JP2007319067A - Thresher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thresher for a combine and a harvester, decreased in load and increased in screening performance. <P>SOLUTION: A thresher comprises a configuration comprising a threshing cylinder 31 in a threshing chamber 33, a discharged dust treating chamber 37 supporting, on one side of the threshing chamber 33, a discharged dust treating cylinder 35 receiving articles to be treated and from the threshing chamber 33 terminal end part, and treating, a treating chamber 59 axially supporting a treating cylinder 58 receiving and treating a part of the articles in the threshing chamber 33 and to be treated, a lower discharged dust treating chamber 54 axially supporting a lower treating cylinder 53 below the discharged dust treating chamber 37 and the treating chamber 59, and a shaking screen shelf 38 below the threshing chamber 33, the discharged dust treating chamber 37, the treating chamber 59 and the lower discharged dust treating chamber 54, wherein the outlet of a trailing grain elevating cylinder 48 is connected to an intermediate part of the lower discharged dust treating chamber 54 to return the trailing grain. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a threshing device mounted on a combine or a harvester.

  A handling cylinder is installed in the handling chamber, and a dust removal treatment chamber is installed on one side of the handling chamber. Below the processing chamber and the processing chamber is provided a lower dust removal chamber with a lower processing cylinder pivoted, and a swing sorting shelf is provided below the handling chamber, the dust removal processing chamber and the lower dust removal processing chamber, It is the structure which connects the exit of the 2nd cereal cylinder to the middle part of a processing room, and reduces the 2nd thing.

On the upper side in the grain transporting direction of the dust removal processing cylinder, there is no processing chamber in which a processing cylinder for taking in and processing a part of the processing object in the handling chamber is provided. (For example, refer to Patent Document 1).
JP 2005-110690 A

  In the technique as described above, when a large amount of cereals is thrown into the threshing apparatus, the handling chamber is filled with the object to be processed, and threshing selection with high accuracy cannot be performed. In addition, there is a problem that noise is generated due to the noise generated in the handling room.

  An object of the present invention is to provide a threshing apparatus capable of solving the above-described problems and performing threshing selection with high accuracy.

The above object of the present invention is achieved by the following configuration.
That is, according to the first aspect of the present invention, the handling cylinder 31 is provided in an axial manner in the handling chamber 33, and a waste from the processing chamber 33 is received and processed on one side of the handling chamber 33. A dust processing chamber 37 having a dust processing cylinder 35 as an axis is provided, and processing is performed by incorporating a part of the processing object in the handling chamber 33 on the upper side of the dust processing cylinder 35 in the grain conveying direction. A processing chamber 59 that pivots the cylinder 58 is provided. Below the dust processing chamber 37 and the processing chamber 59, a lower dust processing chamber 54 that pivots the lower processing cylinder 53 is provided. In the threshing apparatus in which the swing sorting shelf 38 is provided below the processing chamber 37, the processing chamber 59, and the lower dust removal processing chamber 54, the outlet of the second lifting cylinder 48 is connected to the middle portion of the lower dust removal processing chamber 54. Thus, the threshing apparatus is characterized in that the second product is reduced.

  According to the operation of the first aspect, the object to be processed in the handling chamber 33 falls on the swing sorting shelf 38 below, but does not fall on the swing sorting shelf 38 and reaches the end of the handling chamber 33. The material is taken into the dust processing chamber 37 and processed. A part of the object to be processed in the handling chamber 33 is taken into the processing chamber 59 and processed.

  And the to-be-processed object in the processing chamber 59 is conveyed toward the lower side in the grain conveying direction while being processed, and falls into the lower lower dust processing chamber 54 from the conveying terminal portion. In addition, the object to be processed in the dust disposal chamber 37 is conveyed toward the lower side in the grain conveying direction while being processed, and falls into the lower lower dust disposal chamber 54 during the conveyance. The remaining object to be processed that has not fallen into the lower dust disposal chamber 54 falls on the swing sorting shelf 38 below from the conveyance end portion.

The second item is reduced from the outlet of the second cereal cylinder 48 to the middle part of the lower dust removal processing chamber 54 that pivots the lower processing cylinder 53, and is processed while being conveyed forward.
In this way, the workpiece taken into the lower dust disposal chamber 54 is transported toward the lower side in the grain transporting direction, and falls onto the lower swing sorting shelf 38 from the transport end portion.

  In the second aspect of the present invention, the processing means 60 is provided on the outer peripheral portion of the processing cylinder 58, the processing means 53a is provided on the outer peripheral portion of the lower processing cylinder 53, and the periphery of the tip of the processing means 53a on the outer peripheral portion of the lower processing cylinder 53 is provided. 2. The threshing apparatus according to claim 1, wherein the threshing device is configured such that the peripheral speed of the front end portion of the processing means 60 at the outer peripheral portion of the processing cylinder 58 is increased with respect to the speed.

  The action of the second aspect is the same as that of the first aspect. In addition to the action of the first aspect, the object to be processed in the processing chamber 59 is processed at a high speed. And is sent into the lower dust disposal chamber 54 below.

  Since the present invention is configured as described above, in the first aspect of the present invention, a part of the processing object in the handling chamber 33 is taken into the lower dust disposal chamber 54, so that the load on the handling cylinder 31 is reduced. It is reduced and threshing with high accuracy cannot be performed. Further, since the amount of the object to be processed in the handling chamber 33 is reduced, the inside of the handling chamber 33 can be prevented from becoming full, and the generation of a rattling sound can be prevented. Thereby, it becomes possible to prevent the transmission system of the handling cylinder 31 from being damaged.

  In the second aspect of the invention, in addition to the effect of the first aspect, a part of the object to be processed in the processing chamber 59 is accelerated by the rotational force of the processing cylinder 58, and therefore into the lower dust processing chamber 54. Incorporation efficiency is improved.

1 and 2 show a combine that is an agricultural machine that embodies the present invention.
A cutting device 3 is provided in front of the chassis 2 having the traveling device 1. The cutting device 3 includes a plurality of weeding tools 4 for weeding the planted cereal, a plurality of pulling devices 5 for causing the planted cereal, a cutting blade 6 for harvesting the planted cereal, and the cutting blade A conveying device 7 is provided which sandwiches the grain culm cut at 6 and conveys it to the rear. The conveying device 7 includes a stock transport device 8 behind the cutting blade 6 and a supply transport device 10 that takes over the cereal straw transported from the stock transport device 8 and supplies it to the threshing device 9.

  The reaping device 3 is supported by a reaping device support frame 12 that moves up and down about a rotating shaft 11a provided above a suspension base 11 standing on the front portion of the chassis 2 at its substantially left and right intermediate portions. . The reaping device 3 is configured to move up and down together with the reaping device support frame 12 by tilting a steering lever 14 provided in the operation unit 13 in the front-rear direction.

  Above the chassis 2, the threshing device 9 having a feed chain 15 that takes over and transports the cereals conveyed from the supply conveying device 10, and the right side of the threshing device 9, A grain tank 16 that temporarily stores the grain that has been threshed and an operation unit 13 that is positioned in front of the grain tank 16 and that performs various operations of the combine are mounted. A traveling transmission device 17 that drives the traveling device 1 is provided at the front of the chassis 2.

  Behind the threshing device 9 is a waste chain 18 that takes over and transports the waste that has been transported from the feed chain 15, and a cutter device 19 that cuts the waste after the end of the waste chain 18. Is provided. Moreover, you may mount | wear with other working machines, such as a knotter which binds a waste, behind the cutter apparatus 19 of this Example.

  When the grain amount in the Glen tank 16 is full, the grain is discharged from the milled cylinder 20 and the grain discharge auger 21 to the outside of the machine. The whipping cylinder 20 is configured to be turnable by an electric motor (not shown), and the grain discharge auger 21 is configured to be moved up and down by a hydraulic cylinder 22. And the grain discharge auger 21 is connected with the upper part of the whipping cylinder 20, and is comprised integrally, and when the whipping cylinder 20 turns, the grain discharge auger 21 also turns together.

  Further, the combine determines the position of the sub-shift in the travel transmission device 17 by operating the sub-transmission lever 23 provided in the operation unit 13, and then operates the travel shift lever 24 to drive power from the engine (not shown). Is transmitted to the left and right crawlers 26 and 26 of the traveling device 1 via the hydraulic continuously variable transmission and the traveling transmission device 17 to travel at an arbitrary speed. As described above, the speed is changed by the operation amount of the traveling speed change lever 24, and the combine is moved forward and backward by the forward and backward operations of the traveling speed change lever 24.

  The combine is configured to turn left and right by tilting the steering lever 14 provided in the operation unit 13 in the left-right direction, and further, the turning radius depends on the amount of tilting operation of the steering lever 14 in the left-right direction. It is a configuration to be determined.

  When the harvesting operation is performed by advancing such a combine, the cereals planted in the field scene are weeded by the weeding tool 4, and then caused by the pulling device 5 and by the cutting blade 6. It is a structure that is reaped. Thereafter, the harvested cereals are transported rearward by the stock transporter 8 and are handed over to the supply transporter 10. The cereal that has been handed over to the supply and transport device 10 is further transported rearward and is handed over to the feed chain 15 of the threshing device 9, and the cereal is transported rearward by the feed chain 15 to the threshing device 9. And threshing and sorting.

  The grain thus threshed and sorted is transported from the first lifting cylinder 27 into the Glen tank 16 and temporarily stored, and when the amount of grain stored in the Glen tank 16 is full, the operation unit In this configuration, 13 notification means (buzzer or display device) notify the operator. Thereafter, the cutting operation is interrupted, and the operation for discharging the grains in the Glen tank 16 to the outside of the machine is started. The combine is moved to an arbitrary position (position near the truck), the grain discharge auger 21 is detached from the auger receiver 28, and the grain discharge port 21a is moved to a position such as a truck bed. Then, the grain discharge lever 29 provided in the operation unit 13 is turned on, the grain in the Glen tank 16 is discharged to the outside of the machine, and when the grain discharge in the Glen tank 16 is finished, the grain discharge auger Reference numeral 21 denotes a configuration in which the auger receiver 28 is housed again.

FIG. 3 is a side view of the threshing device 9, and FIG. 4 is a plan view of the threshing device 9.
In the threshing device 9, a handling chamber 33 in which a handling cylinder 31 having a handling net 30 is mounted on a handling cylinder shaft 32, and a processed material from the rear of the handling chamber 33 is received on one side of the handling chamber 33. A dust removal treatment chamber 37 is provided in which a dust removal treatment cylinder 35 having a dust treatment network 34 to be processed is mounted on a dust removal treatment cylinder shaft 36. A swing sorting shelf 38 is provided below the handling chamber 33 and the dust removal processing chamber 37. 33a is a discharge port provided at the end of the handling chamber 33.

  A second processing chamber 41 including a second processing drum 39 and a second processing drum receiving rod 40 (which may be a net or a lattice) may be formed in front of the dust removal processing drum 35. In the present embodiment, the second processing cylinder 39 is one side (the Glen tank 16 side) of the handling cylinder 31 and is integrally formed with the dust processing cylinder 35 in front of the dust processing cylinder 35. The second processing cylinder 39 basically processes a second product. Since the second processing cylinder 39 is supported by the second processing cylinder shaft 42, the dust processing cylinder 35 and the second processing cylinder 39 are integrated with the dust processing cylinder shaft 36 and the second processing cylinder 39. The structure is supported by the processing cylinder shaft 42.

  Further, FIG. 5 is a cross-sectional view taken along the line AA shown in FIG. 4. Since the workpiece leaked from the handling net 30 is taken into the second processing chamber 41, the second processing cylinder 39 is In addition to the second object, the object to be processed that has entered from the inside of the handling chamber 33 is also processed. The handling net 30, the second treatment cylinder receiving rod 40 (which may be a net or a lattice), and the dust treatment net 34 are provided below the treatment cylinder 31, the second treatment cylinder 39, and the dust treatment cylinder 35, respectively. Yes.

  Below the handling chamber 33, the second processing chamber 41, and the dust removal processing chamber 37, an oscillating sorting shelf 38 that receives and sorts the falling objects to be sorted is installed. Is provided with a tang 43 on the start side of the sorting air feed direction, and an air passage 44 and an air passage 45 are provided on the lower side of the sorting air sent from the tang 43 in the feeding direction. The first spiral 46 is provided on the lower side of 44 and the air passage 45, and the second spiral 47 is provided on the lower side of the first spiral 46 in the sorting wind feed direction. A second lifting cylinder 48 is provided for lifting the second thing collected in the second helix 47 to the second processing chamber 41.

  The configuration of the swing sorting shelf 38 will be described. The swing sorting shelf 38 includes, in order from the start side in the sorting and feeding direction, a transfer shelf 49 for transferring the fallen cereals backward, a grain sheave 38a for sorting the cereals, a chaff sheave 38b for sorting the second thing, and dust. It is composed of a Strollac 38c that loosens and collects the scorpion grains and transports and discharges dust. Below the Strollac 38c is constituted by a second shelf tip 47a for guiding the second item into the second spiral 47, and the dust removal processing cylinder 35 extends to the vicinity of the terminal end of the second shelf tip 47a. It is the composition which has taken out. The suction fan 51 is for discharging light dust in the sorting chamber 50 to the outside of the machine, and is provided at a position facing the dust removal processing cylinder 35 with respect to the handling cylinder 31. Reference numeral 52 denotes a crankshaft that drives the swing sorting shelf 38 to swing.

  The cereals conveyed from the reaping device 3 are taken over by the start end of the feed chain 15 of the threshing device 9, and the cereals inherited by the feed chain 15 are transported rearward while It is threshed by the handling net 30. A part of the threshed threshing falls on the swing sorting shelf 38 and is sorted by the swinging action of the swing sorting shelf 38 and the wind sorting action from the Kara 43 and is taken into the spiral 46 first. Accordingly, the grain taken into the first spiral 46 is configured to be temporarily stored in the glen tank 16. After the threshing, the waste is handed over from the terminal end of the feed chain 15 to the start end of the waste chain 18 and then sent to the cutter 19 where it is cut and released onto the lower field. It has become.

  The remaining threshing in the handling chamber 31 is conveyed rearward, and a part of the threshing is taken into the second processing chamber 41 along the way. The threshing taken into the second processing chamber 41 is threshed by the interaction between the second processing cylinder 39 and the second processing cylinder receiving rod 40 (particularly, branch branch) The particles are processed) and fall onto the lower swing sorting shelf 38. The handling cylinder 31, the second processing cylinder 39, and the dust removal processing cylinder 35 are configured to rotate clockwise in a situation (a front view of the threshing device 9) when the lower side is viewed from the upper side in the sorting wind feed direction. Therefore, it is necessary to fix the direction of the processing teeth 39a of the second processing cylinder 39 in such a direction as to send the cereals in the upper direction of the sorting wind feed direction.

  That is, the processing teeth 39a have an action of conveying the workpiece to the upper side in the sorting air feed direction, and further have an action of processing the workpiece. That is, the processing tooth 39a is a part of a spiral, and is configured to process the object to be processed by the interaction between the circumferential tip portion thereof and the second processing cylinder receiving rod 40. The blades 39b provided at the conveying terminal end of the second processing cylinder 39 forcibly send the workpiece to the swing sorting shelf 38.

  The dust removal processing teeth 35a of the dust removal processing cylinder 35 need to be fixed in such a direction as to send the cereal from the rear part of the handling chamber 33 in the lower direction of the sorting wind feed direction. In the present embodiment, the dust removal treatment teeth 35 a have a spiral shape that is wound around the outer peripheral surface of the dust removal treatment cylinder 35.

  However, in this embodiment, since the dust disposal mesh 34 is rough (lattice), some short sawdust falls on the swing sorting shelf 38, and long sawdust that has not fallen is dust. It is transported to the end portion of the processing chamber 37 and is forcibly discharged onto the strola rack 38 c by the blade 35 b at the end portion of the dust removal processing cylinder 35. While the object to be processed is thus transported in the dust processing chamber 37, the dust processing cylinder 35, the processing teeth 35 c provided with the dust processing cylinder 35 and the dust processing net 34 are provided. Through the interaction, the threshing is further loosened, the threshing is loosened and the grains (so-called scorpion grains) mixed in are taken out and fall on the lower swing sorting shelf 38, and It is configured to be collected into the spiral 47.

  As described above, the remaining cereal that has not fallen on the swing sorting shelf 38 due to cerealing in the processing chamber 33 and that has not been taken into the second processing chamber 41 is conveyed to the end of the processing chamber 33. It will be done. The threshing that has been transported to the end of the handling chamber 33 is taken into the dust removal processing chamber 37, and the taken-in threshing is transported to the lower side in the sorting wind feed direction. Of the threshing that has been transported to the end of the handling chamber 33, the threshing that has not been taken into the dust disposal chamber 37 falls on the swinging sorting shelf 38 below.

  When the cereal is sent from the end portion in the handling chamber 33 into the dust removal processing chamber 37, the dust removal treatment cylinder is also provided at the takeover portion from the handling chamber 33 to the dust removal treatment chamber 37 so that the cereal removal is not clogged. Spiral-shaped dust removal processing teeth 35a are provided on the outer periphery of 35, and the take-off portion is prevented from being clogged by the feeding action of the dust removal processing teeth 35a.

  In spite of the swinging action of the swinging sorting shelf 38 and the action of the sorting wind from the red pepper 43, the remaining grains that are not taken into the spiral 46 are further collected together with other dusts. It is sent to the rear and taken into the second spiral 47. The second product taken into the second spiral 47 is reduced to the lower side in the sorting air feed direction of the second processing chamber 41 by the second lifting cylinder 48 and merged with the cereal from the handling chamber 33. Then, while being transported to the upper side of the sorting wind feed direction, it is transported while being threshed by the interaction with the second processing barrel receiving rod 40, and is placed on the lower swing sorting shelf 38 by the blade 39b at the end portion. It is the composition that falls forcibly.

  A lower dust removal treatment chamber 54 that pivots a lower treatment drum 53 is provided below the dust removal treatment drum 35 (FIG. 6). The lower processing cylinder 53 is configured to be provided from the start end of the handling cylinder 31 to the end of the dust removal processing cylinder 35. Further, the front of the dust removal processing cylinder 35 is constituted by a processing cylinder 58, and the outer peripheral portion of the processing cylinder 58 is constituted by a continuous spiral 60 having a processing function. A part of the processing object in the processing chamber 33 is dropped and taken into the processing cylinder 58. An object to be processed in the processing chamber 59 that pivots the processing cylinder 58 is transported from the front side to the rear side, and sent from the dropping port 62 into the lower dust removal processing chamber 54.

  Further, although the net 61 is provided below the processing cylinder 58, the mesh may be configured to be different between the front side and the rear side. Further, the front side portion of the net 61 may be perforated (with holes), and the rear side portion of the net 61 may be configured without holes (without holes).

  The second lifting cylinder 48 in this embodiment is configured to be connected to the middle part of the lower dust disposal chamber 54 to reduce the second thing. Then, the second product reduced to the middle part of the lower dust removal processing chamber 54 is processed while being conveyed forward by the lower processing cylinder 53, but in the middle of this process, the processing is centered on the processing cylinder 58. The object to be processed falling from the chamber 59 and the object to be processed falling from the handling chamber 33 merge. Then, it falls on the transfer shelf 49 of the swinging sorting shelf 38 below from the reducing port 54a.

  Since the processing teeth 53a of the lower processing cylinder 53 are made of continuous spiral, even a large amount of objects to be processed can be conveyed without clogging. In addition, the lower processing cylinder 53 is formed of a non-hole receiving rod 56, so that the treatment of the branch infarct is promoted.

  In addition, for the receiving rod 56, the front portion of the lower processing cylinder 53 (helical processing teeth 53a portion) is perforated (with holes), and the rear portion of the lower processing cylinder 53 (non-continuous processing teeth 57 portion). About, you may comprise by a non-hole (no hole).

  In the lower processing cylinder 53, the lower part of the dust processing cylinder 35 is constituted by discontinuous processing teeth 57. The object to be processed that has fallen from the dust removal processing cylinder 35 is taken into the rear part of the lower processing cylinder 53 and processed by the processing teeth 57 while being conveyed forward. It is the structure which joins.

As for the front side portion of the lower processing cylinder 53, part of the processing objects in the processing chamber 59 and the processing chamber 33 also drop and join together, so that the processed objects after merging are mixed and processed.
And the rotational speed of the front-end | tip part of the process spiral 60 of the said process cylinder 58 is comprised faster than the rotation speed of the front-end | tip part of the process tooth | gear 53a of the lower process cylinder 53. FIG. As a result, the object to be processed in the processing chamber 59 on which the processing cylinder 58 is pivoted is accelerated and sent to the lower dust removal processing chamber 54 below. Thereby, even if it comprises the whole threshing apparatus compactly, it becomes possible to process a large amount of cereals, and while being able to prevent third scattering, the sorting performance is also improved.

  Further, when the rotational speed of the front end of the processing spiral 60 of the processing cylinder 58 is slower than the rotational speed of the front end of the processing teeth 53a of the lower processing cylinder 53, the processing action in the lower processing cylinder 53 is improved. To come.

  FIG. 7 shows a state in which the threshing apparatus is viewed from the front, and shows the positional relationship of the handling cylinder 31, the processing cylinder 58, the dust removal processing cylinder 35, and the lower processing cylinder 53. The processing cylinder 58 and the dust removal processing cylinder 35 are configured coaxially as described above, and are provided on the side of the grain tank 16 of the handling cylinder 31. The lower processing cylinder 53 is disposed below the processing cylinder 58 and the dust removal processing cylinder 35 and slightly closer to the handling cylinder 31 side. This is to make it easier for the object to be processed from the handling chamber 33 to enter the processing chamber 59. Moreover, all the rotation directions are rotating in the P direction.

  8 is basically the same as the configuration of FIG. 6, but the processing teeth 63 of the processing cylinder 58 are configured to be discontinuous (not continuous spiral). As an embodiment in this case, the feeding action of the processing cylinder 58 is slightly reduced, but the processing action of the workpiece is improved. Therefore, efficient work can be performed by selecting the type of treated tooth according to the type and region.

  The lower part of the lower processing cylinder 53 is basically constituted by a non-hole receiving rod 56, but the section of the lower part of the handling cylinder 31 is constituted by a perforated receiving net 56a, and the lower part of the dust processing cylinder 35 This section may be constituted by a non-hole receiving rod 56b. As a result, it is possible to prevent clogging or the like associated with an increase in the number of objects to be processed at the transfer end portion of the lower processing cylinder 53.

Combine left side view Combine front view Side cross section of threshing device Top view of threshing device Cross section of threshing device front Side cross section of threshing device Front view of threshing device Side cross section of threshing device

Explanation of symbols

DESCRIPTION OF SYMBOLS 9 Threshing apparatus 30 Handling net 31 Handling cylinder 33 Handling chamber 35 Dust removal processing cylinder 37 Dust removal processing chamber 38 Swing selection shelf 48 Second lifting cylinder 53 Lower processing cylinder 53a Processing means (processing tooth)
54 Lower dust removal processing chamber 58 Processing cylinder 59 Processing chamber 60 Processing means (processing spiral)

Claims (2)

  A dust removal process in which a handling cylinder (31) is provided in a shaft in the handling chamber (33), and an object to be processed is received from one end of the handling chamber (33) on one side of the handling chamber (33). A dust disposal chamber (37) having a cylinder (35) as a shaft is provided, and a part of the object to be processed in the handling chamber (33) is provided on the upper side of the dust disposal cylinder (35) in the grain transport direction. A processing chamber (59) is provided in which a processing cylinder (58) for processing is taken in, and a lower processing cylinder (53) is mounted below the dust removal processing chamber (37) and the processing chamber (59). A lower dust removal treatment chamber (54) is provided, and the swing sorting shelf (38) is provided below the handling chamber (33), the dust removal treatment chamber (37), the treatment chamber (59), and the lower dust removal treatment chamber (54). In the threshing apparatus provided with the above, the outlet of the second lifting cylinder (48) is connected to the middle part of the lower dust removal treatment chamber (54) to reduce the second thing. That threshing apparatus.   The processing means (60) is provided on the outer peripheral portion of the processing cylinder (58), the processing means (53a) is provided on the outer peripheral portion of the lower processing cylinder (53), and the processing means (53a) on the outer peripheral portion of the lower processing cylinder (53). The threshing apparatus according to claim 1, wherein the peripheral speed of the processing means (60) of the outer peripheral portion of the processing cylinder (58) is increased with respect to the peripheral speed of the front end portion.

Images