JP2008054552A - Thresher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the harvest yield of cereal grains by making the transfer of threshed materials in a threshing chamber as smooth and preventing the splash of the cereal grains from a third port even if the cereal culms forming a large amount of straw dust. <P>SOLUTION: This thresher has a helical pitch H1 of a helical plate 9a for discharging dust, facing to a relaying part 6c from a threshing chamber 6 to a discharged dust-disposal chamber 8, which is narrower than the helical pitch H2 on the rear side from the relaying part 6c, installed with each of threshing teeth 7a planted in a threshing drum 7 so as to be inclined by a prescribed angle in sending direction and further the mesh α of a receiving net 7d of a relaying part, which is stretched at the relaying part 6c is set larger than the mesh β of a threshing chamber net 7c streched on the rear side of a rear middle plate 6b provided on the front side of the relaying part 6c. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a threshing apparatus.

As shown in Japanese Patent No. 3146924, a threshing chamber having a handling cylinder for threshing cereals and a terminal side part (takeover part) of the threshing chamber are partially communicated with each other, and a dust exhausting process cylinder is provided. A dust treatment chamber is provided to reprocess unthreshed waste, and a second treatment chamber that supports the second treatment cylinder on the same axis as the dust removal treatment cylinder is reprocessed. There is something that is structured accordingly. A plurality of dust processing teeth are provided on the outer periphery of the dust processing cylinder, and a plurality of second processing teeth are provided on the outer periphery of the second processing cylinder to reprocess the dust and the second object. It is the structure to do. The continuous spiral dust removal treatment spiral plate and the second treatment spiral plate etc. are not provided, and each tooth treatment to be implanted in the treatment cylinder is implanted substantially perpendicular to the axis of the treatment cylinder. It is a configuration.
Japanese Patent No. 3146924

  Since each tooth treatment planted on the barrel is implanted at a right angle to the axis of the barrel, a large amount of sawdust may be generated and this threshing chamber may be overloaded. It was. In addition, the untreated dust that has not been threshed in the threshing chamber is transferred from the transfer terminal (takeover portion) of the threshing chamber to the dust disposal chamber, and is disposed in the dust disposal cylinder installed in the dust disposal chamber. It is reprocessed with the provided dust removal treatment teeth, but the dust removal treatment teeth provided in the dust removal treatment cylinder facing the transfer terminal part (takeover part) of this threshing chamber are the same as the dust removal treatment teeth in other places. Yes, the transfer end part (handover part) does not smoothly take over the unthreshed product, which may cause clogging of the dust in the unthreshed product. There was an overload in the room, and the processing capacity of dust was reduced.

In order to solve the above problems, the present invention takes the following technical means.
That is, the invention according to claim 1 is that a handling room network (7c) is stretched under the threshing room (6) in which a handling cylinder (7) in which a large number of teeth (7a) are implanted is rotatably mounted. The dust removal chamber (8) is provided in communication with the rear side of the threshing chamber (6) through the takeover portion (6c), and the dust removal treatment spiral plate (9a) is provided in the dust removal chamber (8). ) Continuously disposed on the outer peripheral portion so as to be freely rotatable, and the helical pitch (H1) of the dust removal processing spiral plate (9a) facing the handover portion (6c) (6c) is provided narrower than the helical pitch (H2) on the rear side, a second treatment chamber (24) is provided on the front side of the dust removal treatment chamber (8), and the second treatment chamber (24) is provided. A second treatment cylinder (24a) having a second treatment spiral plate (24b) continuously provided on the outer periphery thereof is rotatably mounted, and each tooth-handling (7 ) Is inclined at a predetermined angle (θ1) in the feed direction, and the mesh (a) of the takeover portion receiving network (7d) stretched on the takeover portion (6c) is placed on the front side of the takeover portion (6c). The threshing apparatus is characterized in that it is set to be larger than the mesh (b) of the handling room network (7c) stretched behind the provided middle plate (6b).

  When the harvested cereal meal is supplied to the threshing device, the threshing is carried out by the tooth handling (7a) of the rotating barrel (7) during the threshing chamber (6) of the threshing device. It leaks from the handling room network (7c) provided on the lower side of the room (6) onto the swing sorting shelf.

  Furthermore, dust from the unthreshed product that has not leaked from the handling room network (7c) is partly communicated with the threshing chamber (6) transfer terminal part from the takeover part (6c). The threshing chamber (6) is supplied into a dust removal treatment chamber (8) provided on one side, and the dust removal treatment spiral plate (9a) is continuously provided on the outer periphery in the dust removal treatment chamber (8). Reprocessing is performed by the rotational drive of the provided dust removal cylinder (9).

  Furthermore, the second of the unthreshed products that have not been threshed in the threshing chamber (6) is pumped into the second processing chamber (24) provided in front of the dust removal processing chamber (8). In the second processing chamber (24), reprocessing is performed by rotation of a second processing cylinder (24a) in which a second processing spiral plate (24b) is continuously provided on the outer periphery.

  The dust removal treatment spiral plate (9a) provided on the outer periphery of the dust removal cylinder (9) pivotally supported in the dust removal treatment chamber (8) is disposed at the location facing the takeover portion (6c). The spiral pitch (H1) of (9a) is provided with a predetermined width narrower than the spiral pitch (H2) on the rear side of the takeover portion (6c). Each tooth (7a) to be planted on the outer periphery of the barrel (7) is planted at a predetermined angle (θ1) in the feed direction. Furthermore, the degree of the transfer part receiving net (7d) to be stretched on the transfer part (6c) of the threshing chamber (6) on the lower side of the rotating outer periphery of the teeth (7a) to be implanted in the handle cylinder (7) (B) is provided larger than the mesh (b) of the handling room network (7c) stretched behind the intermediate plate (6b) provided on the front side of the takeover part (6c), and filtered. Improves performance and puts resistance on feeding.

  In the invention according to claim 2, a plate-like solid tooth-handling (7e) is provided on the inner side of the line-shaped toothing (7a) planted on the side of the hand drum (7) facing the takeover part (6c). The threshing apparatus according to claim 1, wherein the threshing apparatus is provided.

  On the inner side of the linear tooth treatment (7a) to be planted in the takeover part (6c) for taking over the dust from the threshing chamber (6) into the dust treatment chamber (8), a plate-like solid tooth treatment ( 7e) and after the intermediate plate (6b) provided on the front side of the takeover portion (6c), the mesh (a) of the takeover portion receiving network (7d) stretched on the takeover portion (6c) It is provided larger than the mesh (b) of the handling room network (7c) that is stretched on the side to improve the filtration efficiency at the transfer section receiving network (7d).

  According to invention of Claim 1, the movement of the threshing processed material in the threshing room 6 becomes smooth, and even if it is a cereal with a large amount of swarf generation, the filtration rate in the takeover part 6c can be improved, Scattering from the third exit can be prevented and the grain harvesting efficiency can be increased.

  According to the second aspect of the present invention, it is possible to prevent the scraps from being caught on each tooth-treating tooth 7a, and to improve the filtration rate of the grains mixed in the dust from the transfer part receiving net 7d. In addition, it is possible to prevent the grain from being scattered from the third exit and to improve the grain harvesting efficiency.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A threshing process in which a traveling chassis 3 is provided on the upper side of the traveling device 2 of the combine 1, the supply of the harvested cereal cocoon is received from a reaping device 4 provided on the front side of the traveling chassis 3, and the reaped cereal is threshed and selected A threshing device 5 which is a device is placed and provided. The threshing device 5 receives the supply of dust from the threshing chamber 6 that supports the handle cylinder 7 and the unthreshing processing product that could not be threshed in the threshing chamber 6, and threshing it again. The dust removal processing chamber 8 in which the dust removal drum 9 is pivotally supported and the second of the unthreshing processed products are supplied to perform the threshing process again. This is a configuration in which a second processing chamber 24 and the like having a second barrel 24a pivotally mounted therein are provided, and the configuration of each part of the threshing device 5 will be mainly illustrated and described.

  As shown in FIG. 4, a traveling device 2 in which a pair of left and right traveling crawlers 2 a traveling on the soil surface is stretched is disposed below the traveling chassis 3 of the combine 1. A threshing device 5 is placed. The napped grain culm is harvested by the reaping device 4 at the front part of the traveling chassis 3 and transferred to the rear upper part, and threshing is carried out while being nipped and transferred by the feed chain 10a of the threshing device 5 and the nipping rod 10b. The grain that has been threshed and sorted is supplied into the grain storage tank 11 disposed on the right side of the threshing device 5 and temporarily stored. Details of the threshing device 5 will be described later.

  As shown in FIG. 4, a narrow guide 12a and a weed body 12b for separating the napped cereals, each raising device 13 for raising the napped cereals, and the erected cereals are provided at the front part of the traveling chassis 3. Each of the scraping devices 14a of the culm scraping and transporting device 14 for scraping and transporting the cereals, the cutting blade device 15 for harvesting the squeezed culm, and the feed of the threshing device 5 by nipping and transporting the trimmed culm A cutting device 4 is provided which includes the root / ear tip transfer devices 16a and 16b of the cereal scraping transfer device 14 to be delivered to the chain 10a and the holding rod 10b. The mowing device 4 moves up and down with respect to the soil surface by a telescopic cylinder 17 that is hydraulically driven.

  A support pipe rod 18b provided at an upper end portion of the support rod 18a inclined from the lower front portion to the upper rear portion of the cutting device 4 is rotatably supported by a support device 18c provided on the upper side surface of the traveling chassis 3. When the telescopic cylinder 17 is operated, the reaping device 4 is rotated up and down together with the support rod 18a.

  In the culm transfer path formed by the culm scraping transfer device 14 of the reaping device 4, the presence or absence of supply of the cereal to the threshing device 5 is made by contacting the culm that is harvested and transferred. A cereal sensor 4a for detection is provided.

  As shown in FIG. 4, an operation device 19a for starting and stopping the combine 1, and adjusting each part, and a cockpit 19b are provided at the front portion on the grain storage tank 11 side. The engine 20 is placed below the seat 19b.

  A potentiometer type vehicle speed sensor 21b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 21a in the traveling mission case 21 mounted on the front end portion of the traveling chassis 3. ing.

  On the rear side of the grain storage tank 11 for discharging the grains stored in the grain storage tank 11 to the outside of the machine, as shown in FIG. Is attached to the upper end portion of the vertical transfer cylinder 22 so as to be extendable and retractable. The discharge spiral 23a for discharging the grain to the outside of the combiner 1 extends over the longitudinal length of the combine 1. The discharged auger 23 is disposed in the front-rear direction so as to be telescopic, pivotable up and down, and pivotable left and right.

  As shown in FIGS. 1 to 3, the threshing device 5 is formed in a substantially box shape with front and rear side plates 5a and 5b and left and right side plates 5c and 5d. And an upper cover 5f is provided at the rear of the upper end.

  On the upper and lower sides of the upper part of the threshing supply port of the threshing device 5, a holding basket 10 b and a feed chain 10 a are provided, and the cereals are held and transferred in the threshing chamber 6. In this threshing chamber 6, a slanted portion in which a large number of types of tooth-treating teeth 7 a are planted on the outer diameter portion and a straight portion are joined together to form an integral handling barrel 7 with a handling shaft 7 b. It is rotatably supported between the front plate 5a and the middle plate rear 6b. On the lower side of the rotating outer periphery of each tooth 7a of the handling cylinder 7, a handling chamber network 7c is stretched between the front plate 5a and the middle plate rear 6b, and the middle plate rear 6b, A takeover portion receiving net 7d is stretched over the takeover portion 6c between the front plate 6a and the threshing processed material is allowed to leak. Further, the threshing chamber 6 is provided with a rear plate 6b and a front plate 6a, and dust between the unthreshing process is discharged between the rear plate 6b and the front plate 6a. A hand-over portion 6c that communicates in part with the dust processing chamber 8 is formed.

  At the lower position of the barrel 7 b on the right side of the threshing chamber 6, the dust that has not been threshed in the threshing chamber 6 is removed from the rear portion of the threshing chamber 6. A dust disposal chamber 8 is provided which receives supply from 6c and performs threshing again. A dust exhaust cylinder 9 is provided inside the dust exhaust treatment chamber 8 and is provided with a shaft support. A continuous spiral dust exhaust treatment spiral plate 9a is provided at the outer diameter portion of the dust exhaust cylinder 9 and discharged to the transfer end portion. Claws 9b are provided. The dust removal cylinder 9 is rotatably supported by a dust removal shaft 9c and supported between a front side plate 5a and a rear side plate 5b. On the lower side of the outer periphery of the dust removal treatment spiral plate 9a of the dust removal drum 9, a dust removal net 8a is stretched to leak the threshing processed product. A dust discharge port 8b is provided at the end of the transfer of the dust removal processing chamber 8 to discharge the threshing waste that has been rethreshed, the trough cut, and the like.

  As shown in FIG. 1, a threshing chamber 6 is formed between the front plate 5a and the middle plate rear 6b, and between the front plate 6a of the threshing chamber 6 and the rear plate 6b. The dust removal processing chamber 8 that is partially communicated with the transfer termination portion 6c on the one side of the threshing chamber 6 is provided from the handover portion 6c provided in the threshing chamber 6, The threshing waste that has not been threshed in the threshing chamber 6 is supplied, and the threshing processing is performed again in the dust shed 8.

  The unthreshed waste material supplied from the takeover portion 6c into the dust processing chamber 8 is pivotally supported by a dust shaft 9c in the dust processing chamber 8 and provided with a dust cylinder 9. As shown in FIG. 1, the dust exhaust drum 9 is provided with a spiral continuous dust exhaust treatment spiral plate 9 a on the outer diameter portion of the dust exhaust drum 9, and the dust exhaust treatment spiral plate 9 a is driven by the rotational drive of the dust exhaust drum 9. The threshing process of the unthreshing-processed dust is performed again during the transfer to the front part of the dust-processing chamber 8.

  As shown in FIG. 1, a second processing chamber 24 is provided on the rear side of the dust removal processing chamber 8, and an unthreshing process that has not been threshed in the threshing chamber 6 is provided in the second processing chamber 24. No. 2 of these are reduced and supplied and rethreshed in the second processing chamber 24.

  The second product of the unthreshing process supplied into the second processing chamber 24 is provided with a second processing cylinder 24a pivotally supported by a dust shaft 9c of the cylinder shaft in the second processing chamber 24. As shown in FIG. 1, the outer diameter portion of the second processing cylinder 24a is provided with a second processing spiral plate 24b that is spirally continuous, and this second processing spiral plate 24b is driven by rotation of the second processing cylinder 24a. Thus, the second thing that has not been threshed is threshed again during transfer toward the rear part in the opposite direction to the dust removal processing chamber 8.

  The dust removal treatment located in the takeover portion 6c from the pitch (H2) of the dust removal treatment spiral plate 9a located on the front side in the transfer direction from the takeover portion 6c that takes over the dust in the dust removal treatment chamber 8. The pitch (H1) of the spiral plate 9a is narrowed. Further, from the rear half of the intermediate plate 6b on the rear side of the takeover part 6c, the mesh of the handling room network 7c provided at the rear part (b) of the takeover part receiving network 7d located on the takeover part 6c The scale (a) is increased. Furthermore, as shown in FIG. 3, all the teeth 7 a to be planted on the outer peripheral portion of the barrel 7 are provided to be inclined at a predetermined angle (θ1) in the feed direction.

  After the intermediate plate on the rear side of the takeover portion 6c for transferring the dust from the unthreshed product that has not been threshed in the threshing chamber 6 from the threshing chamber 6 to the dust processing chamber 8 From 6b, the mesh (a) of the transfer portion handling chamber network 7d located in the takeover portion 6c is larger than the mesh (b) of the handling chamber network 7c located in the rear portion. Further, all the teeth 7a to be planted in the 15 rows on the outer peripheral portion of the barrel 7 are provided so as to be inclined at a predetermined angle (θ1) in the feed direction.

  Even when threshing cereals with good threshing of threshing cereals and generating much swarf, it is possible to prevent clogging of dusts at the takeover part 6c. In the threshing chamber 6, the threshing processed product can be transferred faster, and the horsepower loss can be reduced. The filtration rate can be improved and the grain loss can be reduced. Furthermore, the processing performance of the threshing processed material in the threshing chamber 6 is improved by providing the pitch of the dust removal processing spiral plate 9a to be narrower than the other portions by the transfer portion 6c.

  Each tooth 7a to be planted on the outer peripheral portion of the handling cylinder 7 positioned at the takeover portion 6c is provided to be inclined at a predetermined angle (θ1) in the feeding direction. Moreover, the net | network stretched to the inheritance part 6c is stretched as follows. The mesh (a) of the transfer portion receiving net 7d located in the takeover portion 6c is larger than the mesh (b) of the handling chamber network 7c located in the rear portion from the rear plate 6b on the rear side of the takeover portion 6c. Provided. Thereby, the threshing property of the threshing threshing can be made favorable. Reduction in horsepower loss can be achieved by good transfer of the threshing product. The succession part 6c can improve the filtration rate, and can prevent the grain from scattering to the third port.

  As shown in FIG. 1, the spiral pitch (H1) at the location located on the takeover portion 6c of the dust removal treatment spiral plate 9a provided on the outer periphery of the dust removal drum 9 is a spiral on the front side of the transfer from the takeover portion 6c. Narrower than the pitch (H2). Further, as shown in FIG. 3, each tooth 7a to be implanted in the handle cylinder 7 is provided to be inclined at a predetermined angle (θ1) in the feed direction. Further, a solid tooth 7e is implanted in each of the teeth 7a to be implanted in the takeover portion 6c. A handling room network 7c extending from the rear side of the rear 6b of the intermediate plate provided on the rear side of the transfer unit 6c to the rear side of the mesh (a) of the transfer unit receiving network 7d extended to the transfer unit 6c. It is larger and stretched than the scale (b).

  With the above-described configuration, even when threshing cereals with a large amount of swarf generation, clogging of dusts can be prevented in the takeover part 6c. Further, it is possible to reduce the horsepower loss. Furthermore, the filtration rate can be improved by the takeover portion 6c, and scattering of the grain to the third port can be prevented.

  As shown in FIG. 6, the dust removal cylinder 9 and the second treatment cylinder 24a are individually provided with a continuous spiral dust removal treatment spiral plate 9a and a second treatment spiral plate 24b, respectively. The mesh (b) of the transfer section receiving network 7d is made larger than the mesh (b) of the mesh 7c, and the transfer start end (rear end) of the handling cylinder 7 is inclined at a predetermined angle. The entire width of the handling cylinder 7 of the linear shape portion is 16 equally arranged, and each of the 15 rows has a configuration in which a plurality of types of handling teeth 7a are implanted, as shown in FIG. From the first row to the eleventh row of the starting end, the tooth handling 7a implanted between the 12th row and the 15th row, which is planted substantially perpendicular to the rotation direction of the barrel 7 and is located in the transfer portion 6c, The plant is inclined at a predetermined angle (θ1) in the feed direction.

  Thereby, even when the cereal to be threshed is a cereal that has good threshing properties and a large amount of swarf generation, it is possible to reduce horsepower loss by adopting the above-described configuration, It is possible to improve the filtration rate and reduce the grain loss.

  As shown in FIG. 7, the handling barrel 7 is located at the transfer portion 6 c, and the linear handling teeth 7 a implanted between the 12th row and the 15th row are inclined at a predetermined angle (θ1) in the feeding direction. In addition, the plate-shaped solid teeth 7e are implanted inside the teeth 7a.

  Thereby, even when the threshing grain to be threshed is a grain mash having good threshing property and a large amount of swarf generation, each tooth 7a located in the takeover part 6c is inclined in the feeding direction, Since each tooth-treating tooth 7a is provided with a solid tooth-treating tooth 7e, each performance is further improved.

  As shown in FIG. 8, a partition 7f is provided between the four rows and the five rows of the handling cylinder 7 on the inner side of the handling chamber network 7c, and the front side of the partition 7f and the transfer portion 6c. The teeth 7a to be planted in the (A) portion between the rear side portions (from the fifth row to the eleventh row) are planted so as to be inclined at a predetermined angle (θ1) in the grain feeding direction.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, the partition 7f is provided at a predetermined position of the handling chamber net 7c. Each handle tooth 7a to be planted between (A) in the 5th to 11th rows can be improved in various performances by being inclined in the feed direction.

  As shown in FIG. 9, between the four rows and the five rows on the transfer start end side of the handling cylinder 7, a partition metal 7f is provided on the inner side of the handling chamber network 7c, and the front side of the partition metal 7f Each tooth 7a to be implanted between 5 rows on the transfer side and 15 rows on the front end of the takeover portion 6c is inclined at a predetermined angle (θ1) in the feed direction, Solid handle teeth 7e are implanted at substantially the same angle (θ1) in each handle teeth 7a implanted from the 12th row to the 15th row.

Thereby, even when the cereal to be threshed has a good threshing property and a large amount of swarf is generated, various performances can be improved.
As shown in FIG. 10, between the four rows and the five rows on the transfer start end side of the handling cylinder 7, a partition metal 7f is provided on the inner side surface of the handling chamber network 7c, and the front side of the partition metal 7f From the five rows, each tooth 7a to be implanted between the 15 rows at the front end of the transfer portion 6c is inclined at a predetermined angle (θ1) in the feed direction. In addition, each solid tooth 7e is implanted in each tooth 7a to be implanted between the fifth row and the last 15 rows.

Thereby, even when the cereal to be threshed has a good threshing property and a large amount of swarf is generated, various performances can be improved.
As shown in FIG. 11, between 12 rows to 15 rows of the transfer portion 6 c on the transfer terminal side of the handling barrel 7, the treated teeth 7 a to be implanted are inclined at a predetermined angle (θ2) in the reverse feed direction. Provided.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. The rate can be improved and the grain loss due to the third scattering can be reduced.

  As shown in FIG. 12, between the 12th row to the 15th row of the transfer portion 6c on the transfer terminal side of the handling barrel 7, each tooth 7a to be implanted is inclined at a predetermined angle (θ2) in the reverse feed direction. In addition, each solid tooth 7e is implanted in each tooth 7a so as to be inclined at substantially the same angle.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust in the transfer part 6c, and each handling of the transfer part 6c is handled. It is possible to prevent the scraps from being caught on the teeth 7a, there is no horsepower loss, the filtration rate is improved, and the grain loss due to the third scattering can be reduced.

  As shown in FIG. 13, the teeth 7a to be implanted from one row at the transfer start end of the handle cylinder 7 to the 11 rows behind the middle plate 6b are inclined at a predetermined angle (θ1) in the feed direction. In addition, the inside of each tooth 7a to be planted between 12 rows of the transfer portion 6c on the front side 6b rear side of the middle plate and 15 rows of the transfer end is a predetermined angle (θ2) in the reverse feed direction. It is planted with an inclination. Each net stretched in the threshing chamber 6 is inherited from the rear plate 6b, from the mesh (b) of the rear handling chamber 7c, from the rear plate 6b to the front takeover portion 6c. The mesh (a) of the receiving network 7d is enlarged and stretched.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. The rate can be improved and the grain loss due to the third scattering can be reduced.

  As shown in FIG. 14, each tooth 7 a to be implanted from one row of the transfer start end of the handling cylinder 7 to 11 rows on the rear side of the rear plate 6 b is inclined at a predetermined angle (θ1) in the feed direction. To plant. Also, each tooth 7a to be planted is inclined at a predetermined angle (θ2) in the reverse feed direction from 12 rows of the transfer portion 6c on the front side of the intermediate plate 6b to 15 rows at the transfer end. At the same time, the solid teeth 7e are implanted at substantially the same angle in the teeth 7a. Further, each net stretched in the threshing chamber 6 is stretched from the rear plate 6b to the front takeover portion 6c from the rear half 6b of the middle plate 6c. The take-over section receiving network 7d to be stretched is enlarged (a).

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. The rate can be improved and the grain loss due to the third scattering can be reduced.

  As shown in FIG. 15, between the 5th row to the 11th row on the front side of the partition 7f on the transfer start end side of the handle cylinder 7, the handle teeth 7a are implanted by inclining at a predetermined angle (θ1) in the feed direction. In addition, between the 12th row and the 15th row, each tooth 7a is implanted at a predetermined angle (θ2) in the reverse feed direction, and in each tooth 7a, a solid handle is provided. The teeth 7e are implanted at substantially the same angle. Further, each net stretched in the threshing chamber 6 is a takeover portion receiving net stretched on the takeover portion 6c from the degree of the handling chamber net 7c stretched between the transfer start end and the middle plate rear 6b. 7d scale (a) is enlarged and stretched.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  As shown in FIG. 16, in the dust removal processing chamber 8 of the threshing device 5, a dust removal cylinder 9 equipped with a plurality (a large number) of dust removal treatment teeth 9d and one or two discharge teeth 9b. The interior is pivotally supported. Others are the same as the threshing apparatus 5 as shown in FIG.

  Further, as shown in FIG. 17, all the teeth 7a to be implanted in the handling cylinder 7 are implanted so as to be inclined at a predetermined angle (θ1) in the feeding direction. In addition, the mesh (b) of the transfer portion receiving network 7d extending to the transfer portion 6c is made larger than the mesh (b) of the handling chamber network 7c extending from the transfer start end portion to the rear plate 6b. Are stretched.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  In the threshing device 5 shown in FIG. 16, each tooth 7a to be planted at a location located in the takeover portion 6c of the handling cylinder 7 is inclined at a predetermined angle (θ1) in the feeding direction as shown in FIG. Have been planted. Further, the mesh (b) of the transfer portion receiving network 7d extending to the transfer portion 6c is larger than the mesh (b) of the handling chamber network 7c extending from the transfer start end portion to the rear plate 6b. And stretched. Alternatively, as shown in FIG. 19, the solid teeth 7e are implanted at substantially the same angle in the teeth 7a to be implanted in the handing over portion 6c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  As shown in FIG. 20, all the teeth 7a to be implanted in the treatment cylinder 7 are implanted with a predetermined angle (θ1) in the feed direction. The mesh (b) of the takeover portion receiving net 7d stretched on the takeover portion 6c is stretched and stretched from the mesh (b) of the handling chamber network 7c stretched on the threshing chamber 6.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  As shown in FIG. 21, each tooth 7a to be planted at a location where the handling cylinder 7 is located in the takeover portion 6c is planted at a predetermined angle (θ2) in the reverse feed direction. Further, as shown in FIG. 22, each solid tooth 7 e is implanted at substantially the same angle in each tooth 7 a. Furthermore, the mesh (b) of the transfer portion receiving net 7d stretched on the transfer portion 6c is stretched and stretched from the mesh (b) of the handling chamber network 7c stretched on the threshing chamber 6.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  The mounting pitch of the dust removal processing teeth 9d attached to the outer periphery of the dust removal cylinder 9 that is pivotally supported in the dust removal treatment chamber 8 of the threshing apparatus 5 shown in FIG. 16 is the mounting pitch (H3) at the takeover portion 6c. In addition, as a mounting pitch (H4) on the front side (transfer direction side) from the takeover portion 6c, the pitch (H3) of these takeover portions 6c is larger than the pitch (H4) on the front side of the takeover portion 6c. In the narrow configuration, each handle 7a implanted in the place where the handle cylinder 7 is located at the transfer portion 6c is inclined at a predetermined angle (θ2) in the reverse feed direction as shown in FIG. Have been planted. In each tooth 7a, as shown in FIG. 24, each solit tooth 7e is implanted at substantially the same angle. Further, the mesh (b) of the transfer portion receiving network 7d stretched on the transfer portion 6c is set larger than the mesh (b) of the handling chamber network 7c stretched on the rear side of the transfer portion 6c. is doing.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  In the configuration of the threshing device 5 shown in FIG. 16, each tooth 7a to be planted is predetermined in the feeding direction from the transfer start end side of the handling cylinder 7 to the rear middle plate 6b on the rear side of the takeover portion 6c. Inclined at an angle (θ1). In addition, each tooth 7a to be implanted in the take-over portion 6c on the front side (transfer direction side) of the rear 6b of the intermediate plate is implanted with a predetermined angle (θ2) inclined in the reverse feed direction. Furthermore, the mesh (b) of the takeover part receiving network 7d is set larger than the mesh (b) of the handling room network 7c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  Each tooth 7a planted between the transfer starting end side of the handling cylinder 7 and the rear middle plate 6b on the rear side of the takeover portion 6c is planted at a predetermined angle (θ1) in the feed direction. Further, each tooth 7a to be implanted in the takeover portion 6c on the front side (transfer direction side) of the rear 6b of the intermediate plate is implanted with a predetermined angle (θ2) inclined in the reverse feed direction. Furthermore, the mesh (b) of the takeover part receiving network 7d is set larger than the mesh (b) of the handling room network 7c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  As shown in FIG. 16, the dust removal processing teeth 9d to be mounted on the outer periphery of the dust exhaust cylinder 9 are provided discontinuously and inclined at a predetermined angle in the transfer direction, and on the outer periphery of the second cylinder 24a. In the configuration in which the continuous second processing spiral plate 24b is mounted, as shown in FIG. 27, each tooth 7a to be implanted between the transfer start end side of the handle cylinder 7 and the rear side of the takeover portion 6c is: While being planted at a predetermined angle (θ1) in the feed direction, each tooth 7a to be planted on the takeover portion 6c is planted at a predetermined angle (θ2) in the reverse feed direction. Furthermore, the mesh (b) of the takeover part receiving network 7d is set larger than the mesh (b) of the handling room network 7c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  As shown in FIG. 28, each tooth 7a to be implanted between the transfer start end side of the handling cylinder 7 and the rear side of the takeover portion 6c is implanted at a predetermined angle (θ1) in the feed direction. In addition, each tooth 7a to be implanted in the takeover portion 6c is implanted at a predetermined angle (θ2) in the reverse feed direction, and each solid tooth 7e is placed at substantially the same angle in each tooth 7a. Planted. Furthermore, the mesh (b) of the takeover part receiving network 7d is set larger than the mesh (b) of the handling room network 7c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  The dust removal processing teeth 9d to be mounted on the outer peripheral portion of the dust discharge cylinder 9 shown in FIG. 16 have a pitch (H3) to be mounted on the transfer portion 6c more than the pitch (H4) installed on the front side of the transfer portion 6c. In the configuration in which the second processing spiral plate 24b to be mounted on the outer periphery of the second cylinder 24a is continuously and spirally formed, the handling cylinder 7 is arranged from the transfer start end as shown in FIG. The teeth 7a to be planted between the rear plate 6b and the rear middle plate 6b are planted at a predetermined angle (θ1) in the feed direction. Further, each tooth 7a to be implanted between the transfer portions 6c is implanted with a predetermined angle (θ2) inclined in the reverse feed direction. Furthermore, the mesh (b) of the takeover section receiving network 7d is set larger than the mesh (b) of the handling room network 7c.

  As a result, even when the threshing cereal has good threshing properties and a large amount of swarf is generated, there is no clogging of dust, no loss of horsepower, and filtration. It is possible to improve the rate and reduce the grain loss of No. 3 scattering.

  Below the rotating outer periphery of the continuous spiral dust removal treatment spiral plate 9 provided on the outer periphery of the dust removal drum 9 which is pivotally supported by the dust removal shaft 9c in the dust removal treatment chamber 8 is shown in FIG. As shown in Fig. 2, the dust net 8a is stretched, and the dust material supplied into the dust processing chamber 8 is rethreshed in the dust processing chamber 8, and the rethreshing product is mainly used. Grains, a small amount of swarf and the like leak from the dust net 8a and are supplied to the swing sorting device 26a provided in the lower sorting chamber 25 for swing sorting.

In addition, a dust discharge port 8b is provided at the transfer terminal end of the dust net 8a, so that mainly debris, waste cuts, etc. that have not leaked from the dust net 8a are removed from the dust discharge port 8b. It is discharged outside.
As shown in FIG. 1, a second treatment chamber 24 is provided on the rear side of the dust removal treatment chamber 8, and a second cylinder 24a is provided in the second treatment chamber 24 with a coaxial dust removal shaft 9c. Is provided on the outer periphery of the second cylinder 24a, and is continuously attached to the outer periphery of the second cylinder 24a. A second net 24c is stretched on the side, and the second product supplied into the second processing chamber 24 is rethreshed in the second processing chamber 24, and the grain of the rethreshing product is mainly grain. A small amount of sawdust and the like leaks from the second net 24c and is supplied to the lower swing sorting device 26a for swing sorting. Further, a second discharge port 24d is provided at the transfer end of the second net 24c, and mainly the sawdust and a small amount of grains that have not leaked from the second net 24c are the second discharge port 24d. Is then discharged onto the swing sorting device 26a and swinged and sorted.

The swing sorting device 26a is driven to swing and rotate by a roller device 26b provided at the front portion and a cam device 26c provided at the rear portion.
The lower rear portion of the swing sorting device 26a is provided with a blower fan 27 that generates wind for wind sorting. The wind is sorted into sawdust etc.

  A first sorting device 28 is provided on the front side of the blower fan 27, and the first sorting device 28 is provided with a first receiving rod 28b connected to the first sorting shelf 28a. The first transfer helix 28c is rotatably supported, and the first cereal grain is transferred and supplied into the first cereal cylinder 28d provided on the right outer side. Supply into the grain storage tank 11.

  A second sorting device 29 is provided on the front side of the first sorting device 28. The second sorting device 29 is connected to a second sorting shelf 29a and a rearmost first sorting shelf 28a. In this second receiving rod 29b, a second transfer spiral 29c is rotatably supported, and the second item is transferred and supplied into a second reduction cylinder 29d provided on the right outer side. It reduces to the 2nd process chamber 24 with the number reduction cylinder 29d, and performs a threshing process again.

  A suction fan 30 is provided at the front side of the threshing chamber 6 on the upper side of the swing sorting device 26a to discharge swarf, chopping, dust and the like generated during threshing.

Left overall cross-sectional view of threshing device 1 is a cross-sectional view taken along line AA in FIG. Expanded plan view of the barrel Combine left side side view Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Left overall cross-sectional view of threshing device Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel Expanded plan view of the barrel

Explanation of symbols

(6) Threshing chamber (6b) After middle plate (6c) Handover part (7) Handle cylinder (7a) Handle (7c) Handle net (7d) Handover net (7e) Solid tooth handle (8) Dust removal Treatment chamber (9) Dust removal cylinder (9a) Dust removal treatment spiral plate (24) Second treatment chamber (24a) Second treatment cylinder (24b) Second treatment spiral plate (H1) Spiral pitch (H2) Spiral pitch (θ1) ) Predetermined angle (b) Scale (b) Scale

Claims (2)

  A handling net (7c) is stretched under the threshing chamber (6) in which a handling cylinder (7) in which a large number of teeth (7a) are implanted is rotatably mounted, and the rear portion of the threshing chamber (6) A dust removal treatment chamber (8) is provided on one side through a hand-over portion (6c), and a dust removal treatment spiral plate (9a) is continuously provided on the outer periphery of the dust removal treatment chamber (8). The dust removal cylinder (9) is rotatably mounted, and the helical pitch (H1) of the dust removal treatment spiral plate (9a) facing the takeover portion (6c) is set to the helical pitch on the rear side of the takeover portion (6c). The second processing chamber (24) is provided on the front side of the dust removal processing chamber (8), and the second processing spiral plate (24b) is provided on the outer periphery of the second processing chamber (24). A second processing cylinder (24a) continuously provided in the part is rotatably mounted, and each tooth (7a) to be implanted in the treatment cylinder (7) has a predetermined angle (θ ) Provided with an inclination, and the mesh (a) of the takeover part receiving network (7d) to be stretched on the takeover part (6c) Threshing apparatus characterized in that it is set larger than the mesh (b) of the handling room network (7c) stretched on the rear side.   The plate-like solid tooth-handling (7e) is provided inside the linear tooth-handling (7a) planted on the side of the hand drum (7) facing the hand-over part (6c). A threshing apparatus according to claim 1.

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