JP2002209426A - Shaking separation structure for thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shaking separation structure for a thresher, with which a chaff sieve 22 composed of a great number of movable guide fins 25 can be simply and rapidly assembled in a main body 15a of a shaking separation board and a separation treatment face of the chaff sieve 22 can be reasonably formed. SOLUTION: In a thresher having a shaking separation board 15 provided with the chaff sieve 22 having a great number of the movable guide fins 25 in the main body 15a of the shaking separation board having a pair of right and left side walls 151 and 152, a through hole tk1 long in the longitudinal direction of the wall is formed on either right or left side wall of the shaking separation board 15 and the chaff sieve 22 assembled in an independent structure through an addition member 29b for connecting right and left side parts of the movable guide fins 25 is assembled through the through hole tk1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rocking sorter of a threshing machine, and a chaff sheave, a vertical support plate and a movable guide fin used in the rocking sorter.

[0002]

2. Description of the Related Art A threshing machine as a part of a combine and a threshing machine having a single structure are well known. In these threshing machines, an oscillating sorter is generally arranged below a handling cylinder. There is a swing sorter in which a chaff sheave composed of a large number of movable guide fins is located in a tray-like swing sorter body.

[0003] When assembling the swing sorting machine, the process of assembling each movable guide fin and its related members directly on the swing sorting machine body often requires raising and lowering the relatively large and heavy swing sorting machine body. Since a large amount of labor is required, almost all of the chaff sheaves are pre-assembled, and there is a swing sorter that allows this to be inserted into the swing sorter body from above and assembled. I have. (Japanese Patent Publication No. 8-17631 does not directly describe such a purpose, but discloses a technique that enables such processing.)

In such a swinging sorter, additional members for connecting and supporting the left and right ends of a large number of movable guide fins of the chaff sheave must be provided on each of the left and right sides of the movable guide fin. The range which can be used as a sorting operation surface of the chaff sheave in the left and right widths of the swinging sorter body is reduced accordingly.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to cope with the above situation, that is, it is possible to easily and quickly assemble a chaff sheave composed of a large number of movable guide fins in a swinging sorter body. In addition to providing a rocking sorter of a threshing machine that can form a sorting processing surface of a chaff sheave rationally, and providing a chaff sheave, a vertical support plate, and a movable guide fin used in the rocking sorter. Aim.

[0006]

In order to achieve the above object, the present invention is as follows. That is, in the swing sorter of the threshing machine according to the present invention described in claim 1, a swing sorter having a plurality of movable guide fins is provided inside a swing sorter body having a pair of left and right side walls. In a threshing machine having a moving sorter, a long through hole is formed in one of the left and right side walls of the swinging sorter in the front-rear direction, and the left and right side portions of each movable guide fin are joined together. The chaff sheave assembled in an independent structure via the additional member is assembled through the through hole.

According to the present invention, since the chaff sheave is assembled at a place separated from the swinging sorter body, it can be assembled independently of the relatively large and heavy swinging sorter body having a pair of left and right side walls. In addition, the chaff sheave, which is assembled into an independent structure via additional members for connecting the left and right side portions of each movable guide fin, makes it easy to assemble it into the swing sorter body, and The formation of through-holes in the side wall of the swing sorter body avoids undesired interference between the side wall of the swing sorter body and the chaff sheave. Assembling is made easier and quicker.

Further, assembling the chaff sheave to the swinging sorter main body through the through hole allows one of the left and right additional members to be fixed to the outer surface of the side wall of the swinging sorter main body. Avoids the situation of reducing the left and right width of the swing sorter body and contributes to securing a wider left and right width of the sorting processing surface of the chaff sheave, and assembling the chaff sheave in advance and attaching the side wall to the swing sorter body. A structure that contributes to making it relatively easy to assemble through the through hole, and a structure that facilitates maintenance management by positioning the interlocking mechanism of a large number of movable guide fins outside the side wall of the swing sorter body It contributes to making.

In the swing sorter of the threshing machine according to the present invention, a chaff sheave having a large number of movable guide fins is provided inside a swing sorter body having a pair of left and right side walls. In a threshing machine having an oscillating screen, a long through hole is formed in one of the left and right side walls of the oscillating screen in the front-rear direction, and is located on each of the left and right sides of the oscillating screen. It is assembled into an independent structure via a vertical support plate that connects and pivots each side of each of a number of movable guide fins, and a vertical connection plate that interlocks and connects each movable guide fin. The chaff sheave is assembled so that it is inserted from the outside of the through hole to the inside thereof.

According to the present invention, since the chaff sheave is assembled at a place separated from the swinging sorter main body, it can be assembled independently of the relatively large and heavy swinging sorter main body having a pair of left and right side walls. In addition, a vertical support plate which is located on each of the left and right sides of the swinging sorter main body and which is connected and pivotally connected to each of the left and right sides of a number of movable guide fins, and a vertical support plate for interlocking connection of each movable guide fin. The fact that the chaff sheave is assembled into an independent structure via the orientation connecting plate facilitates the standardization of the entire chaff sheave, making it easy to assemble it into the swing sorter body, and the swing sorter body of the swing sorter body. The formation of the through hole in the side wall avoids undesired interference between the side wall of the swing sorter main body and the chaff sheave, and also allows the chaff sheave to be inserted from the outside of the through hole into the inside thereof. Assembled it is than forms facilitate assembling process, these things further the assembly of chaff sieve to swing sorting machine body, it forms a simple and rapid.

[0011] Further, the assembling of the chaff sheave into the swinging sorter main body in a state of being inserted from the outside of the through hole to the inside of the swinging sorter main body may include attaching one of the left and right additional members to the outer surface of the side wall of the swinging sorter main body. In the same manner as in the first aspect of the present invention. As well as making it possible to assemble the chaff sheave in advance and make it relatively easy to assemble it into the swinging sorter body through through holes in its side wall, The interlocking mechanism is located outside the side wall of the swinging sorter body, which contributes to the structure that facilitates maintenance and management.

According to a third aspect of the present invention, in the swing sorter for a threshing machine according to the present invention, a chaff sheave having a large number of movable guide fins is provided inside a swing sorter body having a pair of left and right side walls. In a threshing machine having an oscillating sorter, a long through hole is formed in one of the left and right side walls of the oscillating sorter in the front-rear direction, and the left and right sides of each movable guide fin are joined. The assembling of the chaff sheave assembled in an independent structure via the additional member is performed through the through hole, and at this time, the left and right additional members are supported on the corresponding side wall on the corresponding side.

According to the present invention, since the chaff sheave is assembled at a place separated from the swinging sorter main body, it can be assembled independently of the relatively large and heavy swinging sorter main body having a pair of left and right side walls. In addition, since the chaff sheave is assembled into an independent structure via an additional member for connecting the left and right sides of each movable guide fin, it is easy to assemble the swing fin into the swing sorter main body. The formation of through-holes in the side wall of the moving sorter body avoids undesired interference between the side wall of the swinging sorter body and the chaff sheave. Assembly is quick and easy.

[0014] Further, the fact that the chaff sheave is assembled through the through hole makes it possible to fix one of the left and right additional members to the outer surface of the side wall of the swinging sorter main body. As in the case of the invention, the additional member avoids a situation where the left and right widths of the swinging and sorting board body are reduced and contributes to securing a wide left and right width of the sorting processing surface of the chaff sheave. It contributes to making it relatively easy to assemble to the moving sorter main body, and furthermore, the interlocking mechanism of a large number of movable guide fins is located outside the side wall of the swinging sorter main body to facilitate maintenance management This contributes to the structure.

The fact that the left and right side portions of the chaff sheave are supported by the corresponding side walls of the chaff sheave contributes to increasing the rigidity of assembling the chaff sheave to the swing sorter body.

According to a fourth aspect of the present invention, in the rocking sorter of the threshing machine according to the present invention, a large number of movable guide fins are located inside a rocking sorter body having an independent structure having a substantially rectangular shape in plan view. In a threshing machine having an oscillating sorter provided with a chaff sheave, a chaff sheave assembled into an independent structure via a front-rear addition member connecting left and right sides of each of a large number of movable guide fins. The additional member on one of the right and left sides is fixed to the outer surface of the corresponding side wall of the left and right side walls of the swing selection panel main body, while being assembled to the swing selection panel main body.

According to the present invention, since the chaff sheave is assembled at a place remote from the swinging sorter main body, it can be easily assembled independently of the relatively large and heavy swinging sorter main body. The chaff sheave assembled in the structure is quickly fixed to the swinging sorter body by a simple screwing member or the like. Then, one of the left and right additional members, which are the front and rear facing additional members connecting the left and right sides of each of the plurality of movable guide fins, is connected to the corresponding one of the left and right side walls of the swinging sorter main body. The fact that the additional member is fixed to the outer surface of the side wall avoids a situation in which the additional member reduces the left and right width of the swinging sorter body, as in the case of the invention according to claim 1, so that the left and right widths of the sorting processing surface of the chaff sheave are reduced. As well as making it possible to assemble the chaff sheave in advance and make it relatively easy to assemble it into the swinging sorter body through through holes in its side wall, The interlocking mechanism is located outside the side wall of the swinging sorter body, which contributes to the structure that facilitates maintenance and management.

In the chaff sheave of the threshing machine swing sorter according to the fifth aspect of the present invention, a large number of left and right movable guide fins are arranged in parallel in the front and rear direction, and one end of each of the movable guide fins in the left and right direction. Is pivoted to the corresponding fulcrum member (fulcrum pin 27) of the longitudinal support plate which is long in the front-rear direction on the corresponding side, and the other specific part (input hole na) of this end portion is pivoted. ), The input members (the connecting pins 28a and the input shafts 28b) displaced in the same manner as above are inserted into the arc-shaped holes of the vertically supporting plate, and are linked and connected by the vertically connecting plate means long in the front-rear direction. A specific portion at the other end in the left-right direction of the fin is pivotally supported on a fulcrum member of a vertically long support plate extending in the front-rear direction on the corresponding side, and is displaced in the same manner as another specific portion at this end. Long vertical member in the front-back direction In this case, the left and right vertical connecting plate means on the left and right sides of the movable guide fins have a symmetrical structure, and the vertical connecting plate means on each side are connected in series and bendably. It is composed of one or more vertical connecting plates, and a group of the front side and a group of the rear side of the plurality of movable guide fins are interlocked in different inclined states.

According to the present invention, a large number of movable guide fins are assembled into an independent structure via the vertical support plate and the vertical connecting plate means, and the chaff sheave thus assembled maintains shape stability. It will be in the state that was done. Also one
By moving two vertical connecting plate means back and forth,
A specific portion at each end in the left-right direction of each movable guide fin is guided around the fulcrum member and swings.Therefore, a group of front and rear groups of a large number of movable guide fins are displaced in conjunction with each other, Each of the groups is maintained in a different inclined state.

The present invention can be embodied as follows. As described in claim 6, the fulcrum member is a fulcrum pin protruding from each vertical support plate, and the input member is a connection pin protruding from each of the left and right vertical connection plates, and the left and right vertical connection plates. And an input shaft that is inserted through the movable guide fin in the left-right direction to hold the left and right vertical connecting plates and the movable guide fin in a connected state. In this way, by inserting the fulcrum pin and the connecting pin into required portions of each movable guide fin, the stability of the whole movable guide fins is maintained and the movable guide fins have an independent integrated structure. At this time, the input shaft restricts the fulcrum pin and the connecting pin from coming out of required portions of each movable guide fin.

According to a seventh aspect of the present invention, one of the vertical support plates is fixed to an outer surface of one of side walls of the swing sorter main body, and the other vertical support plate is fixed to the swing sorter main body. Is fixed to the other side wall. According to this, the chaff sheave can be easily mounted on the swing sorting board main body, and each movable guide fin can be firmly mounted on the left and right side walls of the swing sorting board main body.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a side view showing a combine provided with a swing sorting machine according to the present invention, FIG. 2 is a side view showing the periphery of the swing sorting machine, and FIG. FIG. 4 is a cross-sectional view showing the x2-x2 part of FIG. 2, FIG. 5 is a perspective view of the main body of the swing sorter viewed from one side, and FIG. 6 is the swing sorter. FIG. 7 is a perspective view of the main body and the like seen from the other side, FIG. 7 is a plan view showing a chaff sheave of the swing sorter,
Shows the chaff sheave, A is a perspective view seen from one side, B is a perspective view seen from the other side, FIG. 9 shows a vertical support plate on one side used for the chaff sheave, A is a side view, B is a cross-sectional view showing an x3-x3 part, C is a cross-sectional view showing an x4-x4 part, FIG. 10 shows a vertical support plate on the other side used for the chaff sheave, A is a side view, and B is x5-. FIG. 11 shows a front vertical connecting plate used for the chaff sheave, wherein A is a side view, B is a front view, and FIG.
2 shows a rear vertical connecting plate used for the chaff sheave, A is a side view, B is a front view, FIG. 13 is a side view showing an intermediate vertical connecting plate used for the chaff sheave,
14 shows a movable guide fin used for the chaff sheave, A is a front view, B is a side view, FIG. 15 is a perspective view of the swing sorter seen from one side, and FIG. 16 is the swing sorter. FIG. 3 is a perspective view of the device viewed from the other side.

The outline of the combine of this embodiment shown in FIG. 1 will be described.
A machine 2 is supported by these traveling crawlers 1, and a mowing unit 3 is provided at the front of the machine 2 so as to be vertically displaceable so as to protrude forward. A control unit 7 including an operation lever 5 and a driver's seat 6 is provided, and a grain culm vertical transfer unit 8 is provided on the front left side. In addition, a threshing machine 9 and a straw processing unit 10
And a paddy tank 11 is provided behind the control unit 7.

At the time of rice harvesting, the traveling crawler 1 travels through the field while cutting the rice vegetated in the field by the cutting unit 3, and the cut rice is transported to the threshing unit 9 by the grain culm vertical transport unit 8. Then, the rice is threshed, and the rice thus threshed is accumulated in the grain tank 11, while
The operation is performed such that the straw discharged from the threshing unit 9 is cut into the straw processing unit 10 and discharged to the field.

The threshing machine 9 will be described in more detail as follows. That is, as shown in FIG. 1 and FIG. 2, a handling drum 12 is suspended in the handling room, a processing drum chamber is formed at the rear right side of the handling room, and a processing drum 13 is suspended in the processing drum chamber. I have. A receiving net 14 is stretched below the handling cylinder 12. A swing sorting board 15 is provided below the receiving net 14 so as to be able to swing back and forth, and a swing sorting board 15 is provided below the swing sorting board 15. Karino fan 16 which sends the wind diagonally backward and upwards in order, the first conveyor 18 for feeding the grains dropped into the first gutter 17 into the grain tank 11, and the second gutter 1
A second conveyor 20 is provided for returning the grains falling into the processing chamber 9 to the processing drum chamber. A suction / discharge dust fan 21 for sucking and discharging dust in the separation space is provided in the separation space at the rear of the handling room.

The swing sorter 15 is configured such that a chaff sheave 22, a grain sheave 23, and a straw rack 24 are mounted on an swing sorter body 15a having a substantially rectangular shape in plan view and having an independent structure. The swing sorter main body 15a is entirely made of metal or resin as shown in FIGS. 2 to 6, has a pair of left and right side walls 151 and 152, and has a front bottom surface serving as a feed portion 153. The rear bottom surface is formed as a grain pan portion 154, and the rising plate portion 15 is formed so as to form a front passage opening ft behind the grain pan portion 154.
5 is formed, and a return pan portion 156 having a rearward rising shape is formed so as to form a rear passage opening at at the rear of the flowing plate portion 155. A relatively wide through hole tk1 which is long in the front-rear direction is formed on one side wall 151, and a screw hole ne associated with the through hole tk1 is provided. A relatively narrow through-hole tk2 long in the front-rear direction of the side wall 152 is formed in the range of the swelled portion bs in the range of the swelled portion bs, and a bolt associated with the through-hole tk2 is formed. A hole bn is formed.

The chaff sheave 22 is a swinging sorter body 15a.
Is mounted on the upper part of the Glen Sheave 23 in the following manner. That is, as shown in FIGS. 2, 3, 4, 7, 8, 15, and 16, a large number of left and right movable guide fins 25 are arranged side by side in the front-rear direction. Each end 25a, 25b of the direction is pivotally supported by a longitudinally extending support plate 26a, 26b, which is an additional member on the corresponding side, which is long in the front-rear direction. The vertical support plate 26a on one side is relatively wide and has a hollow shape as shown in FIGS. 3 and 4, and the through hole tk1 of one side wall 151 of the swinging sorter main body 15a is formed from the outside. It is positioned so as to cover and is fixed by inserting a bolt b into the bolt hole bn and screwing it into the screw hole ne. The other vertical support plate 26b on the other side is shown in FIGS.
As shown in the figure, the other side wall 15 of the swing sorter main body 15a
2 at the vicinity thereof along the through hole tk2.
2 and is fixed by inserting a bolt into the bolt hole bn (see FIG. 6) from outside the side wall 152 and screwing it into the screw hole ne1 of the vertical support plate 26b.

As shown in FIGS. 3 and 4, the upper part of one end 25a of the movable guide fin 25 in the left-right direction is pivoted to a fulcrum pin 27 fixed to a corresponding vertical support plate 26a. The input member (the connecting pin 2) which is supported and is displaced in the same manner as the lower portion of the end portion 26a.
8a, the input shaft 28b) is inserted through the arc-shaped hole en (see FIG. 9) of the vertical support plate 26a and is interlocked and connected by the vertical connection plate means 29a which is long in the front-rear direction. The upper part of the other end 25b is pivotally supported on the fulcrum pin 27 of the longitudinal support plate 26b which is long in the front-rear direction on the corresponding side, and is displaced in the same manner as the lower part of the end 25b. Input member (connection pin 28
a, the input shaft 28b) is interlockingly connected by a vertical connecting plate means 29b which is an additional member and is long in the front-rear direction.

The left and right vertical connecting plate means 29a, 29
b has a left-right symmetrical structure, each of which has three or more longitudinal connecting plates 30 to which connecting pins 28a are fixed and which are connected in series and bendably via an input shaft 28b as shown in FIG. 31 and 32, and the front group fg and the rear group ag of the plurality of movable guide fins 25 are interlocked in different inclined states by the forward and backward movement of the vertical connection plates 30, 31, 32. . On this occasion,
Each of the movable guide fins 25 is inclined so as to have a front-to-back and rear-to-back elevation, and the movable guide fins 25 of the front group fg are interlocked with each other so as to have a gentler inclination than that of the rear group ag.

Here, the vertical support plates 26a and 26b will be described in detail.
As shown in FIG. 7, fulcrum pins 27 for pivotally supporting the left and right ends 25a of the plurality of movable guide fins 25 are arranged in the longitudinal direction of the longitudinal plate member 261 long in the longitudinal direction. An arc-shaped hole en having the fulcrum pin 27 as the center of curvature is provided, and a bolt hole bn for fixing to the side wall 151 is formed. The vertical support plate 26b on the other side is shown in FIG. As described above, the fulcrum pins 27 for pivotally supporting the other end 25b in the left-right direction of the plurality of movable guide fins 25 are arranged in the front-rear direction portion of the longitudinal plate member 262 which is long in the front-rear direction. Fifteen
2 is formed with a screw hole portion ne1 for fixing the same.

The vertical connecting plate means 29a and 29b will be described in detail.
As shown in FIG. 1, connecting pins 28a for connecting the left and right end portions 25a, 25b of the plurality of movable guide fins 25 in a row in the front-rear direction of a vertically oriented plate member 301 long in the front-rear direction. The connecting pins 28a
A shaft hole ja through which the input shaft 28b is displaced in the same manner as the input portion of the movable guide fin 25 is provided at a specific portion related to the arrangement of the movable guide fins 25, and a vertical connection plate on the rear side is provided. 32, the connecting pins 28a are fixed in a row in accordance with the front side as shown in FIG. 12, and a shaft hole ja through which the input shaft 28b is inserted is provided at a specific position related to the arrangement of the connecting pins 28a. As shown in FIG. 13, the input shaft 28b is provided at both ends of a vertical plate member 311 which is long in the front-rear direction.
Is provided.

Each movable guide fin 25 is configured as follows, that is, as shown in FIG.
It is made of a strip-shaped synthetic resin plate that is long in the left-right direction, and a pivot hole sa into which a fulcrum pin 27 for pivotally supporting the plate is inserted in each end surface in the left-right direction, and the end surface is swung around the pivot hole sa. The connection pin 28a or the input shaft 2 for dynamic displacement
An input hole na into which the hole 8b is inserted is formed. At this time, the left and right input holes na, na are both formed as transparent holes and are linearly arranged.
When b is inserted into these input holes na, the left and right ends of the input shaft 28b project from the left and right end surfaces of the movable guide fin 25.

The grain sheave 23 is formed of a net having a rectangular shape in a plan view, and as shown in FIG.
A suitable gap is formed between the front edge of the rear portion and the rear edge of the grain pan 154, and the gap between the rear edge of the grain sheave 23 and the flowing plate portion 155 is provided. Also, an appropriate gap is formed.

As shown in FIG. 2, at the trailing edge of the flowing plate portion 155, a movable flowing plate member 33 is connected via a hinge 34 and a coil spring (not shown) so as to be capable of swinging about a left-right axis. In one of the use states, the movable flour plate body plate 33 is held in the same inclined state s1 as the slug plate part 155, and in the other one use state, the movable flour plate part 155 is 90 ° apart.
It is held in a state s2 bent downward by a degree, and in any use state, the position of the movable plate 33 is stably held by the elastic force of the coil spring.

In FIGS. 2, 3 and 4, reference numeral 35 denotes a front-rearward rubber seal fixed to each of the left and right side walls 151 and 152, and the left and right vertical partition walls 9 in the sorting space of the threshing machine 9.
a, 9b and the side walls 151, 152 are closed. Reference numerals 36a and 36b denote rubber seal plates fixed to the lower surface of the falling grain plate portion 155, and the front seal plate 36a guides the grains that have fallen on the upper surface thereof to the first gutter 17. The seal plate 36b on the rear side is for preventing the material to be the second product from entering the gutter 17 most.

The supporting structure of the front part of the swinging sorter 15 will be described. As shown in FIGS. 2 and 5, the support arm portions 3 are provided at the left and right portions of the lower front part of the swing sorter body 15a.
7 and 37 are formed to project downward, and these arm portions 37 are formed.
A right-and-left shaft member 38 is mounted on the vehicle, and rollers 39, 39 are mounted on left and right ends of the shaft member 38. These rollers 39, 39 are fixed to the left and right vertical partition walls 9a, 9b of the threshing machine 9, and have a U-shaped cross section. It is supported by the track member 40 so as to be repeatedly displaced in the rear ascending direction.

The support structure of the rear part of the swinging sorter 15 will be described. As shown in FIGS. 1 and 2, a pair of left and right link members is attached to a left-right support shaft member 41 fixed to the body frame of the threshing machine 9. On the other hand, a left-right facing shaft member 44 is mounted on a support member 43 protruding from left and right portions of the lower surface of the return pan portion 156 of the swinging sorter main body 15a. The upper end of the link member 42 is pivotally connected, and the connecting rod 46 is connected to the left-rightward shaft member 44 and the cam crank 45 mounted opposite thereto.
, And the rear portion of the swing selection plate 15 is repeatedly swung substantially in the front-rear direction by the rotation of the cam crank 45.

Next, an example of an assembling procedure of the above-described swinging sorter 15 will be described. Glen sheave 23, left and right shaft members 38 and 44, roller 3 are provided on swing sorter body 15a.
9. Attach the rubber seal 35, the seal plates 36a, 36b, etc., while assembling the chaff sheave 22.

In assembling the chaff sheave 22, a pivotal support hole sa at one end face of each movable guide fin 25 is fitted to each fulcrum pin 27 of one vertical support plate 26a. Each of the fulcrum pins 27 of the other vertical support plate 26b is fitted in the pivot hole sa of the end face.
As a result, the left and right vertical support plates 26a and 26b and the large number of movable guide fins 25 are mutually coupled in a relatively stable state.

Next, a vertically connecting plate means 2 on one side in the left-right direction.
9a, the connection pins 28a of the two front and rear vertical connection plates 30 and 32 are fitted in the input holes na of one end face of the corresponding movable guide fin 25 through the arc-shaped holes en of the one vertical support plate 26a. At the same time, the connection pins 28a of the two front and rear vertical connection plates 30 and 32 in the vertical connection plate means 29b on the other side in the left and right direction are inserted into the input holes na on the other end surface of the corresponding movable guide fin 25. Fit. Next, an intermediate vertical connecting plate 31 is positioned between the two front and rear vertical connecting plates 30 and 32 on the vertical supporting plate 26a side, and the corresponding shaft holes of the vertical connecting plates 30, 31, and 32 are arranged. ja and the input shaft na of the movable guide fin 25 corresponding to these shaft holes ja, the input shaft 28b is inserted. Also, the arc-shaped holes en at the front and rear ends of the vertical support plate 26a, and a large number of movable guide fins 25 are formed. The input shafts 28b and 28b are inserted in correspondence with the input holes na of the front and rear ends, and the end of the input shaft 28b on the side of the vertical support plate 26b is connected to the two front and rear vertical connection plates 30 on the same side. , 32 are inserted through the shaft holes ja, and the escape restricting pins 47 (see FIG. 8) are fitted to the ends of the four input shafts 28b thus mounted on the vertical support plate 26a side. Let it.

Next, the two front and rear vertical connection plates 30 and 32 on the side of the vertical support plate 26b are connected to the shaft holes j on the opposite sides of these connection plates.
a of the two input shafts 28b inserted into
These input shafts 28b, 28
b is inserted through the shaft hole ja of the intermediate longitudinal connection plate 31. Then, the input shafts 28b, 28b are inserted into the ends on the vertical support plate 26b side and the shaft holes ja on the non-opposite ends of the two front and rear vertical connection plates 30, 32 on the same side. The escape restricting pin 47 is fitted to the ends of the two input shafts 28b, 28b.

The vertically supporting plate 26b of the chaff sheave 22 assembled in this manner is swung from the outside into a relatively wide through-hole tk1 formed in one side wall 151 of the swinging and sorting board main body 15a. It is inserted toward the inside of the sorting board body 15a. Thereby, one side of the vertically supporting plate 26a
Is in contact with the outer surface of one of the side walls 151 of the swing sorter body 15a to cover the through hole tk1, and the other vertically supporting plate 26b is on the other side wall 152 of the swing sorter body 15a. Is brought into contact with the inner surface.

After that, the bolt b is screwed into the screw hole ne of the side wall 151 by passing the one vertical support plate 26a through the bolt hole bn from the outside thereof, and is fixed to the side wall 151. Then, the bolt b is screwed into the screw hole ne1 of the vertical support plate by passing the bolt hole bn from the outside of the other side wall 152, and the other vertical support plate 26b is fixed to the side wall 152. At this time, the through-hole tk2 of the side wall 152 is provided with the longitudinal connection plates 30, 31, 32 of the chaff sheave 22, the ends of the input shaft 28b,
The state is such that the escape restricting pin 47 and the like do not interfere with the side wall 152. The vicinity of the chaff sheave 22 of the swinging sorter 15 assembled as described above is shown in FIGS.
As shown in FIG.

Next, the handling and operation of the threshing machine 9 constructed as described above will be described. During the harvesting operation of the combine, a feed chain (not shown) supplies the tip portion of the harvested grain culm into the handling room, and the handling cylinder 12 performs threshing of the tip portion. Leaked from 14,
Feed part 153 and glen pan 154 of swing sorter 15
Fall on.

On the other hand, the swing sorter 15 has a roller 3
9, 39, and the rear portion of the left and right shaft member 44,
Under the state of being supported by the link member 42 and the lateral support shaft member 41, the cam crank 45 is repeatedly reciprocated while being imparted with longitudinal displacement by rotation of the cam crank 45. The grains and small culm cuts are sent to the rear while being leveled and sorted by specific gravity and fall on the Glen Sheave 23, and the grains and small pieces of the culm leak down the Glen Sheave 23 and are directed toward the first gutter 17 Fall. Under the flow condition of the grain after such a grain pan 154,
Grains and culm fragments are blown by the Karino fan 16 and are air-sorted. The first paddy is collected in the first gutter 17 and transported into the grain tank 11 by the first conveyor 18. A second product such as a light grain or a small culm is collected in the second gutter 19 and returned to the processing chamber by the second conveyor 20.

The grains and culms that have not leaked from the receiving net 14 are transported rearward on the receiving net 14 by the rotation of the handling drum 12 and sent into the processing chamber, where they are processed together with the second product. After that, it falls on the chaff sheave 22, a part of which falls on the Glen pan 154 or the Glen sheave 23 and is sorted in the same manner as before, and the others pass through the straw rack 24, and are then moved by the suction / discharge fan 21. It is discharged outside.
The object to be processed on the chaff sheave 23 is subjected to a layer sorting operation with a relatively small eye by a group of movable guide fins 25 on the front side having a gentle inclination, and then is relatively large by a group of movable guide fins 25 on the rear side having a steep inclination. Reasonable sorting is performed by receiving the desired layer sorting action. In addition, the slugs in the straw fall onto the chaff sheave 22 and undergo the same sorting action as described above.

When changing the sorting ability of the swing sorting board 15 described above, the angle of the movable guide fins 27 of the chaff sheave 22 is changed, the air flow of the Karino fan 16 is adjusted, and The inclination angle of the movable floating board 33 is changed.

[0048]

According to the present invention described above, since a large number of movable guide fins can be connected to an independent structure via an additional member independently of the swinging sorter main body, the movable guide fins are constituted by a group of movable guide fins. The chaff sheave can be easily assembled, and the chaff sheave thus assembled can be easily assembled to the swinging sorter body by simple fixing means. As a result, a relatively large and heavy swinging sorter can be obtained. The chaff sheave composed of the movable guide fins can be quickly assembled in the swinging sorter body without frequently raising and lowering the body or changing the posture.

Further, since the chaff sheave is assembled to the swinging sorter main body through the through hole, one of the left and right additional members can be fixed to the outer surface of the side wall of the swinging sorter main body. It is possible to secure a wide left and right width of the sorting surface of the chaff sheave by avoiding a situation in which the left and right width of the swinging sorter body is reduced, and to assemble the chaff sheave relatively easily. The interlocking mechanism is located outside the side wall of the swinging sorter body so that the structure can be easily maintained.

According to the second aspect of the present invention, the vertical support plate in which the chaff sheave is located on each of the left and right sides of the swinging and separating plate main body, and the vertical connection plate for interlocking and connecting the movable guide fins. Because it can be assembled into an independent structure through
The assembling of the chaff sheave to the swing sorter main body can be easily performed, and it is not necessary to assemble the vertical connecting plate after the assembling, and the through hole is formed in the side wall of the swing sorter main body. In addition, since the chaff sheave is assembled so as to be inserted from the outside of the through hole into the inside of the through hole, the assembling of the chaff sheave to the swing sorter main body can be performed more easily and quickly. . In addition, since the chaff sheave is inserted into the inside of the through hole from the outside of the through hole, it is assembled to the swinging sorter body,
One of the left and right additional members can be fixed to the outer surface of the side wall of the swinging and sorting machine main body, and based on this, the same effect as in the case of the invention according to claim 1 can be obtained. It is.

According to the third aspect of the invention, the same effect as that of the first aspect of the invention can be obtained based on the through hole, and the left and right sides of the chaff sheave correspond to the same. Since the structure is supported by the side wall on the side where the chaff sheave is formed, the rigidity of the assembling of the chaff sheave to the swing sorter main body can be reliably maintained.

According to the fourth aspect of the present invention, since a large number of movable guide fins can be connected to the independent structure via the additional member independently of the swing sorter main body, the movable guide fins can be separated from the movable guide fin group. Can be easily assembled, and the assembled chaff sheave can be easily assembled to the swing sorting board body by simple fixing means. As a result, a relatively large and heavy swing sorting can be performed. The chaff sheave composed of the movable guide fins can be quickly formed on the swinging and sorting board body without frequently raising and lowering the board body and changing the posture.

Then, one of the left and right side additional members, which are the front and rear side additional members connecting the respective left and right side portions of the plurality of movable guide fins, correspond to the left and right side walls of the swinging sorter main body. Fixed to the outer surface of the side wall
By avoiding the situation where the additional member reduces the left and right width of the swing sorting board main body, it is possible to secure a wide left and right width of the chaff sheave sorting processing surface, and assemble the chaff sheave in advance and mount the side wall on the swing sorting board body. It can be assembled relatively easily through the through hole, and the interlocking mechanism of a large number of movable guide fins can be located outside the side wall of the swinging sorter body to make them easy to maintain. You can do it.

According to the chaff sheave of the fifth aspect,
A large number of movable guide fins can be assembled into an independent structure via the fulcrum member of the vertical support plate and the vertical connecting plate means, and the shape stability of the chaff sheave can be effectively held by a simple structure. Further, by moving one connecting plate means back and forth, each movable guide fin is provided with a fulcrum member (fulcrum pin 27) at a specific position at each end in the left-right direction of the movable guide fin.
It can be swung around and the movable guide fins can be tilted to a specific angle by precisely interlocking them, and furthermore, the front group and the rear group of a number of movable guide fins can be displaced in conjunction with each other. In addition, the movable guide fins of each group can be held in a different inclined state for each group. .

According to the chaff sheave of the sixth aspect,
By inserting a fulcrum pin and a connecting pin into required portions of each movable guide fin, a large number of movable guide fins can be relatively easily maintained in stability as a whole shape and have an independent integrated structure. Can be assembled at this time,
Through the input shaft, the fulcrum pin and the connecting pin can be prevented from coming off from the left and right end surfaces of each movable guide fin.

According to the chaff sheave of the seventh aspect,
Each of the movable guide fins can be firmly mounted on the left and right side walls of the swinging and sorting board main body, and the mounting rigidity thereof can be effectively increased.

[Brief description of the drawings]

FIG. 1 is a side view showing a combine provided with a swing sorter according to the present invention.

FIG. 2 is a side view showing the periphery of the swing sorter.

FIG. 3 is a sectional view showing an x1-x1 part of FIG. 2;

FIG. 4 is a sectional view showing an x2-x2 part of FIG. 2;

FIG. 5 is a perspective view of a main body and the like of the swing sorter viewed from one side.

FIG. 6 is a perspective view of a main body and the like of the swing sorting board as viewed from the other side.

FIG. 7 is a plan view showing a chaff sheave of the swing sorter.

FIG. 8 shows the chaff sheave, wherein A is a perspective view seen from one side and B is a perspective view seen from the other side.

9A and 9B show a vertical support plate on one side used for the chaff sheave, wherein A is a side view, B is a cross-sectional view showing an x3-x3 portion, and C is a cross-sectional view showing an x4-x4 portion.

FIG. 10 is a sectional view showing a vertical support plate on the other side used for the chaff sheave, wherein A is a side view and B is a section taken along the line x5-x5.

FIG. 11 shows a front vertical connecting plate used for the chaff sheave, wherein A is a side view and B is a front view.

FIG. 12 shows a rear vertical connecting plate used for the chaff sheave, where A is a side view and B is a front view.

FIG. 13 is a side view showing an intermediate vertical connecting plate used for the chaff sheave.

FIG. 14 shows a movable guide fin used for the chaff sheave, wherein A is a plan view and B is a side view.

FIG. 15 is a perspective view of the swing sorting board as viewed from one side.

FIG. 16 is a perspective view of the swing sorting board as viewed from the other side.

[Explanation of symbols]

 Reference Signs List 15 swing sorter 15a swing sorter main body 151 side wall 152 side wall 153 feed section (bottom) 154 Glen pan section (bottom) 22 chaff sheave 23 Glen sheave 25 movable guide fin 25a end of movable guide fin 25b end of movable guide fin Part 26a Vertical support plate (additional member) 26b Vertical support plate (additional member) 261 Vertical plate member 27 Support pin (fulcrum member) 28a Connection pin (input member) 28b Input shaft (input member) 29a Vertical connection plate Means (additional member) 29b Vertical connection plate means (additional member) 30 Front vertical connection plate (additional member) 301 Vertical plate member 31 Intermediate vertical connection plate (additional member) 32 Rear vertical connection plate (Additional member) 321 vertical plate member en arc hole ja shaft hole na input hole sa pivotal support hole tk1 through hole tk2 through

Claims (7)

[Claims] 1. A threshing machine having a rocking sorter provided with a plurality of movable guide fins and having a plurality of movable guide fins inside a rocking sorter body having a pair of left and right side walls. A long hole is formed in one of the side walls in the front-rear direction, and the chaff sheave assembled into an independent structure through an additional member for connecting the left and right sides of each movable guide fin is formed through the hole. A rocking sorter for a threshing machine, which is assembled via 2. A threshing machine having a rocking sorter provided with a plurality of movable guide fins and a plurality of movable guide fins inside a rocking sorter body having a pair of left and right side walls. A long through-hole is formed in one of the side walls in the front-rear direction, and the left and right sides of a large number of movable guide fins located on the left and right sides of the swinging sorter main body are joined and pivoted. The vertically oriented support plate and the chaff sheave assembled in an independent structure via the vertically connected plate for interlocking and connecting the respective movable guide fins are assembled in a state inserted from the outside of the through hole into the inside thereof. A rocking sorter for a threshing machine. 3. A threshing machine having a swing sorter provided with a plurality of movable guide fins and a plurality of movable guide fins inside a swing sorter body having a pair of left and right side walls, wherein the swing sorter has a left and right side. A through hole is formed in one of the side walls in the front-rear direction, and the chaff sheave assembled into an independent structure via an additional member for connecting the left and right sides of each movable guide fin is formed through the through hole. Wherein the left and right additional members are supported on the corresponding side wall on the corresponding side thereof. 4. A threshing machine having a swing sorter provided with a chaff sheave in which a number of movable guide fins are located inside a swing sorter body having an independent structure having a substantially rectangular shape in plan view. A large number of movable guide fins are attached to the swing sorter main body with a chaff sheave assembled in an independent structure via a front-rear addition member in which the left and right sides are connected to each other. A rocking sorter for a threshing machine, characterized in that the members are fixed to the outer surfaces of the corresponding side walls of the left and right side walls of the rocking sorter body. 5. A plurality of left and right movable guide fins are arranged side by side in the front and rear direction, and a specific portion sa at one end in the left and right direction of these movable guide fins is elongated in the front and rear direction on a corresponding side thereof. The input members 28a and 28b pivotally supported by the fulcrum member 27 of the support member 26a and displaced in the same manner as the other specific portion na of this end portion are inserted into the arc-shaped holes en of the vertical support plate 26a, and The vertical linking plate means 29a which is long in the direction is interlocked, and the specific portion sa at the other end in the left-right direction of the movable guide fin is connected to the fulcrum member 27 of the vertical support plate 26b which is long in the front-rear direction on the corresponding side. The input members 28a and 28b which are pivotally supported and displaced in the same manner as the other specific part na of this end are interlocked and connected by a vertically long connecting plate means 29b which is long in the front-rear direction. Side vertical connecting plate means 29a, 29
b has a symmetrical structure, and the vertical connecting plate means on each side is composed of three or more vertical connecting plates connected in series and bent freely, and a group of front and rear groups of a large number of movable guide fins. A chaff sheave used in a rocking and sorting machine of a threshing machine, wherein the chaff sheave is configured to be interlocked with a group of differently inclined states. 6. The fulcrum member is a fulcrum pin projecting from each vertical support plate, the input member is a connection pin projecting from each of the left and right vertical connection plates, the left and right vertical connection plates, and the movable guide fins. 9. The swing sorter of a threshing machine according to claim 8, further comprising an input shaft inserted in the left and right direction to hold the left and right vertically connecting plates and the movable guide fins in a connected state. The chaff sheave used. 7. One of the vertical supporting plates is fixed to an outer surface of one side wall of the swinging and sorting machine body, and the other vertical and vertical supporting plate is fixed to the other side wall of the swinging and sorting machine body. The chaff sheave used in the rocking sorter of the threshing machine according to claim 8 or 9, characterized in that: