JP5724252B2 - Thresher - Google Patents

Description

  The present invention relates to a threshing machine.

  Conventionally, for example, in Patent Document 1, a waste conveying device that takes over the waste after the threshing process and carries out the oblique rearward treatment is provided in the rear part of the handling chamber, and the belt transmission mechanism, the input gear case, the input shaft from the handling cylinder shaft. Through this, a threshing machine configured to rotationally drive the waste transporting device is disclosed.

JP 2009-125060 A

  The waste transporting device having the above-described configuration is configured to be supported by a side-view-shaped support frame connected between the rear frame of the handling chamber and the rear frame of the threshing machine, and structurally weak and stable support is obtained. There is no problem.

  An object of the present invention is to implement a waste support frame that can provide a strong and stable support as a support structure of the waste transport device.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention described in claim 1 is a waste transport that takes over the waste after the threshing treatment and carries it out obliquely rearward to the rear side of the handling chamber (3) in which the handling cylinder (5) is rotatably mounted. The device (15) is arranged, and the waste transporting device (15) is connected to the belt transmission mechanism (18), the input gear case (19), and the waste removal input from the handling drum shaft (5) that pivotally supports the handling drum (5). It is configured so as to be linked via a shaft (21), and the waste transporting device (15) is moved along the waste transport path from the rear chamber frame (9) forming the rear wall of the hand chamber (3). A main frame (30a) extending obliquely rearward and connected to a threshing machine side wall frame (32) provided at a lateral end of the threshing machine, and extending forward from a longitudinal middle part of the main frame (30a) A front frame (30b) connected to the rear frame (9) of the chamber and the length of the main frame (30a) A substantially X-shaped squeezing support frame (30) in plan view comprising a rear frame (30c) extending rearward from the middle part and connected to a threshing machine rear frame (33) provided at the rear end of the threshing machine. And the transmission from the input gear case (19) to the waste input shaft (21) is cut off when the waste transport device (15) is lifted upward in the middle of the waste input shaft (21). When the waste transporting device (15) is lowered downward, the meshing claw clutch (23) for connecting the transmission from the input gear case (19) to the waste input shaft (21) and the waste transporting device (15) are provided. A guide stay (24) for guiding the driving claw clutch (23a) and the driven claw clutch (23b) of the meshing claw clutch (23) to be positioned on the same axis when lowered downward; Drive side pawl clutch (23a) Driven claw clutch (23b) and is a thresher machine and a lock pawl (26) to hold in a state positioned on the same axis.

The waste transporting device (15) is rotationally driven from the barrel shaft (5) through the belt transmission mechanism (18), the gear transmission mechanism (20) in the input gear case (19), and the waste input shaft (21). .
The waste after the threshing treatment is taken over from the threshing feed chain (2) to the start end of the waste transporting device (15) and is carried out obliquely to the right rear from the left side. It is processed with a waste cutter.

Since the waste transporting device (15) is supported by the X-shaped waste support frame (30) in plan view, it is stably and firmly held.
Moreover, since the evacuation support frame (30) has an X-shaped structure, even a thin frame can maintain sufficient strength and can be implemented at low cost.

According to a second aspect of the present invention, the waste transporting device (15) includes a stock source side transport chain (16) for nipping and transporting a stock source side of the waste and a tip side transport chain (17) for locking and transporting the head side. ), And a driving force is input from the reject input shaft (21) to the intermediate portion in the transport direction of the reject transport device (15) to move the stock source side transport chain (16) and the tip side transport chain (17). It is configured to drive, and the waste transporting device (15) is supported on the rear frame (30c) at a portion between the stock-side transport chain (16) and the tip side transport chain (17), and the main frame (30a ) and, to the tip-side conveying chain (17)請 Motomeko 1 according threshing machine also is positioned forward of the conveying starting end tip side conveying chain throughout the up transfer terminal end portion from (17).

  According to the said structure, since a conveyance direction intermediate part is supported between both right-and-left conveyance chains (16, 17) of a stock | stock origin side and a tip side, a waste conveyance apparatus (15) can be hold | maintained with sufficient balance.

  According to a third aspect of the present invention, a waste transporting device (15) and an input gear case (19) are disposed on the left and right sides of the main frame (30a), and the input gear case (19) is disposed on the main frame (30a). The threshing machine according to claim 1 or 2, wherein the threshing machine is arranged between the front frame (30b) and supported by both the main frame (30a) and the front frame (30b).

  According to the said structure, the whole waste transport apparatus (15) including a waste input transmission part can be supported with sufficient balance, and the support structure of an input gear case (19) can also be hold | maintained stably and firmly.

According to the first aspect of the present invention, since the waste transporting device (15) is supported by the waste support frame (30) having the X-shaped frame structure, the position can be stably and firmly held.
Further, since the evacuation support frame (30) has an X-shaped structure, even a thin frame can maintain a sufficient strength and can be implemented at low cost.
Further, when the waste conveying device (15) is lifted upward by the meshing claw clutch (23) provided in the middle of the interlocking path from the input gear case (19) to the waste input shaft (21), When the transmission to the input shaft (21) is cut off and the waste transporting device (15) is lowered downward, the power transmission to the waste input shaft (21) can be connected. Further, when the meshing claw clutch (23) is connected to the transmission, the driving side claw clutch (23a) and the driven side claw clutch (23b) can be held in a state of being located on the same axis.

  According to invention of Claim 2, in addition to the effect of invention of Claim 1, in a site | part between a stock | source-side conveyance chain (16) and a tip side conveyance chain (17), a rejection conveyance apparatus (15 ) Is supported by the rear frame (30c), so that the waste transporting device (15) can be held in a well-balanced position.

  According to the third aspect of the present invention, while having the effects of the first or second aspect, the entire waste transporting device (15) can be supported with good balance, and the input gear case (19) Support can also be stably and firmly held in position.

Side cross section of threshing machine Side sectional view of the main part Rear view of the main part Top view of the main part of the threshing machine Top view of the main part Side view of stock-side waste transporting device Top view of a threshing machine equipped with a waste transporting device of another embodiment Rear view of the main part Plan view of a threshing machine equipped with another example waste transporting device Rear view of the main part Plan sectional view of the main part of the rejection input transmission path Side view of the main part seen from the same axis direction Side view of the tip side waste transporting device Side cross-sectional view of main parts of threshing machine Top view of the main part of the threshing machine

An embodiment of the present invention will be described with reference to the drawings.
FIG.1 and FIG.2 shows a threshing machine and has the following configuration.
That is, the threshing machine (threshing unit) 1 is configured to perform the threshing process by the handling cylinder 5 that is driven and rotated in the handling chamber 3 at the tip part of the cereal bowl that is conveyed while holding the stock by the threshing feed chain 2. Yes. A receiving net 6 is stretched around the lower half of the handling chamber 3, and a handling cylinder cover 7 that covers the upper portion of the handling cylinder 5 is configured to swing and open with one side of the handling chamber as a fulcrum. A dust exhaust port 8 is provided on the terminal side of the handling chamber 3 to drop a dust-treated product containing a large amount of sawdust and untreated material downward.

  On the side opposite to the feed chain 2 side of the handling chamber 3, a second processing chamber 12 in which a second processing cylinder 11 is pivoted is provided in parallel. Further, a dust removal treatment chamber 14 in which a dust removal treatment cylinder 13 is pivotally mounted on the same axis as the rear of the second treatment cylinder 11 is provided.

  In the rear part of the handling chamber 3, a waste transporting device 15 that takes over the waste after the threshing process from the threshing feed chain 2 and carries it out obliquely backward is provided. The waste transporting device 15 includes a stock source side transport chain 16 for nipping and transporting a stock source side of waste, and a tip side transport chain 17 for locking and transporting the tip side. A drive sprocket 17 a provided in the intermediate part of the tip side conveying chain 17 and a driving sprocket 16 a provided in the intermediate part of the stock side conveying chain 16 via the gear transmission mechanism 20 in the gear case 19 and the reject input shaft 21 are provided. It is linked to rotate. The tip side transport chain 17 is driven by the tip side drive sprocket 17a at the end side of the tip side transport chain 17 via the transmission shaft 38 from the driven sprocket 16b at the end side of the stock side transport chain 16 and driven at the tip side. The tip side transport chain 17 is hung around the sprocket 17a and the tip side driven wheel 17b on the start end side.

  The waste transporting device 15 extends along the tip side of the tip side transport chain 17 and is connected to the rear chamber side frame (left side) 9 and the thresher side wall frame 32 via connecting members 34, 34. The main frame 30a mounted on the front side, the front frame 30b extending forward from the middle part of the main frame 30a and mounted on the rear chamber frame (right side) 9, and the rear part extending from the middle part of the main frame to the rear side. It is configured to be supported by a substantially X-shaped rejecting support frame 30 in a plan view comprising a rear frame 30c mounted on a vertical frame 35 standing upward from the threshing machine rear frame 33. The main frame 30a has a structure in which the rear end portion is further extended rightward and connected to the Glen tank G. In the rear frame 30c, the rear end portion is further extended rearward and connected and supported by an L-shaped frame 36 connected to the threshing machine rear frame 33.

  The suspension frame 37 projecting from the machine frame side is pivotally supported at the terminal end side of the waste transporting device 15, and the driven sprocket 16 b of the stock source side transport chain 16 and the drive sprocket 17 a of the tip side transport chain 17 are pivotally supported. The transmission shaft 38 is held by a bearing.

  The bearing portion (bearing boss body 22) of the reject input shaft 21 between the left and right transport chains 16, 17 is mounted and supported by a support member 39 protruding downward from the upper rear frame 30c.

  The input gear case 19 is interposed between the main frame 30a and the front frame 30b, and is firmly held by being connected to and supported by the respective frames via the support stays 40 and 40, so that the rigidity of the main frame 30a and the front frame 30b is achieved. Is increasing.

  At the starting end side of the stock-side transport chain 16, a driven wheel 16c pivotally supported on the front end of a chain guide rail 41 that can be turned up and down with the rejection input shaft 21 as a fulcrum is moved up and down. The support body 42 protruding upward from the front end portion of the guide rail 41 is supported from below by a support bracket 43 protruding from the left side of the handling chamber rear frame 9. And the said support body 42 is comprised so that the starting end part of the stockholder side conveyance chain may be hold | suppressed from the upper direction by the handling cylinder cover 7 at the time of closure.

  FIG. 7 shows a waste transporting apparatus according to another embodiment, which has the following configuration. That is, the stocker side and tip side waste transporting device 15 is supported by the stocker side support frame 31 and swings up and down up and down around a pivot shaft 45 in the front-rear direction installed on the dust removal cylinder 13 side. Is configured to do.

  A meshing claw clutch 23 is provided in the middle of the rejection input shaft 21 from the input gear case 19 to the rejection transporting device. When the rejection transporting device 15 is opened (lifted) upward, the pawl clutch is turned off. When it is lowered downward, it is interlocked so that the pawl clutch is “entered”. The pawl clutch 23 is configured to be smaller than the top and bottom width of the tip carrying case 46 and to be within the silhouette of the case so as not to impede the flow of the waste (FIG. 13).

Below the pawl clutch 23, the guide stay 24 for guiding the V-shaped groove is provided so that the driving-side claw clutch 23a and the driven-side claw clutch 23 b is coaxially core, the axial misalignment of the pawl clutch It is configured to prevent. The guide stay 24 is formed in a U-shape in plan view so as to sandwich the pawl clutch 23, and by opening the bottom portion, it is possible to prevent accumulation of dust and wrapping.

  The guide stay 24 is provided with a lock device 25 that maintains the same axial center state of the drive side clutch 23a and the driven side clutch 23b. The lock device 25 is configured by a lock claw 26 that can swing open and close about a fulcrum shaft Q, and in a locked state, is configured to hold and hold the driven-side input bearing portion 27 from above (FIG. 11). FIG. 12).

  When the waste transporting device 15 is opened (lifted) upward, the barrel cover 7 is opened upward, the operation wire 48 is pulled by operating the lock release lever 47, the lock claw 26 is removed, the lock is released, and the holder is released. With the upper handle 49, the waste transporting device 15 can be lifted upward and opened. In the example of FIGS. 7 and 8, the lifting handle 49 is integrally fixed to the front end side of the stock-side support frame 31. The lock release lever 47 is pivotally supported on the rear frame 9 side so as to be swingable.

  Further, in the examples of FIGS. 9 and 10, the lifting handle 49 is configured to also serve as the lock release lever 47, and is pivotally supported so as to swing up and down with respect to the stock support side support frame 31. is there. Therefore, when the lifting handle / unlock lever 49 (or 47) is lifted, the locking device 25 is first unlocked, and when the lifting handle is further lifted upward, the evacuation transport device 15 rotates. The moving shaft 45 is lifted upward and opened with the fulcrum 45 as a fulcrum.

  The swing sorting shelf 50 is configured to receive the processed product after the threshing process and screen it while swinging and transferring, and is arranged in the order of the transport shelf 51, chaff sheave 52, and straw rack 53 from the upper side in the sorting direction. In addition, a glenive 54 is disposed below the chaff sheave 52. In addition, a sorting chamber is provided below the swing sorting shelf 50 in order from the upper side in the sorting direction, with a tang 55, a first transfer spiral 樋 56, a second transfer spiral 樋 57, and a dust exhaust fan 58 above the first transfer spiral 樋 57. Is configured.

  In the embodiment shown in FIG. 14, guide rollers 59 are provided at the left and right and front and rear corners of the swing sorting shelf 50, and the guide rollers 59 slide in the grooves of the U-shaped holder 60 and swing back and forth. In the sorting shelf 50, the openings of the U-shaped holders 60 at the four corners are provided in the same direction, and the angle of the U-shaped holder 60 can be adjusted. The angle of the U-shaped holder 60 can be adjusted around the drive shaft 62 by a motor 61, and the holder angle is automatically variably controlled in conjunction with a threshing load, a sorting load, or the like. According to this, since the swing sorting shelf 50 is guided by the guide rollers 59 and the U-shaped holders 60 at the four corners, the load applied to the swing drive mechanism is reduced, and the swing sorting shelf 50 operates smoothly. Since the swing angle of the swing sorting shelf 50 can be adjusted, the condition adaptability is improved. Moreover, since it can adjust automatically according to a load, sorting performance improves.

  As a threshing load detection configuration, for example, as shown in FIG. 15, a sensor 66 is provided on the lever shaft 65 of the adjustment lever 64 that adjusts the angle of the dust control plate 63 installed in the handling chamber 3 according to the amount of waste. The holder angle can be variably controlled by driving the motor 61 on the basis of the result of detecting the amount of sawdust by the sensor 66. That is, the swing angle of the swing shelf can be automatically controlled according to the amount of waste in the handling chamber.

  As a control means different from the threshing load control, the holder angle is variably controlled in conjunction with the sheave opening of the chaff sheave, or the holder angle according to the second reduction amount (based on the detection result of the second reduction amount detection sensor). Variable control of the holder angle in conjunction with the rotational speed (air volume) of the tank, and a variety of controls such as a weight sensor at the bottom of the glen tank to control the holder angle in conjunction with the speed at which the soot accumulates. Can be controlled.

In addition, the third loss can be reduced by raising the holder angle when turning the headland, increasing the vertical swing range, and slowing the backward feed rate on the swing shelf.
As the upward angle of the U-shaped holder is increased, the feed rate of the processed material is decreased, and as the upward angle of the holder is decreased to a position near the horizontal, the feed rate of the processed material is increased. In the former, the sieve sorting performance is improved, and in the latter, the feed of the sawdust is promoted, and the sorting burden is reduced.

3 Handling Chamber 4 Handling Cylinder 5 Handling Cylinder Shaft 9 Handling Chamber Rear Side Frame 15 Exhaust Conveying Device 16 Stock Source Side Conveying Chain 17 Ear Tip Side Conveying Chain 18 Belt Transmission Mechanism 19 Input Gear Case 21 Exhaust Input Shaft
23 Claw clutch
23a Drive side claw clutch
23b Driven side claw clutch
24 Guide stay
26 Locking claw 30 Discharge support frame 30a Main frame 30b Front frame 30c Rear frame 32 Thresher side wall frame 33 Thresher rear frame

Claims (3)

On the rear side of the handling chamber (3) in which the handling cylinder (5) is rotatably mounted, a waste transporting device (15) that takes over the waste after the threshing process and carries it out obliquely backward is disposed. A configuration in which the saddle conveying device (15) is interlocked from the handling cylinder shaft (5) supporting the handling cylinder (5) via the belt transmission mechanism (18), the input gear case (19), and the discharge input shaft (21). And the waste conveying device (15) is extended obliquely rearward along the waste conveying path from the rear chamber frame (9) forming the rear wall of the handling chamber (3), and next to the threshing machine. A main frame (30a) connected to a threshing machine side wall frame (32) provided at the side end, and extends forward from a middle part in the longitudinal direction of the main frame (30a) and connected to the rear chamber frame (9). The front frame (30b) and the main frame (30a) extending rearward from the middle in the longitudinal direction to thresh Thresher rear frame provided at a rear end portion (33) in plan view consisting of a rear frame (30c) linked with the support by a substantially X-shaped straw discharge support frame (30) of,
When the waste transporting device (15) is lifted upward in the middle of the interlocking path from the input gear case (19) to the waste input shaft (21), the waste input shaft (21) from the input gear case (19) is lifted upward. ) And the meshing claw clutch (23) for connecting the transmission from the input gear case (19) to the waste input shaft (21) when the waste conveying device (15) is lowered downward,
When the waste transporting device (15) is lowered downward, the guide claw clutch (23a) and the driven claw clutch (23b) of the engagement claw clutch (23) are positioned on the same axis. A guide stay (24) to perform,
Thresher machine and a lock pawl (26) to the driving-side claw clutch and (23a) and the driven-side claw clutch (23b) is held in a state positioned on the same axis. The waste transporting device (15) includes a stock source side transport chain (16) that sandwiches and transports the stock side of waste, and a tip side transport chain (17) that locks and transports the head side. A driving force is input from the input shaft (21) to the intermediate portion in the conveying direction of the waste conveying device (15) to drive the stock-side transport chain (16) and the tip-side transport chain (17). The waste transport device (15) is supported on the rear frame (30c) at a portion between the side transport chain (16) and the tip side transport chain (17) ,
The main frame (30a) extends from the transfer start end to the transfer end of the tip side transfer chain (17) without intersecting the tip side transfer chain (17) in plan view (17). threshing machine 請 Motomeko 1 wherein is positioned in front of the). A waste transporting device (15) and an input gear case (19) are disposed on the left and right sides of the main frame (30a), and the input gear case (19) is located between the main frame (30a) and the front frame (30b). threshing machine 請 Motomeko 1 or claim 2 wherein the support to both the arrangement to the main frame (30a) and the front frame (30b) to.

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