JP2006180729A - Swing sorter for threshing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase the screening accuracy of the swing sorter for a threshing machine. <P>SOLUTION: A swing and separation rack 8 for sorting the threshed material from the threshing cylinder 3 is provided to the route 12 for the sorting wind that is arranged along in the longitudinal direction under the threshing chamber 2. This swing and separation rack 8 is separated into the front swing and separation rack 8a that is arranged under the threshing chamber 2 in the front of the sorting wind route 12 and to the rear swing and separation rack 8b that is arranged under the threshing chamber 2 in the rear of the sorting wind route 12. The cereal grain conveying protrusions 19 are formed on the front swing separation rack 8a and the whole of the front and rear parts of the front swing separation rack 8b is inclined upward so that they may be made reciprocative relatively largely, the chaff sieve 21 is set on the upper front side of the rear swing and separation rack 8b, the straw rack 22 is set on the upper rear side, and the grain sieves 23 are provided on the lower front side, individually. Thus, front side part of the rear swing and separation rack 8b is inclined upward, thus the relatively large reciprocated motion is made possible and the rear side of the rear swing and separation rack 8b is constituted so that it may reciprocate on the upward inclination in a relatively small swing. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a swing sorting device for a threshing device mounted on a combine, a harvester or the like.

In the swing sorting device of the threshing device, a main swing sorting shelf that is long in the front-rear direction is provided below the handling chamber, a sub swing sorting shelf is provided at the rear upper part of the main swing sorting shelf and the rear upper portion of the handling chamber, A structure in which the main swing sorting shelf and the sub swing sorting shelf are swung in the opposite directions in the front-rear direction is known (Patent Document 1).
Japanese Utility Model Publication No. 58-44033

  In the prior art, on the front side of the main swing sorting shelf that is long in the front-rear direction, the sorting object having a high grain ratio is transferred while being reciprocally swung back and forth in a tilted manner, after the main swing sorting shelf. At the side chaff sheave and stroller, the object to be sorted mixed with grains and swarf is sorted while reciprocally swinging back and forth. And since the rear part of the main swing sorting shelf swings relatively small, the raising height of the sawdust and the sorting air volume are insufficient, so that the sawdust is most mixed with the grain and the sorting accuracy is lowered. In addition, when the amount to be sorted increases, the sorting balance at the front and rear of the main swing sorting shelf is broken, and the problem that smooth sorting cannot be performed has occurred. 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.
According to the first aspect of the present invention, the sorting air passage 12 provided below the handling chamber 2 along the front-rear direction is provided with a swing sorting shelf 8 for sorting out cereals from the handling chamber 2, and the shaking The sorting shelf 8 is arranged at the lower rear part of the front swing sorting shelf 8a disposed at the front side of the sorting air passage 12 below the handling chamber 2 and the front swing sorting shelf 8a at the rear side of the sorting air passage 12. The rear swing sorting shelf 8b is divided into the rear swing sorting shelf 8b, and the front swing sorting shelf 8a is provided with a grain transfer projection 19 so that both the front and rear portions of the front swing sorting shelf 8a are tilted rearward. The rear swing sorting shelf 8b is provided with a chaff sheave 21 on the upper front side, a strobac 22 on the upper rear side, and a grain sheave 23 on the lower front side. The rear swing sorting shelf 8b is configured so that the front side portion of the swing sorting shelf 8b can swing relatively reciprocally in a rearwardly inclined manner. The rocking sorter threshing apparatus characterized by being configured to be relatively small reciprocating swing the side to the rear upward inclined after.

  According to the said structure, the threshing which mainly consisted of the grain which fell from the handling chamber 2, and small sawdust is received by the front rocking | fluctuation sorting shelf 8a, and both the front part and the rear part are comparatively large in the back up inclination shape. It is smoothly moved rearward by the grain transfer protrusion 19 of the front swinging sorting shelf 8a that reciprocally swings and supplied to the front end of the rear swing sorting shelf 8b. Further, the rear swing sorting shelf 8b is supplied with the cereal from the front swing sorting shelf 8a and the cereal with much sawdust from the rear of the handling chamber 2, and the front side portion of the rear swing sorting shelf 8b. In the chaff sheave 21 portion, these threshing grains are sorted while being reciprocally swung back and forth in a tilted manner, and the sawdust is transported rearward by the chaff sheave 21 and sent to the rear strollac 22 portion. Sorting is performed by the Strollac 22 that is reciprocally swinging relatively small in an inclined manner, and the sawdust is discharged from the rear end of the Strollack 22 to the outside of the machine. In addition, the grains that have been screened and leaked at the chaff sheave 21 portion on the front side of the rear swing sorting shelf 8b and the grain with branches and branches are transported while being sorted by the lower Glen sheave 23 that is reciprocally swung back and forth. It is sorted into the first grain and the second grain with branch.

  According to the second aspect of the present invention, the upper outlet 11a of the red pepper 11 disposed at the front end of the sorting air passage 12 is connected to the rear end of the front swing sorting shelf 8a and the front end of the rear swing sorting shelf 8b. The sorting air is sent toward the rear side, and the lower outlet 11b of the Kara 11 is directed to the lower part of the rear swing sorting shelf 8b to send the sorting air toward the rear side. A swing sorting device for a threshing device according to claim 1.

  According to the above configuration, in addition to the operation of the first aspect of the present invention, the cereal removal is relatively large from the rear end portion of the front swing sorting shelf 8a swinging in a relatively large rearwardly inclined manner. The cereals are removed by the chaff sheave 21 on the front side of the rear swing sorting shelf 8b, which is supplied to the front side portion of the rear swing sorting shelf 8b while being lifted up and tilted, and then relatively swung in the rear upward tilt shape. While the sawdust inside is greatly bounced up, it is wind-selected by the sorting wind from the upper outlet 11a of the Kara 11 and the separation and sorting of the grains and the sawdust are promoted.

  The invention of claim 3 is characterized in that the front swing sorting shelf 8a is driven at a rotational speed proportional to the traveling speed of the combine, and the rear swing sorting shelf 8b is driven at a predetermined rotational speed. The threshing device swing sorting device according to claim 1.

  According to the above configuration, in addition to the operation of the first aspect of the invention, the front swing sorting shelf 8a is driven at a rotational speed proportional to the traveling speed of the combine, and the rear swing sorting shelf 8b is a predetermined rotational speed. The cereals are sorted by the front swing sorting shelf 8a and the rear swing sorting shelf 8b.

  According to the first aspect of the present invention, the front part and the rear part of the front swing sorting shelf 8a provided with the grain transfer protrusion 19 reciprocally swing back and forth in a relatively upward inclined manner. In addition, since the chaff sheave 21 portion on the front side of the rear swing sorting shelf 8b swings relatively reciprocally in a rearward upward inclined manner, the wind dust is well winded while being largely thrown up, and Since the Strollac 22 at the rear part of the rear swing sorting shelf 8b reciprocally swings in a rearwardly inclined manner, the rearward transfer speed of the sawdust is reduced to sufficiently sort the waste, Separation of scraps and grains is promoted, and the sorting accuracy can be increased.

  In addition to the effect of the invention of claim 1, the invention of claim 2 has a rear end of the front swing sorting shelf 8a and a rear swing sorting shelf that are swung relatively large in a rearwardly inclined manner. Separation of threshing wastes and grains supplied from the front rocking sorting shelf 8a to the rear rocking sorting shelf 8b since the sorting wind from the tang 11 is supplied toward the front end of 8b. Is promoted and the sorting accuracy can be increased.

  In addition to the effect of the invention of claim 1, the invention of claim 3 swings the front swing sorting shelf 8a at a rotational speed proportional to the traveling speed of the combine, and moves the rear swing sorting shelf 8b to the travel speed. Regardless of the cutting speed, it is configured to swing at a constant rotational speed, so that regardless of the cutting efficiency, the front swing sorting shelf 8a can always transport the threshing with a constant layer thickness, and the rear swing. In the sorting shelf 8b, the sorting accuracy can be improved by always sorting at a constant rotation speed while keeping the sorting leakage amount constant.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 to 2 show a threshing portion of a combine equipped with the present invention, FIG. 1 is a cut side view, and FIG. 2 is a cut plan view.

  The threshing part is transported while holding the root of the cereal with the feed chain 1, and the tip part is inserted into the handling chamber 2, so that the threshing is carried out by the handling cylinder 3 with teeth 3 a,. The threshing processed product that has been configured and threshed and leaked through the receiving net 4 is the first cereal, branched grain, etc. Sorted into 3 items. Then, the selected first grain is stored in a grain tank (not shown) by a first cerealing machine (not shown), and the second selected item is a second cerealing machine (not shown). For example, a part of the third waste sawdust that has been reduced to the handling chamber 2 and threshed again is discharged from the rear portion of the swing sorting shelf 8 by the dust exhaust fan 7, and the remainder The sawdust is discharged from the rear end of the swing sorting shelf 8 to the outside of the machine.

Next, the selection unit 6 will be described more specifically.
The sorting section 6 is supported by the sorting air passage 12 through which the sorting air is sent from the red pepper 11 to the rear side, and supported by the sorting air passage 12 so as to be able to swing back and forth in the front-rear direction. Swinging sorting shelf 8 that performs specific gravity sorting while swinging and moving to the side, first receiving tray 13 with the first spiral 13a for receiving the first selected grain, and second spiral 14a for receiving the second selected item The attached second receiving rod 14 and a dust exhaust fan 7 that sucks a part of the sawdust sorted by the swing sorting shelf 8 and blown to the rear side from the left and right sides of the machine body and discharges it outside the machine. It is configured.

  The swing sorting shelf 8 is divided into a front swing sorting shelf 8a provided below the handling chamber 2 and a rear swing sorting shelf 8b provided below the front swing sorting shelf 8a. . The front swing sorting shelf 8a is provided with a grain transfer projection 19 for transporting the grain leaked from the handling chamber 2 from the front side to the rear side, and the front end of the front swing sorting shelf 8a is connected to the swing arm 16. The swing roller 17 provided at the rear end portion of the front swing sorting shelf 8a is supported by a slide groove 18 having a rear rising slope, and the front portion of the front swing sorting shelf 8a is supported. In addition, the rear portion is configured to reciprocally swing back and forth in an inclined manner.

  Further, a chaff sheave 21 is provided on the upper front side of the rear swing sorting shelf 8b, and a stroller 22 is provided on the upper rear side to constitute a rough sorting section, and a strok back on the lower front side of the rear swing sorting shelf 8b. A granular sieve 23 made of a mesh body is provided at a lower portion of 22 to constitute a fine sorting portion. A rocking roller 24 is provided at the front end of the rear rocking sorting shelf 8b, and the rocking roller 24 is supported by a slide groove 26 having a rear-upward inclined shape provided in the frame. Further, the rear swing drive wheel 27 is pivoted on the frame, and the rear end portion of the rear swing selection shelf 8 b is supported by the eccentric pin 27 a of the rear swing drive wheel 27. Thus, the front side portion of the rear swing sorting shelf 8b is reciprocally swung back and forth in a relatively upward inclination, and the rear side portion of the rear swing sorting shelf 8b is reciprocally swung back and forth in a relatively small manner. It is configured.

Next, the power transmission configuration to the swing sorting shelf 8 will be described.
A front swing drive wheel 28 is mounted in the vicinity of the swing arm 16 of the front swing sorting rack 8a, and a crank rod 29 is provided between the eccentric pin 28a and the swing arm 16 of the front swing drive wheel 28. And can be swung. In addition, the power of the engine (not shown) is transmitted to a combined traveling crawler device (not shown) via a traveling transmission device (not shown) capable of shifting. Then, the power after the shift is taken out from the travel transmission device (not shown) and transmitted to the front swing drive wheel 28, and the front swing sorting rack 8a is swung at the rotational speed in proportion to the travel speed. It is a configuration.

  The waste transport chain 31 receives the waste from the feed chain 1 and conveys it to a waste processing device (not shown) at the rear of the machine body. A waste chain drive shaft 32 for driving the waste transport chain 31 is provided. The power of the engine (not shown) is transmitted via the constant speed transmission device 34, and the exhaust chain drive shaft 32 is driven at a constant rotational speed. Further, power is transmitted from the exhaust chain drive shaft 32 rotating at a constant speed to the rear swing drive wheel 27 via the rear swing transmission device 33, and the rear swing is performed at a predetermined rotational speed regardless of increase or decrease in the traveling speed of the combine. The drive shaft 27 is driven, and the rear swing sorting shelf 8b is swung at a predetermined rotational speed.

  Further, the sorting wind generated by the Kara 11 flows backward from between the rear end of the front swing sorting shelf 8a and the front end of the rear swing sorting shelf 8b through the upper outlet 11a. The sorting object supplied from the front swing sorting shelf 8a to the rear swing sorting shelf 8b and the sorting object on the rear swing sorting shelf 8b are wind-selected. In addition, the sorting air blown from the lower outlet 11b is divided into upper and lower parts by the air dividing plate 36 and flows backward through the sorting air passage 12, and flows upward from below the rear swing sorting shelf 8b to sort the objects to be sorted. To do.

  Thus, the threshing mainly consisting of the grains dropped from the handling chamber 2 and the small sawdust is received by the front swing sorting shelf 8a, and the entire front and rear portions reciprocally swing back and forth in a relatively upwardly inclined manner. The cereal is smoothly transferred rearward by the grain transfer protrusion 19 of the front swing sorting shelf 8a and supplied to the chaff sheave 21 at the front end of the rear swing sorting shelf 8b.

  The chaff sheave 21 of the rear swing sorting shelf 8b is also supplied with cereals containing a large amount of sawdust from the dust outlet 2a at the rear end of the handling chamber 2. The chaff sheave 21 on the front side of the rear swing sorting shelf 8b These threshing grains are sorted while being relatively reciprocally swung back and forth, and the sawdust is transported rearward on the chaff sheave 21, and further is straws that reciprocally swivel back and forth. A part of the light wastes sorted out by the rack 22 are sucked and discharged out of the machine by the dust exhaust fan 7, and the remaining wastes are discharged from the rear end of the Strollac 22 to the outside of the rear machine.

  In addition, the grain that has been selected and leaked by the chaff sheave 21 and the grain with a branch infarction are sorted by the lower grain sieve 23 that is reciprocally swung back and forth, and the grain leaks from the grain sieve 23. The first drop receiving and sorting is performed on the receiving tray 13, and the grain with branches and branches is sent to the rear side of the grain sieve 23 and dropped and sorted on the second receiving tray 14 below.

  Since sorting is performed as described above, the front swinging sorting shelf 8a provided with the grain transfer protrusion 19 swings back and forth in a relatively large reciprocating manner so that the entire front and rear part is tilted up and down. The transfer capability is improved, and the chaff sheave 21 portion on the front side of the rear swing sorting shelf 8b reciprocally swings in a relatively upward inclined manner, so that the sawdust is greatly thrown out and is better with the sorting wind. The Strollac 22 portion on the rear side of the rear swing sorting shelf 8b is reciprocally swung in a relatively small manner so as to be tilted rearward, so that the transfer speed of the sawdust to the rear is sufficiently reduced. The grain can be separated from the wastes by sorting and the sorting accuracy can be improved.

  Further, rearward from between the rear end portion of the front swing sorting shelf 8a and the front end portion of the rear swing sorting shelf 8b, which swings the sorting wind generated by the Kara 11 relatively large in a back-up slope. Therefore, the sorting object supplied from the front swing sorting shelf 8a to the rear swing sorting shelf 8b can be favorably wind-selected and the sorting accuracy can be improved.

  Further, as described above, the front swing sorting shelf 8a is swung at a rotational speed in proportion to the traveling speed of the combine, and the rear swing sorting shelf 8b is swung at a constant rotational speed regardless of the traveling speed. Therefore, regardless of the cutting work efficiency, the front swing sorting shelf 8a can always transport the object to be sorted with a constant layer thickness, and the rear swing sorting shelf 8b always swings at a constant rotational speed. The sorting accuracy can be improved by making the sorting leakage amount constant.

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
3 is a plan view of the threshing apparatus provided with the present invention, FIG. 4 is a front view of the same, FIG. 5 is a perspective view of the cutting blade, FIG. 6 is a front view of the cutting blade, and FIG. 8 is a right side view of the cutting blade, FIG. 9 is a rear view of the cutting blade, FIG. 10 is a plan view of the cutting blade, and FIG. 11 is a bottom view of the cutting blade.

  This threshing device is constituted by a handling cylinder 43 with teeth 42,... Pivoted in a handling chamber 41, a receiving net 44 provided so as to cover the lower outer periphery of the handling cylinder 43, a feed chain 46, and the like. ing.

  The upper part of the feed chain 46 on the side of the handling port 41a of the handling chamber 41 and the upper part of the receiving net 44 on the side of the counter handling port 41a of the handling chamber 41 are located on both the left and right sides of the rotating handling teeth 42,. In this way, U-shaped cutting blades 47 are arranged. These cutting blades 47,... Stand up from the mounting portion 49 in an upwardly inclined manner, and the edge of the blade plate portion facing the rotation direction of the tooth-handling 42 is rearward from the base portion to the tip portion. A pair of concave and convex blade edges 48 are formed in an inclined manner.

  Further, in the front view along the side surface of the plate body of the cutting blade 47, the highest portion of the multiple convex portions 48a and the lowest portion of the concave portion 48b of the pair of concave and convex blade edges 48 and 48 along the outer surface of the cutting blade 47. Are formed so as to be linear while alternately repeating, and in a side view perpendicular to the plate body of the cutting blade 47, are formed so as to be linear while alternately repeating a number of convex portions 48a and concave portions 48b. The concave and convex blade edges 48 are formed on the inner surface of the U-shaped cutting blade 47. A mounting bolt 51 is provided on the mounting portion 49 of the base of the cutting blade 47.

  In addition, the tip of the cutting blade 47 is provided so as to enter the rotation locus of the tooth 42 of the treatment drum 43 when viewed from the axial direction of the treatment drum 43, and the pair of concave and convex blade edges 48, 48 of the cutting blade 47 are provided. The handle 42 is configured to pass between the handle 41 and the straight uneven edge 48, 48 of the cutting blade 47, and the handle 41a side in the handle chamber 41 and the counter handle are configured to draw a rotation trajectory. 41a side is configured to cut the cereal.

  Further, the cutting blades 47 on the upper side of the handling port 41a and the upper side on the opposite side of the handling port 41a are arranged in a staggered manner in the axial direction of the handling cylinder 43 in plan view, and the teeth 42,. It is configured to pass between the concave and convex edge 48, 48 of one of the cutting blades 47 so as to improve the cutting performance of sawdust and reduce the horsepower loss.

  In addition, the cutting blades 47 on the side of the handling port 41a and the upper side of the counter-handing port 41a are arranged in the same phase in the axial direction of the handling cylinder 43 in a plan view, and the same tooth 42 is arranged on the upper side of the handling port 41a and You may comprise so that it may pass between the uneven | corrugated blade edges 48 and 48 of the cutting blade 47 of the upper side of the counter-hand opening 41a. By comprising in this way, the cutting performance of sawdust can be improved and the horsepower loss can be reduced.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between the pair of concave and convex blade edges 48 and 48 formed in a straight line while alternately repeating a number of convex portions 48a and concave portions 48b in the cutting blade 47 and the tooth 42, the inside of the treatment chamber 41 is provided. The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side. Moreover, since the cutting | disconnection action part of the uneven | corrugated blade edges 48 and 48 was comprised short linearly, durability can be improved. In addition, since the concave and convex blade edge 14 is formed on the inner surface of the U-shaped cutting blades 47 and 47, the cutting waste is cut while sandwiching the tooth handle 42 between the right and left concave and convex blade edges 48 and 48, so that the cutting performance is high. improves.

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
12 is a plan view of the threshing apparatus provided with the present invention, FIG. 13 is a front view of the same, FIG. 14 is a perspective view of the cutting blade, FIG. 15 is a front view of the cutting blade, and FIG. 17 is a right side view of the cutting blade, FIG. 18 is a rear view of the cutting blade, FIG. 19 is a plan view of the cutting blade, and FIG. 20 is a bottom view of the cutting blade. Since the configuration of the cutting blade 47 is different and the related configuration of the cutting blade 47 and the tooth handling 42 of the handling cylinder 43 is the same as that of the above embodiment, only the difference of the cutting blade 47 will be described.

  A pair of concave and convex blade edges 48, 48 are formed on the edge portions of the cutting blades 47, 47 facing the rotation direction of the tooth-handling 42 from the base portion to the distal end portion so as to be inclined backward. Then, in a front view along the inner surface of the plate body of the cutting blade 47, the highest portion of the multiple convex portions 48a of the pair of concave and convex blade edges 48, 48 along the inner surface of the cutting blade 47 and the highest portion of the concave portion 48b. A plurality of convex portions 48a and concave portions 48b of a pair of concave and convex blade edges 48 and 48 are formed in a side view perpendicular to the plate body of the cutting blade 47 by alternately repeating low portions. It forms so that it may become a straight line, repeating alternately, and the uneven | corrugated edge 48,48 is comprised in the outer surface of the U-shaped cutting blade 47. As shown in FIG.

  Then, the distal end portion of the cutting blade 47 is provided so as to enter the rotation trajectory of the teeth 42 of the treatment barrel 43 when viewed in the axial direction of the treatment barrel 43, and the pair of concave and convex blade edges 48, 48 of the cutting blade 47 are provided. The handle 42 is configured to pass between the handle 41 and the straight uneven edge 48, 48 of the cutting blade 47, and the handle 41a side in the handle chamber 41 and the counter handle are configured to draw a rotation trajectory. 41a side is configured to cut the cereal.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between the pair of concave and convex blade edges 48 and 48 formed in a straight line while alternately repeating a number of convex portions 48a and concave portions 48b in the cutting blade 47 and the tooth 42, the inside of the treatment chamber 41 is provided. The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side. Moreover, since the cutting | disconnection action part of the uneven | corrugated blade edges 48 and 48 was comprised short linearly, durability can be improved. Further, since the concave and convex edge 14 is formed outside the U-shaped cutting blades 47, 47, the flat inner surface of the cutting blades 47, 47 faces the handle teeth 42, and the removal of chips is improved.

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
FIG. 21 is a plan view of the threshing apparatus equipped with the present invention, FIG. 22 is a front view of the same, FIG. 23 is a perspective view of the cutting blade, FIG. 24 is a front view of the cutting blade, and FIG. 26 is a right side view of the cutting blade, FIG. 27 is a rear view of the cutting blade, FIG. 28 is a plan view of the cutting blade, and FIG. 29 is a bottom view of the cutting blade. Since the configuration of the cutting blade 47 is different and the related configuration of the cutting blade 47 and the tooth handling 42 of the handling cylinder 43 is the same as that of the above embodiment, only the difference of the cutting blade 47 will be described.

  A pair of concave and convex blade edges 48, 48 are formed on the edge portions of the cutting blades 47, 47 facing the rotation direction of the tooth-handling 42 from the base portion to the distal end portion so as to be inclined backward. And in the front view along the outer side surface of the plate body of the cutting blade 47, the highest portion of the many convex portions 48a and the lowest portion of the concave portion 48b of the concave and convex blade edges 48, 48 along both outer side surfaces of the cutting blade 47. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 47, a pair of concave and convex blade edges 48 and 48 are alternately formed with a large number of convex portions 48a and concave portions 48b. The concave and convex blade edges 48 are formed on both inner side surfaces of the U-shaped cutting blade 47 so as to form an arc shape that is recessed inwardly.

  A pair of concave and convex blade edges 48 of the cutting blade 47 are arranged so that the tip end portion of the cutting blade 47 enters the rotation trajectory of the tooth handling 42 of the processing drum 43 in the axial direction of the handling drum 43. The handle 42 is configured to pass between 48, and the handle 41 on the side of the handle 41 a in the handling chamber 41 is formed by the handle 42 that draws a rotation trajectory and the arcuate concave and convex blade edges 48 that are recessed inwardly of the cutting blade 47. And the counter-hand 41a side are configured to cut the cereals.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between, a pair of concave and convex blade edges 48 and 48 formed in an arc shape indented inward while alternately repeating a large number of convex portions 48a and concave portions 48b in the cutting blade 47, and the tooth handling 42 The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side in 41. Further, even when the overlap between the cutting blade 47 and the tooth handling 42 is advanced during cutting, the angle change between the tooth handling 42 and the concave and convex blade edges 48 and 48 is small, and a stable cutting action can be secured. Further, since the concave and convex edge 14 is formed on the inner surface of the U-shaped cutting blades 47 and 47, the cutting performance is improved by cutting the scraps while sandwiching the tooth-handling 42 between the left and right concave and convex blade edges 48 and 48. .

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
30 is a plan view of the threshing apparatus comprising the present invention, FIG. 31 is a front view of the same, FIG. 32 is a perspective view of the cutting blade, FIG. 33 is a front view of the cutting blade, and FIG. 35 is a right side view of the cutting blade, FIG. 36 is a rear view of the cutting blade, FIG. 37 is a plan view of the cutting blade, and FIG. 38 is a bottom view of the cutting blade. Since the configuration of the cutting blade 47 is different and the related configuration of the cutting blade 47 and the tooth handling 42 of the handling cylinder 43 is the same as that of the above embodiment, only the difference of the cutting blade 47 will be described.

  A pair of concave and convex blade edges 48, 48 are formed on the edge portions of the cutting blades 47, 47 facing the rotation direction of the tooth-handling 42 from the base portion to the distal end portion so as to be inclined backward. And in the front view along the inner surface of the plate body of the cutting blade 47, the highest portion of the many convex portions 48a and the lowest portion of the concave portion 48b of the concave and convex blade edges 48 and 48 along both inner side surfaces of the cutting blade 47. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 47, a pair of concave and convex blade edges 48 and 48 are alternately formed with a large number of convex portions 48a and concave portions 48b. It is formed so as to have an arc shape that dents inward while being repeated, and concave and convex blade edges 48 are formed on both outer side surfaces of the U-shaped cutting blade 47.

  The distal end portion of the cutting blade 47 is disposed so as to enter the rotation locus of the teeth 42 of the treatment barrel 43 when viewed from the axial direction of the treatment barrel 43, and the pair of concave and convex blade edges 48, 48 of the cutting blade 47. It is configured so that the tooth-handling 42 passes between them, and the tooth-handling 42 that draws a rotation trajectory and the arc-shaped uneven blade edges 48, 48 that dent inside the cutting blade 47, It is configured so that the cereal is cut at the side of the counter-hand 41a.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between, a pair of concave and convex blade edges 48 and 48 formed in an arc shape indented inward while alternately repeating a large number of convex portions 48a and concave portions 48b in the cutting blade 47, and the tooth handling 42 The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side in 41. Further, even when the overlap between the cutting blade 47 and the tooth handling 42 is advanced during cutting, the angle change between the tooth handling 42 and the concave and convex blade edges 48 and 48 is small, and a stable cutting action can be secured. Further, since the concave and convex edge 14 is formed outside the U-shaped cutting blades 47, 47, the flat inner surface of the cutting blades 47, 47 faces the handle teeth 42, and the removal of chips is improved.

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
39 is a plan view of the threshing apparatus comprising the present invention, FIG. 40 is a front view of the same, FIG. 41 is a perspective view of the cutting blade, FIG. 42 is a front view of the cutting blade, and FIG. 43 is a left side view of the cutting blade. 44 is a right side view of the cutting blade, FIG. 45 is a rear view of the cutting blade, FIG. 46 is a plan view of the cutting blade, and FIG. 47 is a bottom view of the cutting blade. Since the configuration of the cutting blade 47 is different and the related configuration of the cutting blade 47 and the tooth handling 42 of the handling cylinder 43 is the same as that of the above embodiment, only the difference of the cutting blade 47 will be described.

  The cutting blades 47,... Raise the blade plate portion upward from the mounting portion 49, and the edge of the blade plate portion facing the rotation direction of the tooth handling 42 is inclined backward from the base portion to the tip portion. A pair of concave and convex blade edges 48 are formed in a shape. And in the front view along the outer side surface of the plate body of the cutting blade 47, the highest portion of the many convex portions 48a and the lowest portion of the concave portion 48b of the concave and convex blade edges 48, 48 along both outer side surfaces of the cutting blade 47. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 47, a pair of concave and convex blade edges 48 and 48 are alternately formed with a large number of convex portions 48a and concave portions 48b. It is formed to have an arc shape that bulges outward while being repeated, and concave and convex blade edges 48 are formed on both inner side surfaces of the U-shaped cutting blade 47.

  The distal end portion of the cutting blade 47 is disposed so as to enter the rotation locus of the teeth 42 of the treatment barrel 43 when viewed from the axial direction of the treatment barrel 43, and the pair of concave and convex blade edges 48, 48 of the cutting blade 47. The handle 42 is configured so that the handle 42 passes between them, and the handle 42 that draws a rotation locus and the arc-shaped uneven blade edges 48, 48 that swell outside the cutting blade 47, and the side of the handle 41 a in the chamber 41. It is configured so that the cereal is cut at the side of the counter-hand 41a.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between, a pair of concavo-convex blade edges 48 and 48 formed in an arc shape that bulges outward while alternately repeating a number of convex portions 48a and concave portions 48b in the cutting blade 47, and the tooth handling 42 The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side in 41. Further, the cuttings that rotate together with the tooth handling 42 are cut while being guided to the base side of the tooth handling 42 by the concave and convex blade edges 48, 48, so that the cutting performance can be improved. Further, since the concave and convex edge 14 is formed on the inner surface of the U-shaped cutting blades 47 and 47, the cutting performance is improved by cutting the scraps while sandwiching the tooth-handling 42 between the left and right concave and convex blade edges 48 and 48. .

Next, another embodiment of the threshing apparatus will be described with reference to FIGS.
48 is a plan view of the threshing apparatus comprising the present invention, FIG. 49 is a front view of the same, FIG. 50 is a perspective view of the cutting blade, FIG. 51 is a front view of the cutting blade, and FIG. 53 is a right side view of the cutting blade, FIG. 54 is a rear view of the cutting blade, FIG. 55 is a plan view of the cutting blade, and FIG. 56 is a bottom view of the cutting blade. Since the configuration of the cutting blade 47 is different and the related configuration of the cutting blade 47 and the tooth handling 42 of the handling cylinder 43 is the same as that of the above embodiment, only the difference of the cutting blade 47 will be described.

  A pair of concave and convex blade edges 48, 48 are formed on the edge portions of the cutting blades 47, 47 facing the rotation direction of the tooth-handling 42 from the base portion to the distal end portion so as to be inclined backward. And in the front view along the inner surface of the plate body of the cutting blade 47, the highest portion of the many convex portions 48a and the lowest portion of the concave portion 48b of the concave and convex blade edges 48 and 48 along both inner side surfaces of the cutting blade 47. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 47, a pair of concave and convex blade edges 48 and 48 are alternately formed with a large number of convex portions 48a and concave portions 48b. It is formed to have an arc shape that bulges outward while being repeated, and concave and convex blade edges 48 are formed on both outer side surfaces of the U-shaped cutting blade 47.

  The distal end portion of the cutting blade 47 is disposed so as to enter the rotation locus of the teeth 42 of the treatment barrel 43 when viewed from the axial direction of the treatment barrel 43, and the pair of concave and convex blade edges 48, 48 of the cutting blade 47. The handle 42 is configured so that the handle 42 passes between them, and the handle 41 that draws a rotation trajectory and the arc-shaped uneven blade edges 48, 48 that swell outside the cutting blade 47, on the side of the handle 41 a in the handling chamber 41. And the counter-hand 41a side are configured to cut the cereals.

  Thus, a pair of concave and convex blade edges 48 and 48 in the U-shaped cutting blade 47 in which the teeth 42 of the rotating handling cylinder 43 are installed on the side of the handling port 41a and the side of the handling port 41a in the handling chamber 41 are provided. When passing between, a pair of concavo-convex blade edges 48 and 48 formed in an arc shape that bulges outward while alternately repeating a number of convex portions 48a and concave portions 48b in the cutting blade 47, and the tooth handling 42 The grain removal is satisfactorily cut at the handling port 41a side and the counter-handing port 41a side in 41. Further, the cuttings that rotate together with the tooth handling 42 are cut while being guided to the base side of the tooth handling 42 by the concave and convex blade edges 48, 48, so that the cutting performance can be improved. Further, since the concave and convex edge 14 is formed outside the U-shaped cutting blades 47, 47, the flat inner surface of the cutting blades 47, 47 faces the handle teeth 42, and the removal of chips is improved.

The cut side view of a threshing apparatus. The cutting top view of a threshing apparatus. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The perspective view of a cutting blade. The front view of a cutting blade. The left view of a cutting blade. The right view of a cutting blade. The rear view of a cutting blade. The top view of a cutting blade. The bottom view of a cutting blade.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Feed chain 2 Handling chamber 3 Handling cylinder 8 Swing sorting shelf 8a Front rocking sorting shelf 8b Rear rocking sorting shelf 11 Kara 11a Top outlet 11
11b Lower outlet 12 Sorting air passage 16 Oscillating arm 19 Grain transfer projection 21 Chaff sheave 22 Strollac 23 Glen sheave 27 Rear oscillating driving wheel 28 Front oscillating driving wheel 28a Eccentric pin 34 Constant speed transmission device

Claims (3)

  The sorting air channel (12) provided along the front-rear direction below the handling chamber (2) is provided with a swing sorting shelf (8) for sorting out cereals from the handling chamber (2). The movable sorting shelf (8) is arranged on the front side of the sorting air passage (12) at the front side of the handling chamber (2), the front swing sorting shelf (8a), and the rear side portion of the sorting air passage (12). The front rocking sorting shelf (8a) is divided into a rear rocking sorting shelf (8b) disposed at the lower rear portion, and the front rocking sorting shelf (8a) has a grain transfer projection (19). The front swing sorting shelf (8a) is provided with a front and rear portion that are relatively large and capable of reciprocating swinging in an upwardly inclined manner. 21), Strollac (22) on the upper rear side and Glen sheave (23) on the lower front side, respectively, and the front side of the rear swing sorting shelf (8b) The threshing apparatus is characterized in that the rear side of the rear swing sorting shelf (8b) is configured to be relatively small and capable of reciprocatingly swinging in a rear upward slope so that it can be reciprocally swung relatively upwardly. Dynamic sorting device.   The upper outlet (11a) of the Kara (11) disposed at the front end of the sorting air passage (12) is connected to the rear end of the front swing sorting shelf (8a) and the rear swing sorting shelf (8b). The sorting wind is sent to the rear side facing the front end, and the lower outlet (11b) of the red pepper (11) is faced to the lower part of the rear swing sorting shelf (8b). The rocking sorter of the threshing apparatus according to claim 1, wherein   2. The front swing sorting shelf (8a) is driven at a rotational speed proportional to the traveling speed of the combine, and the rear swing sorting shelf (8b) is driven at a predetermined rotational speed. A swaying and sorting device for the threshing device according to 1.

Images