similarly, since it was extremely wide, there was a problem in terms of strength.

(d) Means for solving the problem The present invention communicates the dust inlet provided at the rear of the handling chamber with the processing section, and causes the processing chamber of the processing section to protrude into the dust sorting chamber at the rear. The front part of a long penetrating frame along the treatment section is supported as the treatment chamber entrance plate, the middle part is supported on the treatment chamber outlet plate, and the rear part is supported on the rear wall of the treatment chamber, and the treatment barrel receiving net of the treatment chamber is supported on the through frame. By installing it, the processing body receiving net can be strongly supported, and even if the machine is wide and the machine wall is made of thin iron plates, it can prevent distortion of the entire machine and increase its strength, thereby achieving the above-mentioned aspects. Problem solved.

(E) Function The handling cylinder rotates on one side of the machine, and the processing cylinder rotates on the other side at the rear. Not only that, but the intermediate part is supported by the exit plate of the handling room, and the whole body is connected in a series, so the fuselage is joined at the midway part in the width direction by the series of through frames, and it is difficult to handle. To firmly support the inner part of the processing barrel receiving net of the processing chamber that protrudes rearward from the processing chamber.

(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 pretreatment device consisting of a reaping device 8, a vertical feed device 9, and a lifting device 9a is installed at the front, and a dust treatment device such as a cutter 10 (or a binding device) is installed at the rear. .

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 in which the front section is lower than the rear section and the handling chamber 12, and the processing section 14 is composed of a transfer chamber 14a at the front section and a processing chamber 14b at the rear section,
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. 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 crossflow 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 rotatably supported by a ladder-shaped frame 37 with a stem rising from the back machine stand 3, and the front side is locked to the machine wall of the threshing device 1. It is removably locked with a tool, and during reaping work, it is set in close contact with the rear surface of the dust sorting chamber 13 as shown in FIG. When taking out the grains, the locking tool is removed, the grains are rotated 90 degrees around the shaft support, and the clamps 39 are used to lock the grains to the frame 37. consecutive link 3
9 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 portion, normal linear handling teeth 40c are implanted in the subsequent portion, and linear teeth 40d are implanted 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.

Furthermore, a front guide plate 43 is provided in series with the discharge port 42 and the front side of the suction windmill 34, as shown in FIG.
The waste thrown off by the processing teeth 16a from the discharge port 42 is suctioned and discharged by the suction windmill 34, during which time it is wind-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 49c, when wet grain culms are threshed, straw waste with a large 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 the processing cylinder 16 is opened, the bolts 45, 45 are removed, and the processing cylinder 16 is pulled out rearward, the front end of the processing shaft 17 comes out of the sprocket 17b, and the processing cylinder 16, transfer spiral 15, and processing shaft 17 are integrated. 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. At the transfer end of the second receiving gutter 30, there is a second reducing cylinder 4 that faces diagonally forward and upward, and this second reducing cylinder 4
The discharge port of the throwing casing 4a attached to the upper end of the grain tank 7 is opened toward the flow plate 27a of the swing sorting body 27, and the second transfer spiral 30a is connected to the grain tank 7.
The second material transferred to the side is lifted by a lifting spiral in the second reducing cylinder 47, and at the upper end is moved to the flow plate 27a by a blade 47c fixed to the spiral shaft and rotating counterclockwise when viewed from above. The second thrown object is oscillated and transferred by the corrugated transfer plate 26, and is sorted by specific gravity, with grains being in the lower layer and lighter items such as straw becoming the upper layer and flowing down. It collides with the objects to be sorted that are flowing down on the flat flow plate 27a and is dispersed over a wide range over the entire width.

In addition, the intersection of the grain lifting cylinder 46 and the second reducing cylinder 47 is removably connected with a connecting metal 48 and screws, 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 portion facing the base 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. Screwed lids 50, 50 are attached to enable cleaning, and at that time, grain scraped from both can be received in one dish 51, and furthermore, the outer periphery of the throwing casing 47a Board 4
7b is screwed 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 is horizontal in side view. in,
A straw removal conveyance device 53 consisting of a pair of parallel conveyance chains is provided, and a fourth port 55 for collecting grains falling from the grain culms conveyed by the straw removal conveyance device 53 is as shown in FIGS. 6 and 13. feed chain 22
An inner flow plate a hanging diagonally from the inside toward the middle part of the width of the machine, a rear flow plate b hanging diagonally forward and downward from the rear, and a rear flow plate b hanging diagonally outward along the ear side of the straw removal conveying device 53. It is constructed by combining an outer flow plate c hanging down from an overhanging part toward the inside of the machine wall in a funnel shape, and the material to be sorted leaking from the handling trunk receiving net 41 is blocked by the inner flow plate a. The grains that 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.
It is divided into upper and lower parts, and the parting line is connected with multiple screws 5.
8..., so that the swing sorting body 25, which is tilted so that the rear part is higher, is supported on the lower machine frame, and the handling cylinder 11 and the processing cylinder 16 are respectively attached to the upper machine frame in the front. By pivoting so that the upper part is lower, the upper machine frame can be disassembled and the swing sorting part etc. can be easily maintained.

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

At that 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 near the base of the conical part and the solid teeth 40b following it move the grain culm to the rear during the threshing stage. While suppressing a large amount of grain from being shucked all at once, the grain is shifted to the normal handling tooth 40c... and the grain is threshed almost evenly.
A solid tooth 40e having a lead angle leads the grain culm whose movement is suppressed by the linear teeth 40d while being combed by the linear teeth 40d arranged in a row at the terminal end.
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, disperses and merges, 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 processing section 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 material to be processed backward by processing teeth 16a... installed on its circumferential surface, while shedding the ears of grain and cutting the long straw, and converting it 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 passes 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 of the width of the machine, as shown in FIG. This or the processing body receiving net 41 passes through the processing chamber 14b to promote the dispersion of the material to be processed, and then blows out from the discharge port 42 (part of the material is blown out from the processing barrel receiving screen 41), and blows out from the rear end of the processing chamber 14b. The treated straw waste that has been moved to is thrown from the discharge port 42 toward the suction windmill 34 by the treatment teeth 16b, which do not have a lead angle, and
The grains are sorted by a cyclone sorting wind composed of the front guide plate 43 and the rear wall 19, and the grains fall onto the straw rack 31 below and are collected, and the floating straw waste etc. are mainly collected by the suction windmill 34. The straw waste that remains after being sucked out of the machine is transferred to the cross-flow fan 3.
The dust is sorted by the sorting air from 5 and discharged rearward from the dust exhaust port 36 in the straw rack 31.

The handling cylinder 11 and the processing cylinder 16 are rotatably supported on the left and right sides in a plan view, and the processing cylinder 16 rotates while protruding significantly rearward from the handling chamber 12, but the through frame 44 is located at the entrance. plate 18 and exit plate 18a
Since the rear wall 19a of the processing chamber is integrally connected to the rear wall 19a of the processing chamber, the machine body will not be distorted due to uneven loads on the left and right sides, and processing such as threshing, long straw, and ear cutting can be performed stably. be able to.

Furthermore, the penetrating frame 44 can firmly support the center side of the machine width of the processing body receiving net 41, which does not have any other suitable support means, and can perform accurate processing.

(g) Effects of the invention As described above, the present invention is such that the dust inlet 20 provided at the rear of the handling chamber 12 is communicated with the processing section 14, and the processing chamber 14b of the processing section 14 is connected to the dust sorting chamber 13 at the rear. The long through frame 44 along the processing section 14 is supported at its front and rear ends on the entrance plate 18 of the processing chamber 12, at its middle section at the exit plate 18a, and at its rear end at the rear wall 19a of the processing chamber 14b. Since the processing cylinder receiving net 41 of the processing chamber 14b is attached to the frame 44, the processing cylinder 11 and the processing chamber 14b are
Although the width of the rear part of the processing chamber 12 is larger than that of the part where the two are parallel to each other, the front and rear parts of the through frame 44 are integral with the entrance plate 18 and the rear wall 19a of the processing chamber. The intermediate portion penetrates and supports the exit plate 18a of the handling chamber 12, increasing the strength of the entire body and preventing distortion thereof.

Conventionally, there was no appropriate support means for the center side of the machine width of the processing trunk receiving net 41 of the processing chamber 14b that protruded rearward from the processing chamber 12; It is possible to carry out stable and accurate processing in a state where the processing body receiving net 41 is firmly supported.

[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
Figure 9 is a rear view, Figure 9 is a front view of the supply section of the handling 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 conveying device and the fourth port, etc., and Figure 14 is a grain lifting tube. and a side view of the second reducing cylinder side, 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, and Fig. 18 is a side view of the second reducing cylinder side. The figure is number 15
Figure 19 is a perspective view of the cutter when it is rotated backward, Figure 20 is a rear view, and Figure 20 is a rear view.
FIG. 1 is a plan view showing the state in which the second object is released. 11 is a handling cylinder, 13 is an exhaust dust sorting chamber, 14 is a processing section, 14a is a transfer section, 14b is a processing chamber, 16 is a processing cylinder, 18 is an inlet plate, 18a is an outlet plate, 19a is a rear wall, and 25 is a rocker. Dynamic sorting body, 41 is a processing body receiving net, 4
4 is a penetrating frame.

Claims (1)

[Scope of utility model registration request] A dust inlet 20 provided at the rear of the treatment chamber 12 is communicated with the treatment section 14, and the treatment chamber 14b of the treatment section 14 is made to protrude into the dust sorting chamber 13 at the rear.
4, the front part of the long through frame 44 is supported on the entrance plate 18 of the processing chamber 12, the middle part on the exit plate 18a of the processing chamber 12, and the rear part on the rear wall 19a of the processing chamber 14b.
A machine frame of a threshing machine characterized in that a processing body receiving net 41 of a processing chamber 14b is attached to the processing chamber 14b.