JP2006081467A - Threshing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide both threshing teeth and cutting blades of a threshing cylinder to improve threshed material cutting treatment performance. <P>SOLUTION: A threshing apparatus is provided, having the following construction and mechanism: The threshing cylinder 3 is revolvably axially set inside a threshing chamber 1, a pair of convex and concave blade rims 14 and 14 are formed on U-shaped cutting blades 12 set on the upper part of a threshing port 10 side and the upper part of an opposite threshing port 10 side, wherein the pair of convex and concave blade rims 14 and 14 are formed so as to be straight while alternately repeating a number of projections 14a and recesses 14b, and the tips of the cutting blades 12 are arranged by insertion into the rotating track of the threshing teeth 2 of the threshing cylinder 3 when viewed in the axial direction of the threshing cylinder 3 to pass the threshing teeth 2 through a space between the pair of convex and concave blade rims 14 and 14, and a threshed material is subjected to cutting treatment through the action of the upper part of the threshing port 10 side and the upper part of the opposite threshing port 10 side by the threshing teeth 2 drawing the rotating track and the straight convex and concave blade rims 14 and 14. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a threshing apparatus mounted on a combine, a harvester or the like.

In the threshing device, a plurality of recesses are formed along a rotation axis of the handling cylinder on a part of the wall of the handling chamber along the rotation locus of the handling teeth of the handling cylinder, and an opening for attaching a cutting blade to the plurality of recesses It is well-known that a large number of cutting blades are attached to the blade base, and a large number of cutting blades are arranged in a protruding state from the opening into the handling chamber and the blade base is attached to the threshing case (patent) Reference 1).
Japanese Patent Laying-Open No. 2003-274741 (page 3, FIG. 5)

  The cutting blade of the conventional threshing device has a configuration in which an uneven blade edge is formed at the tip of the outer surface of the cutting blade along the inclined grinding surface with respect to the inner surface. There was a problem that the cutting performance of the kind was not good. 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, a handling cylinder 3 is rotatably pivoted in the handling chamber 1, and a U-shaped cutting blade 12 is installed on the handling port 10 side and the counter-handing port 10 side in the handling chamber 1. A pair of concave and convex blade edges 14 and 14 are formed on the cylindrical body, and the pair of concave and convex blade edges 14 and 14 are formed in a straight line while alternately repeating a number of convex portions 14a and concave portions 14b. The tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment barrel 3 when viewed in the axial direction, and the tooth treatment between the pair of concave and convex blade edges 14, 14 of the cutting blade 12 is provided. 2 is configured to pass, and the handle 10 side and the counter-handle 10 side in the handling chamber 1 are defined by the tooth 2 that draws the rotation trajectory and the linear uneven blade edges 14 and 14 of the cutting blade 12. The threshing apparatus such as a combine is characterized in that the threshing is cut and processed.

  According to the said structure, a pair of uneven | corrugated blade edge 14 in the U-shaped cutting blade 12 in which the tooth-handling 2 of the rotating handling cylinder 3 is installed in the handle 10 side and the counter-handle 10 side in the handling chamber 1 is carried out. , 14 is passed through the inside of the handling chamber 1 by the pair of concave and convex blade edges 14 and 14 and the teeth 2 which are formed in a straight line while alternately repeating a number of convex portions 14a and concave portions 14b in the cutting blade 12. The cereals are cut at the side 10 and the side 10 opposite.

  The invention according to claim 2 is a U-shaped cutting blade 12 that is installed on the side of the handling port 10 and the side of the handling port 10 in the handling chamber 1 with the handling cylinder 3 rotatably mounted in the handling chamber 1. A pair of concavo-convex blade edges 14, 14 is formed, and the pair of concavo-convex blade edges 14, 14 is formed in an arc shape that dents inward while alternately repeating a plurality of convex portions 14a and concave portions 14b, The tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment barrel 3 when viewed in the axial direction of the treatment barrel 3, and between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The handle 2 is configured to pass through, and the handle 2 on the side of the handle 10 in the chamber 1 is formed by the handle 2 that draws the rotation trajectory and the arcuate concave and convex blade edges 14 and 14 that dent inside the cutting blade 12. A threshing device such as a combine, wherein the threshing is cut at the counter-hand 10 side. .

  According to the said structure, a pair of uneven | corrugated blade edge 14 in the U-shaped cutting blade 12 in which the tooth-handling 2 of the rotating handling cylinder 3 is installed in the handle 10 side and the counter-handle 10 side in the handling chamber 1 is carried out. , 14, the pair of concave and convex blade edges 14, 14 formed in the shape of an arc that dents inward while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12, and the tooth-handling 2. The cereals are cut at the handling port 10 side and the counter-handing port 10 side in the handling chamber 1.

  According to the invention of claim 3, a U-shaped cutting blade 12 is installed on the side of the handling port 10 and the side of the handling port 10 in the handling chamber 1 with the handling cylinder 3 rotatably mounted in the handling chamber 1. A pair of concavo-convex blade edges 14, 14 is formed, and the pair of concavo-convex blade edges 14, 14 is formed in an arc shape that bulges outward while alternately repeating a plurality of convex portions 14a and concave portions 14b, The tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment barrel 3 when viewed in the axial direction of the treatment barrel 3, and between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The tooth-handling 2 in the chamber 1 is formed by the tooth-handling 2 that draws the rotation trajectory and the arc-shaped uneven blade edges 14, 14 that swell outside the cutting blade 12. Threshing apparatus such as a combine, characterized in that the threshing is cut at the counter-hand 10 side. To.

  According to the said structure, a pair of uneven | corrugated blade edge 14 in the U-shaped cutting blade 12 in which the tooth-handling 2 of the rotating handling cylinder 3 is installed in the handle 10 side and the counter-handle 10 side in the handling chamber 1 is carried out. , 14, and a pair of concave and convex blade edges 14, 14 formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12, and the tooth handling 2. The cereals are cut at the handling port 10 side and the counter-handing port 10 side in the handling chamber 1.

  In the invention of claim 4, a processing cylinder 8 is rotatably mounted in the processing chamber 6, and a pair of concave and convex blade edges 14 and 14 are provided on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. Forming a pair of concave and convex blade edges 14 and 14 so as to form a straight line while alternately repeating a number of convex portions 14a and concave portions 14b, and the processing cylinder 8 is viewed in the axial direction as described above. The tip of the cutting blade 12 is provided so as to enter the rotation locus of the processing tooth 7 of the processing cylinder 8 so that the processing tooth 7 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The threshing in the processing chamber 6 is cut on the upper side in the processing chamber 6 by the processing teeth 7 that draw the rotation trajectory and the linear uneven edges 14 and 14 of the cutting blade 12. A threshing device such as a combine harvester.

  According to the above configuration, when the processing teeth 7 of the rotating processing cylinder 8 pass between the pair of concave and convex blade edges 14, 14 of the U-shaped cutting blade 12 installed on the upper side in the processing chamber 6, the cutting blade 12, the grain removal is cut at the upper side in the processing chamber 6 by the concave and convex blade edges 14 and 14 and the processing teeth 7 which are formed in a straight line while alternately repeating a number of convex portions 14a and concave portions 14b.

  According to the fifth aspect of the present invention, a processing cylinder 8 is rotatably pivoted in the processing chamber 6, and a pair of concave and convex blade edges 14, 14 are provided on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The pair of concavo-convex blade edges 14 and 14 are formed so as to have an arc shape that is recessed inward while alternately repeating a number of convex portions 14a and concave portions 14b, and the axial direction of the processing cylinder 8 is formed. When viewed, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the processing tooth 7 of the processing cylinder 8, and the processing tooth 7 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The processing teeth 7 for drawing the rotation trajectory, and the concave and convex blade edges 14 and 14 formed in an arc shape that dents inward while alternately repeating a number of convex portions 14a and concave portions 14b in the cutting blade 12. It was configured to cut the threshing grain at the upper side in the processing chamber 6. The threshing apparatus combine such features and.

  According to the above configuration, when the processing teeth 7 of the rotating processing cylinder 8 pass between the pair of concave and convex blade edges 14, 14 of the U-shaped cutting blade 12 installed on the upper side in the processing chamber 6, the cutting blade 12 is formed by the concave and convex cutting edges 14 and 14 and the processing teeth 7 which are formed in a circular arc shape indented while alternately repeating a large number of convex portions 14a and concave portions 14b. Is done.

  According to the sixth aspect of the present invention, a processing cylinder 8 is rotatably mounted in the processing chamber 6, and a pair of concave and convex blade edges 14, 14 are provided on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The pair of concave and convex blade edges 14 and 14 are formed so as to form an arc shape that bulges outward while alternately repeating a number of convex portions 14a and concave portions 14b, and the axial direction of the processing cylinder 8 is formed. When viewed, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the processing tooth 7 of the processing cylinder 8, and the processing tooth 7 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. Constructed as described above, and the processing teeth 7 that draw the rotation trajectory, and the concave and convex blade edges 14 and 14 formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14a and concave portions 14b in the cutting blade 12. Constructed to cut threshing at the upper side of the processing chamber 6 The threshing apparatus Combine like, characterized in that the.

  According to the above configuration, when the processing teeth 7 of the rotating processing cylinder 8 pass between the pair of concave and convex blade edges 14, 14 of the U-shaped cutting blade 12 installed on the upper side in the processing chamber 6, the cutting blade 12 is formed by the concave and convex cutting edges 14 and 14 and the processing teeth 7 which are formed in an arc shape that bulges outward while alternately repeating a large number of convex portions 14a and concave portions 14b. Is done.

  According to the first aspect of the present invention, a large number of convex portions 14a and concave portions 14b in a U-shaped cutting blade 12 installed on the side of the handling port 10 and the side of the handling port 10 in the handling chamber 1 are linearly repeated. The concavo-convex cutting edges 14 and 14 formed on the cutting edge 2 and the tooth-handling 2 that draws the rotation trajectory can be satisfactorily cut, and the cutting action portions of the concave and convex cutting edges 14 and 14 are shortened to improve durability. be able to.

  In the invention of claim 2, the convex portion 14a and the concave portion 14b of the U-shaped cutting blade 12 installed on the side of the handling port 10 and the side of the handling port 10 in the handling chamber 1 are alternately repeated on the inside. The grain removal is satisfactorily cut by the concave and convex blade edges 14 and 14 formed in a concave arc shape and the tooth-handling 2 that draws the rotation trajectory, and the overlap between the blade 12 and the tooth-handling 2 proceeds during cutting. However, there is little change in the angle between the tooth handling teeth 2 and the concave and convex blade edges 14 and 14, and a stable cutting action can be secured.

  In the invention of claim 3, the convex portion 14a and the concave portion 14b of the U-shaped cutting blade 12 installed on the side of the handling port 10 and the side of the handling port 10 in the handling chamber 1 are alternately repeated to the outside. The threshing is satisfactorily cut by the concavo-convex edge 14, 14 formed in a bulging arc shape and the tooth-handling 2 that draws the rotation trajectory. , 14 are cut while being guided to the base side of the tooth-treating tooth 2 and the cutting performance can be improved.

  The invention according to claim 4 is an uneven blade edge 14 formed in a straight line while alternately repeating a number of convex portions 14a and concave portions 14b in a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. 14 and the processing teeth 7 that draw the rotation trajectory, the grain removal is satisfactorily cut, and the cutting action portion can be shortened to improve the durability.

  The invention according to claim 5 is a concave-convex blade formed in an arc shape that dents inward while alternately repeating a number of convex portions 14a and concave portions 14b in a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The threshing is satisfactorily cut by the edges 14 and 14 and the processing teeth 7 that draw the rotation locus, and even if the overlap between the cutting blade 12 and the processing teeth 7 progresses at the time of cutting, the processing teeth 7 and the uneven edge 14, The angle change with respect to 14 is small, and a stable cutting action can be secured.

  The invention according to claim 6 is an uneven blade formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14 a and concave portions 14 b in a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The threshing is satisfactorily cut by the edges 14 and 14 and the processing teeth 7 that draw the rotation trajectory, and the scraps rotating together with the processing teeth 7 are moved to the base side of the processing teeth 7 by the concave and convex blade edges 14 and 14. It is cut while being guided, and cutting performance can be improved.

  A first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a plan view of a threshing apparatus equipped with the present invention, FIG. 2 is a front view of cutting, FIG. 3 is a front view of the main part, FIG. 4 is a perspective view of a cutting blade for a threshing machine, and FIGS. Left and right side views of the cutting blade for the threshing machine, FIGS. 7 and 8 are a front view and a rear view of the cutting blade for the threshing machine, and FIGS. 9 and 10 are a plan view and a bottom view of the cutting blade for the threshing machine. is there.

  This threshing device includes a handling barrel 3 with tooth handling teeth 2,... Pivoted in the handling chamber 1, a receiving net 4 provided so as to cover a lower outer periphery of the handling barrel 3, and the side of the handling chamber 1. A front treatment chamber 6 for treating the second reduction product provided, a treatment cylinder 8 with treatment teeth 7 pivoted in the front treatment chamber 6, and a treatment covering the lower outer periphery of the treatment cylinder 8 A net S, a rear processing chamber 6 for processing dust in the handling chamber provided on the rear side of the front processing chamber 6, and a helical processing tooth 7 a that is pivoted in the rear processing chamber 6. The processing cylinder 8, the feed chain 9, the exhaust chain 11, the dust exhaust fan F, etc. are comprised.

  The upper part of the feed chain 9 on the side of the handling port 10 of the handling chamber 1 and the upper part of the receiving net 4 on the side of the counter-handing port 10 of the handling chamber 1 are positioned on both the left and right sides of the rotating handling cylinder 3. U-shaped cutting blades 12 are disposed. A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2.

  And in the front view along the side surface of the plate body of the cutting blade 12, the highest portion of the multiple convex portions 14a and the lowest portion of the concave portion 14b of the pair of concave and convex blade edges 14, 14 along the outer surface of the cutting blade 12. Are formed in a straight line while alternately repeating, and in a side view orthogonal to the plate body of the cutting blade 12, a plurality of convex parts 14a and concave parts 14b are formed in a straight line while being alternately repeated. The concave and convex blade edges 14 are formed on the inner surface of the U-shaped cutting blade 12. A mounting screw member B is provided on the mounting portion 13 of the cutting blade 12 base.

  The tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The handle 2 is configured to pass through, and the handle 12 on the side of the handle 1 and the counter-handle 10 in the handling chamber 1 are constituted by the handle 2 that draws a rotation trajectory and the linear uneven edges 14 and 14 of the cutting blade 12. It is configured to cut threshing on the side.

  Further, the cutting blades 12 on the upper side of the handling port 10 and the upper side on the side of the counter-handing port 10 are arranged in a staggered pattern in the axial direction of the handling cylinder 3 in a plan view, and any of the handling teeth 2,. The cutting blade 12 is configured to pass between the concavo-convex blade edges 14 and 14 so as to improve the cutting performance of the sawdust and reduce the horsepower loss.

  In addition, the cutting blades 12 on the side of the handle 10 and the upper side of the counter handle 10 are arranged in the same phase in the axial direction of the handle 3 in plan view, and the same tooth 2 is connected to the upper part of the handle 10 and You may comprise so that it may pass between the uneven | corrugated blade edges 14 and 14 of the cutting blades 12 ... of the upper side of the counter-handing mouth 10. By comprising in this way, the cutting performance of sawdust can be improved and the horsepower loss can be reduced.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. When passing between the pair of concave and convex blade edges 14 and 14 and the teeth 2 which are formed in a straight line while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12, The cereal removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side. Moreover, since the cutting | disconnection effect | action part of the uneven | corrugated edge 14 and 14 was shortened, durability can be improved. In addition, since the concave and convex edge 14 is formed on the inner surface of the U-shaped cutting blades 12 and 12, the sawdust is cut while sandwiching the tooth handle 2 between the right and left concave and convex blade edges 14 and 14, so that the cutting performance is high. improves.

  The threshing thus threshed is sorted by a swing sorting shelf below the handling chamber 1, and the refined grains are collected by the first spiral (not shown) and put into a glen tank or a hopper (not shown). . In addition, the second item collected by the second spiral (not shown) arranged on the rear side of the first spiral is thrown into the rear part of the front processing chamber 6 by the second lifting cylinder (not shown) and processed. The processed material that is processed while being sent forward by the rotation of the cylinder 8 and does not leak from the processing net S falls from the front opening of the processing chamber 6 onto the lower swing shelf. In addition, the dust generated in the handling chamber 1 is taken over from the rear communication port of the handling chamber 1 to the rear processing chamber 6 and processed while being sent backward by the rotation of the processing cylinder 8.

  Next, a second embodiment will be described with reference to FIGS. FIG. 11 is a cutting plan view of a threshing apparatus equipped with the present invention, FIG. 12 is a front view of cutting, FIG. 13 is a front view of essential parts, FIG. 14 is a perspective view of a cutting blade for a threshing machine, and FIGS. Left and right side views of the cutting blade for the threshing machine, FIGS. 17 and 18 are a front view and a rear view of the cutting blade for the threshing machine, and FIGS. 19 and 20 are a plan view and a bottom view of the cutting blade for the threshing machine. is there. Since the configuration of the cutting blade 12 is different and the other configuration is the same as that of the first embodiment, only the difference of the cutting blade 12 will be described.

  A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2. And in the front view along the inner surface of the plate body of the cutting blade 12, the highest part of the many convex portions 14a of the pair of concave and convex blade edges 14 and 14 and the highest portion of the concave portion 14b along both inner surface of the cutting blade 12. A plurality of convex portions 14 a and concave portions 14 b of the pair of concave and convex blade edges 14, 14 are formed in a side view orthogonal to the plate body of the cutting blade 12 by alternately repeating the lower portions. It forms so that it may become linear, repeating alternately, and the uneven | corrugated edge 14 and 14 is comprised in the outer surface of the U-shaped cutting blade 12. FIG.

  The tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. The handle 2 is configured to pass through, and the handle 12 on the side of the handle 1 and the counter-handle 10 in the handling chamber 1 are constituted by the handle 2 that draws a rotation trajectory and the linear uneven edges 14 and 14 of the cutting blade 12. It is configured to cut threshing on the side.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. When passing between the pair of concave and convex blade edges 14 and 14 and the teeth 2 which are formed in a straight line while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12, The cereal removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side. Moreover, since the cutting | disconnection effect | action part of the uneven | corrugated edge 14 and 14 was shortened, durability can be improved. Further, since the concave and convex edge 14 is formed outside the U-shaped cutting blades 12 and 12, the flat inner surface of the cutting blades 12 and 12 faces the tooth 2 and the removal of chips is improved.

  Next, a third embodiment will be described with reference to FIGS. FIG. 21 is a cutting plan view of a threshing apparatus provided with the present invention, FIG. 22 is a front view of cutting, FIG. 23 is a front view of essential parts, FIG. 24 is a perspective view of a cutting blade for a threshing machine, and FIGS. 27 and 28 are a front view and a rear view of a cutting blade for a threshing machine, and FIGS. 29 and 30 are a plan view and a bottom view of the cutting blade for a threshing machine. is there. Since the configuration of the cutting blade 12 is different and the other configuration is the same as that of the first embodiment, the differences of the cutting blade 12 will be described.

  A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2. And in the front view along the outer surface of the plate body of the cutting blade 12, the highest portion of the many convex portions 14a and the lowest portion of the concave portion 14b of the concave and convex blade edges 14 and 14 along both outer surfaces of the cutting blade 12. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 12, a pair of concave and convex blade edges 14 and 14 are alternately formed with a large number of convex portions 14a and concave portions 14b. The concave and convex blade edges 14 and 14 are formed on both inner side surfaces of the U-shaped cutting blade 12 so as to form an arc shape that dents inwardly while being repeated.

  Then, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and the gap between the pair of concave and convex blade edges 14, 14 of the cutting blade 12 is provided. The tooth-handling 2 is configured to pass through, and the tooth-handling 2 that draws a rotation trajectory and the arc-shaped concave and convex blade edges 14 and 14 that dent into the inside of the cutting blade 12 are counteracted with the side of the mouthpiece 10 in the handling chamber 1. The cereal is cut off at the mouth 10 side.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. Are passed between the pair of concavo-convex blade edges 14 and 14 formed in an arcuate shape that dents inward while alternately repeating a number of convex portions 14a and concave portions 14b of the cutting blade 12, and the handle 2 The cereal removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side in the chamber 1. In addition, even when the overlap between the cutting blade 12 and the tooth handling 2 progresses during cutting, the angle change between the tooth handling 2 and the concave and convex blade edges 14 and 14 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 12 and 12, the cutting performance is improved by cutting the scraps while sandwiching the tooth handle 2 between the right and left concave and convex blade edges 14 and 14. .

  Next, a fourth embodiment will be described with reference to FIGS. 31 is a plan view of a threshing apparatus equipped with the present invention, FIG. 32 is a front view of the cutting, FIG. 33 is a front view of the main part, FIG. 34 is a perspective view of a cutting blade for a threshing machine, and FIGS. Left and right side views of the cutting blade for the threshing machine, FIGS. 37 and 38 are a front view and a rear view of the cutting blade for the threshing machine, and FIGS. 39 and 40 are a plan view and a bottom view of the cutting blade for the threshing machine. is there. Since the configuration of the cutting blade 12 is different and the other configurations are the same as those of the first embodiment, the differences of the cutting blade 12 will be described.

  A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2. And in the front view along the inner surface of the plate body of the cutting blade 12, the highest portion of the numerous convex portions 14a and the lowest portion of the concave portion 14b of the concave and convex blade edges 14 and 14 along both inner side surfaces of the cutting blade 12. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 12, a pair of concave and convex blade edges 14 and 14 are alternately formed with a large number of convex portions 14a and concave portions 14b. The concave and convex blade edges 14 are formed on both outer side surfaces of the U-shaped cutting blade 12 so as to form an arc shape that dents inwardly while being repeated.

  Then, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and the gap between the pair of concave and convex blade edges 14, 14 of the cutting blade 12 is provided. The tooth-handling 2 is configured to pass through, and the tooth-handling 2 that draws a rotation trajectory and the arc-shaped concave and convex blade edges 14 and 14 that dent into the inside of the cutting blade 12 are counteracted with the side of the mouthpiece 10 in the handling chamber 1. The cereal is cut off at the mouth 10 side.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. When passing between the pair of concave and convex blade edges 14 and 14 and the tooth-treating teeth 2 formed in an arc shape indented inward while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12, The grain removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side in 1. In addition, even when the overlap between the cutting blade 12 and the tooth handling 2 progresses during cutting, the angle change between the tooth handling 2 and the concave and convex blade edges 14 and 14 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 12 and 12, the flat inner surface of the cutting blades 12 and 12 faces the tooth 2 and the removal of chips is improved.

  Next, a fifth embodiment will be described with reference to FIGS. FIG. 41 is a plan view of a threshing apparatus provided with the present invention, FIG. 42 is a front view of cutting, FIG. 43 is a front view of the main part, FIG. 44 is a perspective view of a cutting blade for a threshing machine, and FIGS. Left and right side views of the cutting blade for the threshing machine, FIGS. 47 and 48 are a front view and a rear view of the cutting blade for the threshing machine, and FIGS. 49 and 50 are a plan view and a bottom view of the cutting blade for the threshing machine. is there. Since the configuration of the cutting blade 12 is different and the other configurations are the same as those of the first embodiment, the differences of the cutting blade 12 will be described.

  A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2. And in the front view along the outer surface of the plate body of the cutting blade 12, the highest portion of the many convex portions 14a and the lowest portion of the concave portion 14b of the concave and convex blade edges 14 and 14 along both outer surfaces of the cutting blade 12. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 12, a pair of concave and convex blade edges 14 and 14 are alternately formed with a large number of convex portions 14a and concave portions 14b. The concave and convex blade edges 14 are formed on both inner side surfaces of the U-shaped cutting blade 12 so as to form an arc shape that bulges outward while being repeated.

  Then, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and the gap between the pair of concave and convex blade edges 14, 14 of the cutting blade 12 is provided. The tooth-handling 2 is configured to pass through, and the tooth-handling 2 that draws a rotation trajectory and the arc-shaped uneven blade edges 14 and 14 that swell outward from the cutting blade 12 are counteracted with the mouthpiece 10 side in the handling chamber 1. The cereal is cut off at the mouth 10 side.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. When passing between the pair of concave and convex blade edges 14 and 14 formed in an arc shape that bulges outward while alternately repeating a large number of convex portions 14a and concave portions 14b in the cutting blade 12, the handling chamber 2 The grain removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side in 1. Further, the cuttings that rotate together with the tooth-handling 2 are cut while being guided to the base side of the tooth-handling 2 by the concave and convex blade edges 14, 14, thereby improving the cutting performance. Further, since the concave and convex edge 14 is formed on the inner surface of the U-shaped cutting blades 12 and 12, the cutting performance is improved by cutting the scraps while sandwiching the tooth handle 2 between the right and left concave and convex blade edges 14 and 14. .

  Next, a sixth embodiment will be described with reference to FIGS. 51 is a cut plan view of a threshing apparatus comprising the present invention, FIG. 52 is a cut front view, FIG. 53 is a front view of the main part, FIG. 54 is a perspective view of a cutting blade for a threshing machine, and FIGS. Left and right side views of the cutting blade for the threshing machine, FIGS. 57 and 58 are a front view and a rear view of the cutting blade for the threshing machine, and FIGS. 59 and 60 are a plan view and a bottom view of the cutting blade for the threshing machine. is there. Since the configuration of the cutting blade 12 is different and the other configurations are the same as those of the first embodiment, the differences of the cutting blade 12 will be described.

  A pair of concave and convex blade edges 14 and 14 are formed from the base portion to the distal end portion at the edge portions of the cutting blades 12 and 12 that face each other in the rotation direction of the tooth treatment 2. And in the front view along the inner surface of the plate body of the cutting blade 12, the highest portion of the numerous convex portions 14a and the lowest portion of the concave portion 14b of the concave and convex blade edges 14 and 14 along both inner side surfaces of the cutting blade 12. Are alternately formed to form a straight line, and in a side view perpendicular to the plate body of the cutting blade 12, a pair of concave and convex blade edges 14 and 14 are alternately formed with a large number of convex portions 14a and concave portions 14b. The concave and convex blade edges 14 are formed on both outer surfaces of the U-shaped cutting blade 12 so as to form an arc shape that bulges outward while repeating.

  Then, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the teeth 2 of the treatment barrel 3 when viewed from the axial direction of the treatment barrel 3, and the gap between the pair of concave and convex blade edges 14, 14 of the cutting blade 12 is provided. The tooth-handling 2 is configured to pass through, and the tooth-handling 2 that draws a rotation trajectory and the arc-shaped uneven blade edges 14 and 14 that swell outward from the cutting blade 12 are counteracted with the mouthpiece 10 side in the handling chamber 1. The cereal is cut off at the mouth 10 side.

  Thus, the pair of concave and convex blade edges 14 and 14 in the U-shaped cutting blade 12 in which the tooth 2 of the rotating barrel 3 is installed on the side of the handling port 10 and the side of the counter-hand 10 in the handling chamber 1. Are passed between the pair of concave and convex blade edges 14 and 14 and the teeth 2 that are formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12. The cereal removal is satisfactorily cut at the handling port 10 side and the counter-handing port 10 side in the chamber 1. Further, the cuttings that rotate together with the tooth-handling 2 are cut while being guided to the base side of the tooth-handling 2 by the concave and convex blade edges 14, 14, thereby improving the cutting performance. Further, since the concave and convex edge 14 is formed outside the U-shaped cutting blades 12 and 12, the flat inner surface of the cutting blades 12 and 12 faces the tooth 2 and the removal of chips is improved.

  Next, a seventh embodiment will be described with reference to FIGS. In this embodiment, the processing chamber 6 is provided with a cutting blade 12. FIG. 61 is a plan view of the threshing apparatus provided with the present invention, FIG. 62 is a cut front view of the threshing apparatus, and FIG. FIG.

  A processing cylinder 8 is rotatably pivoted in a processing chamber 6 for dust disposal into which sawdust is fed from the rear part of the processing chamber 1, and a U-shaped cutting blade 12 is arranged on the upper side in the processing chamber 6. The cutting blade 12 is configured as shown in FIGS. The distal end portion of the cutting blade 12 is inserted into the rotation locus of the processing tooth 7 of the processing cylinder 8 when viewed in the axial direction of the processing cylinder 8, and the processing tooth is formed between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. 7 is configured to pass, and the threshing is configured to be cut on the upper side in the processing chamber 6 by the processing teeth 7 that draw the rotation trajectory and the linear uneven blade edges 14 and 14 of the cutting blade 12. ing. K is a lattice-like member that forms a dust outlet.

  Thus, when the processing teeth 7 of the rotating processing cylinder 8 pass between the pair of concave and convex blade edges 14 and 14 of the U-shaped cutting blade 12 installed on the upper side in the processing chamber 6, The grain removal is satisfactorily cut at the upper side in the processing chamber 6 by the concave and convex blade edges 14 and 14 and the processing teeth 7 which are formed in a straight line while alternately repeating a large number of convex portions 14a and concave portions 14b. Moreover, since the cutting action part is shortened, durability can be improved.

  The eighth embodiment is constructed as shown in FIGS. FIG. 64 is a cut plan view of a threshing apparatus provided with the present invention, FIG. 65 is a cut front view of the threshing apparatus, and FIG. In this embodiment, the cutting blade 12 shown in FIGS. 14 to 20 is employed instead of the cutting blade 12 of the seventh embodiment, and the same effect is obtained.

  Moreover, it replaces with the cutting blade 12 of the said 7th Example, the cutting blade shown in the said FIGS. 24-30, the cutting blade shown in FIGS. 34-40, the cutting blade shown in FIGS. 44-50, FIGS. The cutting blade shown in 60 may be selected.

  Next, a ninth embodiment will be described with reference to FIGS. In this embodiment, the processing chamber 6 is provided with a cutting blade 12. FIG. 67 is a plan view of the threshing apparatus equipped with the present invention, FIG. 68 is a cut front view of the threshing apparatus, and FIG. FIG.

  A processing chamber 6 for second processing is provided on the side of the processing chamber 1, and a processing cylinder 8 for second processing is rotatably mounted on the processing chamber 6 for second processing. The selected second product is returned to the rear part of the processing chamber 6 via a second cerealing machine (not shown) and processed while being transferred forward by the rotation of the processing cylinder 8. On the upper side, U-shaped cutting blades 12 are arranged on the handling chamber 1 side and the counter-handling chamber 1 side in a plan view, and the cutting blades 12 are configured as shown in FIGS. Note that the cutting blade 12 may be disposed only on either the handling chamber 1 side or the counter-handling chamber 1 side on the upper side in the processing chamber 6.

  The distal end portion of the cutting blade 12 is inserted into the rotation locus of the processing tooth 7 of the processing cylinder 8 when viewed in the axial direction of the processing cylinder 8, and the processing tooth is formed between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. 7 is configured to pass, and the threshing is configured to be cut on the upper side in the processing chamber 6 by the processing teeth 7 that draw the rotation trajectory and the linear uneven blade edges 14 and 14 of the cutting blade 12. ing.

  Thus, when the processing teeth 7 of the rotating processing cylinder 8 pass between the pair of concave and convex blade edges 14 and 14 of the U-shaped cutting blade 12 installed on the upper side in the processing chamber 6, The grain removal is satisfactorily cut at the upper side in the processing chamber 6 by the concave and convex blade edges 14 and 14 and the processing teeth 7 which are formed in a straight line while alternately repeating a large number of convex portions 14a and concave portions 14b. Moreover, since the cutting action part is shortened, durability can be improved.

  The tenth embodiment is configured as shown in FIGS. FIG. 70 is a cut plan view of a threshing apparatus provided with the present invention, FIG. 71 is a cut front view of the threshing apparatus, and FIG. 72 is a front view of the processing chamber 6. In this embodiment, instead of the cutting blade 12 of the ninth embodiment, the cutting blade 12 provided with the concave and convex blade edges 14 and 14 on both outer sides shown in FIGS. 14 to 20 is adopted, and the same effect is achieved. is there.

  Further, instead of the cutting blade 12 of the ninth embodiment, the cutting blade shown in FIGS. 24 to 30, the cutting blade shown in FIGS. 34 to 40, the cutting blade shown in FIGS. 44 to 50, and FIGS. The cutting blade shown in 60 may be selected.

An eleventh embodiment of the threshing apparatus will be described in detail with reference to FIG.
In the threshing apparatus of the eleventh embodiment, the configuration of the cutting blade 12 mounted on the threshing apparatus of the first embodiment described above is mounted, but the threshing of the second to tenth embodiments described above. You may mount the structure of the cutting blade 12 mounted in the apparatus in the threshing apparatus of 11th Example. Further, the flow of threshing in the threshing apparatus of the eleventh embodiment described in FIG. 73 and the flow of threshing in the threshing apparatuses of the first to tenth embodiments described above are basically the same.

FIG. 73 is a sectional side view of the threshing apparatus.
In the threshing device, a handling chamber 1 having a handling cylinder 3 having a receiving net 4 pivoted by a handling cylinder shaft, and a processed material from the rear of the handling chamber 1 is received and processed on one side of the handling chamber 1 A rear processing chamber 6 is provided in which a rear processing cylinder 8 having a processing net S (which may be a net or a lattice) is mounted on a processing cylinder shaft. A swing sorting shelf 15 is provided below the handling chamber 1 and the processing chamber 6 on the rear side.

  Further, in front of the rear processing cylinder 8, a front processing cylinder 8 for processing the second reduction product and a processing net S covering the lower outer periphery of the front processing cylinder 8 (a net or lattice-like one may be used. ) Is formed. The front processing cylinder 8 is one side of the handling cylinder 3 in this embodiment, and is integrally formed with the rear processing cylinder 8 in front of the rear processing cylinder 8. The front processing cylinder 8 basically processes the second item. The front processing cylinder 8 and the rear processing cylinder 8 are supported by a processing cylinder shaft 16. That is, the rear processing cylinder 8 and the front processing cylinder 8 are integrally supported by the processing cylinder shaft 16.

  Also, as shown in the cut front view of the front processing cylinder portion of the threshing apparatus of FIG. 74, the threshing that has leaked from the receiving net 4 is taken into the front processing chamber 6, so the front processing cylinder In addition to the second item 8, the threshing that has entered from the inside of the handling chamber 1 is also processed together.

  Below the handling chamber 1, the front processing chamber 6, and the rear processing chamber 6, a swing sorting shelf 15 for receiving and sorting the falling cereals is installed. Is provided with a tang 17 on the start side of the sorting air feed direction, and an air passage 18 and an air passage 19 are provided on the lower side of the sorting air sent from the tang 17 in the feeding direction. A first spiral 20 is provided on the lower side of the air duct 18 and the air passage 19, and a second spiral 21 is provided on the lower side of the first spiral 20 in the sorting wind feed direction. There is provided a second cereal cylinder 22 for cerealing the second thing collected by the second spiral 21 to the processing chamber 6 on the front side.

  A configuration of the swing sorting shelf 15 will be described. The swing sorting shelf 15 includes a transfer shelf 15a for transferring the fallen cereals backward, a grain sheave 15b for sorting the cereals, a chaff sheave 15c for sorting the second thing, and dust. It is composed of a Strollac 15d that loosens the shells and collects the scorpion grains, and also transfers and discharges the dust. Below the Strollac 15d is composed of a second shelf tip 21a for guiding the second item into the second spiral 21, and the rear processing cylinder 8 is located near the end of the second shelf tip 21a. This is an extended configuration. The dust exhaust fan F (cross flow fan) is for discharging light dust in the sorting chamber 24 to the outside of the apparatus, and is provided on the left side of the processing cylinder 8 on the rear side and above the strola rack 15d. It is the composition which is. The grain sheave 15b is basically located above the first spiral 20, and the chaff sheave 15c is basically located above the second spiral 21.

  The cereals thrown into the threshing apparatus are threshed by the interaction between the tooth handling 2 of the barrel 3 and the receiving net 4 while being conveyed rearward by the feed chain 9. Part of the threshed threshing falls on the swing sorting shelf 15 and is sorted by the swinging action of the swing sorting shelf 15 and the wind sorting action from the Kara 17 and taken into the first spiral 20. Accordingly, the sized particles taken into the first helix 20 are configured to be temporarily stored in a Glen tank or a hopper. In a combine equipped with such a threshing device, the waste after threshing is transferred from the end portion of the feed chain 9 to the start end portion of the waste chain 11 and then transferred to a cutter (not shown). It is configured to be sent to the lower field and discharged onto the lower field.

  The remaining threshing in the handling chamber 1 is conveyed rearward, but a part of the threshing is taken into the processing chamber 6 on the front side. The threshing taken into the front processing chamber 6 is threshed by the interaction between the front processing cylinder 8 and the processing net S while being transported to the upper side in the sorting wind feed direction (particularly, branch raft grains are processed). And falls on the lower swing sorting shelf 15.

  The handling cylinder 3, the front processing cylinder 8, and the rear processing cylinder 8 are all configured to rotate clockwise in a situation where the lower side is viewed from the upper side in the sorting wind feed direction. Therefore, the direction of the processing teeth 25 of the front processing cylinder 8 is fixed in such a direction as to send the cereals in the upper direction of the sorting wind feed direction.

  That is, the processing teeth 25 have an action of conveying the cereal to the upper side in the sorting wind feed direction, and further have an action of processing the cereal. That is, the processing tooth 25 is a part of a spiral, and is configured to process threshing by the interaction between the circumferential tip and the processing net S. The blades 26 provided at the conveyance end portion of the front processing cylinder 8 forcibly send out the cereals onto the swing sorting shelf 15.

  The treatment teeth 27 at the start end of the rear treatment cylinder 8 need to be fixed in such a direction as to send the cereal from the rear part of the handling chamber 1 in the lower direction of the sorting air feed direction. In the present embodiment, the processing teeth 27 are part of a spiral shape that is wound around the outer peripheral surface of the rear processing cylinder 8.

  In this embodiment, since the mesh of the processing cylinder 8 on the rear side is rough (lattice shape), some short sawdust falls on the swing sorting shelf 15 and long sawdust that has not fallen. It is transported to the end portion of the rear processing chamber 6 and is forcibly discharged onto the Strolac 15 d by the blade 28 at the end portion of the rear processing cylinder 8. While the cereal is conveyed in the rear processing chamber 6 in this way, the rear processing cylinder 8, the processing teeth 29 provided on the rear processing cylinder 8, and the processing net S are provided. As a result of the interaction, the threshing is further loosened and the threshing is loosened and the grains (so-called scorpion grains) mixed therein are taken out and fall onto the lower swing sorting shelf 15, and the second spiral 21 It is configured to be collected inside.

  As described above, the remaining threshing that has not fallen on the swing sorting shelf 15 and has not been taken into the processing chamber 6 on the front side due to the cerealing in the handling chamber 1 reaches the end of the handling chamber 1. Be transported. The threshing that has been transported to the end of the handling chamber 1 is taken into the processing chamber 6 on the rear side, and the taken-out threshing is transported to the lower side in the sorting wind feed direction.

Of the threshing that has been transported to the end of the handling chamber 1, the threshing that has not been taken into the processing chamber 6 on the rear side falls on the swing sorting shelf 15 below. .
As described above, when the cereal is sent from the terminal end in the handling chamber 1 to the processing chamber 6 on the rear side, the cereal is not clogged so that the cereal is not clogged. In addition, since the processing teeth 27 that are part of the spiral shape are provided on the outer periphery of the rear processing cylinder 8, the feeding portion of the processing teeth 27 is configured to prevent clogging of the inherited portion.

  Despite the swinging action of the swinging sorting shelf 15 and the action of the sorting wind from the tang 17, the remaining grains that have not been taken into the No. 1 spiral 20 are further removed together with other dusts. It is sent backward and taken into the second spiral 21. The second product taken into the second helix 21 is reduced to the lower side in the sorting air feed direction of the front processing chamber 6 by the second lifting cylinder 22 and merged with the cereal from the handling chamber 1. Then, while being transported to the upper side of the sorting wind feed direction, it is transported while being threshed by the interaction with the processing net S, and falls onto the lower swing sorting shelf 15 by the blades 26 at the end portion. It is a configuration.

The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a treatment room. The perspective view of the cutting blade for threshing machines. The right view of the cutting blade for threshers. The left view of the cutting blade for threshing machines. The front view of the cutting blade for threshers. The rear view of the cutting blade for threshing machines. The top view of the cutting blade for threshers. The bottom view of the cutting blade for threshers. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a processing chamber. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a processing chamber. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a processing chamber. The cutting top view of a threshing apparatus. The cutting front view of a threshing apparatus. The enlarged front view of a processing chamber. The cut side view of a threshing apparatus. The cutting front view in the processing cylinder part of the front side of a threshing apparatus.

Explanation of symbols

B Screw member F Dust exhaust fan K Lattice-shaped member S Processing net 1 Handling chamber 2 Handling tooth 3 Handling cylinder 4 Receiving net 6 Processing chamber 7 Processing tooth 8 Processing cylinder 9 Feed chain 10 Handling port 11 Exhaust chain 12 Cutting blade 13 Installation Part 14 Concave edge 14a Convex part 14b Concave part 15 Oscillating sorting shelf 15a Transfer shelf 15b Glen sheave 15c Chaff sheave 15d Strolac 16 Processing cylinder shaft 17 Kara 18 Air passage 19 Air passage 20 No. 1 spiral 21 No. 2 spiral 21a No. 2 shelf tip 22 No. 2 cereal cylinder 24 Sorting chamber 25 Processing teeth 26 Blade 27 Processing teeth 28 Blade 29 Processing teeth

Claims (6)

  A handling cylinder 3 is rotatably pivoted in the handling chamber 1, and a pair of concavo-convex blade edges 14 are formed on a U-shaped cutting blade 12 installed on the handling port 10 side and the counter-handing port 10 side in the handling chamber 1. , 14 is formed, and the pair of concave and convex blade edges 14 are formed in a straight line while alternately repeating a number of convex portions 14a and concave portions 14b, and the axis of the handling cylinder 3 is viewed in the axial direction. The tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment drum 3 so that the tooth treatment 2 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. Then, the grain removal is cut at the handling port 10 side and the counter-handing port 10 side in the handling chamber 1 by the tooth handling teeth 2 that draw the rotation trajectory and the linear uneven edge edges 14 and 14 of the cutting blade 12. A threshing apparatus such as a combine, which is configured as described above.   A handling cylinder 3 is rotatably pivoted in the handling chamber 1, and a pair of concavo-convex blade edges 14 are formed on a U-shaped cutting blade 12 installed on the handling port 10 side and the counter-handing port 10 side in the handling chamber 1. , 14 is formed, and the pair of concave and convex blade edges 14 are formed in an arc shape that is recessed inward while alternately repeating a number of convex portions 14a and concave portions 14b. When viewed, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment barrel 3, and the tooth treatment 2 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. It is configured as described above, and the handle 10 side and the counter handle 10 side in the handling chamber 1 are configured by the tooth-hands 2 that draw the rotation trajectory and the arc-shaped uneven blade edges 14 and 14 that dent in the inside of the cutting blade 12. A threshing apparatus such as a combine, which is configured to cut threshing.   A handling cylinder 3 is rotatably pivoted in the handling chamber 1, and a pair of concavo-convex blade edges 14 are formed on a U-shaped cutting blade 12 installed on the handling port 10 side and the counter-handing port 10 side in the handling chamber 1. , 14, and the pair of concave and convex blade edges 14, 14 are formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14a and concave portions 14b. When viewed, the tip of the cutting blade 12 is provided so as to enter the rotation locus of the tooth treatment 2 of the treatment barrel 3, and the tooth treatment 2 passes between the pair of concave and convex blade edges 14, 14 of the cutting blade 12. It is configured as described above, and the handle 10 on the side of the handle 10 and the counter handle 10 on the side of the countersink 10 by the arcuate concave and convex blade edges 14, 14 that swell outward of the cutting blade 12. A threshing apparatus such as a combine, which is configured to cut threshing.   A processing cylinder 8 is rotatably pivoted in the processing chamber 6, and a pair of concave and convex blade edges 14, 14 are formed on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The blade edges 14 and 14 are formed in a straight line while alternately repeating a number of convex portions 14 a and concave portions 14 b, and the tip end portion of the cutting blade 12 is viewed in the axial direction of the processing cylinder 8. The treatment tooth 7 is provided so as to enter the rotation locus of the treatment tooth 7 of the treatment cylinder 8 so that the treatment tooth 7 passes between the pair of concave and convex blade edges 14 of the cutting blade 12, and the rotation locus is drawn. It is configured such that the threshing in the processing chamber 6 is cut on the upper side in the processing chamber 6 by the processing teeth 7 and the linear uneven edges 14 and 14 of the cutting blade 12. Threshing device.   A processing cylinder 8 is rotatably pivoted in the processing chamber 6, and a pair of concave and convex blade edges 14, 14 are formed on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The blade edges 14 and 14 are formed so as to have an arc shape that is recessed inward while alternately repeating a number of convex portions 14 a and concave portions 14 b, and the cutting blade 12 of the processing cylinder 8 is viewed in the axial direction. The distal end portion is provided so as to enter the rotation locus of the processing tooth 7 of the processing cylinder 8, and the processing tooth 7 is configured to pass between a pair of concave and convex blade edges 14, 14 of the cutting blade 12. On the upper side in the processing chamber 6 by the processing teeth 7 for drawing a locus and the concave and convex blade edges 14 and 14 formed in the shape of arcs that are recessed inward while alternately repeating a number of convex portions 14a and concave portions 14b in the cutting blade 12. It is configured to cut threshing. Threshing device, such as Vine.   A processing cylinder 8 is rotatably pivoted in the processing chamber 6, and a pair of concave and convex blade edges 14, 14 are formed on a U-shaped cutting blade 12 installed on the upper side in the processing chamber 6. The blade edges 14 and 14 are formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14 a and concave portions 14 b, and the cutting blade 12 of the processing cylinder 8 is viewed in the axial direction. The distal end portion is provided so as to enter the rotation locus of the processing tooth 7 of the processing cylinder 8, and the processing tooth 7 is configured to pass between a pair of concave and convex blade edges 14, 14 of the cutting blade 12. On the upper side in the processing chamber 6 by the processing teeth 7 for drawing a locus and the concave and convex blade edges 14 and 14 formed in an arc shape that bulges outward while alternately repeating a number of convex portions 14 a and concave portions 14 b in the cutting blade 12. Characterized by being configured to cut threshing Threshing device, such as a combine.

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