JP5584644B2 - Handling cylinder for threshing equipment - Google Patents

Description

  The present invention is configured to thresh the cereals supplied to the handling chamber by being driven and rotated, and is arranged in a posture along the rotation axis direction and arranged at intervals in the circumferential direction. Threshing provided with a rod-shaped member, wherein each of the rod-shaped members protrudes radially outward and is lined up at intervals in a direction along the rotational axis. The present invention relates to a handling cylinder for an apparatus.

  In the handling barrel for the threshing device, conventionally, a round pipe member is used as the rod-shaped member, and a round bar member is used as the tooth-treating member, so that the rod-shaped member made of the round pipe member is perpendicular to the axial direction. A through-hole is formed in the hole, and the handle is inserted into the center of the rod-shaped member through the through-hole and the handle is fixed to the rod-shaped member by welding or screw fastening. (For example, see Patent Document 1).

JP 2008-178417 A

  In the above-described conventional configuration, when the handle barrel is manufactured, after the drilling operation for forming a large number of through holes for attaching the handle teeth to the rod-shaped member, the tooth handle fixing operation for fixing the handle teeth to the rod-shaped member must be performed. In other words, separate operations of drilling and tooth handling are required, which takes time for processing, and there is a disadvantage that the cost increases accordingly.

  An object of the present invention is to provide a handling cylinder for a threshing apparatus that can reduce costs by reducing the labor of processing during production.

The handling cylinder for the threshing apparatus according to the present invention is configured to thresh the cereals supplied to the handling chamber by being driven to rotate, and has a posture along the rotation axis direction and is spaced in the circumferential direction. A plurality of rod-shaped members are provided in a state of being spaced apart from each other, and a plurality of rod-shaped members are provided in a state of projecting radially outward from each of the rod-shaped members and in a state of being spaced apart in a direction along the rotation axis. The tooth handling is attached, and the first characteristic configuration is that the tooth handling is in a state of being aligned with the rod-shaped member in the rotation direction and protruding from the surface of the rod-shaped member in the rotation direction. In this point, it is fixed to the surface by welding.

  According to the first characteristic configuration, since the tooth handling is attached in a state of being welded and fixed to the surface of the rod-shaped member, a hole machining operation for forming a through hole for inserting the tooth handling into the rod-shaped member is unnecessary. In producing the handle cylinder, it can be handled only by the tooth handling fixing work of welding the tooth handling to the surface of the rod-shaped member.

  Accordingly, it has become possible to provide a handling cylinder for a threshing apparatus that can reduce the cost of processing at the time of manufacturing the handling cylinder and reduce the cost.

The second characteristic configuration of the present invention is that, in addition to the first characteristic configuration, the surface is formed in a straight line in the longitudinal direction of the rod-shaped member.

  According to the second characteristic configuration, since the surface of the bar-shaped member is formed as a flat surface, positioning the tooth-handling is easy if the tooth-handling is applied to the surface made of the flat surface of the bar-shaped member and welded. Thus, it is possible to improve the assembly workability.

The third characteristic configuration of the present invention, in addition to the first characterizing feature and the second feature structure, the surface is positioned in the rotational direction downstream side of said rod-like member, said扱歯is welded to the surface It is in a fixed point.

  According to the third characteristic configuration, the surface of the rod-like member located on the lower side in the rotational direction is a portion that collides with the cereals supplied to the handling chamber when the handling cylinder is rotationally driven. Since the tooth handling is fixed to the surface located on the lower side by welding, a protrusion is formed on the surface of the rod-like member by the tooth handling.

  In this way, the threshing action is performed on the cereals by the surface on which the protrusions in the bar-shaped member are formed, so that the threshing action on the cereals by the bar-shaped member is stronger than when threshing on the flat surface. Therefore, the threshing performance can be improved accordingly.

According to a fourth characteristic configuration of the present invention, in addition to any of the first characteristic configuration to the third characteristic configuration, the rod-shaped member is a pipe material, and the surface is an outer peripheral surface of the pipe material .

According to a fifth characteristic configuration of the present invention, in addition to the fourth characteristic configuration, the pipe material is a square pipe material, and the surface is one surface of the square pipe material.

It is a whole side view of a combine. It is a whole top view of a combine. It is a vertical side view of a threshing apparatus. (A) is a figure which shows the vertical front view of a rod-shaped member, (b) is a partial perspective view of the rod-shaped member provided with the handle. It is a vertical front view of a threshing apparatus. It is a disassembled perspective view of a receiving net. It is a vertical side view of a receiving net. It is a perspective view of the support part in the open state of a side part cover. It is a vertical front view of the handling cylinder of another embodiment.

Hereinafter, the case where the barrel for the threshing apparatus according to the present invention is applied to the threshing apparatus of a full throw type combine combiner will be described with reference to the drawings.
FIG. 1 shows an overall side view of an all-throw-type combine that harvests rice, wheat, and the like. This combine is equipped with an engine 2 and an unillustrated transmission on a vehicle body frame 1. A pair of left and right crawler type traveling devices 3 driven by the power from the engine 2 transmitted via a transmission or the like is provided at the lower part of the frame 1, and the planted cereal to be harvested at the front part of the body frame 1. The harvesting and transporting device 4 that harvests and transports the straw toward the rear is connected so as to be able to swing up and down, and the left half of the body frame 1 is subjected to a threshing process on the harvested cereal meal from the harvesting and transporting device 4, The threshing device 5 that performs the sorting process on the processed product obtained by the threshing process is mounted, and the grain from the threshing device 5 is stored in the right half of the body frame 1 and the stored grain bag. Equipped with a bagging device 6 that enables filling It is configured to include a driver's section 7 in front portions of the bagging apparatus 6 of the body frame 1.

  As shown in FIGS. 1 and 2, the cutting and conveying device 4 is configured so that the dividers 9 provided at the left and right ends of the front portion of the cutting and transporting device are used to harvest the planted cereal and the planted cereal to be harvested. The rotating reel 10 arranged in the upper part of the front part of the planted cereal was scraped toward the rear of the harvested cultivated cereal part distributed by the left and right dividers 9 and equipped at the bottom. The clipper-shaped cutting mechanism 11 cuts the planted side of the planted culm to be harvested, and the auger 12 deployed behind the cutting mechanism 11 removes the harvested cereal culm after cutting by the cutting mechanism 11 in a predetermined position in the left-right direction. The feeder 13 composed of a conveyor that extends from the predetermined location to the front upper part of the threshing device 5 conveys the harvested cereal meal from the auger 12 toward the threshing device 5. Is configured as

As shown in FIGS. 3 and 5, the threshing device 5 has a handling cylinder 16 that rotates in a handling chamber 14 formed in the upper part thereof with a support shaft 15 that is laid in the conveying direction of the harvested cereal rice cake as a fulcrum. And a receiving net 17 formed in an arcuate shape located below the handling cylinder 16, and a discharge port 18 is formed at a location on the rear side of the machine body of the handling chamber 14.
Below the receiving net 17, the swing sorting mechanism 19 that sorts the processed material leaked from the receiving net 17, the red pepper 20 that blows the wind for sorting, and the grains selected by the swing sorting mechanism 19 A first recovery unit 21 for recovery, a second recovery unit 22 for recovering a second thing that is a mixture of grain and bran waste, etc. are provided. A discharge port 23 is formed for discharging the fine straw scraps and the like.

  The handling chamber 14 is partitioned and formed by a receiving net 17 that covers the handling cylinder 16, a top plate 24, and the like, a supply port 25 is formed at a lower part of the front end, and the rear end of the feeder 13 is connected to the supply port 25. The whole of the harvested cereal meal conveyed by the feeder 13 is input and supplied from the supply port 25 as a threshing processed product.

  On the inner surface of the top plate 24, a plurality of feeds for guiding the threshing processed material conveyed to the upper portion of the processing chamber 14 toward the lower side (the rear side of the machine body) in the processing material transfer direction as the handling cylinder 16 rotates. Dust valves 49 are provided in a state of being arranged at a predetermined interval in the front-rear direction.

  The handling cylinder 16 is constructed so that the support shaft 15 is rotatably mounted on the front wall 26 and the rear wall 27 of the threshing device 5 and is rotated about the support shaft 15 by the power from the engine 2. Threshing processing is performed on the harvested cereal meal supplied to the chamber 14 and guided by the dust feed valve 49 to move the processed material from one end side to the other end side in the rotational axis direction, in other words, from the front side of the machine body to the rear side of the machine body. It is comprised so that a threshing process may be performed, conveying toward.

  The receiving net 17 is a concave receiving net formed in a lattice shape, receives the harvested cereal meal supplied to the handling chamber 14, assists the threshing process of the handling cylinder 16 with respect to the harvested grain meal, and is obtained by the threshing process. Swaying selection mechanism such as threshing cereal slag while letting single cerealized grain, grain with branch stem or straw scraps generated by threshing process leak to downward swinging selection mechanism 19 Prevent leakage to 19.

  The swing sorting mechanism 19 includes a rough sorting grain pan 30, a chaff sheave 31, and a stroll rack 32 on the sheave case 29 that is driven to swing back and forth by a cam type drive mechanism 28. In the lower part, a grain pan 33 and a grain sieve 34 for fine selection are provided. And the sorting processed material leaked from the receiving net 17 in a state where single grains and straw scraps are mixed is received by the upper grain pan 30, chaff sheave 31 or Strollack 32, and coarse sorting processing by sieve sorting is performed. The processed material leaked from the chaff sheave 31 in a state where a single grain or a grain with branch stems is mixed is received by the lower grain pan 33 or the grain sieve 34 and subjected to a fine sorting process by sieving. And sort the processed products into single-grained grains (first thing), mixed grains (branch) such as grain with branches and straw scraps, and dust such as fine straw scraps .

  The carp 20 is rotated to generate a sorting wind, and the sorting wind is supplied toward a sorting process product that has leaked from the receiving net 17 or a sorting process product that is sorted by the swing sorting mechanism 19. Thus, wind sorting processing is performed on the sorting processed product, and straw scraps having a small specific gravity are blown out from the sorting processed product and conveyed toward the lower side of the threshing processing direction, that is, toward the discharge port 23 on the rear side of the machine body. .

  The first collecting unit 21 collects single-grained grains that have leaked from the grain sieve 34 of the swing sorting mechanism 19 in a state where dust such as straw scraps has been removed by the sorting wind from the tang 20 It is comprised so that a granulated grain may be conveyed to the lateral side outward of the threshing apparatus 5 with the 1st screw | thread 36 arrange | positioned in the left-right direction at the bottom part. Moreover, the conveyed grain is conveyed toward the grain tank 40 with which the upper part of the bagging apparatus 6 was equipped with the lifting screw (not shown).

  The second collection unit 22 collects a mixture (second product) such as grain with brackish seeds and straw scraps selected by the rocking sorting mechanism 19, and uses the second screw 38 to thresh the collected mixture. It is comprised so that it may convey to 5 lateral side outward. Further, the conveyed mixture is configured to be returned to the swing sorting mechanism 19 after performing a threshing process by a reprocessing unit (not shown).

  As shown in FIG. 3, the handling cylinder 16 includes a scraping portion 16A equipped at the front end portion thereof, and a threshing processing portion 16B connected to the rear end of the scraping portion 16A. On the outer peripheral surface of the scraping portion 16A, two spiral blades 43 are integrated into the chopping cereal supplied from the supply port 25 toward the rear threshing processing portion 16B when the handling cylinder 16 is rotated. Equipped.

As shown in FIGS. 3 and 5, the threshing processing portion 16 </ b> B includes a first plate 44 welded and fixed to the front portion of the support shaft 15, a second plate 45 welded and fixed to the front and rear intermediate portions of the support shaft 15, and the support shaft. A third plate 46 welded and fixed to the rear end portion of the 15, and six rod-like members 47 arranged in a state of being arranged in the circumferential direction of the handling cylinder 16 at a predetermined interval in a front-and-back orientation along the rotation axis direction. And a plurality of teeth-handlings 48 mounted on each bar-like member 47 so as to protrude outward in the radial direction of the treatment cylinder 16 and arranged in the processing material transfer direction (front-rear direction) with an interval. ing.

  Each of the plates 44 to 46 has a circular shape centered on the support shaft 15, and each rod-like member 47 is bolted to the outer peripheral side of the plate 15 at an equal distance from the support shaft 15. The rod-shaped members 47 are integrally connected to form a substantially cylindrical handling cylinder 16.

  As shown in FIGS. 4 and 5, the rod-shaped member 47 is formed in a rectangular square pipe shape, and the rotation direction Q of the handling cylinder 16 among the four surfaces formed on the flat surface of the rod-shaped member 47. A tooth 48 formed of a round bar member is welded and fixed to a surface 47A located on the lower side (see FIG. 5). That is, the teeth 48 are fixed by welding in a state where the longitudinal direction is along the radial direction of the cylinder 16 and the outer peripheral surface on the base end side is abutted against the surface 47A of the rod-shaped member 47. The teeth 48 are in contact with each other over a long range over the entire width or substantially the entire width of the surface 47A of the rod-shaped member 47, and the entire contact area 48 has a long contact range at each of the front portion and the rear portion of the teeth 48. Welding is performed in the region or almost the entire region, and has sufficient durability.

As shown in FIG. 3, the tooth handling 48 corresponds to the rear end side in the front-rear direction of the machine body (end side in the transfer direction of the threshing product), specifically, the rear side in the front-rear direction of the machine body relative to the second plate 45. Then, the position corresponding to the front end side in the front-rear direction of the machine body (the start end side in the transfer direction), specifically, the direction along the barrel rotation axis from the front side in the front-rear direction of the machine body relative to the second plate 45 (the front-rear direction of the machine body) It is attached to the rod-shaped member 47 in a state where the interval at is narrow.
By configuring in this way, on the conveying start end side where a large number of grains are agglomerated, the interval is widened to reduce the number of teeth 48 as much as possible, thereby simplifying the configuration and reducing the driving load. As shown in the figure, on the conveyance end side where many grains have already been threshed, the interval between the tooth handling 48 is narrowed to increase the frequency of the hammering action by the tooth handling 48, and between the processed products such as shed stalks The grains to be included are separated so that a good threshing action can be exerted.

  The handling cylinder 16 is arranged such that a plurality of teeth 48 protruding outward are arranged at intervals in the circumferential direction and the front-rear direction of the threshing processing unit 16B, and the inside of the threshing processing unit 16B. The space S communicates with the space on the outer side of the handling cylinder 16 in the handling chamber 14 and allows the threshing processed material to enter the inner space S. As a result, at the time of the rotation operation of the barrel 16, the threshing processed product on the outer peripheral side and the threshing processed product that has entered the internal space S are agitated, and the rod-shaped member 47 and the tooth handling 48 are applied to these threshing processed products. Threshing processing is performed by hitting or punching. That is, when the handling cylinder 16 is rotated, not only the plurality of teeth 48 but also the six rod-shaped members 47 forming the threshing processing part 16B of the handling cylinder 16 function as members that act on the threshing processed product. Therefore, the threshing performance can be improved.

  Further, the internal space S of the threshing processing unit 16 </ b> B communicates with the outside of the handling cylinder 16 in the handling chamber 14, so that even when a large amount of the harvested cereal meal is supplied to the handling chamber 14, the handling cylinder 16. In addition to the outer space, the internal space S of the threshing processing unit 16B can be effectively used as a processing space for threshing processing.

  A side cover 50 covering the left side of the handling chamber 14 is supported by a first support frame 51 located on the left side of the machine body so as to be able to open and close and swing freely around the longitudinal axis on the rear side of the machine body (one end side in the axial direction of the handling cylinder 16). When the side cover 50 is swung around the vertical axis to open the handling chamber 14, an inspection opening K is formed. The receiving net 17 can be detached from the inspection opening K for maintenance.

  The side cover 50 is formed to be long in the front-rear direction, and in order to prevent the swing end side from slightly tilting downward due to a cantilever load caused by rattling and weight of the pivot portion, the swing end side is The support structure is configured so as to face slightly upward in advance.

That is, as shown in FIG. 8, the side cover 50 is located on the side cover 50 side with respect to the pair of upper and lower support arms 65 a and 65 b formed on the vertical frame 64 connected to the rear portion of the first support frame 51. A pair of upper and lower support brackets 66a and 66b provided on the vertical support pins 67a. It is pivotally connected by 67b. Then, as shown in FIG. 1, the upper pivot pin 67a of these two upper and lower pivot pins 67a and 67b is displaced rearward by a predetermined amount with respect to the lower pivot pin 67b. It is provided in the state.
With this configuration, the swing end side is configured to be positioned slightly obliquely upward in advance, and when the side cover 50 is closed, the swinging end side is caused by a cantilever load caused by rattling of the pivotal portion or its own weight. The swing end side is prevented from being slightly inclined downward and can be closed at an appropriate position.

  As shown in FIG. 2, the receiving net 17 is composed of four receiving net constituting bodies 17A, 17B, 17C, and 17D that are divided into two in the circumferential direction and the axial direction, respectively. It is detachably provided through the formed inspection opening K. Of the four receiving network components 17A, 17B, 17C, 17D, arcuate shapes that receive and support the two axially opposite sides of the two rear receiving network components 17A, 17B located on the far side from the opening K A plurality of guide rails 52 are provided, and one end portion of two front receiving structure members 17C and 17D located on the opening side among the four receiving structure members 17A, 17B, 17C, and 17D is on the back side. The receiving net structural members 17A and 17B are detachably connected to the end portions, and the other end portion is detachably connected to the first support frame 51 provided along the upper edge of the opening K.

Hereinafter, the configuration of the receiving network 17 and its mounting structure will be specifically described.
The four receiving net members 17A, 17B, 17C, and 17D have the same shape, and, as shown in FIG. 6, from the belt-like plate to the base frame 53A having a substantially L-shaped cross section provided on both sides in the circumferential direction. A plurality of vertical bars 53B are arranged in the front-rear direction with a certain interval in the circumferential direction of the handling cylinder 16, and a plurality of first horizontal bars 53C made of a strip-like plate curved in an arc shape are arranged. A plurality of second horizontal bars 53D, which are arranged in the left-right direction with a predetermined interval in the front-rear direction as the support shaft direction, and are formed of a round bar wire that is curved in an arc shape, are adjacent to the first horizontal bars 53C adjacent to each other. In the horizontal direction, the mesh is arranged in the left-right direction with a constant interval in the front-rear direction, and the mesh has a length in the direction along the circumferential direction of the handle cylinder 16 that is longer than the length in the direction along the front-rear direction. It is formed in a rectangle.

  The base frame 53A has a substantially L-shaped cross-sectional shape and protrudes outward in the radial direction, and a bolt insertion hole 59 is formed at an appropriate interval in a portion protruding outward. The base frame 53A constitutes a connecting portion 60 that can be bolted to other members as will be described later.

As shown in FIG. 5, first and second support frames 51 and 54 having a U-shaped cross section extending in the longitudinal direction of the machine body are provided on the left and right sides of the handling chamber 14. The first support frame 51 and the second support frame 54 are connected and fixed to the upper part of each.
As shown in FIG. 7, a front side partition that is provided with a supply port 25 and covers a gap between the receiving net 17 and the swing sorting mechanism 19 at a position on the front side of the body of the receiving net 17. A plate 56 is provided in a state of being connected across the first support frame 51 and the second support frame 54 on both the left and right sides. The front part of the plurality of guide rails 52 is connected to the front side partition plate 56. The guide rail 52A for supporting the receiving net on the side is fixed by welding.

Further, as shown in FIGS. 5, 6, and 7, rear side partition plates 57 formed in an arc shape so as to follow the shape of the receiving net 17 are located at the left and right sides of the first side on both the left and right sides. The support frame 51 and the second support frame 54 are connected to each other. The rear side partition plate 57 is provided with a guide rail 52B for supporting the receiving net on the rear side of the body among the plurality of guide rails 52. Is fixed by welding.

  As shown in FIG. 6, at a position corresponding to the connecting position between the receiving network components 17 </ b> A and 17 </ b> B on the back side and the receiving network components 17 </ b> C and 17 </ b> D on the near side (a position corresponding to the lowermost position of the receiving network 17). A relay support body 58 is erected and connected between the front side partition plate 56 and the rear side partition plate 57, and the second support frame 54 and the relay support body 58 are located at the intermediate position in the front-rear direction of the receiving net 17. The guide rail 52C for supporting the receiving net in the middle part in the front-rear direction among the plurality of guide levers 52 is attached in a bolted state. That is, the end of the guide rail 52C on the opening side is supported by the relay support 58.

  As shown in FIG. 5, the back-side receiving net members 17A and 17B have connecting portions 60 (base frames 53A) whose back-side ends are in contact with the second support frame 54 and are formed at the opening-side ends. ) Is received and supported by the guide rails 52 on both the front and rear sides in contact with the relay support 58. As shown in FIGS. 5 and 7, the connecting portion 60 formed at the end on the back side of the front receiving structure 17C, 17D is connected to the connecting portion 60 of the receiving structures 17A, 17B on the back. And the relay support 58 together with the bolt Bo. The nut Nt fastened to the bolt Bo is welded and fixed in advance to the back side portion of the relay support body 58. That is, an operator can fasten and remove the bolt Bo from the outside of the machine body through the opening K so as to be detachable so that the receiving network components 17C and 17D on the front side and the receiving network components 17A and 17B on the back side can be connected to the relay. 58 is configured to be able to be coupled together with 58.

  In addition, as shown in FIGS. 5 and 6, the relay support 58 includes a central vertical plate portion 58A extending in the vertical direction and an upper side protruding from the upper end portion of the vertical plate portion 58A toward the back side. A horizontal plane portion 58B and a lower horizontal plane portion 58C protruding from the lower end portion of the vertical plate portion 58A toward the opening side are configured.

And the connection part 60 (outwardly extending part of 53 A of base frames) formed in the opening side edge part of back side net | network receiving body structure 17A, 17B, and the back | inner side edge in the net side net | network structure 17C, 17D of this side And a connecting portion 60 (an outwardly extending portion of the base frame 53A) formed on the support portion are received and supported by the opening side surface of the vertical wall portion 58A of the relay support body 58, and they are coupled together by bolts Bo. It is.
In addition, the vertical beam 53B of the receiving side net structure 17A, 17B on the back side is placed and supported on the upper surface of the upper horizontal surface part 58B of the relay support 58, and in the receiving side net structure 17C, 17D on the near side The distal end of the outwardly extending portion of the base frame 53A is configured to be placed and supported on the upper surface portion of the lower horizontal surface portion 58C of the relay support body 58.

  Further, in the front receiving structure 17C, 17D, the connecting portion 60 located at the end on the opening side is connected to the first support frame 51 with the bolt Bo. In this way, the front-side receiving net members 17C and 17D are fixedly supported at both ends of the back end and the opening end. On the other hand, the back side receiving net members 17A and 17B are bolted to the relay support 58 at the open end with the back end against the second support frame 54. All the receiving network components 17A, 17B, 17C, and 17D can be attached in a fixed position.

  That is, the receiving net 17 is configured to be detachably supported by the first support frame 51 and the second support frame 54 as the device frame 62.

When attaching / detaching the receiving net 17 for maintenance, the side cover 50 is opened and the operator performs attachment / detachment work through the inspection opening K. That is, the receiving network structure 1 on the front side
The bolt fastening with respect to the first support frame 51 and the bolt fastening with respect to the relay support body 58 of 7C and 17D can be released, respectively, and the front receiving structure 17C and 17D can be removed through the opening K. In addition, when the bolt fastening between the receiving network components 17C and 17D on the near side and the relay support body 58 is released, the bolt fastening between the receiving network components 17A and 17B on the back side and the relay support body 58 is also released. Therefore, the back side receiving network components 17A and 17B can also be removed through the opening K.

  Of the four receiving network components 17A, 17B, 17C, and 17D, the receiving network component 17A on the front side (corresponding to one end side in the axial direction) located on the front side of the machine body (corresponding to one end side) A gap filling member 63 that fills the gap between 17C and the rear side (corresponding to the other end side) receiving network constituents 17B and 17D located on the rear side of the machine body (corresponding to the other end side in the axial direction). The relay support 58, the first support frame 51, and the second support frame 54 are provided in a supported state. The gap filling member 63 is provided over the entire area in the circumferential direction of the receiving net 17 or substantially the entire area, the end on the back side is connected and fixed to the right support frame 54, and the intermediate part is connected to the relay support 58. The end of the opening side is connected and fixed to the first support frame 51.

  When the description is added, as shown in FIG. 6, the gap filling member 63 is configured by forming a plate body into a substantially arcuate arc shape, and corresponds to the receiving net structure bodies 17A and 17B on the back side. The back side gap filling member 63A and the near side gap filling member 63B corresponding to the near side receiving net constituting bodies 17C and 17D are configured.

  The back side gap filling member 63A also serves as an intermediate partition in the guide rail 52C for supporting the receiving net in the middle part in the front-rear direction. As described above, both side ends are connected to the second support frame 54 and the relay. Bolts are respectively connected to the support 58 and fixed, and guide rails 52C are fixed to both sides of the gap filling member 63A. And this back side gap filling member 63A is configured to be substantially flush with the inner peripheral side edge portion of the first horizontal rail 53C in the back side receiving net constituting bodies 17A, 17B.

The gap filling member 63B on the near side is attached in such a manner that the end on the back side is bolt-connected to the relay support body 58 and the end on the opening side is bolt-connected to the first support frame 51, FIG. As shown in FIG. 4, the receiving side net members 17C and 17D on the front side are configured to be substantially flush with the inner peripheral edge of the first horizontal rail 53C. Note that the near-side end of the back-side gap filling member 63A and the back-side end of the near-side gap filling member 63B are coupled together by bolts Bo with the relay support 58 interposed therebetween.
The opening side end of the gap filling member 63A on the back side is notched so as to follow the cross-sectional shape of the relay support 58, and the end edge contacts the vertical plate portion 58A and the upper horizontal surface portion 58B. It is supported in the state to do. Similarly, the gap filling member 63B on the front side is supported in a state where the end on the back side is in contact with the vertical plate portion 58A and the lower horizontal surface portion 58C.

  As shown in FIG. 7, the gap filling member 63B on the front side and the gap filling member 63A on the back side are bolted by a bolt Bo that passes through the relay support 58 via a flange portion 63c provided integrally therewith. It is configured to be coupled together. Incidentally, the base frame 53A of each receiving net structure 17A, 17B, 17C, 17D is L-shaped on both sides to remove the flange portion 63c provided to connect the gap filling member 63B and the gap filling member 63A. The notch k is formed.

As shown in FIGS. 5 and 6, the inner peripheral side of the rear side partition plate 57 is formed in an arc shape so as to follow the shape of the receiving net 17, but the outer peripheral side is configured in a polygonal line shape composed of a plurality of linear portions. ing. The edge 57a on the opening K side is formed in a vertical direction along the inner surface of the side cover 50, and the lower side edge 57b facing the relay support body 58 does not protrude greatly below the relay support body 58. Thus, it is configured in a horizontal linear shape. The rear edge 57c is formed in a vertical direction along a side wall (not shown).
Further, the gap filling member 63 has a shape similar to that of the rear side partition plate 57 as viewed in the axial direction of the handling cylinder 16 (viewed in the front-rear direction), and the outer peripheral side is formed in a polygonal line shape including a plurality of linear portions. Has been.

  By providing the gap filling member 63, a gap is formed between the first horizontal bars 53 </ b> C at the end portions between the front receiving structure 17 </ b> A, 17 </ b> C and the rear receiving structures 17 </ b> B, 17 </ b> D. It is possible to avoid the entry of straw scraps and the like. As a result, it can be easily avoided that the transfer of the threshing product is hindered by the caught straw.

  Further, a gap covering member 68 that covers the gap is provided between the rear-side receiving net members 17B and 17D and the rear-side partition plate 57 so as to be welded to and supported by the rear-side partition plate 57. That is, as shown in FIGS. 6 and 7, the gap covering member 68 located on the rear side covers the gap between the rear-side receiving net members 17B and 17d and the rear partition plate 57 from above. It is provided in a state of projecting forward from the rear side partition plate 57. Further, the gap covering member 68 is provided in a partial region in the circumferential direction of the receiving net 17 in the vicinity of a position corresponding to the lowermost end portion of the handling cylinder 16.

  Between the rear-side receiving net members 17B and 17D and the rear-side partition plate 57 is a position corresponding to the end portion of the receiving net 17 in the workpiece transfer direction. Therefore, although there is little possibility that the processed material stays, if a long straw enters into this position and protrudes downward, it may be caught by straw scraps on the lower Strollac 32 and disturb the processing. Therefore, the gap covering member 68 is provided so as to avoid such clogging.

[Another embodiment]
(1) In the above-described embodiment, the rod-shaped member 47 is configured to have a square-shaped square pipe shape, but instead of such a configuration, for example, as shown in FIGS. The cross-sectional shape may be a channel shape or an H shape. In addition, although not shown in the figure, a cross-sectional shape having an L-shape, a cross-sectional shape having a round pipe shape, or a part that is partially pressed into a flat surface may be used. The surface is not limited to a flat surface, and may be a round pipe as shown in FIG. However, in this case, the handle 48 is bent along the surface of the round pipe-shaped rod-shaped member 47.

(2) In the above-described embodiment, the tooth handling 48 is in contact with the entire length or substantially the entire width of the surface 47A of the rod-shaped member 47, and a long contact range at each of the front side portion and the rear side portion of the tooth handling 48. However, the welding may be performed partially at a part of the contact range, for example, at one part or a plurality of parts. Welding may be performed only in one of the front part and the rear part.

(3) In the above-described embodiment, the tooth handling 48 is attached in a state of being welded and fixed to the surface 47A located on the lower side in the rotational direction of the rod-shaped member 47. However, the tooth handling 48 is superior in the rotational direction of the rod-shaped member 47. It may be fixed by welding to the surface located on the side.

(4) In the above-described embodiment, the handling cylinder 16 includes the scraping unit 16A and the threshing processing unit 16B. However, the handling cylinder 16 may not include the scraping unit 16A. Instead of the spiral blade 43, the insertion portion 16 </ b> A may include a rectifying tooth or a tooth 48.

(5) In the above embodiment, six rod members 47 are provided. However, the number of rod members 47 can be variously changed. For example, eight rod members 47 may be provided. Good.

(6) In the above embodiment, a round bar member is used as the tooth handling 48. However, as the tooth handling 48, a square bar steel material, a round pipe material, a flat bar or the like may be adopted. You may make it employ | adopt the thing bent and formed in U shape or V shape.

(7) In the said embodiment, in the location corresponding to the transfer termination | terminus side of the threshing processed material which the tooth-handling 48 is transferred to the other end side from the one end side of a rotating shaft direction rather than the location corresponding to the transfer start end side. Although the thing attached to a rod-shaped member in the state where the space | interval in a rotating shaft direction is narrow was shown, the space | interval of the tooth-handling 48 gradually narrows from the front end to the rear end of the rod-shaped member 47, and 2nd plate Instead of dividing the wide narrow portion around 45, the wide narrow portion may be divided at the front side or the rear side of the second plate 45. Moreover, it is good also as a structure attached to the rod-shaped member 47 in the state which the space | interval in the rotation axis direction becomes constant over the whole range of a rotation axis direction.

(8) In the above-described embodiment, the handling cylinder provided in the threshing device provided in the full throw-in type combine is shown, but the handling cylinder provided in the threshing device provided in the self-decomposing combine may be used.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a handling cylinder for a threshing device in which handling teeth are attached to a plurality of rod-like members arranged at intervals in the circumferential direction.

14 Handling room
16 Handling cylinder 17 Receiving net 47 Bar- shaped member 47A Surface 48 Teeth
Q Rotation direction of the barrel

Claims (5)

It is configured to thresh the cereals that are supplied to the handling chamber by being driven and rotated, and is provided with a plurality of rod-shaped members in a posture along the rotation axis direction and arranged at intervals in the circumferential direction. The threshing device has a plurality of teeth that are attached to the rod-shaped members in a state of projecting outward in the radial direction and arranged at intervals in a direction along the axis of rotation. A torso,
Wherein扱歯is in a state aligned in the rotational direction as the bar-like member, and, in a state projecting from the surface of the rod-shaped member in the rotational direction, thresher for threshing device being welded to the surface. The handling cylinder for a threshing apparatus according to claim 1 , wherein the surface is formed in a straight line in a longitudinal direction of the rod-shaped member. The surface is located on the lower side in the rotational direction of the rod-shaped member,
Thresher for threshing apparatus according to claim 1 or 2 wherein said扱歯 is welded and fixed to the surface. The rod-shaped member is a pipe material,
The said surface is an outer peripheral surface of the said pipe material, The handling cylinder for threshing apparatuses of any one of Claims 1-3. The pipe material is a square pipe material,
The handling cylinder for a threshing apparatus according to claim 4, wherein the surface is one surface of the square pipe material.

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