JP2011097962A - Thresher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To remove free grain over rack from threshed waste straw, so as to prevent of the grain from being discharged outside of a thresher together with the waste straw. <P>SOLUTION: A supplying hole (6e) is formed between a threshing chamber middle front plate (6c) provided at the rear part in the threshing chamber (6) and a threshing chamber middle rear plate (6d) provided at the rear side of the threshing chamber middle front plate (6c) with a space so that the threshing discharge waste in the threshing chamber (6) is supplied from the inside of the threshing chamber (6) to the inside of a discharge waste treating chamber (10) through the supplying hole (6e), wherein a free grain over rack collecting part (β) is formed between a threshing chamber rear plate (6b) pivoting a rear end side of a threshing cylinder shaft (7) supporting a threshing drum (7a) and the threshing chamber middle rear plate (6d), and configured to remove free grains on the threshed straws by a threshing teeth (7b) on the rear end of the threshing drum (7a) in the free grain over rack collecting part (β) and flow-down them on to a swing selector (25). <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a threshing machine.

  For example, in a configuration in which a threshing machine is placed on the upper side of the combine traveling platform, the harvested cereal culm is transferred to the rear upper part, is taken over by this threshing machine, is sandwiched inside this threshing machine, and is threshed during the transfer. Is done.

  As described above, threshing that has been threshed by the threshing machine, and removal of the small grains that are discharged to the discharged waste is as shown in Japanese Utility Model Laid-Open No. 5-41. That is, threshing is carried out by a barrel supported by a barrel shaft in the handling chamber, and the threshed waste is discharged from a waste outlet portion on the rear side of the handling chamber. The endless belt provided with protrusions at predetermined intervals spans the driving pulley provided at the transfer terminal end of the barrel shaft and the driven pulley provided on the handling port outside the handling chamber. By the rotational driving of the band, each protrusion is inserted into the evacuation, and the crushed grains are removed.

Japanese Utility Model Publication No. 5-41

  The small grains that fall into the waste are removed by the projections provided on the outer end of the handling chamber and driven to rotate, but when the waste is discharged in an oblique state, each projection is It may not be in a state of being surely inserted into the waste, and at this time, the grain loss of the fourth mouth may increase without reliably removing the small grains, This is to solve this problem.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, in the invention described in claim 1, a handling cylinder (7 a) in which a large number of teeth (7 b) are implanted is provided in the handling chamber (6), and a handling port ( 7d), and a dust removal treatment chamber (10) having a dust removal cylinder (11a) is provided on the opposite side of the treatment chamber (6) from the side on which the treatment opening (7d) is provided. (6) Between the front plate (6c) provided in the rear part of the interior of the chamber and the rear plate (6d) provided in the rear part of the front plate (6c) with a space behind the front plate (6c). A structure in which a supply port (6e) is formed and threshing dust in the handling chamber (6) is supplied from the inside of the handling chamber (6) into the dust treatment chamber (10) through the supply port (6e). And recovery of the grain between the rear plate (6b) and the rear plate (6d) in the chamber, which supports the rear end side of the barrel (7) that supports the barrel (7a). Part (b) is formed, and the handling cylinder (7 ) A threshing machine characterized in that it is configured to remove the grains that are in contact with the waste after the threshing by the tooth-handling (7b) at the rear end and flow down onto the swing sorting device (25). It is.

  In invention of Claim 2, it was set as the threshing machine of Claim 1 which provided the guide (48c) which supports the tip side of the waste after threshing in the said small grain collection | recovery part (b). Is.

  According to the first aspect of the present invention, in the trivial grain recovery part (b), the grains that are fed to the wrought after the threshing are removed by the tooth handling (7b) at the rear end part of the handling cylinder (7a) and swung. By flowing down and collecting on the sorting device (25), it is possible to prevent the grains from being discharged out of the machine together with the waste.

  According to the second aspect of the present invention, when the effects of the first aspect of the present invention are achieved, the caustic grains can be removed from the waste after threshing by the action of the guide (48c) and the tooth-handling (7b). it can.

Front view of threshing machine Flat section of threshing machine Left side cross section of threshing machine Thresher transmission mechanism diagram Front view with partial cross section of threshing machine Transmission rear view of threshing drum body Right side cross section of threshing machine Plane cross-sectional view of the dust removal cylinder and the second cylinder of the threshing machine Plan view of transmission part of threshing barrel Power transmission cross section of the threshing machine dust exhaust Relationship diagram between combine vehicle speed and peripheral speed of dust cylinder, cylinder and second cylinder Relationship diagram between combine vehicle speed and peripheral speed of dust cylinder, cylinder and second cylinder Relationship diagram between combine vehicle speed and peripheral speed of dust cylinder, cylinder and second cylinder Relationship diagram between combine vehicle speed and peripheral speed of dust cylinder, cylinder and second cylinder Enlarged side view of the dust feeding guide part of the dust removal processing chamber of the threshing machine Front sectional view of the dust feed guide in the dust removal chamber of the threshing machine Relationship diagram between combine vehicle speed and dust feed guide dust feed angle Relationship diagram between combine vehicle speed and dust feed guide dust feed angle Enlarged side view of the dust feeding guide part of the dust removal processing chamber of the threshing machine Relationship diagram between combine vehicle speed and dust feed guide dust feed angle Combine left side side view

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The threshing machine 3 placed on the traveling chassis 2 of the combine 1 will be described. A harvester 4 is provided in the front part of the traveling chassis 2 of the combine 1, and the harvested cereals harvested by the harvester 4 are transferred to the rear upper part by the harvester 4, and the feed chain 5 a of the threshing machine 3 To the handling cylinder 7a provided to be supported by the handling cylinder shaft 7 that is supported in the handling chamber 6 while being transferred by holding the inside of the handling chamber 6 of the threshing machine 3 while being handed over by the holding rod 5b. Threshing is carried out by each of the tooth handling teeth 7b in which a large number of kinds are installed. The crushed grains that have been threshed and discharged to the outside of the machine are removed by the guide member 9a of the crushed grain collection device 8 provided in the handling chamber 6, the teeth handling teeth 7b, etc. It is the structure which leaks simultaneously with the threshed grain and is selected from the handling room net 7c stretched to the outer peripheral lower part side of the tooth handling 7b of the inner handling cylinder 7a. The guide member 9a and the like provided in the handling chamber 6 will be mainly illustrated and described.

  A traveling device 12 in which a pair of left and right traveling crawlers 12 a traveling on the soil surface is stretched is disposed below the traveling chassis 2 of the combine 1, and threshing is disposed above the traveling chassis 2. In this configuration, the machine 3 is placed. The napped grain culm is harvested by the reaper 4 at the front part of the traveling chassis 2, and this reaped cereal is transferred to the rear upper part by the reaper 4, and is taken over by the feed chain 5 a of the threshing machine 3 and the sandwiching trough 5 b. And threshing while being held and transferred. The threshed and selected grain is temporarily stored in a grain storage tank 13 disposed on the right side of the threshing machine 3.

  As shown in FIG. 21, a narrow guide 14a for separating the napped grains from the front end position, each weed body 14b, and each pulling device 14c for raising the napped grains are raised at the front part of the traveling chassis 2. Each of the scraping devices 15a of the culm scraping and transporting device 15 for scrambling the culm, the cutting blade device 14d for cutting the squeezed culm, and the threshing machine 3 The reamer 4 is provided with a root and tip transfer device 16a, 16b, etc. of the cereal scraping transfer device 15 to be delivered to the feed chain 5a. The reaper 4 is configured to move up and down with respect to the soil surface by a telescopic cylinder 17 that is hydraulically driven.

  A support pipe rod 18b is provided in the left-right direction at the upper end portion of the support rod 18a inclined from the front lower part to the rear upper part of the reaper 4, and the support device 18c is provided on the upper side surface of the traveling chassis 2. The reaping machine 4 is configured to rotate up and down around the support pipe rod 18b by the operation of the telescopic cylinder 17 by being supported rotatably.

  In the culm transfer path formed by the culm scraping transfer device 15 of the reaper 4, whether or not the cereal is supplied to the threshing machine 3 by contacting the culm that is harvested and transferred. It is the structure which provided the grain candy sensor 4a to detect.

  A potentiometer-type vehicle speed sensor 19b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 19a in the traveling transmission case 19 mounted on the front end of the traveling chassis 2. It is a configuration.

  In the front part on the grain storage tank 13 side, as shown in FIG. 21, an operating device 20a for starting and stopping the combine 1 and adjusting each part and the like, and a cockpit on which an operator who performs these operations is boarded 20b, and an engine 21 is mounted on the upper side of the traveling chassis 2 below the cockpit 20b, and a grain storage tank 13 is disposed in the rear part. It is the structure which formed the body 1a of the combine 1 with these travel apparatuses 12, the reaping machine 4, the threshing machine 3, and the engine 21 grade | etc.,.

A threshing machine 3 is placed on the left side of the grain storage tank 13 on the upper surface of the traveling chassis 2 and the cockpit 20b as shown in FIGS.
As shown in FIGS. 1 to 3, the threshing machine 3 is formed into a substantially box shape by the front and rear plates 6a and 6b and the left and right plates 6f and 6h, and is formed in the box. In the handling chamber 6, the front and middle plates 6c and 6d in the handling chamber are provided. In the front side of the handling port 7d on the upper left side of the threshing machine 3, the harvested cereal grains transferred to the upper part by the root / tip transfer devices 16a and 16b of the reaping machine 4 are taken over, and the inside of the handling room 6 of the threshing machine 3 Is provided with a feed chain 5a for sandwiching and transporting and a sandwiching rod 5b.

  In the upper part of the threshing machine 3, a handling chamber 6 is provided between the front and rear plates 6a, 6b in the front-rear direction, and a handling cylinder shaft 7 is rotatably supported in the handling chamber 6. The handling cylinder shaft 7 has a configuration in which a handling cylinder 7a in which many kinds of handling teeth 7b are implanted is pivotally supported. Moreover, it is the structure which stretched the handling room net | network 7c which the threshing processed material leaks in the handling room 6 of the rotation outer periphery lower part of the teeth 7b of the handling cylinder 7a.

  On the transfer terminal end side of the handling chamber 6, a front plate 6 c in the handling chamber and a rear plate 6 d in the handling chamber are provided at a predetermined interval, and an unthreshing processed product (dust exhausted) that has not been threshed in the handling chamber 6. Is provided with a threshing supply port (supply port) 6e for supplying the product to the dust treatment chamber 10 described later in detail.

  As shown in FIG. 1 and FIG. 2, a supply of unthreshing processed material (dusted waste) is provided from the threshing supply port 6 e at the lower right portion of the handling drum 6, and a dust processing chamber 10 for rethreshing processing is provided. This is a configuration provided. A dust removal shaft (dust removal cylinder shaft) 11 is rotatably supported in the dust removal treatment chamber 10. The dust removal shaft 11 includes a spiral plate 11 c and a plurality of dust removal claws. 11b, and a dust removal cylinder 11a equipped with a dust discharge plate 11d and the like are pivotally supported. In addition, a dust removal net 11e through which the threshing processed material leaks is stretched in the dust removal treatment chamber 10 in the lower part of the outer periphery of the dust removal claw 11b of the dust removal drum 11a.

  At the transfer end of the dust net 11e of the dust disposal chamber 10, there are a small amount of grains, waste, and trough cuts that have been rethreshed and not leaked from the dust net 11e. It is the structure which provided the dust discharge port 10a discharged.

  As shown in FIG. 1 and FIG. 2, a second processing chamber 22 is provided on the front side of the dust removal processing chamber 10 to receive a second reduced product and perform a threshing process again. In the second processing chamber 22, the dust removal shaft 11 is provided so as to extend forward and pivotally supported, and in the second processing chamber 22 of the dust removal shaft 11, a plurality of second claws 23 b, This is a configuration in which a second cylinder 23a equipped with a second discharge plate 23c and the like is pivotally supported. Further, a second net 23d through which the threshing processed material leaks is stretched in the second processing chamber 22 at the lower part of the outer periphery of the rotation of the second claw 23a.

  At the transfer end of the second net 23d of the second processing chamber 22, a small amount of grains, slaughter, culling and the like that have been rethreshed and not leaked from the second net 23d. It is the structure which provided the 2nd discharge port 22a which discharges | emits a small amount of grain which has not leaked from the 2nd net | network 23d to discharge | emit, a waste, a trough cutting, etc.

  Handling chamber rear plate 6b that forms the handling chamber 6 and handling chamber middle front and middle and rear plates 6c, 6d that form a threshing supply port 6e that supplies unthreshing processed material (dusted waste) to the dusting processing chamber 10. Between the rear plate 6d in the handling chamber on the rear side, a guide member 9a of the grain recovery device 8 is provided as shown in FIG. 1 and FIG. This guide member 9a is used to remove the small grains that are crushed into the waste when the drained waste is discharged from the discharge outlet 6f of the rear plate 6b. In this configuration, the grain loss at the 4th port that is taken out from the waste discharge port 6f to the 4th port outside the machine and discharged is maintained in a state in which the grain has been applied to the culling.

  As shown in FIGS. 1 and 2, the guide member 9a is further planted in the handling cylinder 7a on the tip side of the threshing grain between the rear plate 6d in the handling chamber and the rear plate 6b in the handling chamber. Along the rotating outer periphery of the tooth handling 7b, it extends from the upper part of the handling chamber 6 to the lower part of the predetermined position from the center (A) position of the dust removal shaft 17 that pivotally supports the dust removal cylinder 11a. By the action of the guide member 9a and the tooth handling teeth 7b, the removal of the small grains is good.

  By providing the guide member 9a in a long range between the rear plate 6d in the chamber and the rear plate 6b, the rigidity of the machine frame of the threshing machine 3 is improved. Further, the strength of the threshing supply port 6e can be increased. In the small grain recovery unit (b), a long rod or the like generated in the handling chamber 6 is caught by the lower end portion of the guide member 9a, and the sorted matter transported on the swing sorting device 25 is stagnated, or the dust processing chamber. By depositing on the 10 processing chamber casings 10b, it is possible to prevent accumulation of fallen grains, sawdust, and the like. It is possible to prevent the rethreshing product that has leaked from the dust net 11e of the dusting processing chamber 10 from leaking to the tip side of the grain mash that is being threshed in the handling chamber 6.

The handle teeth 7b, which are supported by the interior of the handling chamber 6 and are planted in the handling cylinder 7a for threshing the cereal, are planted as shown in FIG.
Each handling planted between the transfer start end of the handling cylinder 7a and a location where the front plate 6c in the handling chamber forming the threshing supply port 6e for supplying the threshing processed material into the dust removal processing chamber 10 is located. The tooth 7b has a configuration in which the tooth 7b is planted at a forward angle (θ1) toward the rear. Further, the tooth 7b to be implanted between the location where the front plate 6c in the chamber is located and the transfer terminal portion of the barrel 7a has a configuration in which it is implanted forward at an advance angle (θ2).

  Each tooth 7b to be implanted in the handling cylinder 7a has a transfer start end side facing backward from the transfer start end of the handling cylinder 7a built in the handling chamber 6 while the front plate 6c in the handling chamber is located. The transfer start end side advances forward between the location where the front plate 6c in the handling chamber is located and the transfer start end portion of the handling cylinder 7a. By adopting a structure that is planted and provided at the angle (θ2), the threshing supply port 6e is in a state where the threshing processed product and the cereal mash during the threshing are stopped, and the dust removal processing chamber 10 is not yet closed. The threshing processed material can be easily taken in. For this reason, the picking up of the cereal grains in the cereal is easy and good, and the rear plate 6b is disposed on the transfer terminal side of the handling cylinder 7a. The grain loss that is drastically reduced to the waste discharged from the discharge port 6f to the outside of the machine, and is discharged to the fourth port Can be prevented.

  In the handling chamber 6 on the handling port 7d side through which the threshing grains on the feed chain 5a side on the left side of the handling chamber 6 are supplied and passed, as shown in FIG. 1 to FIG. From the rear plate 6d portion in the rear handling chamber, which forms the threshing supply port 6e for supplying the dust to the dust disposal chamber 10, and the waste outlet 6f of the rear plate 6b in the handling chamber 6 The stock support support guide 9b is sequentially brought closer to the waste transfer chain 12 that is handed over from the rear to the waste transfer chain 12 in an upwardly inclined state and further on the rear side toward the barrel shaft 7. This is a configuration provided.

  In the handling chamber 6 on the left handling port 7d side of the handling chamber 6, from the rear plate 6d portion in the handling chamber, the threshing-completed waste is received and transferred to the waste transfer chain 5c side to be transferred, By providing the stock support lifting guide 9b in the approaching state with the upper end portion being in an upwardly inclined state and the rear side facing the handling cylinder shaft 7, the stock support support guide 9b is used to move backward during threshing. As the stocker side of the cereals being transferred is moved backward, the pallet 7b is moved deeper into the cereals being transferred, with the cereals being supported toward the barrel 7a. The removal of the coarse grains is improved, and the grain loss at the No. 4 outlet that is discharged outside the machine is prevented. Moreover, the takeover of the waste to the waste transfer chain 5c becomes good, the posture of the waste transfer is stable, and the waste can be prevented from being clogged at the time of takeover.

  As shown in FIG. 3, a sorting chamber 24 is provided below the handling chamber 6. In this sorting chamber 24, the threshing processed material leaking from the handling chamber network 7 c of the handling chamber 6, and the dust disposal chamber. 10, the swing sorting device 25 that swings and sorts while being oscillated and transported by receiving supply of rethreshing products and the like leaking from the nets 11 e and 23 d of the second processing chamber 22 is suspended. The swing sorting device 25 is swing-sorted into grains, swarf and dust, etc. while being swung and transported by a swing cam device 25a and a swing roller device 25b.

  The rocking sorter 25 has, in order from the transfer start end side, a mountain-shaped transfer shelf 26a, a plurality of front chaff sheaves 26b, a plurality of rear chaff sheaves 26c with adjustable leakage amount, and a plurality of them. The strobe rack 26d, the rear sheave sheave 26c, a grain sheave 27a made of a mesh member and the like, and a stroll rack 26d below the stroll rack 26d are provided.

  A blower 28 is provided at the lower front portion of the swing sorting device 25, and the grains, which are swing-sorted by the swing sorting device 25, and fallen, some of the swarf and dust are blowers. The wind is selected by the wind generated from the air 28.

  Grains that have been oscillated and sorted by the oscillating sorter 25 and wind-sorted by the blower 28 are re-classified while flowing down on the first sorting shelf 29a of the first sorting device 29, and the selected grains are The first transfer helix 29a is supplied into the first transfer receiving rod 29b and transferred to one side (right side) by the first transfer helix 29c built in the first transfer receiving rod 29b. Is fed into the grain storage tank 13 and temporarily stored in the grain storage tank 13.

  Part of the grains that have been subjected to rocking and sorting by the rocking and sorting device 25, swarf, dust, and the like are transferred to the rear part and are wind-sorted during the fall from the rear end part. The second sorting shelf 31a of the sorting device 31 is re-classified while flowing down, and the sorted twig rachis adhering grains, etc., and part of the swarf and swarf are supplied into the second transport receiving 31b. Then, it is transferred to one side (right side) by the second transfer spiral 31c built in the second transfer receiving bar 31b, taken over to the second reduction device 32, and lifted by the second reduction spiral 32a of the second reduction device 32. It is the structure which sends and returns to the 2nd processing chamber 22, and performs a threshing process again.

  As shown in FIG. 3, a suction fan 33 is provided on the upper side of the transfer terminal portion of the swing sorting device 25. The suction fan 33 sucks the dust and dust that have been subjected to the swing sorting, the dust, the scraper, and the like during the swing transfer on the swing sorting device 25 and discharges them to the outside of the machine.

  The rotational drive of the barrel 7a supported on the barrel 7 is configured to rotationally drive the rotational power of the engine 21 via the blower 28 as shown in FIGS. The belt 21c is stretched between the middle groove of the three-stage pulley 21b that is supported on the engine shaft 21a of the engine 21 and the inner groove of the two-stage pulley 28b that is supported on one side of the blower shaft 28a of the blower 28. is there.

  A barrel input gear case 34 with a transmission mechanism 34a is provided on one side of the barrel 7 that supports the barrel 7a. The barrel input gear case 34 is provided with a barrel input metal 34c. A transmission shaft 34b is pivotally supported on the handle input metal 34c and a transmission mechanism 34a of the handle input gear case 34, and a pulley 34d is provided on the shaft end of the transmission shaft 34b. The belt 34e is stretched over the pulley 34d and the outer groove of the two-stage pulley 28b provided on the blower shaft 28a. The rotational power of the engine 21 is configured to rotationally drive the handling cylinder shaft 7 that supports the handling cylinder 7 a via the ventilation shaft 28 a of the blower 28.

  As shown in FIG. 4, the rotational drive of the dust removal cylinder 11a supported on the dust removal shaft 11 is carried out by the inner groove of the two-stage pulley 28c supported on the other end of the blower shaft 28a of the blower 28 and the most transfer. A belt 28d is stretched around a pulley 29d that is pivotally supported on the spiral 29, a pulley 31d that is pivotally supported on one end of the second transfer spiral 31c, and the like.

  A second gear case 35 having a transmission mechanism 35a is provided at the other end of the second helical shaft 31c, and a pulley 35c is provided at the shaft end of the transmission shaft 35b provided to the transmission mechanism 35a. It is the structure provided by pivotally supporting.

  A transmission case 36 having a transmission mechanism 36a is provided, and a pulley 36c is pivotally supported at the shaft end portion of the inner transmission shaft 36b provided to the transmission mechanism 36a. The pulley 36c and a pulley 35c of the transmission shaft 35b are provided. In the configuration, the belt 35d is stretched.

  A pulley 37b is pivotally supported at the rear end of the rear transmission shaft 37a provided to the transmission mechanism 36a of the transmission case 36, and the pulley 37b and the rear of the dust removal shaft 11 pivotally supported by the dust removal cylinder 11a. The pulley 11f that is pivotally supported at the end has a configuration in which a belt 11h is stretched around and the dust removal cylinder 11a that is pivotally supported on the dust collection axis 11 and the second cylinder 23a are rotationally driven.

  Thereby, simplification of transmission can be achieved. Since there is no transmission device in the front part of the dust removal cylinder 11a, the noise at the ear of the driver can be reduced. Moreover, the hot air from the engine 21 is easily removed. Furthermore, maintainability is improved. It is possible to prevent the occurrence of transmission problems.

  As shown in FIGS. 7 and 8, the dust exhaust cylinder 11a and the second cylinder 23a are configured to open and close the cutter device 40, which can be opened and closed to the rear side of the threshing machine 3. The cylinder 11a and the second cylinder 23a can be extracted integrally toward the rear part.

  The dust removal cylinder 11a and the second cylinder 23a are integrally formed as shown in FIGS. A dust collecting drum receiving plate 3b is provided on the rear end side of the dust collecting drum 11a, and a dust collecting metal 10c is attached to the dust collecting drum receiving plate 3b with a bolt or the like. The dust removal metal 10c is configured to be supported by a bearing that supports the shaft 38c after dust removal.

  A dust collection metal 38b is inserted into the front end portion of the dust removal rear shaft 38c and is pivotally supported. In addition, a pulley 11f is attached to the rear end portion of the dust-rejecting shaft 38c. The dust collection metal 38b is configured to be attached to the dust collection support metal 38a provided on the rear inner diameter portion of the dust collection cylinder 11a with a bolt or the like.

  A second cylinder 23a is connected to the front end of the dust removal cylinder 11a, and a second receiving metal 39a is inserted into the inner diameter of the front end of the second cylinder 23a. The cylinder front plate 6a is provided with a second cylinder receiving plate 3b, and a second metal 39b with a second front shaft 39c pivotally supported therein and bearings is provided on the second cylinder receiving plate 3b by bolts or the like. It is the structure provided by mounting. The second front shaft 39c pivotally supported by each bearing of the second metal 39b is inserted into the axial center portion of the second receiving metal 39a of the second barrel 23a, and the front end portion of the second barrel 23a is pivotally supported. It is. A bolt is screwed into the front end of the second front shaft 39c to prevent it from coming off.

  When the dust removal cylinder 11a and the second cylinder 23a are integrally extracted to the rear part, the second front shaft 39c is bolted as shown in FIG. 8. After the bolt is extracted, the cutter device 40 is moved to the right. By rotating the outer side, the dust removing cylinder 10a and the second cylinder 23a are integrally extracted and removed rearward as shown in FIG.

Thereby, the maintenance of the dust exhaust cylinder 11a and the second cylinder 23a is easy and simple.
As shown in FIGS. 4, 5, and 9, the drive shaft 7 of the handle cylinder 7 a is rotationally driven by being attached to the outer surface of the front plate 6 a that supports the handle shaft 7. A transmission shaft 34b is pivotally supported by a handling cylinder input metal 34c provided between the rear side surface of the handling cylinder input gear case 34 having the transmission mechanism 34a and the right side of the outer side surface of the handling chamber front plate 6a. And it is the structure connected with the transmission mechanism 34a in the barrel input gear case 34. FIG.

  A pulley 34d is pivotally supported at the right end portion of the transmission shaft 34b that is pivotally supported on the handle cylinder input metal 34c. A belt 34e is spanned over the side groove, the barrel 7 of the barrel 7a is rotationally driven, the barrel 7a is rotationally driven, and the cereals are threshed by the teeth 7b. The attachment part of the dust collection metal 10c of the front chamber plate 6a is provided with a dust collection cylinder receiving plate 3a that forms a concave (c) state surface.

  As a result, the rigidity of the front plate 6a can be increased. In addition, the mounting surface of the dust collection metal 10c is provided with the dust collection cylinder receiving plate 3a to form a concave (c) state surface, so that the dust collection metal 10c does not protrude from the surface of the front plate 6a. Therefore, the hot air around the engine 21 is likely to escape. Good maintainability.

  As shown in FIGS. 4 and 7, the rotational drive input of the handling cylinder 7 a to the handling cylinder shaft 7 is configured to be transmitted from the blowing shaft 28 a of the blower 28 to the upper front part. Further, the dust removal shaft 11 that pivotally supports the dust removal cylinder 11a and the second cylinder 23a is rotated upwardly from the second transfer spiral 31c built in the second selection device 31 as shown in FIG. It is the composition transmitted to. Both of these transmissions are provided outside the right side plate 3d of the threshing machine 3. 3c is a left side plate. Furthermore, as shown in FIGS. 6, 7, and 8, a pulley 11f that is attached to the dust removal shaft 11 that pivotally supports the dust removal drum 11a is provided on the rear side of the threshing machine 3 behind the dust removal drum 11a. This is a configuration provided so as to be positioned between the cutter device 40.

  Thereby, the belt 11h for the pulley 11f of the dust removal shaft 11 can be shortened. Further, the pulley 11f is provided between the rear end portion of the dust removing cylinder 11a and the cutter device 40, thereby preventing clogging of the cutting cut by the cutter device 40. Further, the dust exhaust cylinder 10a can be extended rearward.

FIG. 10 shows a structure in which a dust-removing shaft 38c that pivotally supports the dust-removing cylinder 11a, the second cylinder 23a, and a transmission 41 that rotates and drives the second-front shaft 39c.
As shown in FIGS. 10 and 15, the speed change motor 41 a that speed-rotates and drives the dust-removed shaft 38 c has a structure in which a pinion gear 41 c is pivotally supported on the speed change motor shaft 41 b. Further, a support pin 44a is provided on a support frame 44 installed on the right side plate 3d of the threshing machine 3, a support boss 45a is provided on the support pin 44a, and a rack gear 41d is provided on the support boss 45a. The rack gear 41d and the pinion gear 41c are engaged with each other.

  The inner transmission shaft 36b of the transmission mechanism 36a of the transmission case 36 is pivotally supported by an outer split pulley 42a having a shift clutch portion of the shift split pulley 42 and an inner split pulley 42b having a shift clutch portion. This inner split pulley 42b is provided with a connecting rod 44b via a support boss 45a, a plate 45b, etc., and this connecting rod 44b is rotated by the rotation of the speed change motor 41a, so The pulley 42b is rotated and operated, and the speed change split pulley 42 is driven to rotate at different speeds.

  Along with the shift movement of the inner split pulley 42b of the shift split pulley 42, the tension pulley device 43 is also rotated at the same time, so that the shift split pulley 42 is driven to rotate at a variable speed. The belt 11h spanned between the pulley 37b pivotally supported by the 36 transmission shaft 37a and the pulley 11a pivotally supported by the dust-removed shaft 38c is rotationally driven to shift the dust-removal cylinder 11a and the second cylinder 23a. It is the structure which carries out variable speed rotation drive.

  Control of variable speed rotation driving of the dust removal cylinder 11a and the second cylinder 23a is made by sensing the voltage value of the potentio according to the tilting amount of the main transmission lever 20c provided in the operation apparatus 20a, and operating the apparatus 20a. It is the structure which is output to the transmission motor 41a of the transmission 41 via the CPU 20e of the control device 20d provided in the interior and shifts. Further, when the vehicle travels backward to neutral, the rotational speed is constant, and during neutral to forward travel, either the speed change control of the speed change motor 41a or the speed control of the travel speed of the travel device 12 controls the dust exhaust of the dust exhaust cylinder 11a. As shown in FIGS. 11 to 13, the rotational speed of the tip of the claw 11 b and the second claw 23 b of the second cylinder 23 a is controlled to be controlled by one of three types.

  Thereby, the removal effect of branch rachis adhering grains is improved by controlling the rotation speed according to the processing amount of the dust removing cylinder 11a and the second cylinder 23a and the traveling vehicle speed. Moreover, it becomes control of the rotation speed with respect to the processing amount of a 2nd thing, the increase in damaged grain can be suppressed, and a branch raft adhesion grain can be removed efficiently. Since the second dust feeding speed changes, clogging in the second processing chamber 22 can be prevented.

  The peripheral speed of the tip of the dust removal claw 11b of the dust removal cylinder 11a and the peripheral speed of the tip of the second claw 23b of the second cylinder 23a are the standard dry state of the dry state of the threshing threshing, or The dry state is bad and the wet material is used to control the rotation at a predetermined speed and acceleration when the wet material is used as shown in FIG.

Thereby, clogging in the dust removal processing chamber 10 and the second processing chamber 22 can be prevented. In addition, it is easy to process dust and second waste.
In the dust removal treatment chamber 10, a plurality of substantially L-shaped dust feed guide plates 47a for adjusting the transfer speed of the dust are provided as shown in FIGS. Each of the dust feed guide plates 47a is rotatably provided to the dust chamber casing 10b, and the connecting plate 47d is rotated by the speed change motor 41a via the connecting rod 46 to change and control the dust feeding angle. In this configuration, the transfer speed of the dust is controlled.

  Each of the dust feed guide plates 47a is provided with a lower support pin 47b so that the lower side of the dust supply guide plate 47a is rotatably provided to the dust removal chamber casing 10b, and an upper side of the dust supply guide plate 47a is provided with a movable plate 47d. The upper support pin 47c is provided so as to be rotatable in the hole 47f.

  The pinion gear 41c provided on the speed change motor shaft 41b of the speed change motor 41 and the rack gear 41d supported on the support pin 44a are engaged with each other. The support pin 44a is configured to pivotally support a support boss 45a provided on the plate 45b.

  The plate 45b is provided with the lower end portion of the connecting rod 46 pivotally supported by a support pin 45c, and the upper end portion is provided by being attached to a lower plate 46c provided on a support boss 46d pivotally supported on the support shaft 46b. It is a configuration. The support boss 46d is provided with an upper plate 46a, and a notch portion of the upper plate 46a is inserted into a receiving pin 47e portion of the connecting plate 47d.

  The speed of the dust removing cylinder 11a is controlled by the speed change motor 41, and the dust feed angle of each dust feed guide plate 47a is changed and controlled based on the amount of dust delivered, so that the dust delivery speed is changed. The configuration is controlled. The control component is configured to be provided on the outer side of the right side plate 3d of the threshing machine 3 as shown in FIG.

  The dust feed angle of the dust feed guide plate 47a is controlled based on the detection of the reverse / neutral forward movement in which the vehicle speed sensor 19b detects the vehicle speed of the traveling device 12 as shown in FIGS. The angle is controlled to be changed, and the transfer speed of the dust is changed.

  Based on the change of the traveling vehicle speed of the traveling device 12, the dust feed angle of the dust guide plate 47a is controlled to be changed, and the rotational speed of the dust exhaust cylinder 11a is simultaneously controlled to be changed to a predetermined rotational speed. At the time of low-speed operation, the configuration is such that the dust feed angle of the dust feed guide plate 47a is small and the rotational speed of the dust removal cylinder is controlled to a low speed. Further, at the time of high-speed operation, the configuration is such that the dust feed angle of the dust feed guide plate 47a is increased to the high number of revolutions of the dust removal cylinder. Moreover, it is good also as a structure which makes it variable from the intermediate speed area of forward speed.

  As a result, it is possible to achieve an appropriate degree of dust delivery according to the amount of dust, and to prevent overload in the dust treatment chamber 10. Moreover, although the amount of waste increases according to a vehicle speed, the overflow in the dust processing chamber 10 can be prevented by increasing the dust feeding angle. Furthermore, by simultaneously controlling the rotational speed of the dust removal cylinder 11a, it is possible to prevent damaged particles.

As shown in FIG. 1 and FIG. 2, the bristle grain collecting portion (b) formed between the middle rear plate 6 d and the rear rear plate 6 b of the handling chamber 6 has a left side on the handling port 7 d side. On the upper side of the inner surface of 3c, a predetermined gap is provided on the outer periphery of the handle 7b of the handle cylinder 7a to provide a guide plate 48a. The inner surface of the guide plate 48a is partitioned at predetermined intervals. A plate 48b is provided, and a tip support guide (guide) 48c is provided on the outer side surface of the rear plate 6d in the handling chamber in a substantially square shape in plan view. In ( b ), it is a configuration that removes the small grains that are fed to the cereal meal being transferred.

  Further, as shown in FIG. 1, the guide plate 48a is provided so as to be inclined at a predetermined angle from the inner surface of the lower left side plate 3c toward the inside of a predetermined dimension (L1). On the inside of the guide plate 48a, in the small grain collection part (b), a substantially L-shaped tip support guide 48c is inclined upward toward the left outside in a side view, and the rear plate 6d in the handling chamber as shown in FIG. The configuration is attached to the outer surface.

  As a result, the grain scraped off on the guide plate 48a flows down onto the swing sorting device 25 and is discharged, so that the grain is easily recovered. The bristle grains can be collected by the tip support guide 48c.

  As shown in FIG. 19, the dust removal drum 49 pivotally supported in the dust removal treatment chamber 10 of the threshing machine 3 is divided into a front dust removal drum 49a on the transfer start end side and a rear dust discharge drum 49b on the transfer end portion side. In addition to the two-divided configuration, the rear dust removal drum 49b is configured to be reversely rotatable.

In the dust removal processing chamber 10, each transfer guide plate 47 a that adjusts the transfer speed of the dust that is transferred through the dust removal processing chamber 10 by the transmission motor 41 a of the transmission 41 is provided.
Each of the transfer guide plates 47a is configured to change and control the transfer angle following the traveling vehicle speed of the traveling device 12. Simultaneously with this change control, the rotation speed of the reverse rotation portion of the rear dust removal drum 49b is changed and controlled.

  As shown in FIG. 20, the change control of the transfer angle of each transfer guide plate 47a controls the change of the transfer angle depending on whether the dry state of the cereal threshing is a standard dry state or an insufficiently dry wet material dry state. It is a configuration. Further, a drying changeover switch 20f for switching between a standard drying state and a wet material drying state is provided on the surface plate of the operating device 20a. From reverse to neutral, there is a constant transfer angle, and from neutral to forward, the change control is sequentially performed.

  The lower plate 46c to which the upper end portion of the connecting rod 46 is inserted and mounted is provided with a plurality of insertion holes as shown in FIG. 19 so that the transfer angle of the transfer guide plate 47a can be changed manually. .

  As a result, it is possible to prevent damage to the grains of the dust in the dust processing chamber 10. Moreover, clogging can be prevented by adjusting the transfer angle of each transfer guide plate 47a according to the dry state of the cereal. In addition, flexibility can be expanded by manually setting an arbitrary transfer angle.

  On the rear side of the grain storage tank 13 for discharging the grains stored in the grain storage tank 13 to the outside of the machine, a discharge support cylinder 49 equipped with a vertical transfer spiral 49a is rotatably mounted in a substantially vertical posture. At the upper end of the discharge support cylinder 49, a discharge auger 50 is provided which is extendable and retractable. The discharge auger 50 is provided with a discharge spiral 50a for extending the length of the combine 1 to the outside. It is the structure arrange | positioned in the front-back direction so that rotation and turning right and left are possible.

6 Handling chamber 6b Handling chamber rear plate 6c Handling chamber front plate 6d Handling chamber rear plate 6e Threshing supply port (supply port)
7a Handle cylinder 7b Teeth handle 7d Handle 10 Dust removal processing chamber 11a Dust removal cylinder 25 Oscillating sorting device 48c Tip support guide (guide)
B) Small grain recovery unit

Claims (2)

  A handling cylinder (7a) in which a large number of teeth (7b) are implanted is provided in the handling chamber (6), and a handling port (7d) is formed on the outer side of the handling chamber (6). A dust removal treatment chamber (10) having a dust removal drum (11a) is provided on the side opposite to the side on which the treatment opening (7d) is provided, and the treatment chamber (6) is provided in a rear portion in the treatment chamber. A supply port (6e) is formed between the front plate (6c) and the rear plate (6d) in the treatment chamber provided at a rear side of the front plate (6c) in the treatment chamber. 6) The threshing dust in the inside of the handling chamber (6) is supplied from the inside of the handling chamber (6) to the dust processing chamber (10) through the supply port (6e), and the handling supporting the handling cylinder (7a). A small grain recovery portion (b) is formed between the rear chamber plate (6b) that pivotally supports the rear end side of the trunk shaft (7) and the rear plate (6d) in the inner chamber. After threshing by the handle (7b) at the rear end of the handle (7a) at the part (b) Oscillating sorting device to remove grains that Sasa' the straw discharge (25) thresher, characterized in that it has a configuration in which flow down onto.   The threshing machine according to claim 1, wherein a guide (48c) is provided in the small grain recovery unit (b) to support the tip side of the scouring waste after threshing.

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