JP2005333892A - Shaking table sorter of threshing part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shaking table sorter of a threshing part effective for improving the separation accuracy of grains and straw dusts. <P>SOLUTION: A separating wind tunnel connected to a winnower is provided with a shaking sorter shelf to transport the sorting object spilled out from a threshing chamber under shaking and separate the object into clean grains and tailings. A rough sorting part having a grain transfer plate, a grain sieve net, a rear chaff sieve and a rear straw rack from the front side to the back side in the order is placed above the shaking sorter shelf, and a fine sorting part composed of a net to sort the sorting object to clean grains and tailings is placed under the shaking sorter shelf. An intermediate sorting part composed of an intermediate grain transfer plate at the front side and a front chaff sieve at the rear side is placed between the upper and lower sorting parts. The intermediate sorting part is placed under the grain sieve of the rough sorting part, the front chaff plate of the front chaff sieve has a gentle inclination raising the back, and the rear chaff plate of the rear chaff sieve has a steep inclination raising the back. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a swing sorting device for a threshing section.

In the swing sorting device of the threshing section, the rough sorting section that receives the sorting object leaked from the handling room with the chaff sheave and swings and moves it to the first grain and the second thing. A precision sorting unit for sorting is provided, and an intermediate sorting unit consisting of a fixed gren pan and a plurality of sieve lines is placed at the upper and lower middle positions of both sorting units, and a part of the sorting wind from the Kara is introduced into the intermediate sorting unit. It is well known to form a possible opening and to provide a wind direction plate for increasing or decreasing the amount of the selected wind introduced into the opening (Patent Document 1).
Japanese Patent Laid-Open No. 7-274696 (page 4, FIG. 3)

  In the prior art, the intermediate sorting unit arranged between the coarse sorting unit and the fine sorting unit is provided with a plurality of sieve lines behind the fixed grain pan. If the broken rice is mixed, the broken grain falls from the sieving line to the fine sorting section below, and the sorting of the grain in the fine sorting section is obstructed, or the broken grain is mixed with the most grain. Occurs.

  Therefore, the present invention is intended to eliminate such problems and to improve the separation accuracy by improving the separation between grains and sawdust.

  In order to solve the above problems, the present invention has taken the following technical means.

  According to the first aspect of the present invention, the oscillating sorting shelf 10 that receives the object to be sorted leaked from the handling chamber 2 to the sorting air channel that blows out from the Kara 11 and sorts it into the first grain and the second item while oscillating and transporting it. In the upper part of the swing sorting shelf 10, there is a coarse sorting section A in which a grain transfer plate 16, a net sheave 17, a rear chaff sheave 18, and a rear strolack 20 are sequentially arranged from the front side to the rear side. Provided at the bottom of the swing sorting shelf 10 is a fine sorting section B made of a net that sorts the objects to be sorted into the first grain and the second, and the upper and lower intermediate parts of these sorting sections A and B. Provided with an intermediate sorting section C comprising an intermediate grain transfer plate 23 on the front side and a front chaff sheave 24 on the rear side, the intermediate sorting section C being disposed below the grain sieve 17 of the coarse sorting section A, The front chaff plate 24a, which is inclined upwardly from the chaff sheave 24, is attached to the rear Up sloped rear chaff plate 18a after Fushibu 18, ... and the rocking sorter threshing unit, characterized by being configured to gradually inclined than.

  According to the said structure, the to-be-sorted thing which the sawdust and the grain which fell to the rough-sorting part A from the handling chamber 2 are the rear part of the steep back-up inclination of the grain transfer board 16, the grain sieve 17, and the rear chaff sheave 18. Roughly sorted while being swung and transferred from the front side portion to the rear side portion by the chaff plate 18a,... And the rear strollac 20 and the wastes sent to the rear side are discharged from the rear strollac 20 to the outside of the machine. Further, the grain mixed in the sawdust leaks from the grain sieve 17 to the intermediate sorting part C, is transferred to the front chaff sheave 24 through the downwardly inclined intermediate grain transfer plate 23, and is loosely before the upwardly inclined shape. Sorted by the partial chaff plate 24a,. Then, the grain smash and swarf mixed in the grain fall on the mesh body at the rear side of the fine sorting section B through the front chaff plate 24a, ..., and further on the mesh body to the rear side. The grains that have been transported and fall-sorted to the second receiving tray 13 and leaked from the front chaff plate 24a,... Leak from the sorting screen of the fine sorting section B and fall-sort to the first receiving tray 12. .

  According to the second aspect of the present invention, the swing sorting shelf 10 that sorts the first and second grains while receiving and swinging and transferring the material to be sorted leaked from the handling chamber 2 to the sorting air passage that blows out from the Kara 11. In the upper part of the swing sorting shelf 10, there is a coarse sorting section A in which a grain transfer plate 16, a net sheave 17, a rear chaff sheave 18, and a rear strolack 20 are sequentially arranged from the front side to the rear side. Provided at the bottom of the swing sorting shelf 10 is a fine sorting section B made of a net that sorts the objects to be sorted into the first grain and the second, and the upper and lower intermediate parts of these sorting sections A and B. Provided with an intermediate sorting section C comprising an intermediate grain transfer plate 23 on the front side and a front chaff sheave 24 on the rear side, the intermediate sorting section C being disposed below the grain sieve 17 of the coarse sorting section A, The front chaff plate 24a, which is inclined upwardly from the chaff sheave 24, is attached to the rear Up sloped rear chaff plate 18a after Fushibu 18, ... and the rocking sorter threshing unit, characterized by being configured with a smaller number than.

  According to the above-described configuration, the sorting object mixed with the sawdust and the grains that have fallen from the handling chamber 2 to the coarse sorting section A is the rear chaff plate 18a having a large number of the grain transfer plate 16, the grain sheave 17, and the rear chaff sheave 18. .. And the rear strollac 20 is roughly sorted while being oscillated and transferred from the front side portion to the rear side portion, and the wastes sent to the rear side are discharged from the rear strobe back 20 to the outside of the machine. Further, the grain mixed in the sawdust leaks from the grain sieve 17 to the intermediate sorting section C, is transferred to the front chaff sheave 24 through the intermediate grain transfer plate 23 having a downward slope, and a small number of front chaff plates. 24a,... Then, the grain smash and swarf mixed in the grain fall on the mesh body at the rear side of the fine sorting section B through the front chaff plate 24a, ..., and further on the mesh body to the rear side. Grains that have been transported and fall-sorted to the second receiving tray 13 and quickly leaked from the small number of front chaff plates 24a,... Fall sorted.

  According to the third aspect of the present invention, the swing sorting shelf 10 for sorting the first and second grains while receiving and swinging and transferring the material to be sorted leaked from the handling chamber 2 to the sorting air passage blown out from the Kara 11. In the upper part of the swing sorting shelf 10, there is a coarse sorting section A in which a grain transfer plate 16, a net sheave 17, a rear chaff sheave 18, and a rear strolack 20 are sequentially arranged from the front side to the rear side. Provided at the bottom of the swing sorting shelf 10 is a fine sorting section B made of a net that sorts the objects to be sorted into the first grain and the second, and the upper and lower intermediate parts of these sorting sections A and B. Provided with an intermediate sorting section C comprising an intermediate grain transfer plate 23 on the front side and a front chaff sheave 24 on the rear side, the intermediate sorting section C being disposed below the grain sieve 17 of the coarse sorting section A, The front and rear intervals between the front chaff plates 24a,. Up sloped rear chaff plate 18a after the serial rear chaff sieve 18, ... and the threshing unit swing sorting device, characterized in that the wider structure than longitudinal spacing.

  According to the said structure, the to-be-sorted object which the sawdust and the grain which fell to the coarse sorting part A from the handling chamber 2 mixed the grain transfer board 16, the grain sieve 17, and the rear chaff plate 18a with the wide front-back space | interval of the rear chaff sheave 18. ,..., And the rear strollac 20 are coarsely sorted while being oscillated and transferred from the front side portion to the rear side portion, and the wastes sent to the rear side are discharged from the rear strobe back 20 to the outside of the apparatus. Further, the grain mixed in the sawdust leaks from the grain sieve 17 to the intermediate sorting section C, is transferred to the front chaff sheave 24 through the downwardly inclined intermediate grain transfer plate 23, and has a wide front and rear chaff. Sorted by the plates 24a,. Then, the grain smash and swarf mixed in the grain fall on the mesh body at the rear side of the fine sorting section B through the front chaff plate 24a, ..., and further on the mesh body to the rear side. Grains that have been transported and fall-sorted to the second receiving tray 13 and quickly leaked from the front chaff plate 24a,... 12 is fall-sorted.

  In the first aspect of the present invention, the grains in the material to be sorted that have leaked from the grain sieve 17 of the coarse sorting section A to the intermediate sorting section C can be smoothly smoothed by the front chaff plate 14a,. While being transferred to the side, the fine sorting part B leaks through the net body and is dropped and sorted to the first receiving tray 12, and cereals and swarf in the sorting object are rear chaff sheave 18 of the coarse sorting part A. ... Are sorted while being transferred to the rear side with resistance applied by the steeply inclined rear chaff plates 18a,..., And the separation of swarf and grains is promoted and the sorting accuracy can be improved.

  According to the second aspect of the present invention, the grains in the material to be sorted leaked from the grain sieve 17 of the coarse sorting section A to the intermediate sorting section C are moved to the rear side by a small number of front chaff plates 14a,. While being transported, it quickly leaks, and cereals and swarfs in the object to be sorted are rearward while resistance is applied by the rear chaff plates 18a,. It is screened while being transported, and the separation between the sawdust and the grain is promoted and the sorting accuracy can be improved.

  According to the third aspect of the present invention, the grains in the material to be sorted leaked from the grain sieve 17 of the coarse sorting section A to the intermediate sorting section C are rear sided by the front chaff plates 14a,. In addition, the cereal cuts and swarf in the object to be sorted are subjected to resistance by the rear chaff plates 18a,... However, it is sorted while being transferred to the rear side, so that the separation between the sawdust and the grain is promoted and the sorting accuracy can be improved.

(Example 1)
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG.1 and FIG.2 has shown the threshing part of the combine. The threshing part is configured to thresh by the handling cylinder 3 that is inserted into the handling chamber 2 while being held and transported by the feed chain 1 while holding the cereal stock, and is threshed and received by the receiving net 4. The threshing processed material that has leaked out the cereal is sorted into the second item such as cereal grain, grain with branch stem and the third culm of the sawdust by the lower selection unit 5, and the selected cereal is the first cereal machine (Not shown) cereal storage in a Glen tank (not shown), the second thing is returned to the processing chamber 7 by the second cerealing machine 6 and threshed again, and the third part of the sawdust is sorted out 5 is configured to be discharged out of the apparatus by a dust exhaust fan 8.

  A processing chamber 7 is disposed on the side of the handling chamber 2, and a processing cylinder 9 is rotatably provided in the processing chamber 7. A portion of the processing cylinder 9 positioned on the front side of the machine body is configured as a small-diameter processing cylinder 9a, and a portion positioned on the rear side is configured as a large-diameter processing cylinder 9b. And the second thing from the second cerealing machine 6 is returned to the rear end part of the small diameter processing cylinder 9a in the processing chamber 7, and the threshing process is performed again while sending the second thing to the front side of the machine body by the small diameter processing cylinder 9a. . Further, the threshing process is performed by feeding the unthreshed grain sent to the rear side of the handling chamber 2 to the front end portion of the large-diameter processing cylinder 9b in the processing chamber 7, and feeding it to the rear side of the machine body by the large-diameter processing cylinder 9b. The swarf is discharged from the end and supplied to the rear part of the swing sorting shelf 10.

  Next, the selection unit 5 will be described.

  The sorting unit 5 swings and sorts the cereals leaked from the receiving net 4 in the handling chamber 2 while swinging and transporting the cereals, and supplies the sorting wind to the oscillating sorting racks 10 to remove the cereals. Tangwei 11 which winds and blows off the wastes to the rear, the first receiver 12 with the first spiral 11a for receiving the selected grain, and the second receiver with the second spiral 13a for receiving the second selected item It is comprised by the dust 13 and the dust exhaust fan 8 etc. which discharge | emit the wastes which were sorted by the rocking | swiveling sorting shelf 10 and were blown away to the rear side.

  Next, the swing sorting shelf 10 will be described.

  The flat rectangular hollow swing sorting frame 10a of the swing sorting shelf 10 is swingably supported by the machine body by a slide support mechanism 14 and a crank swing mechanism 15, and the swing sorting frame 10a. The coarse selection part A is provided in the inner upper part. The coarse sorting portion A includes a grain transfer plate 16 with transfer protrusions from the front side portion to the rear side, a net sheave 17, a rear chaff sheave 18, a front strollac 19 provided above the rear chaff sheave 18, and a rear chaff sheave 18. The rear Strollac 20 is located on the rear side, and is shaken in response to threshing leaked from the receiving net 4 of the handling chamber 2 or sawdust discharged from the dust outlet 2a of the handling chamber 2. This is a configuration that performs rough sorting while moving and moving.

  The rear chaff sheave 18 has a plurality of rear chaff plates 18a,... That can be pivotally adjusted around the horizontal axis, arranged in parallel in the left-right direction, and the rear chaff plates 18a,. The chaff sheave interlocking plate 21 is moved back and forth by an adjustment motor (not shown), and the inclination angle thereof is adjusted gradually.

  Further, a receiving plate (or receiving sieve wire) 22 is extended toward the front end of the front stroller 19 toward the upper side of the transfer, and the receiving plate 22 is provided at the dust outlet provided below the rear end of the handling chamber 2. It faces below 2a. Further, the front Strollac 19 has short short Strollacs 19a,... And long long Strollacs 19b,... Arranged alternately in the left-right direction so that the sorting action surfaces of the long Strollacs 19b,. In this configuration, the sorting action surface of the short Strollacs 19a,... Is configured to have a steep rear upslope, and the rear side end faces the middle part of the long Strollacs 19b,.

  In the lower part of the inside of the hollow swing sorting frame 10a, there is provided a fine sorting part B composed of a front side rear-down sloping gren pan and a rear sorting net, and the grain leaked from the coarse sorting part A The sorting object mainly composed of grains is guided to the rear side by a grain pan, and the grains are subjected to leakage selection while transferring the grains to the rear side by a sorting net, and the grains are subjected to leakage selection to the first receptacle 12 on the front side, It is the structure which carries out a leakage selection to the 2nd receiving rod 13 which has arrange | positioned the 2nd thing of the grain with a branch raft on the back side.

  In addition, an intermediate selection unit C including an intermediate grain transfer plate 23 with a rearward downward slope of the front side and a front chaff sheave 24 of the rear side is configured in the vertical intermediate portion between the coarse selection unit A and the fine selection unit B. doing. Thus, the to-be-sorted material leaked from the coarse sorting section A is supplied to the front chaff sheave 24 while being rocked and transferred to the rear side by the intermediate grain transfer plate 23 and wind-selected by the front chaff sheave 24. It leaks from the front chaff sheave 24 to the sorting screen on the front side of the fine sorting section B, and the grains and sawdust with branch branch move to the rear side on the front chaff sheave 24 and move to the rear side of the fine sorting section B. Sorted while falling on the sorting net.

  The front chaff sheave 24 has a plurality of front chaff plates 24a,... That can be pivotally adjusted around the horizontal axis, arranged in parallel in the left-right direction, and the front chaff plates 24a,. For example, the front chaff sheave interlocking plate 25 is moved back and forth by an adjustment motor (not shown) to adjust the inclination angle of the front chaff plates 24a,.

  The Kara 11 is arranged in the lower part of the grain transfer plate 16 on the front side of the swing sorting shelf 10, and the upper air wall 26 and the lower air wind 27 are provided at the outlet of the Kara 11, and the upper case wall 11 a of the Kara 11 is provided. The sub-sorted wind blown from the upper sorting air passage 28 between the upper wind split 26 and the upper wind split 26 flows to the front chaff sheave 24 via the lower part of the intermediate grain transfer plate 23, and further, the fine sorting section B and the coarse sorting section. The part A flows toward the rear side. Further, the main selection airflow (upper) 29a between the upper airflow 26 and the lower airflow 27 and the main selection airflow (lower) 29b between the lower airflow 27 and the lower case wall 11b are blown out. Flows toward the rear side through the fine sorting section B and the coarse sorting section A.

  As described above, since the intermediate sorting portion C including the intermediate grain transfer plate 23 and the front chaff sheave 24 is arranged at the lower portion of the grain sieve 17 of the coarse sorting portion A and the front side portion of the rear chaff sheave 18, the coarse sorting portion C is arranged. The material to be sorted leaked from the Glen sheave 17 of the part A is supplied to the front chaff sheave 24 through the intermediate grain transfer plate 23 that is inclined backward and forward, and from the Kara 11 to the front chaff sheave 24 through the upper sorting air passage 28. The sorting air is supplied to the to-be-sorted object, and the object to be sorted is floated and sorted by the front chaff sheave 24.

  Thus, the grain leaks from between the front chaff plates 24a, ... of the front chaff sheave 24, then leaks from the sorting screen of the fine sorting section B and is sorted into the first receiving tray 12, Grains and sawdust with branch stems mixed in the selection are sent to the rear side of the front chaff plate 24a,... This makes it possible to improve the sorting ability.

  Further, as described above, the intermediate sorting portion C including the intermediate grain transfer plate 23 and the front chaff sheave 24 is provided at the lower portion of the grain sieve 17 of the coarse sorting portion A and the front portion of the rear chaff sheave 18, and the rear chaff sheave .. And the front chaff plate 24a of the front cuff sheave 24 are configured so that the inclination can be adjusted separately. Therefore, when a large amount of objects to be sorted is selected, the front chaff sheave 24 is arranged in front of the front chaff sheave 24. The inclination angle of the partial chaff plates 24a, ... is adjusted to a steep angle.

  Then, the object to be sorted can be caused to leak from between the front chaff plates 24a,... And be guided onto the sorting network on the front side of the fine sorting unit B, thereby obtaining a long sorting process and reducing grain loss. In addition, the sorting air can be sufficiently supplied to the front chaff sheave 24 and the fine sorting portion B through the upper sorting air passage 28, and the sorting accuracy can be improved.

  Further, when sorting a small amount of objects to be sorted, the front chaff plates 24a,... Of the front chaff sheave 24 are adjusted to a gentle inclination. As a result, many items to be sorted can be guided onto the sorting screen of the rear fine sorting section B by the gently inclined front chaff plate 24a, and so on. Can do. Further, a large amount of sorting air is supplied from the main sorting air passage (upper part) 29a, the main sorting air passage (lower part) 29b, and the upper sorting air passage 28 onto the sorting screen of the fine sorting unit B to which the grain is supplied. It is wind-selected, and the grain with a grain stalk or a branch branch is transferred to the rear side, so that the mixing of the grain sever break into the first receptacle 12 can be reduced and the sorting accuracy can be improved.

  When adjusting the inclination angles of the front chaff plates 24a,... And the rear chaff plates 18a,..., The vehicle speed of the combine is detected by a vehicle speed sensor (not shown) (or the transfer speed of the feed chain 1 is detected by a feed chain sensor ( (Not shown) or by detecting the threshing work efficiency by detecting the grain thickness of the grain transfer plate 16 by a grain layer thickness sensor (not shown), and the front chaff plate 24a of the front chaff sheave 24 is detected. ,... Are adjusted in relation to each other, or the inclination angles of the front chaff plates 24a,... Of the front chaff sheave 24 and the rear chaff plates 18a,. May be.

  In addition, an intermediate selection unit C including an intermediate grain transfer plate 23 on the front side and a front chaff sheave 24 on the rear side is provided at the intermediate part in the vertical direction between the coarse selection unit A and the fine selection unit B. The front side portion of the transfer plate 23 is configured to have a steep downward slope, the rear side portion of the intermediate grain transfer plate 23 is configured to have a gentle downward slope, and the intermediate grain that is the front side portion of the sorting screen of the fine sorting unit B The lower corresponding portion of the grain transfer plate 23 is configured to have a rearward downward slope, and the lower corresponding portion of the front chaff sheave 24 that is the rear side of the sorting net is configured to have a rearward upward slope. Is sent to the front side chaff sheave 24 of the sorting screen of the fine sorting section B and the front chaff sheave 24 of the intermediate sorting section C. Therefore, a large amount of sorting wind is sent from the upper sorting air passage 28 to the entire front and rear of the front chaff sheave 24. The intermediate chaff sheave 24 and the fine sorter B Until sorting network back side can be improved sorting accuracy can be smoothly guiding the object to be sorted matter.

  Further, when the plurality of rear chaff plates 18a,... In the rear chaff sheave 18 are arranged in parallel in the left-right direction and are pivotally supported around the horizontal axis so as to be freely rotatable, the rotational adjustment about the upper horizontal axis 18b,. When the plurality of front chaff plates 24a,... Of the front chaff sheave 24 are arranged in parallel in the left-right direction and are pivotally adjusted around the horizontal axis, the lower horizontal axis 24b,. The horizontal axis 24b of the front chaff plate 24a,... At the foremost end is arranged at a position below the rear end of the intermediate grain transfer plate 23 with a predetermined space therebetween. .

  Therefore, the center of rotation of the front chaff plates 24a,... Is on the front side of the upper sorting air passage 28. Therefore, even if the inclination angle of the front chaff plates 24a,. The sorting air can be evenly distributed to the plates 24a,... To improve the sorting accuracy. Further, when the front chaff plates 24a,... Are adjusted to a gentle inclination, the object to be sorted can be smoothly guided to the rear side of the sorting screen of the fine sorting section B, and the main sorting air passage (upper part) 29a. It is possible to sort well by receiving the abundant sorting air of the main sorting air passage (lower part) 29b.

  Further, the rearmost end portion of the front cuff plate 24a in the front cuff sheave 24 of the intermediate sorting portion C is positioned below and in front of the frontmost end of the rear cuff plate 18a in the rear cuff sheave 18 of the rough sorting portion A. It is composed. Then, the sorting wind that has flowed from the Kara 11 through the upper sorting air passage 28 to the front chaff plate 24a, ... is smoothly guided to the rear chaff plate 18a, ... of the rear chaff sheave 18, and at the rear chaff plate 18a, ... Sorting can be improved.

  Further, the rear end portion of the grain sieve 17 of the coarse sorting portion A is configured to be positioned below the upper end portion of the rearmost chaff plate 18a of the foremost rear chaff sheave 18 that follows. Thus, even if a large amount of objects to be sorted is transferred by the Glen sieve 17, it is temporarily accumulated and stagnated between the rear end portion of the Glen sieve 17 and the foremost rear chaff plate 18 a of the rear chaff sheave 18. .. Are transferred toward the rear rear chaff plates 18a,... So that excessive objects are not suddenly supplied to the rear chaff sheave 18, so that the supply is equalized and the sorting accuracy is improved. Can do.

  In addition, the coarse sorting part A is provided with a grain transfer plate 16, a net sheave 17, a rear chaff sheave 18, and a rear strolac 20 from the front side to the rear side. A coarse mesh is formed sequentially from the front to the rear. Therefore, the grain sieve 17 is prevented from falling into the fine sorting portion B of the grain severed or branched grain from the front side part, and the grain smashed to the first receiving tray 12 or the grain dropped with the branched stem is reduced. However, it is possible to improve the sorting accuracy of the first grain.

  Next, an inclination angle adjusting device for the front chaff sheave 24 of the intermediate sorting section C and the rear chaff sheave 18 of the coarse sorting section A will be described with reference to FIG.

  The chaff sheave interlocking plate 21 is linked to the lower free end side of the rear chaff sheave 18 on the lower side of the plurality of rear chaff plates 18a, and the front chaff sheave interlocking plate on the free end side of the front chaff plate 24a,. 25 are linked. Then, one end of the adjustment arm 30 pivotally supported on the swing sorting frame 10a is pin-connected to the chaff sheave interlocking plate 21, and one end of the adjustment arm 30 and the front chaff sheave interlocking plate 25 are pin-connected via the rod 31. The adjusting wire 32 pushed and pulled by the adjusting means is not connected to the other end portion of the adjusting arm 30, and the rear chaff plate 18a of the rear cuff sheave 18 and the front chaff plate 24a of the front cuff sheave 24 are connected. Are adjusted to a steep inclination angle or to a gentle inclination angle.

  Thus, the inclination of the rear chaff plate 18a,... Of the rear chaff sheave 18 and the front chaff plate 24a,.

  Further, the rear chaff plate 18a,... Of the rear chaff sheave 18 and the front chaff plate 24a,. The rear upward inclination angle of 24a, ... is configured to be gentler than the rear upward inclination angle of the rear chaff plate 18a, ... of the coarse sorting portion A.

  Therefore, when the coarse crushing part A is mainly sorted by the rear chaff plates 18a,... And the lower chaff is mainly sorted by the front chaff plates 24a,. The flow of grain at the front chaff plate 24a, ... is improved, and the rear chaff plate 18a, ... at a steep slope gives resistance to slow movement to the rear side of the object to be sorted, Separation can be promoted and the sorting accuracy can be improved.

  In addition, when the coarse chaff A is mainly sorted by the upper chaff plates 18a,... Of the coarse sorting portion A and the lower chaff is mainly sorted by the front chaff plates 24a,. The number of front chaff plates 24a,... Is less than the number of rear chaff plates 18a,..., And the front chaff sheave 24 is configured to be shorter in the front-rear direction than the rear chaff sheave 18.

  Therefore, the grain leakage at the front chaff plates 24a,... Of the front chaff sheave 24 is quickened, and the rear chaff plates 18a,. It is possible to improve the sorting accuracy by promoting the separation of swarf and grains with a long and long sorting process.

  In addition, when the coarse chaff A is mainly sorted by the upper chaff plates 18a,... Of the coarse sorting portion A and the lower chaff is mainly sorted by the front chaff plates 24a,. The number of front chaff plates 24a,... Is less than the number of rear chaff plates 18a,..., And the front chaff sheave 24 is configured to be shorter in the front-rear direction than the rear chaff sheave, and the front chaff plates 24a,. Is configured to be wider than the front and rear intervals of the rear chaff plates 18a,.

  Thus, in the rear chaff plate 18a of the rear chaff sheave 18 mainly composed of sawdust, the leakage of the grain at the front chaff plate 24a of the front chaff sheave 24 mainly of the grain is promoted. Slowing while adding resistance to the rear side of the sawdust, promotes the separation of the sawdust and the grain and improves the sorting accuracy.

  Next, another embodiment of the selection control will be described based on FIG.

  The tilt angle of the grain sieve 17 of the coarse sorting part A is configured so that it can be adjusted slowly and slowly by, for example, a tilt adjusting motor (not shown), and the grain layer thickness of the grain transfer plate 16 is, for example, a grain layer thickness sensor (shown). The second reduction amount of the second cereal machine 6 is configured to be detectable by the second reduction amount sensor (not shown), and the wind power adjusting means (not shown) of the potato 11 is provided. The selection air volume of the tang 11 and the inclination angle of the grain sieve 17 are adjusted in relation to each other.

  When this control is started, as shown in FIG. 4, the grain layer thickness of the grain transfer plate 16 is detected by a grain layer thickness sensor (not shown), and the magnitude of the grain layer thickness is determined ( Step S1). When the grain layer thickness is small, the control unit (not shown) operates the tang air volume adjusting means (not shown) to the decreasing side to adjust the tang air volume to small (step S2), The rearward downward slope of the grain sieve 17 of the sorting unit A is adjusted to a gentle inclination (step S3).

  When the grain layer thickness is medium, the tang air volume adjustment means adjusts the tang air volume to a medium level (step S4), and the rear descending slope of the coarse sieve 17 of the coarse sorting part A is adjusted to a medium level. (Step S5).

  Further, when the grain layer thickness is large, the tang air volume adjustment means adjusts the tang air volume to a large level (step S6), and then detects the second reduction amount by a second reduction amount sensor (not shown). The magnitude is determined (step S7), and if the second reduction amount is small, the tang wind volume is adjusted to a medium level (step S4), and the rearward descending slope of the Glen sieve 17 is adjusted to a medium level (step S5). ).

  Further, when the second reduction amount is medium, the tang-air amount is large, the rearward slope of the Glen sieve 17 is adjusted to a medium inclination (step S8), and the second reduction amount is large. In the case where the air volume of the tang is large, the downward slope of the glensieve 17 is adjusted to be steep (step S9).

  As described above, by adjusting the amount of the tang wind and the downward inclination angle of the grain sieve 17 of the coarse sorting portion A, it is possible to smoothly cope with some of the objects to be sorted and perform a good sorting.

  Next, a description will be given of the related inclination adjustment configuration of the grain sieve 17 of the coarse sorting section A, the rear chaff plate 18a of the rear chaff sheave 18, and the front chaff plates 24a of the intermediate sorting section C with reference to FIG.

  .. Of the rear chaff plate 18a,... Of the rear chaff sheave 18 and the lower chaff plates 24a,. The angle of inclination is adjustable so that the front chaff plates 24a, ... and the rear chaff plates 18a, ... are linked to the front and rear connecting rods 42, 43 so that the front and rear connecting rods 42, 43 are connected. Inclination can be adjusted by moving 43 forward and backward. The front end portion of the grain sieve 17 of the coarse sorting portion A is pivotally supported so that the rear side portion of the grain sieve 17 can be adjusted up and down, and the inclination angle of the rear descending can be adjusted.

  The adjustment arm 44 is pivoted around the fulcrum P below the rear side of the grain sheave 17 of the coarse sorting section A, below the front side of the rear chaff sheave 18 and to the rear side of the front chaff sheave 24 of the intermediate sorting section C. An interlocking rod 46 provided at the rotating side end of the adjusting arm 44 is pivotally connected to the rear end of the grain sheave 17, and the front and rear interlocking rods 47 provided at the rotating side end of the adjusting arm 44. , 48 are pivotally connected to the ends of the connecting rods 42, 43.

  Thus, when the adjusting arm 44 is rotated counterclockwise around the fulcrum P by an operating tool (not shown), the front and lower chaff plates 18a,. Is adjusted to a steep slope, and when it is rotated clockwise, the grain sheave 17 is adjusted to a gentle downward slope, and the front chaff plate 24a,... And the rear chaff plate 18a,. It is possible to increase the sorting accuracy by smoothly dealing with the size. Further, by arranging the adjusting arm 44 at the above position, the link configuration can be made compact.

  Moreover, you may comprise so that the inclination | tilt angle of the rear descending | falling of the grain sieve 17 of the coarse selection part A can be adjusted independently. When comprised in this way, the grain sieve 17 is adjusted to a steep slope at the time of the threshing operation of the wheat, so that the small wheat grains mixed with the broken grains can be quickly fed to the rear side, and the impurities on the first grains Mixing can be prevented and the sorting accuracy can be increased.

  Next, the Glen tank 51 attached to the threshing unit will be described with reference to FIGS.

  The first cerealing machine 52 is disposed on the side closer to the threshing portion, which is the inside of the Glen tank 51, and the grain basket 53 provided with the transverse feed auger 53a is arranged in the front-rear direction at the bottom of the Glen tank 51. Provided. A cerealing auger tube 54 in which the cerealing auger is built is disposed at the rear side of the grain tank 51 and closer to the outside, and the lower end of the cerealing auger tube 54 is connected to the terminal side of the grain mash 53. The upper end of the cerealing auger tube 54 is attached with a discharge auger tube 55 having a built-in discharge auger, and the discharge auger tube 55 is configured to rotate up and down and turn around the vertical axis. The grain stored by cerealing by 52 is configured to be able to be taken out of the machine through the cerealing auger tube 54 and the discharge auger tube 55.

  Then, the circulating transfer cylinder 56 in which the auger 56 a is built is arranged along the front-rear direction above the grain tank 51, and the upper end of the cerealing auger cylinder 54 is connected to the circulating transfer cylinder 56 via a switching valve 57. The start end side is connected, and the grains cerealed by the cereal auger cylinder 54 are switched and transferred to the discharge auger cylinder 55 side by the switching valve 57, or can be switched and transferred to the circulation transfer cylinder 56 side. .

  And the reflux port 58 is provided in the middle part of the circulation transfer cylinder 56 and the position farthest from the discharge port 52 a of the cerealing machine 52, and the cereal circulation kernel is configured to circulate in the Glen tank 51. Yes. Further, a dust suction fan 59 is provided so as to face the reflux port 58 to the Glen tank of the circulation transfer cylinder 56, and dusts in the circulated grains are sucked by the dust suction fan 59 and discharged out of the machine. .

  If the threshing portion is to be made into a single grain reliably, the threshing portion must have a high capacity, which increases the size of the device and causes an increase in cost. However, by circulating the grain in the Glen tank 51 with the auger, the grain pressure at the lower part of the Glen tank 51 is reduced to suppress the grain lump and facilitate the discharge of the grain, and the grain with branch infarction is Single grains can be formed. Moreover, since dust and dust can be discharged out of the machine by the dust-absorbing fan 59 during the circulation of the grain, it is not necessary to increase the sorting performance of the threshing part, and the threshing part can be enlarged while the grain is made into a single grain. Cost increase can be suppressed.

  Next, another embodiment of the Glen tank 51 will be described with reference to FIGS.

  The first cerealing machine 52 is disposed on the side closer to the threshing portion, which is the inside of the Glen tank 51, and the grain basket 53 provided with the transverse feed auger 53a is arranged in the front-rear direction at the bottom of the Glen tank 51. Provided. The lower end portion of the cereal auger cylinder 54 in which the cereal auger is installed is connected to one end side of the grain mill 53, and the discharge auger cylinder 55 in which the discharge auger is provided is attached to the upper end of the cereal auger cylinder 54. The discharge auger tube 55 is configured to be capable of moving up and down and pivoting around the vertical axis, and the grain stored by the first cerealing machine 52 is transferred to the outside through the cerealed auger tube 54 and the discharge auger tube 55. It is configured to be removable.

  Moreover, the other end part of the transverse feed auger 53a of the grain basket 53 is attached to the lower end part of the cereal circulation cylinder 60 in which the circulation auger is built, so that the grains in the tank can be circulated. . Then, a large-diameter circulation transmission pulley 61 and a small-diameter discharge transmission pulley 62 are attached to the shaft end of the lateral feed auger 53a, and power is supplied via a circulation transmission belt (not shown) and a discharge transmission belt (not shown). The transverse auger 53a is rotated forward at a low speed to transfer a small amount of grains to the cereal circulation tube 60 side, and the cereal auger of the cereal circulation tube 60 is driven. 53a is reversely rotated at high speed to transfer a large amount of grains to the side of the cereal auger cylinder 54 and to drive the auger of the cereal auger cylinder 54. A dust suction fan 59 is provided at a position above the grain tank 51 away from the grain groin 60a of the cereal circulation cylinder 60.

  Thus, during the threshing operation of the combine, the grain is transferred little by little while the transverse feed auger 53a is normally rotated at a low speed via a circulation transmission belt (not shown), and the grain is lifted by the auger of the cerealing circulation cylinder 60. Then, the dust tank 51 is circulated, and dust scattered during the cerealing is discharged by the dust suction fan 59 to the outside of the machine. Therefore, it is possible to remove the dust by making the grain with a branch infarction into a single grain while suppressing the deflation damage of the grain.

  Further, when the threshing operation is completed and the grain in the grain tank 51 is discharged, the transverse auger 53a is reversely rotated at a high speed via a discharge transmission belt (not shown), and a large amount of the grain is transferred to the cereal auger tube 54. , And cerealed with the cereal auger cylinder 54, and the grain can be quickly taken out from the discharge auger cylinder 55.

  As shown in FIG. 11, when the first cerealing machine 52 is arranged at the front side of the grain tank 51 and closer to the inner side, and the cerealing circulation tube 60 is arranged at the front side of the grain tank 51 and closer to the outer side, Circulating grains can enter the tank 51 evenly, and the grain accommodation rate can be increased.

  Moreover, in providing the grain insertion sensor 64 in the Glen tank 51, as shown in FIG. 9, in the site | part below the grain discharge port 60a of the cereal circulation pipe | tube 60, below the scattering position of a cereal grain. It arrange | positions and it is comprised so that the detection switch part 64a may be provided in the lower surface of the grain penetration sensor 64. FIG. Thus, it is possible to prevent erroneous detection due to the circulated grain and to improve detection accuracy.

  Next, another embodiment of the Glen tank 51, the cerealed auger tube 54, and the discharge auger tube 55 will be described with reference to FIGS.

  A concave portion 65 is formed in the central portion of the rear side of the synthetic resin-made grain tank 51, and the cerealed auger tube 54 is disposed in the concave portion 65 in a plan view, and the virtual four sides of the grain tank 51 in a plan view. The cereal auger tube 54 is configured to fit within the shape. That is, the concave portion 65 of the Glen tank 51 is configured with a concave groove half 66 constituting substantially half of the cereal auger tube 54 in plan view, and the cereal half half facing the concave groove half 66. 67 is composed of an iron plate, and the cereal cylinder half 67 is secured to the grooved groove half 66 of the glen tank 51 with bolts and nuts. An auger tube 54 is formed, and the cereal auger 54 is provided with a cereal auger.

  And the discharge auger cylinder 55 with which the discharge auger is equipped is attached to the upper end part of the cereal auger cylinder 54 configured in this way, and the discharge auger cylinder 55 can be turned up and down and swiveled around the shaft. It is configured to be able to take out the grain stored by the first cerealing machine 52 through the cerealed auger cylinder 54 and the discharge auger cylinder 55 to the outside of the machine.

  As described above, since the milled auger tube 54 is disposed in the recess 65 of the Glen tank 51 in plan view, the Glen tank 51 can be disposed while effectively utilizing the chassis area, and the capacity of the Glen tank 51 can be secured. Moreover, since the cereal cylinder half 67 is made of an iron plate, the cost can be reduced.

  Further, as a conventional technology of the Glen tank, there is one disclosed in Japanese Utility Model Publication No. 61-142552. However, since the half of the auger milling cylinder is provided so as to protrude from the side surface of the Glen tank in a plan view, There was a problem that the capacity could not be increased sufficiently. However, such a problem can be solved by adopting the above configuration.

The cut side view of a threshing part. The cutting top view of a threshing part. The cutaway side view of the principal part. The flowchart of selection control. The side view of the principal part. The cut side view of a Glen tank. The front view of a Glen tank. The top view of a Glen tank. The cut side view of a Glen tank. The front view of a Glen tank. The top view of a Glen tank. The side view of a Glen tank. The top view of a Glen tank. The cutting top view of a Glen tank.

Explanation of symbols

2 Handling chamber 10 Oscillating sorting shelf 11 Karatsu 12 First receiving 13 Second receiving 16 Grain transfer plate 17 Glen sheave 18 Rear chaff sheave 18a Rear chaff plate 20 Rear strolack 23 Intermediate grain transfer plate 24 Front chaff sheave 24a Front Upper chaff plate 28 Upper sorting air channel 29 Lower sorting air channel A Coarse sorting unit B Fine sorting unit C Intermediate sorting unit

Claims (3)

  An oscillating sorting shelf 10 is provided in the sorting air passage that blows out from the Karatsu 11 and receives the object to be sorted leaked from the handling chamber 2 while being oscillated and transferred to the first grain and the second thing. 10 is provided with a coarse sorting section A in which a grain transfer plate 16, a net sheave 17 of a net body, a rear chaff sheave 18, and a rear strolac 20 are sequentially arranged from the front side portion to the rear side portion. In the lower part of the screen, there is provided a fine sorting part B consisting of a net that sorts the material to be sorted into the first grain and the second grain, and the front side intermediate grain at the upper and lower intermediate parts of both the sorting parts A and B. An intermediate sorting section C comprising a transfer plate 23 and a front chaff sheave 24 on the rear side is provided, and the intermediate sorting section C is disposed below the grain sheave 17 of the coarse sorting section A, and the rear chaff is inclined upward. Of the front chaff plate 24a,... Ri sloped rear chaff plate 18a, ... the threshing unit swing sorting apparatus characterized by being configured to gradually inclined than.   An oscillating sorting shelf 10 is provided in the sorting air passage that blows out from the Karatsu 11 and receives the object to be sorted leaked from the handling chamber 2 while being oscillated and transferred to the first grain and the second thing. 10 is provided with a coarse sorting section A in which a grain transfer plate 16, a net sheave 17 of a net body, a rear chaff sheave 18, and a rear strolac 20 are sequentially arranged from the front side portion to the rear side portion. In the lower part of the screen, there is provided a fine sorting part B consisting of a net that sorts the material to be sorted into the first grain and the second grain, and the front side intermediate grain at the upper and lower intermediate parts of both the sorting parts A and B. An intermediate sorting section C comprising a transfer plate 23 and a front chaff sheave 24 on the rear side is provided, and the intermediate sorting section C is disposed below the grain sheave 17 of the coarse sorting section A, and the rear chaff is inclined upward. Of the front chaff plate 24a,... Ri sloped rear chaff plate 18a, ... rocking sorter threshing unit, characterized by being configured with a smaller number than.   An oscillating sorting shelf 10 is provided in the sorting air passage that blows out from the Karatsu 11 and receives the object to be sorted leaked from the handling chamber 2 while being oscillated and transferred to the first grain and the second thing. 10 is provided with a coarse sorting section A in which a grain transfer plate 16, a net sheave 17 of a net body, a rear chaff sheave 18, and a rear strolac 20 are sequentially arranged from the front side portion to the rear side portion. In the lower part of the screen, there is provided a fine sorting part B consisting of a net that sorts the material to be sorted into the first grain and the second grain, and the front side intermediate grain at the upper and lower intermediate parts of both the sorting parts A and B. An intermediate sorting section C comprising a transfer plate 23 and a front chaff sheave 24 on the rear side is provided, and the intermediate sorting section C is disposed below the grain sheave 17 of the coarse sorting section A, and the rear chaff is inclined upward. The front and rear chaff plates 24a,... Up sloped rear chaff plate 18a after 18 ... rocking sorter threshing unit, characterized in that the wider structure than longitudinal spacing.

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