JP2005253316A - Swinging and separating shelf of threshing part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve separation accuracy by preventing inclusion of cut grain culms to first grains in a swinging and separating shelf of a threshing part. <P>SOLUTION: In the swinging and separating shelf of the threshing part for receiving a material to be separated leaked down from a threshing chamber and separating the material to be separated while swinging and transferring the material, a crude separation part in which grain transfer plate, a grain sieve, on which grains are made to leak, composed of a net body, a rear chaff sieve and a rear straw rack are successively installed are provided from the upper side of transfer to the lower side of transfer on the upper part of the swinging and separating shelf. A fine separation part composed of a net body for separating the material to be separated to grains and a second material is provided in the lower part of the swinging and separating shelf. Intermediate separation parts are installed at upper and lower intermediate positions of these both separation parts and these intermediate separation parts are arranged under the grain sieve of the crude separation part. A winnower is arranged in the lower direction on the upper side of transfer of swinging and separating shelf and separation air from the winnower is fed through an upper separation air passage to the front chaff sieve of the intermediate separation part and separation air from the winnower is fed through the lower separation air passage to the lower side of transfer of the crude separation part and the fine separation part. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a swing sorting shelf of a threshing unit.

In the swing sorting device of the threshing unit, the sorting processed material leaked from the handling room is received by a chaff sheave and swinging and transferred to the coarse sorting unit, and the sorted processing product is sorted into a grain and a second product. A precision sorting unit is provided, and an intermediate sorting unit with a fixed gren pan and a plurality of sieve lines is arranged at the upper and lower middle positions of both sorting units, and a part of the sorting wind from the Kara is introduced between the sorting units. It is well known to provide a wind direction plate that forms a possible opening and adjusts the amount of sorting air introduced into the opening so as to increase or decrease (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 on the lower side of the fixed grain pan. If the slicing is mixed, the slaughtering of the cereal will fall from the sieve line to the refined sorting section below, hindering the sorting of the grain in the refined sorting section, The problem of being mixed occurs. Therefore, the present invention is intended to solve such a problem.

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

  The invention of claim 1 is an oscillating sorting shelf 10 of a threshing section that receives a to-be-sorted item leaked from the handling chamber 2 and sorts it into the first grain and the second item while being oscillated and transferred. In the upper part of the moving sorting shelf 10, a grain transfer plate 16, a grain sheave 17 composed of a net body and leaking the grain, a rear chaff sheave 18, and a rear strolack 20 are sequentially arranged from the upper transfer side to the lower transfer side. A coarse sorting unit A is provided, and a fine sorting unit B composed of a net for sorting the items to be sorted into grains and second products is provided at the bottom of the swing sorting shelf 10, and both of these sorting units A and B are provided. An intermediate sorting portion C comprising an intermediate grain transfer plate 23 on the upper transfer side and a front chaff sheave 24 on the lower transfer side is provided at the upper and lower intermediate positions, and the intermediate selection portion C is disposed below the grain sieve 17 of the coarse selection portion A. And the Kara 11 is arranged below the upper side of the swing sorting shelf 10 on the upper transfer side. The sorting wind blown from the Kara 11 to the upper sorting air passage 28 is sent to the front chaff sheave 24 of the intermediate sorting portion C, and the sorting wind blown from the Kara 11 to the lower sorting air passage 29 is sent to the coarse sorting portion A and the fine sorting portion B. The swing sorting shelf of the threshing section is characterized by being sent to the lower transfer side.

  According to the said structure, the to-be-sorted item leaked from the handling chamber 2 to the coarse sorting part A is transferred from the upper transfer side to the lower transfer side through the grain transfer plate 16, the grain sieve 17, the rear chaff sheave 18, and the rear strok back 20. Roughly sorted, the sawdust is discharged from the rear Strollac 20 to the outside of the machine, and the sorting object mainly composed of grains leaks from the grain sieve 17 to the intermediate sorting part C. The object to be sorted that has leaked to the intermediate sorting section C is transferred to the front chaff sheave 24 through the downwardly inclined intermediate grain transfer plate 23 and sorted. Grain cuts and swarf in the object to be sorted fall through the front chaff sheave 24 onto the lower mesh body of the fine sorting section B and are further transported on the lower mesh body to the second receiving tray 13. Grains that have been fallen and leaked from the front chaff sheave 24 are leaked from the sorting screen of the fine sorting section B and fallen and sorted to the first receiving tray 12.

  Further, the intermediate sorting section C is sorted by the sorting wind sent from the Kara 11 through the upper sorting air passage 28, and the lower sorting air path from the Kara 11 to the lower sorting air of the coarse sorting part A and the fine sorting part B is provided. Sorted by the sorting wind sent through No. 29.

  In the second aspect of the invention, the inclination angle of the rear chaff plate 18a,... In the rear cuff sheave 18 of the rough sorting portion A and the inclination angle of the chaff plates 24,. The swing sorting shelf of the threshing part according to claim 1, wherein the swing sorting shelf is configured to be possible.

  According to the above configuration, in addition to the operation of the first aspect of the present invention, when a large amount of objects to be sorted is selected, if the inclination angle of the front chaff plates 24a,. A large amount of the sorted product can be guided to the upper transfer side of the sorting screen of the fine sorting unit B, and the grain loss can be reduced. Further, when sorting a small amount of objects to be sorted, adjusting the tilt angle of the front chaff plate 24a,... Can be led to the side, and the grains on the upper side and the lower side can be equalized and selected with sufficient margin.

  The invention of claim 3 is characterized in that the front chaff plate 24a of the front chaff sheave 24 in the intermediate sorting section C is inclined so that the upper transfer side is high and the lower transfer side is low. The swing sorting shelf of the threshing section according to Item 1.

  According to the above configuration, in addition to the operation of the first aspect of the invention, the sorting of the front chaff plates 24a,... Of the front chaff sheave 24 from the upper side to the lower side of the front chaff plate 24a,. A large amount of wind can be sent, and the flow of corn kernels in the material to be sorted, which is transferred to the fine sorting unit B through the intermediate grain transfer plate 23 and the front chaff sheave 24 of the intermediate sorting unit C, is smooth. can do.

  In the first 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 leak through the front chaff sheave 24 and the fine sorting section B net. The cereals cut and swarf in the object to be sorted are sent to the receiving side 12 and sent to the lower side of the fine sorting part B from the front chaff sheave 24 and fall-sorted to the second receiving part 13, Sorting accuracy can be improved while preventing chopping and mixing of sawdust into the first grain.

  In addition to the above-described effect of the invention of claim 1, the invention of claim 2 is adapted to adjust the inclination angle of the rear chaff plates 18a,... Accuracy can be improved.

  The invention of claim 3 can smooth the flow of the objects to be sorted from the intermediate grain transfer plate 23 and the front chaff sheave 24 of the intermediate sorting section C to the fine sorting section B, and can improve the sorting accuracy.

(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 unit is configured to convey the cereal stock by the feed chain 1 and to thresh the tip part by the handling cylinder 3 that is rotationally driven in the handling chamber 2. The threshing processed material that has leaked out the rice is sorted into a second grain such as a grain or a grain with a cocoon and a swarf by the lower sorting unit 5, and the selected grain is the first cereal machine (not shown) The cereals are stored in a grain tank (not shown), and the second product is returned to the processing chamber 7 by the second cerealing machine 6 and threshed again. It is configured to discharge outside the machine.

  Further, 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. The processing cylinder 9 provided on the front side of the machine body is configured as a small-diameter processing cylinder 9a, and the processing cylinder 9 provided on the rear side is configured as a large-diameter processing cylinder 9b. The second thing from the machine 6 is reduced and threshing is performed again while being sent to the front side of the machine body. Is fed to the rear side of the machine body and threshed to supply the waste to the lower side of the swing sorting shelf 10.

  The sorting unit 5 is configured as follows. That is, the swinging sorting shelf 10 that sifts and sorts the cereal that has leaked from the handling chamber 2, and supplies the sorting wind to the swinging sorting shelf 10 to wind the cereal and transport the swarf. The Kara 11 that blows off to the lower side, the first receptacle 12 with the first spiral 11a that receives the selected grain, the second receptacle 13 with the second spiral 13a that receives the second selected item, and the swing sorting shelf 10 It is constituted by a dust exhaust fan 8 or the like for discharging the wastes that have been sorted and blown off to the rear side.

  Next, the swing sorting shelf 10 will be described.

  This swing sorting shelf 10 constitutes a rough sorting section A on the inner upper side of a flat rectangular hollow swing sorting frame 10a swung by a slide guide groove 14 and a crank swing mechanism 15. This coarse sorting part A is a grain transfer plate 16 with a transfer protrusion from the upper transfer side to the lower transfer side, a grain sheave 17 composed of a net and leaking the grain, a rear chaff sheave 18, and an upper part of the rear chaff sheave 18. The front stroller 19 provided on the rear side and the rear stroller back 20 positioned on the lower side of the rear chaff sheave 18 are arranged so as to receive the cereals leaking from the handling chamber 2 and perform rough sorting while swinging and transferring. is there.

  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,. .., And the tilt angle of the rear chaff plates 18a,.

  Further, a sieve wire 22 having a predetermined interval is provided at the front end of the front stroller 19 so as to be well transferred, and the sieve wire 22 is provided below the dust outlet 2a provided below the lower end of the handling chamber 2. Oppositely arranged. Further, the front Strollac 19 has short short waste sorting screens 19a,... And long long waste sorting screens 19b,... Alternately arranged in parallel in the left-right direction, and the short waste sorting screens 19a,. Then, the lower side end portion faces the middle portion of the long waste sorting screen 19b,.

  A fine sorting part B, which is composed of a sorting net and leaks the grain, is provided from the upper transfer side to the lower transfer side and is leaked from the coarse selection part A at the inner lower part of the hollow swinging selection frame 10a. The second receiving rod in which the sorting object mainly composed of grain is sorted while swinging, the grain is sorted and leaked to the first receiving tray 12 on the upper transfer side, and the second item is arranged on the lower transfer side. 13 is configured to perform fall sorting.

  In addition, an intermediate sorting unit C including an intermediate grain transfer plate 23 and a front chaff sheave 24 inclined downward from the upper transfer side to the lower transfer side is provided at the intermediate part in the vertical direction between the coarse selection unit A and the fine selection unit B. Yes. Thus, the material to be sorted leaked from the coarse sorting section A is supplied to the front chaff sheave 24 while being oscillated and transferred by the intermediate grain transfer plate 23, wind-selected by the front chaff sheave 24, and the grain is removed from the chaff sheave 24. The cereals are cut off and the cereals and swarf are sorted while being fed on the lower side of the front chaff sheave 24 and supplied to the lower side of the fine sorting unit B.

  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) so that the inclination angle of the front chaff plates 24a,... Can be adjusted.

  The Kara 11 is arranged below the grain transfer plate 16 on the upper transfer side of the swing sorting shelf 10, and an upper wind rate 26 and a lower wind rate 27 are provided at the outlet of the Kara 11. Thus, the sub-selected air blown out from the upper selection air passage 28 between the upper case wall 11a of the Chinese potato 11 and the upper air division 26 flows to the front chaff sheave 24 via the lower part of the intermediate grain transfer plate 23, Furthermore, it flows to the lower side of the fine sorting section B and the rough sorting section A. Further, the main sorting air passage (upper) 29a between the upper air division 26 and the lower air division 27 and the main sorting air passage (lower) 29b between the lower air division 27 and the lower case wall 11b are blown out. The wind is configured to flow to the lower side of the fine sorting unit B and the coarse sorting unit A.

  As described above, since the intermediate sorting portion C composed of the intermediate grain transfer plate 23 and the front chaff sheave 24 is arranged at the lower part of the grain sieve 17 of the coarse sorting portion A and on the upper transfer side of the rear chaff sheave 18, The material to be sorted leaked from the grain sieve 17 of the sorting section A is supplied to the front chaff sheave 24 through the downwardly inclined intermediate grain transfer plate 23, and from the tang 11 to the front chaff sheave 24 through the upper sorting air passage 28. The sorting wind is supplied to the object to be floated and sorted. Thus, the grain leaks from the front chaff plate 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, and is also sorted. Grains cuts and swarf mixed with the material are sent to the lower chaff 13 on the front chaff plate 24a,... Sorting ability can be improved.

  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 on the upper transfer side of the rear chaff sheave 18. Since the rear chaff plate 18a,... And the front chaff plate 24a,... Of the front chiff sheave 24 are separately adjustable, the front portion of the front chaff sheave 24 can be selected when a large amount of objects to be sorted is selected. The inclination angle of the chaff plates 24a, ... is adjusted to a steep angle.

  As a result, the front chaff plate 24a,... Leads the sorted product to the sorting screen of the fine sorting section B on the upper transfer side, can take a long sorting process, and can reduce grain loss. The sorting air can be sufficiently supplied to the front chaff sheave 24 and the fine sorting section B through the 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. Then, the object to be sorted can be guided onto the sorting screen of the precision sorting section B on the lower transfer side by the gently inclined front chaff plates 24a, and so on. it can. 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 cereal stalks and branches and branches are transported to the lower side to reduce the mixing into the first receptacle 12 and improve the sorting accuracy.

  In 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 adjusted by the feed chain. The work efficiency is detected by detection with a sensor (not shown), and the inclination angle of the front chaff plate 24a,... Of the front chaff sheave 24 is adjusted in relation to each other, or the front chaff plate 24a of the front chaff sheave 24 is adjusted. ,... And the rear chaff plate 18 a of the rear chaff sheave 18 may be configured to be adjusted in relation to each other.

  Further, an intermediate sorting air passage portion C including a grain transfer plate 16 on the upper transfer side and a front chaff sheave 24 on the lower side is provided at the intermediate portion in the vertical direction between the coarse selection portion A and the fine selection portion B. The upper side of the grain transfer plate 23 is configured to have a steep downward slope, the lower side of the intermediate grain transfer plate 23 is configured to have a gentle downward slope, and the intermediate side which is the upper side 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 downward slope, and the lower corresponding portion of the front chaff sheave 24, which is the lower side of the sorting net, is configured to have a rear upward slope. 28 is configured to be guided to the upper side of the sorting screen of the fine sorting unit B and to the front chaff sheave 24 of the intermediate sorting unit C, so that a large amount of sorting wind is generated from the upper sorting air passage 28 over the entire transfer direction of the front chaff sheave 24. Intermediate sorter C front chaff sheave 24 and Until the downstream side of the sorting network sorting unit B can be improved sorting accuracy can be smoothly guiding the object to be sorted matter.

  Further, when the plurality of rear chaff plates 18a,... Of the rear chaff sheave 18 are arranged in parallel in the left-right direction and pivotally supported around the horizontal axis so as to be freely rotatable, the rotation is adjusted around 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 core 24b of the uppermost front chaff plate 24a,... Is arranged at a position below the lower side end portion of the intermediate grain transfer plate 23 with a predetermined space therebetween. Yes.

  Therefore, the center of rotation of the front chaff plates 24a,... Is on the upper 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 chaff plates 24a, etc. to improve the sorting accuracy. In addition, when the front chaff plates 24a,... Are adjusted to be gently inclined, the object to be sorted can be smoothly guided to the lower side of the sorting screen of the fine sorting section B, and the main sorting air passage (upper part) can be obtained by the sorting net. 29a, the main sorting air passage (lower part) 29b can receive abundant sorting air and can be well sorted.

  Also, the upper end portion of the lowermost front chaff plate 24a in the front chaff sheave 24 of the intermediate sorting portion C is set lower than the lower end of the rearmost chaff plate 18a in the uppermost portion of the rear chaff sheave 18 of the coarse sorting portion A. It is configured to be located. Thus, the sorting air that has flowed from the tang 11 to the front chaff plate 24a,... Via the upper sorting air passage 28 is smoothly guided to the rear chaff plate 18a,. Can be improved.

  Further, the lower end portion of the coarse sheave 17 of the coarse sorting portion A is configured to be positioned below the upper end portion of the rearmost chaff plate 18a on the uppermost side of the 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 temporarily accumulates and stagnates between the lower end portion of the Glen sieve 17 and the rear chaff plate 18 a on the upper transfer side of the rear chaff sheave 18. Are transferred to the rear chaff plate 18a,... Of the rear chaff sheave 18, so that excessive sorting objects are not suddenly supplied to the rear chaff sheave 18, so that the supply can be equalized and the sorting accuracy can be improved. it can.

  Further, the coarse sorting part A is provided with a grain transfer plate 16, a mesh body 17, a grain sheave 17, a rear chaff sheave 18, and a rear strolack 20 which are composed of a net body and leak the grain from the upper transfer side to the lower transfer side. The meshes of the Glensieve 17 configured as described above are sequentially formed from coarse to coarse from the upper side to the lower side. Thus, the grain sieve 17 is prevented from falling into the fine sorting part B of grain cuts and grain with branches, from the upper side portion of the grain sieve 17, and the grain with broken branches and branches with branch branches is dropped to the first receiving tray 12. As a result, the sorting accuracy can be improved.

  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, An adjustment wire 32 pushed and pulled by an adjustment motor (not shown) is connected to the other end portion of the adjustment arm 30, and the rear cuff plate 18 a of the rear cuff sheave 18 and the front cuff plate 24 a of the front cuff sheave 24 are connected. Both are configured to be adjusted to a steep inclination angle or to a gentle inclination angle.

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

The cut side view of a threshing part. The cutting top view of a threshing part. The cutaway side view of the principal part.

Explanation of symbols

2 Handling room 10 Oscillating sorting shelf 11 Kara 16 Grain transfer plate 17 Glen sheave 18 Rear chaff sheave 18a Rear chaff plate 20 Rear strok back 23 Intermediate grain transfer plate 24 Front chaff sheave 24a Front chaff plate 28 Upper sorting air passage 29 Lower Sorting air path A Coarse sorting section B Fine sorting section C Intermediate sorting section

Claims (3)

  An oscillating sorting shelf 10 of a threshing section that receives a material to be sorted leaked from the handling chamber 2 and sorts it into the first grain and the second while oscillating and transporting, and is placed above the oscillating sorting shelf 10. Is provided with a grain sorting plate A from the upper transfer side to the lower transfer side, comprising a grain transfer plate 16, a grain sheave 17, a rear chaff sheave 18, and a rear strolac 20 which are composed of a net and leak the grain. In the lower part of the swing sorting shelf 10, there is provided a fine sorting section B made of a net for sorting the objects to be sorted into grains and second products, and the upper transfer side between these sorting sections A and B An intermediate sorting part C comprising an intermediate grain transfer plate 23 and a lower chaff sheave 24 on the lower transfer side, and the intermediate sorting part C is arranged below the grain sieve 17 of the coarse sorting part A, and the swing sorting shelf 10 is located on the lower side of the upper transfer side, and the upper part from The sorting air blown to the separate air passage 28 is sent to the front chaff sheave 24 of the intermediate sorting section C, and the sorting air blown from the Kara 11 to the lower sorting air passage 29 is transferred to the rough sorting section A and the fine sorting section B on the lower transfer side. A swing sorting shelf of a threshing section characterized by feeding.   The inclination angle of the rear chaff plate 18a,... In the rear cuff sheave 18 of the coarse sorting portion A and the inclination angle of the chaff plates 24,... In the front cuff sheave 24 of the intermediate sorting portion C can be adjusted separately. The swing sorting shelf of the threshing part according to claim 1.   The threshing section according to claim 1, wherein the front chaff plate 24a of the front chaff sheave 24 in the intermediate sorting section C is inclined so that the upper transfer side is high and the lower transfer side is low. Swing sorting shelf.

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