JP4484779B2 - Handle structure of threshing equipment - Google Patents

Description

  The present invention is equipped with a handling cylinder that rotates the handling chamber with a front-rear support shaft as a fulcrum and performs a handling process on the cereal supplied from the front supply port along with the rotation, The present invention relates to a barrel structure of a threshing device in which a receiving net is provided below the barrel so as to leak a processed material after the handling treatment by the barrel.

As a handling cylinder structure of the threshing apparatus as described above, there is one in which a handling cylinder is configured by providing helical handling teeth on the outer periphery of a cylindrical body formed in a cylindrical shape (see, for example, Patent Document 1).
JP-A-11-266666

  In the above configuration, a large part of the handling chamber is used for the arrangement space of the handling cylinder, and only a narrow space remaining around the handling cylinder can be used as a processing space for handling treatment. During high-speed work that is supplied, the processing space may be saturated. When the saturation occurs, threshing products remain in the processing space, and sufficient handling processing is not performed. Inconveniences such as the threshing product leaking from the receiving net and the load required for the handling process are increased, and the transmission system for the handling cylinder is easily damaged.

  The object of the present invention is a processing capability capable of performing a sufficient handling process on a threshing processed product without causing an increase in load required for the handling process even when a large amount of the threshing processed product is supplied. An object of the present invention is to provide a barrel structure for a threshing device excellent in the above.

In the invention according to claim 1 of the present invention, the handling chamber rotates with the support shaft facing forward and backward as a fulcrum, and, along with the rotation, with respect to the cereal supplied from the front supply port In the handling cylinder structure of the threshing device, equipped with a handling cylinder that performs the handling process, and a receiving net is provided below the handling cylinder to leak the processed material after the handling process by the handling cylinder ,
A plurality of rod-like members arranged in a state in which the handling cylinder is arranged in the front-rear direction along the support shaft and spaced in the circumferential direction of the handling cylinder, and predetermined in the front-rear direction on each of the rod-like members A plurality of teeth that are provided so as to protrude from the rod-shaped member toward the outside of the handle cylinder in a state of being arranged at intervals, and an internal space that communicates with the chamber is formed therein The bar-like member and the tooth-handing treatment are performed while stirring the workpiece around the handling cylinder and the workpiece that has entered the internal space. In addition to a round pipe material or a round bar steel material, the plurality of teeth are constituted by a round bar steel material, a square bar steel material, or a round pipe material .

  According to this configuration, the handling cylinder has a space communicating with the handling chamber in the interior thereof, and allows the threshing processed product to enter the internal space. While stirring the threshing processed product that has entered the internal space, the threshing processed product is subjected to a handling process by striking a plurality of rod-shaped members or tooth handling.

In other words, even when a large amount of cereals is supplied to the handling room as a threshing product, the internal space of the handling cylinder can be used effectively as a processing space for handling, so the threshing product remains in the processing space. And the processing space saturation, the inconvenience of the threshed product leaking from the receiving network without sufficient handling due to the retention of the threshing product and the saturation of the processing space, and the load required for the handling processing The occurrence of inconvenience that the transmission system to the handling cylinder is damaged due to an increase in the number of the handling cylinder can be avoided, and when the handling cylinder is rotated, not only a plurality of handling teeth but also a plurality of parts forming the trunk section of the handling cylinder Even the rod-shaped member functions as a handling member that acts on the threshing product.
In addition, by arranging a plurality of rod-shaped members in a state of being arranged at a predetermined interval in the circumferential direction of the handling cylinder, it is possible to prevent the winding of the long rod around the rod-shaped member and avoid the retention of the threshing processed material due to the winding. it can.

Therefore, even when a large amount of threshing processed products is supplied, sufficient handling processing can be performed on the threshing processed products without causing an increase in the load required for the handling processing. It is possible to improve the threshing performance and threshing efficiency while avoiding damage to the handling cylinder transmission system due to the increase, and as a result, it is possible to provide a handling structure of a threshing device with excellent durability and processing capacity. It came.

In the invention according to claim 2 of the present invention, in the invention according to claim 1, a plurality of mounting holes penetrating in the radial direction of the handle cylinder are formed in the rod-shaped member, and the handle is used as the handle. It is inserted into the mounting hole and fixed to the rod-shaped member.
In the invention according to claim 3 of the present invention, in the invention according to claim 1, the plurality of rod-shaped members are made of a round pipe material, and the rod-shaped member is arranged in a radial direction of the handling cylinder. A plurality of through-holes are formed, and the teeth are inserted in the state where the teeth are inserted into the mounting holes and the rod-shaped member supports the inside and outside in the radial direction of the barrel. It is fixed to the rod-shaped member.
In the invention according to claim 4 of the present invention, in the invention according to any one of claims 1 to 3, the front end and the rear end of the rod-shaped member are arranged on the inner side in the radial direction of the handling cylinder. The front and rear connecting plates are mounted on the front and rear end portions of the support shaft, and the front and rear connecting plates are bolted from the front and rear directions to provide the rod-like shape. A member is connected to and supported by the front and rear support plates.

In the invention according to claim 5 of the present invention, in the invention according to any one of claims 1 to 4, the front end portion of the handling cylinder is rotated with the rotation around the support shaft. the scraping portion of the tapered shape with a helical tooth which conveys raking toward the culms supplied from the supply port to the rear is equipped, the helical teeth with culms conveyed raking the action of the scraping portion The outside air sucked from the supply port with the rotation of the nozzle is configured to flow around the handling cylinder and the internal space .

  According to this configuration, during rotation of the handling cylinder, the outside air sucked from the supply port along with the rotation of the helical teeth is transferred around the handling cylinder and in the internal space along with the cereal that is scraped and conveyed by the action of the scraping unit. As a result, it can flow smoothly, and thus it can prevent the outflow of straw scraps and the like generated by the handling process from the supply port, and the threshing processed product can be transported to the rear, which is the lower side in the handling direction. .

  Therefore, in addition to avoiding the supply failure of cereals due to the outflow of straw scraps and the like from the supply port, the rear part of the body of dust such as straw scraps generated in the handling process along with the transport of the threshing processed material in the handling chamber ( The discharge from the handling direction end portion) can be promoted, and as a result, the threshing performance and the threshing efficiency can be further improved.

According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, the rod-shaped member is equipped so as to be capable of changing its orientation to an inverted posture in which the front and rear are reversed. The handle teeth provided at the front and rear intermediate portions of the handle cylinder are fixed by welding to the rod-shaped member, and the handle teeth provided at the front end portion and the rear end portion of the handle cylinder are attachable to and detachable from the rod-shaped member. It is fixed .

  By the way, among the plurality of tooth handling provided in the handling cylinder, the tooth handling located on the upper side in the handling direction with a large amount of the threshing product is worn more than the tooth handling located on the lower side in the handling direction with a small amount of the threshing product. It becomes easy.

Therefore, in the invention according to the sixth aspect , the rod-like member is equipped so as to be capable of changing its orientation to the inverted posture in which the front and rear thereof are reversed, whereby the tooth handling tooth positioned on the upper side in the handling process direction is provided. If the wear is significant, the orientation of the rod-shaped member is changed, so that the multiple teeth on the rod-shaped member can be separated from the teeth on the upper side in the handling direction with significant wear and those on the lower side in the handling direction with less wear. The position can be changed at once in a state where the tooth handling is replaced.
In addition, in the configuration in which the tooth handling having a receding angle is arranged on the rear side of the handling cylinder, or in the configuration in which the tooth handling having a conveying portion at the protruding end is arranged on the front side of the handling cylinder, the handling processing direction is on the upper side When the position of the tooth handling is significantly worn and the processing capacity on the upper side of the handling direction is reduced, the direction of the rod-shaped member is changed, and the change in the direction has a receding angle opposite to the original position relative to the handling cylinder. By replacing the tooth-handling and the tooth-handling having the conveying portion at the protruding end, the original processing ability can be regained relatively easily.

Therefore, it is possible to use the tooth handling on the lower side in the handling direction with less wear as the tooth handling on the upper side in the handling direction with a large amount of threshing processed matter, with a simple operation by simply changing the direction of the rod-shaped member. In addition, it is possible to secure a good processing capability on the upper side in the handling direction for a long period of time, and it is excellent in maintainability for easily performing the work for that purpose.
In addition, excellent treatment over a long period of time, such as a configuration in which tooth handling with a receding angle is provided on the rear side of the barrel and a configuration in which a tooth handling having a conveying portion at the protruding end is provided on the front side of the barrel. Capability can be ensured, and maintenance can be performed relatively easily.

According to a seventh aspect of the present invention, in the invention according to the sixth aspect , the removable handle disposed at the rear end portion of the handle cylinder has a protruding portion on the upper side in the rotational direction. It is formed so as to have a receding angle that inclines toward.

  According to this configuration, on the lower side in the handling direction, which is the rear side of the handling cylinder, the hook of the cereal with respect to the tooth handling having a receding angle is suppressed, and thereby, the hook on the rear side tooth handling is suppressed. It is possible to suppress the retention of the cereal mash (threshing cereal cocoon) resulting from the handling process, and it is possible to promote the discharge of the cereal mash after the handling process from the end of the handling process direction.

  Therefore, the discharge of the cereal after the handling treatment is promoted, and the flow of the threshing product in the handling chamber is promoted, so that the threshing efficiency can be further improved.

According to an eighth aspect of the present invention, in the invention according to the seventh aspect , a removable tooth disposed at a front end portion of the barrel is provided on the projecting end portion of the support shaft. Along with the rotation of the surroundings, it is formed so as to have a transport section that pushes and transports the processed material in the handling chamber toward the rear.

  According to this configuration, on the upper side in the handling direction, which is the front side of the handling cylinder, the handling of the threshing processed material to the lower side in the handling direction is facilitated by the tooth handling having the conveyance unit.

  In addition, the tooth-handling is in a state in which the hitting action portion for the threshing processed product is expanded by having the conveying portion at the protruding end, and thereby, a large amount of threshing is performed on the upper side in the handling direction with a large amount of threshing processed product. The hit on the workpiece can be performed more effectively by the tooth handling with the hitting action portion expanded.

  Therefore, it is possible to further improve the threshing performance and the threshing efficiency by simply improving the tooth handling provided on the front side of the barrel.

  FIG. 1 shows a longitudinal side view of a threshing apparatus mounted on a full throwing type combine harvester, and FIG. 2 shows a partially longitudinal front view thereof. This threshing apparatus has a handling chamber 1 formed in the upper part thereof. A handling cylinder 2 arranged in the front-rear direction, a concave (an example of a receiving net) 3 arranged so as to cover the handling cylinder 2 from below, an oscillation sorting mechanism 4 arranged below the concave 3, and an oscillation sorting mechanism 4 Kara 5 deployed at the front lower side, No. 1 recovery part 6 formed below the front side of the swing sorting mechanism 4, No. 2 recovery part 7 formed below the rear side of the swing sorting mechanism 4, and A discharge port 8 formed at the rear of the swing sorting mechanism 4 is formed.

  The handling chamber 1 is connected to a supply port 9 formed at a lower portion of the front end of the feeder 10 at a rear end portion of a feeder 10 that supplies and conveys the harvested cereal rice harvested and harvested by a harvesting and collecting unit (not shown). Through 10, the whole planted cereal (reasoned cereal) harvested by a non-illustrated reaper is supplied as a threshing product.

  The handling cylinder 2 is driven to rotate clockwise in front view with a support shaft 13 installed to be rotatable over the front and rear side walls 11 and 12 as a fulcrum. A handling process is performed to separate the grain from the harvested grain culm and to promote the sizing of the grain while conveying the harvested grain slag toward the lower side in the handling direction.

  The concave 3 receives the harvested cereal supplied to the handling chamber 1 and assists in the handling process of the barrel 2 with respect to the harvested cereal, and also obtains a single grain or a branched grain obtained by the handling process. Grains or broken straw generated in the handling process is caused to leak toward the lower swing sorting mechanism 4 and leakage of long straw is prevented.

  The swing sorting mechanism 4 includes a sheave case 15 that is driven to swing back and forth by a cam-type drive mechanism 14, a rough sorting gren pan 16, a rough sorting chaff sheave 17, a rough sorting stroller 18, and a fine sorting. It is configured to include a separate grain pan 19 and a grain sieve 20 for fine sorting, etc., and sifts through a sorting processed product in which single-grained grains or grain with branch rafts leaked from the concave 3 are mixed. Applying the sorting process, the sorted processed product is a single grain as No. 1, a mixture such as a grain with grain branch and sliced straw as No. 2, and a cut straw as No. 3 Sorted into waste and straw.

  The Kara 5 is rotationally driven with its support shaft 21 as a fulcrum, so that a sorting wind is generated, and the processed material leaked from the concave 3 and the first thing sorted by the swing sorting mechanism 4 Wind power sorting process is applied to No. 2 and other items.

  The first collection unit 6 collects the single-grained grains that have leaked from the grain sieve 20 of the oscillating sorting mechanism 4 in the state where dust such as straw scraps has been removed by the sorting wind from the Kara 5 as the first thing. Then, the recovered first item is conveyed toward a lifting screw (not shown) connected to the right end thereof by a first screw 22 arranged in the left-right direction at the bottom.

  The second collecting section 7 is a branching bellows that flows down from the rear end of the grain sieve 20 without leaking from the grain sieve 20 of the swing sorting mechanism 4 in a state where dust such as straw scraps has been removed by the sorting wind from the Kara 5. Collected as a second thing, such as mixed grains such as attached grains and sliced straw, and mixed grains such as grain and sliced straw that leaked from the Strollac 18 of the swing sorting mechanism 4 The item is conveyed toward the second reduction screw (not shown) connected to the right end thereof by the second screw 23 arranged in the left and right direction at the bottom.

  Although illustration is abbreviate | omitted, a lifting screw lifts the 1st thing conveyed with the 1st screw 22, and supplies it from the upper part to the grain tank arranged in parallel by the right side of the threshing apparatus. The No. 2 reduction screw has a reprocessing unit that performs the handling process again on the No. 2 item conveyed by the No. 2 screw 23, and lifts and shakes the No. 2 item after the handling process in the No. reprocessing unit. Return to the dynamic sorting mechanism 4.

  The discharge port 8 discharges the long straw that has flowed down from the rear end of the concave 3, and the cut straw and straw waste that have been sorted and conveyed to the rear of the swing sorting mechanism 4 by the sieve sorting process and the wind sorting process. .

  As shown in FIGS. 1 to 5, the handling cylinder 2 includes a frustoconical (an example of a tapered shape) scraping portion 24 provided at the front end portion thereof, and a handling processing portion connected to the rear end of the scraping portion 24. 2, and on the outer peripheral surface of the scoring portion 24, the chopped cereals supplied from the supply port 9 are scraped and conveyed toward the rear handling processing portion 25 when the handling cylinder 2 is rotated. The helical teeth 26 are integrally provided.

  The handling processing unit 25 is provided integrally with a first support plate 27 integrally provided at the front portion of the support shaft 13, a second support plate 28 provided integrally with a front and rear intermediate portion of the support shaft 13, and a rear end portion of the support shaft 13. The third support plate 29 and the support plates 27 to 29 were supported in a front-and-rear-facing posture along the support shaft 13 in a state of being arranged at regular intervals (an example of a predetermined interval) in the circumferential direction of the handling cylinder 2. Six round pipe members 30 (an example of a rod-shaped member) 30 and each round pipe member 30 are arranged in the front-rear direction at regular intervals (an example of a predetermined interval) from the round pipe member 30 to the handling cylinder 2. It comprises a plurality of teeth 31 that are equipped so as to protrude outward.

  From this configuration, the handling cylinder 2 includes a space S communicating with the handling chamber 1 inside the handling processing unit 25, and allows the threshing processed material to enter the inner space S. At the time of the rotation operation, the threshing processed product around the surrounding space and the threshing processed product that has entered the internal space S are agitated, and the threshing processed product is handled by hitting the round pipe member 30 or the tooth handling 31. Processing is started.

  That is, even when a large amount of harvested cereals is supplied to the handling room 1 as a threshing product, the internal space S of the handling cylinder 2 can be effectively used as a processing space for handling, so threshing in the processing space It is possible to avoid stagnation of the processed product and saturation of the processing space. Due to the stagnation of the threshing processed product and saturation of the processing space, the threshing processed product leaks from the concave 3 without sufficient handling, and handling. Generation | occurrence | production of the disadvantage that the load which a process requires increases and the transmission system with respect to the handling cylinder 2 is damaged can be avoided beforehand.

  In addition, during the rotation operation of the barrel 2, not only the plurality of teeth 31 but also the six round pipe members 30 that form the handling portion 25 that becomes the trunk portion of the barrel 2 act on the threshing product. Since it functions as a handling processing member, it is possible to improve threshing performance and threshing efficiency.

  In addition, during rotation of the barrel 2, outside air sucked from the supply port 9 along with the rotation of the helical teeth 26 is collected around the barrel 2 along with the harvested cereal rice cake that is scraped and conveyed by the action of the scraping portion 24. And flow smoothly into the internal space S, thereby preventing the outflow of straw scraps and the like generated by the handling process from the supply port 9 to the feeder 10 and the lower side in the handling process direction of the threshing processed material. Transporting backwards can be performed more quickly.

  Moreover, the outside air sucked from the supply port 9 passes through the inside of the feeder 10 connected to the supply port 9, and the feeder 10 is a carry-out port (not shown) formed at the collection end portion of the cutting and collecting unit. ) And the supply port 9 are communicated with each other, so that when the barrel 2 is rotated, the suction action by the rotation of the helical teeth 26 causes the waste scraps generated by the cutting and recovery processing in the cutting and recovery unit. Dust also flows into the periphery of the handling cylinder 2 and the internal space S from the carry-out port of the cutting and collecting unit through the internal space of the feeder 10 and the supply port 9 together with the outside air. It is possible to suppress deposits and soaring of debris and the like, and it is possible to suppress poor conveyance of the harvested cereal culm due to the accumulating deposition and a decrease in work environment and visibility due to the soaring.

  Each of the support plates 27 to 29 has a circular shape centered on the support shaft 13 and has six connection portions 27A to 27 that enable the support connection of the round pipe member 30 at positions equidistant from the support shaft 13 on the outer peripheral side. 29A is formed in a state of being arranged at regular intervals in the circumferential direction.

  In other words, six round pipe members 30 are arranged on the outer peripheral side of each of the support plates 27 to 29 so as to be arranged at regular intervals in the circumferential direction so that the barrel diameter of the handling cylinder 2 is increased. Thus, it is possible to prevent the harvested cereal wrapping around the barrel 2.

  Each round pipe member 30 is formed in a straight line, and is provided with a first connecting plate 32 at its front end, a second connecting plate 33 at its front and rear intermediate portions, and a third connecting plate 34 at its rear end. The first connecting plate 32 and the third connecting plate 34 are formed so as to be capable of bolt connection to the connecting portion 27A of the first support plate 27 and the connecting portion 29A of the third support plate 29, and the second connecting plate 33 is used as the second support. Bolts can be connected to the connecting portion 28A of the plate 28 from both the front and rear sides. The first connecting plate 32 is connected to the connecting portion 27A of the first support plate 27 by bolts, and the second connecting plate 33 is connected to the second connecting plate 33. (2) The connecting portion 28A of the support plate 28 is joined from the rear and bolted, and the third connecting plate 34 is bolted to the connecting portion 29A of the third support plate 29, so that the front-rear direction thereof is Match direction The first connecting plate 32 is bolted to the connecting portion 29A of the third support plate 29, and the second connecting plate 33 is connected to the connecting portion 28A of the second support plate 28 from the front. By joining and bolting, and connecting the third connecting plate 34 to the connecting portion 27A of the first support plate 27, it is possible to equip the front and rear direction of the handling cylinder 2 in a reversed posture. It is configured.

  That is, each round pipe member 30 is equipped with a normal posture in which the front-rear direction coincides with the front-rear direction of the handling cylinder 2 and an inverted posture in which the front-rear direction is opposite to the front-rear direction of the treatment cylinder 2. Has been.

  Each round pipe member 30 is provided with a plurality of attachment holes 30A for tooth-handling attachment in a state of being arranged at a constant pitch P in the front-rear direction and from the front end of the round pipe member 30 to the center of the foremost attachment hole 30A. The distance L1 and the distance L2 from the rear end of the round pipe member 30 to the center of the last mounting hole 30A are made to be different from each other by a half pitch.

  The six round pipe members 30 are connected and supported by the connecting plates 32 to 34 in a state where the front and rear directions with respect to adjacent ones are reversed, and thereby the same as the six round pipe members 30. In this case, each tooth 31 in the barrel 2 is positioned in a state shifted by a half pitch in the front-rear direction from the tooth 31 provided in the adjacent round pipe member 30.

  That is, each handle 31 is arranged in a spiral shape that is displaced by a half pitch in the entire handle 2, and thus, the rotating operation of the handle 5 is performed with respect to the harvested cereal culm. In addition to performing the handling process, a function of conveying the harvested cereal meal toward the lower side in the handling process direction is exhibited.

  In addition, since each round pipe member 30 is equipped so that the orientation can be changed between the normal posture and the inverted posture, wear of the tooth handling 31 located on the upper side in the handling direction, which is easy to wear due to a large amount of threshing processed material, is remarkable. In this case, by changing the orientation of each round pipe member 30, the plurality of teeth 31 provided in each round pipe member 30 are handled with the handle 31 on the upper side in the direction of handling that is easy to wear. It is possible to change the position at a stroke to the state in which the tooth handling 31 on the lower side of the direction is replaced, and thereby, the tooth 31 on the lower side in the processing direction with less wear is placed on the upper side in the handling direction with a large amount of threshing processed material. It can be effectively used as the tooth handling 31.

  Each tooth 31 is made of a round bar steel material inserted into the mounting hole 30 </ b> A of the round pipe member 30, and among these teeth 31, the front end portion of the handling portion 25 which is the front side of the handling barrel 5. The deployed teeth 31A are stepped with a small diameter portion that is inserted into the corresponding mounting hole 30A and a large diameter portion that restricts the insertion into the mounting hole 30A, and the small diameter portion is fixed to the round pipe member 30. And the large-diameter portion is bent in an “L” shape, and the projecting end portion is used to rotate the handling cylinder 5 to handle the harvested cereal meal and to lower the processing direction. In order to function as a transport unit 31b that pushes out toward the end, a nut 35 is detachably fixed at a predetermined position of the corresponding round pipe member 30 with a transport angle θa (see FIG. 3).

  The teeth 31B provided in the intermediate portion of the handling section 25, which is an intermediate portion of the handling cylinder 5, are formed in a straight line and are located on a line connecting the center of the support shaft 13 and the center of the round pipe member 30. In this state, the corresponding round pipe member 30 is welded and fixed to a predetermined position.

  The teeth 31C provided at the rear end of the handling section 25, which is the rear end of the handling cylinder 5, have a small diameter portion inserted into the corresponding mounting hole 30A and a large diameter that restricts insertion into the mounting hole 30A. A male threaded portion 31a for fixing to the round pipe member 30 is formed on the small diameter portion, and the large diameter portion is bent and formed in a "<" shape, and the protruding portion is In a state having a receding angle θb (see FIG. 5) inclined toward the upper side in the rotational direction of the handling cylinder 5, it is detachably fixed to a predetermined position of the corresponding round pipe member 30 by a nut 35.

  That is, a plurality of teeth 31 simply formed in a straight line in accordance with the rotation operation of the barrel 2 are handled with respect to the harvested cereal rice cake that has been scraped and conveyed toward the lower side in the handling direction by the scraping portion 24. While the processing is being performed, the harvested cereal culm is not conveyed toward the lower side in the handling direction, but on the upper side in the handling direction where the amount of threshing processed material is large, the handling located on the front side of the handling cylinder 5 is performed. Since the tooth 31A handles the threshing processed product toward the lower side in the processing direction by the transport unit 31b, the transport of the threshing processed product to the lower side in the handling direction is promoted. It is possible to avoid the retention of the threshing product on the upper side in the direction and the leakage of the threshing product from the supply port 9.

  In addition, the threshing processed product on the upper side in the handling direction is mostly unthreshed cereal, whereas the tooth 31A located on the upper side in the handling direction has a conveying portion 31b at the protruding end. The striking action part for the threshing processed product is in an expanded state, so that it is possible to effectively hit a large amount of unthreshed cereals on the upper side in the handling direction by the tooth handling 31A having an expanded striking action part. Can be done.

  And, on the lower side of the handling direction in which the amount of threshing cereals increases, the tooth handling 31C located at the rear end portion of the handling cylinder 5 is restrained from catching the threshing cereals by the receding angle θb. It is possible to suppress the retention of the threshing cereal meal due to the catch, and it is possible to promote the discharge of the shed cereal meal (waste straw) from the outlet 8.

  In addition, since each tooth 31A and each tooth 31C located at both front and rear ends of the handling unit 25 are detachable, the tooth handling 31 located on the upper side in the handling direction (an intermediate part of the handling unit 25). As a countermeasure when a long-term use of a plurality of teeth 31B positioned on the side of the handle 31B is significantly worn, the direction of each round pipe member 30 is changed to change the teeth 31 When the position of the handle 31 on the upper side in the handling direction, which is easy to wear, is changed to the state where the tooth 31 on the lower side in the handling direction, which is difficult to wear, is changed, the handling cylinder is changed by changing the orientation of each round pipe member 30. The teeth 31A and 31C can be returned to their original positions simply by replacing the teeth 31A and the teeth 31C at the front and rear ends opposite to the original position with respect to 2.

  As a result, in addition to having an excellent processing capability with improved threshing performance and threshing efficiency, it is also excellent in terms of maintainability for ensuring the excellent processing capability over a long period of time.

  As shown in FIGS. 1, 2, and 6, the concave 3 is configured such that a plurality of vertical bars 37 made of strip-shaped steel plates are aligned on the base frame 36 in the front-rear direction with a certain interval in the circumferential direction of the handling cylinder 2. A plurality of first horizontal bars 38 made of strip-shaped steel plates that are curved and formed in an arc shape are aligned and arranged in a left-right direction with a predetermined interval in the front-rear direction, which is the support shaft direction of the barrel 2. A plurality of second horizontal bars 39 made of curved piano wire are aligned and arranged in the left-right direction with a certain interval in the front-rear direction between the adjacent first horizontal bars 38, and the meshes are used as handling cylinders. 2 is formed in a horizontally long rectangle whose length in the direction along the circumferential direction is longer than the length in the direction along the front-rear direction.

  In other words, by configuring the concave 3 so that the mesh is a horizontally long rectangle extending in the rotation direction of the barrel 2, single grains obtained by the handling process on the harvested cereal cocoon leak from the concave 3. Therefore, it is possible to avoid occurrence of degranulation due to suppression of leakage of the single-grained grains from the concave 3.

  As shown in FIGS. 1 and 2, in this threshing apparatus, power from a transmission case (not shown) is transmitted to the support shaft 21 of the Kara 5 via a belt transmission type first transmission mechanism 40, and the support The power from the shaft 21 is transmitted to the support shaft 13 of the handling cylinder 2 through the belt transmission type second transmission mechanism 41 and the shaft transmission type third transmission mechanism 42, and the second transmission mechanism 41 and the belt tension are transmitted. It is configured to be transmitted to the feeder 10 via a transmission clutch 43 of the type.

  In addition, the code | symbol 44 shown in FIG.1 and FIG.2 is the top plate equip | installed in the upper part of the threshing apparatus so that opening and closing is possible. A plurality of dust feeding valves 45 that handle the soot and guide it toward the lower side in the processing direction are fixedly equipped in a state of being arranged at regular intervals in the front-rear direction. And you may make it improve the threshing performance and the threshing efficiency further by comprising this dust feed valve 45 in the movable type whose opening degree is adjusted according to the amount of threshing processed material in the handling chamber 1.

[Another embodiment]
Hereinafter, other embodiments of the present invention will be listed.

[1] As a threshing apparatus, the threshing apparatus may be mounted on a self-removing combine that is supplied to the handling chamber 1 only on the tip side of the harvested cereal culm.

[2] The handling cylinder 2 may not be provided with the scraping portion 24, and the scraping portion 24 is provided with an orthodontic tooth or a tooth handling 31 instead of the helical tooth 26. Also good.

[3] Each rod-shaped member 30 of the handling cylinder 2 may be configured to be divided into a plurality of pieces in the front-rear direction. As the division form, for example, a two-divided structure that divides the first connection plate 32 into a first half part extending from the second connection plate 33 and a second half part extending from the second connection plate 33 to the third connection plate 34, or a transport unit. Three divisions into three parts: a front side equipped with a tooth handling 31A having 31b, an intermediate part equipped with a tooth handling 31B formed in a straight line, and a rear end part equipped with a tooth handling 31C having a receding angle θb The structure can be considered.

  When each rod-shaped member 30 has a two-part structure of the first half and the second half, the first half and the second half may be interchangeable. , In the case of a three-part structure comprising a front side provided with the tooth handling 31A, an intermediate part provided with the tooth handling 31B, and a rear end part provided with the tooth handling 31A, only the intermediate part is reversed in the front-rear direction. You may comprise so that direction change is possible to the reverse posture.

[4] as a rod-like member 30 of the handled cylinder 2, although not shown, may be adopted a round bar steel material.

[5] As shown in FIG. 7, in the handling cylinder 2, the rod-shaped member 30 may be fixedly installed so that its orientation cannot be changed.

[6] The number of rod-shaped members 30 in the handling cylinder 2 can be variously changed. For example, as shown in FIG. 8, eight rod-shaped members 30 may be equipped.

[7] Instead of the rod-shaped member 30 formed in a straight line, for example, when deployed in a front-back orientation along the support shaft 13, the rear end side is closer to the upper side in the rotational direction of the handling cylinder 2 May be formed to be twisted so as to be positioned at the position, and conversely, when deployed in a front-back orientation along the support shaft 13, the rear end side is closer to the lower side in the rotational direction of the barrel 2. It may be twisted so as to be positioned.

  By the way, if the former member is adopted as the rod-shaped member 30, the retention of the threshing processed product in the handling chamber 1 can be suppressed, so that the handling cylinder 2 can be configured to be suitable for crops with high threshing properties. On the contrary, if the latter is adopted as the rod-shaped member 30, it is possible to promote the retention of the threshing product in the handling chamber 1, so that the handling cylinder 2 can be configured to be suitable for crops with low threshing properties. .

[8] The teeth 31 of the handle cylinder 2 are all formed in a straight line, and are located on a line connecting the center of the support shaft 13 and the center of the round pipe member 30. The pipe material 30 may be welded and fixed at a predetermined position (similar to the tooth handling 31B in the intermediate portion).

[9] As shown in FIG. 7, as the tooth handling 31 of the handling cylinder 2, as the tooth handling 31 </ b> A on the front part side, the one formed in a straight line like the tooth handling 31 </ b> B of the intermediate part is adopted. Alternatively, as the tooth-handling 31C at the rear end, a straight-lined toothing similar to the tooth-handling 31B at the intermediate part may be adopted.

[10] A male screw portion 31 a is provided on the base side of all the teeth 31 in the handle cylinder 2 so that all the teeth 31 are detachably fixed to predetermined positions of the corresponding rod-shaped members 30 with nuts 35. May be.

[11] As shown in FIG. 7, the tooth handling 31 includes a relatively long male screw portion 31 a on the base end side inserted through the mounting hole 30 </ b> A of the corresponding rod-shaped member 30, and the male screw portion. A pair of nuts 35 to be screwed to 31a are provided, and the length of outward extension from the corresponding rod-shaped member 30 can be adjusted by changing the screwing position of the pair of nuts 35 with respect to the male screw portion 31a. It may be configured as described above.

[12] The tooth handling 31 may be formed of a square bar steel material or a round pipe material .

[13] Various changes can be made to the arrangement interval of the tooth handling members 31. For example, when the number of equipment of the rod-shaped members 30 is a multiple of 3, each tooth handling 31 is equipped on the adjacent rod-shaped member 30. When the number of equipment of the rod-shaped member 30 is a multiple of 4 so as to be positioned in a state shifted by 1/3 pitch in the front-rear direction with respect to the treated teeth 31, each tooth-treating 31 is adjacent to the adjacent rod-shaped You may arrange and set so that it may be located in the state which shifted by 1/4 pitch in the front-back direction with the tooth-handling 31 with which the member 30 was equipped. The arrangement interval of the teeth 31 may be different between the front side and the rear side so as to be larger than the front-rear interval of the teeth 31.

[14] As the receiving net 3, for example, the mesh may be formed in a vertically long rectangle in which the length along the front-rear direction of the handling cylinder 2 is longer than the length along the circumferential direction. Alternatively, a resin molded product may be adopted.

Longitudinal side view of threshing device Partial longitudinal front view of threshing device Side view of the main part showing the configuration of the barrel Vertical side view of the main part showing the configuration of the barrel Longitudinal front view of the treatment cylinder showing the shape of the tooth treatment with a receding angle Perspective view of main part showing configuration of concave Vertical rear view of the threshing drum showing another implementation form Longitudinal front view of a handling cylinder showing another embodiment equipped with eight rod-shaped members

DESCRIPTION OF SYMBOLS 1 Handling chamber 2 Handling cylinder 3 Receiving net 9 Supply port 13 Spindle 24 Scratching part 26 Spiral tooth
27 First support plate (support plate)
29 Third support plate (support plate)
30 Bar-shaped member
30A Mounting hole 31 Teeth handling Teeth 31A Teeth handling at the front end
31B Teeth handle 31C disposed at the rear end of the tooth handle 31C disposed at the front and rear intermediate portion 31b Transport portion θb Receding angle
32 1st connection board (connection board)
34 Third connection plate (connection plate)
S internal space

Claims (8)

The handling chamber is equipped with a handling cylinder that rotates about a support shaft facing forward and backward, and with the rotation, performs a handling process on the cereals supplied from the front supply port. Below, a handling cylinder structure of a threshing device in which a receiving net is provided for leaking the processed material after the handling process by the handling cylinder,
A plurality of rod-like members arranged in a state in which the handling cylinder is arranged in the front-rear direction along the support shaft and spaced in the circumferential direction of the handling cylinder, and predetermined in the front-rear direction on each of the rod-like members A plurality of teeth that are provided so as to protrude from the rod-shaped member toward the outside of the handle cylinder in a state of being arranged at intervals, and an internal space that communicates with the chamber is formed therein And
It is configured to perform a handling process by striking the rod-shaped member and the tooth-handling while stirring the processed object around the handling cylinder and the processed object that has entered the internal space.
A handling barrel structure of a threshing device in which the plurality of rod-shaped members are made of a round pipe material or a round bar steel material, and the plurality of teeth are made of a round bar steel material, a square bar steel material, or a round pipe material . The handling of the threshing device according to claim 1, wherein a plurality of mounting holes penetrating in the radial direction of the barrel are formed in the rod-shaped member, and the teeth are inserted into the mounting holes and fixed to the rod-shaped member. Torso structure. The plurality of rod-shaped members are made of a round pipe material,
A plurality of mounting holes penetrating in the radial direction of the handle cylinder are formed in the rod-shaped member, the teeth are inserted into the mounting holes, and the rod-shaped member has two locations on the inner side and the outer side in the radial direction of the handle cylinder. The handling barrel structure of the threshing device according to claim 1, wherein the tooth handling is fixed to the rod-shaped member in a state where the handling teeth are supported on the rod-shaped member. Equipped with front and rear connecting plates extending inward in the radial direction of the barrel at the front and rear ends of the rod-shaped member,
The rod-like member is connected to and supported by the front and rear support plates by bolting the front and rear connection plates from the front and rear directions to the front and rear support plates provided at the front and rear ends of the support shaft. The handling cylinder structure of the threshing apparatus as described in any one of Claims 1-3. The front end of the threshing drum, the with the rotation around the support shaft, equipped with a scraping portion of the tapered shape with a helical tooth which conveys raking toward the culms supplied from the supply port to the rear The outside air sucked from the supply port along with the rotation of the spiral teeth together with the cereal that is scraped and conveyed by the action of the scraping portion is configured to flow around the handling cylinder and the internal space. The handling cylinder structure of the threshing apparatus as described in any one of Claims 1-4 . Equipped with the rod-like member so that the orientation can be changed to an inverted posture in which the front and rear are reversed ,
The teeth disposed at the front and rear intermediate portions of the barrel are welded and fixed to the rod-shaped member, and the teeth disposed at the front and rear ends of the barrel are detachably fixed to the rod-shaped member. threshing drum structure threshing apparatus according to any one of claims 1 to 5 in Te. The removable扱歯deployed to the rear end of the threshing drum, threshing apparatus according to claim 6 formed as the protruding portion has a receding angle inclined toward the rotation direction upstream side Handlebar structure. A detachable teeth disposed at the front end of the barrel is provided with a conveying section that pushes and conveys the processing object in the handling chamber toward the rear along with the rotation around the support shaft. The barrel structure of the threshing device according to claim 7 formed so as to have.

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