JP2010081843A - Waste straw-treating part structure of combined harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a driving means for driving so as not to interfere the opening and closing movements of an opening and closing lid of a waste straw-shredding device and the rocking movements of a waste straw-pressing member for guiding the waste straws to a waste straw cutter. <P>SOLUTION: This waste straw-treating part is provided by equipping the opening and closing lid 56 for opening and closing by rocking its front part vertically by having a rear fulcrum X, at the upper part of the waste straw-shredding device 54, and the waste straw-pressing part 50 capable of freely moving to a lower directional position for guiding the waste straws of a waste straw-conveying device 34 to the waste straw-shredding device 54 by pressing them from upper direction and a retreating position leaving to upper direction, and the driving means for operating the waste straw-pressing member 50 from the retreating position to the lower directional position after operating the opening and closing lid 56 from its closed position to opened position, and operating the opening and closing lid 56 from its opened position to closed position after operating the waste straw-pressing member 50 from the lower directional position to the retreating position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides a waste shredding device containing a cutter at the rear of a threshing device, a waste discharge device or a waste bundling device, and swings the front part up and down as a rear fulcrum on the upper surface of the waste shredding device. The present invention relates to a structure of a combine waste disposal unit configured to switch the waste treatment between when the waste is discharged into a field with a long length by opening and closing an opening / closing lid that is opened and closed, and when shredded by a cutter.

  Conventionally, there is provided a waste transporting device 23 that transports the waste discharged from the handling chamber 8 while holding the stock stock with the feed chain 6 to the rear side while approaching the tip in a sideways posture. On the lower transport side of the transport device 23, there is provided a waste shredding device 23 containing a cutter 24 comprising a supply blade 51 and a cutting blade 50, and a waste non-shredding processing device comprising a waste discharge device 25 behind it. In addition, a cover 58 that opens and closes by swinging the front part up and down as a rear fulcrum is provided above the cutter 24 of the rejection shredding device. 58 is opened, the waste is guided to the cutter 24 from the upper opening, and in the non-chopping processing state where the waste is processed by the waste non-chopping processing device, the cover 58 is closed and the waste passes through the upper part of the cover 58. Send to the rear non-shredding device As those configured to switch the straw discharge process to the opening and closing of the cover 58 it is known (for example, see Patent Document 1).

In Patent Document 1, a spring plate 60 is provided on the transport frame 23 of the waste transporting device 23 so that the rear part can be swung up and down at the front fulcrum. In order to supply the battery, the cover 58 is opened and the spring plate 60 is set in the lowered position, and when discharging with a long hook, the spring plate 60 is switched to the raised position and the cover 58 is closed.
JP 10-215672 A

  In the thing of the said patent document 1, since the spring board and the cover were switched to the shredding processing state and the long seam processing state of the waste by separate operation means, there is room for improvement in terms of operability and the like.

  It is an object of the present invention to reduce the time and effort required to switch between the waste shredding processing state and the long saddle processing state.

[Configuration of the first invention]
In order to achieve the above object, the first invention includes a waste transporting device that transports the waste discharged from the handling room while holding the stock with a threshing feed chain to the rear side in a sideways posture. A waste shredding device for shredding waste on the lower transport side of the waste transporting device and a long processing device for discharging or bundling waste at the back of the waste shredding device are provided. As shown in the figure, an open / close lid that swings the front part up and down to open and close is used, and the waste of the waste transporting device is pressed from above and guided to the waste shredding device and moved to a retreat position that is spaced upward. After having operated the evacuation presser member from the closed position to the lower position and operating the evacuation presser member from the retracted position to the lower position after operating the open / close lid from the closed position to the open position. , Provided with operating means for operating the open / close lid from the open position to the closed position .

[Operation of the first invention]
According to the first invention, when shredding the shredder, after the opening / closing lid is operated from the closed position to the open position by the operation of the operating means, the waste holding member is operated from the retracted position to the lower position, When performing the heel process with the slag remaining long, the squeezing presser member is operated from the lower position to the retracted position by the operation of the operating means, and then the open / close lid is operated from the open position to the closed position.

[Effect of the first invention]
According to the first aspect of the present invention, when the opening / closing lid of the rejection shredding device is opened to shred the waste, the waste restraining member is actuated to the lower position, so that the waste is pressed from above to be shredded. Since it is guided to the cutter of the device, when sending dry rice cakes such as dried rice cake and wheat straw to the cutter, the occurrence of floating rice cake is suppressed, the penetration of rice cake into the cutter improves, and the frequency of clogging of the cutter Decrease.

  When the shredder is shredded, the opening / closing lid and the squeezing / holding member operate the squeezing / holding member from the retracted position to the lower position after operating the opening / closing lid from the closed position to the open position. When carrying out the scissor treatment with a long spear, the open / close lid is operated from the open position to the closed position after the discharge presser member is operated from the lower position to the retracted position. There is an advantage that both can be reliably swung to a predetermined position without interfering with each other, and the dredging operation can be easily and smoothly switched.

[Configuration of the second invention]
According to a second invention, in the first invention, the operating means includes a single electric motor, and the electric motor is linked to the opening / closing lid and the evacuation presser member via a linkage mechanism.

[Operation and effect of the second invention]
According to the second aspect of the present invention, the open / close lid is moved from the closed position to the open position when shredding is performed by associating the open / close lid and the reject presser member with the single electric motor via the linkage mechanism. After the operation, the evacuation presser member is operated from the retracted position to the lower position, and when performing heel processing with the culvert being long, the open / close lid is opened after the evacuation presser member is operated from the lower position to the retracted position. Since the operation is performed from the position to the closed position, the operation means can be provided at a low cost and the maintenance can be easily performed.

[Configuration of the third invention]
According to a third invention, in the first invention, the operating means is provided with a single human operation tool, and an open / close lid and an evacuation presser member are linked to the human operation tool via a linkage mechanism.

[Operation and effect of the third invention]
When separate operation tools are individually linked to the opening / closing lid and the exclusion presser member of the rejection shredding device, if the operation sequence is incorrect, the opening / closing lid and the rejection retainer member interfere with each other and the opening / closing lid There may be a disadvantage that the pressing member is deformed or damaged. On the other hand, according to the third invention, when shredding is to be shredded by operating a single human operation tool, after the opening / closing lid is operated from the closed position to the open position, the waste presser member is retracted. When the slag is processed from the lower position to the retracted position, the opening / closing lid is operated from the open position to the closed position after the squeezing presser member is operated from the lower position to the retracted position. Therefore, the opening / closing lid and the evacuation holding member do not interfere with each other and can be switched reliably, the operating means can be provided at low cost, and maintenance can be easily performed.

[Configuration of the fourth invention]
In a fourth aspect based on the first aspect, the operating means includes a plurality of electric motors, and each electric motor is separately linked with an opening / closing lid and an evacuation presser member via a linkage mechanism, and these are controlled in sequence. The control apparatus which performs is provided.

[Operation of the fourth invention]
According to the fourth aspect of the invention, when each electric motor is separately linked to the opening / closing lid of the evacuation shredding device and the squeeze presser member via the linkage mechanism, when the shave is shredded, one of the electric motors After operating the open / close lid from the closed position to the open position by operating the other, operate the other electric motor to operate the evacuation presser member from the retracted position to the lower position, When operating the other electric motor, operate the evacuation presser member from the lower position to the retracted position, then operate one electric motor to operate the opening / closing lid of the evacuation shredding device from the open position to the closed position. The sequence control is performed as described above.

[Effect of the fourth invention]
According to the fourth invention, the open / close lid of the rejection shredding device and the rejection presser member are operated by being linked to separate electric motors, so that the electric motor can be installed at any place where it is easy to arrange. There is an advantage that a simple structure can be obtained by omitting or shortening the linking member for linking the opening / closing lid and the evacuation holding member.

Hereinafter, an example of an embodiment of the present invention will be described based on the drawings.
[Overall structure of the combine]
As shown in FIG. 1 and FIG. 2, a pre-cutting processing device 3 is arranged on the front side of the body frame 2 supported by the pair of left and right crawler traveling devices 1, and on the right side in front of the body frame 2, a cockpit 4 Is provided with a control unit 5.
On the rear left side of the control unit 5 is a threshing device 7 that inherits the cereals conveyed from the pre-cutting processing device 3 side and grips it with the threshing feed chain 6 while threshing it in the handling chamber 22. A Glen tank 8 for storing the threshed rice cake is disposed, and further, a waste disposal unit 9 for releasing or shredding the waste discharged from the threshing device 7 is disposed on the rear side. .

  The crawler traveling device 1 includes an idler wheel 11 that is supported on a track frame 10 so as to be freely rotatable at a plurality of locations in the front-rear direction, and a crawler tensioning wheel 12 that is supported on a rear end portion of the track frame 10. A rubber crawler belt 14 driven by power transmitted from a drive sprocket 13 that is rotatably supported by a mission case (not shown) fixed to the body frame 2 is connected to an idler wheel 11, It is wound around the crawler tension ring 12 and the drive sprocket 13.

  The pre-cutting processing device 3 is configured to swing up and down by driving a hydraulic cylinder 16 around the left and right horizontal axis P1 at the top of the preprocessing main frame 15. The pre-cutting processing device 3 includes a divider 17 for weeding the planted culm, a pulling device 18 for causing the corn that has been weeded by the divider 17, a clipper-type reaping device 19 for trimming the caused culm, A vertical conveying device 20 that conveys the harvested cereal toward the rear threshing device 7 is provided.

  As shown in FIG. 2, the threshing device 7 is arranged around the front and rear axial centers so that the cereals harvested by the pre-cutting processing device 3 are handled and processed while being fed backward by the feed chain 6. A sorting chamber is provided that includes a handling chamber 22 that pivotally supports a handling cylinder 21 that is rotationally driven to constitute a threshing portion, and that performs a sorting process on a processing product that leaks from a receiving net 23 stretched below the handling cylinder 21. The portion 24 is arranged.

  The sorting unit 24 performs a sieve sorting while swinging and transferring the leaked processed material backward, and discharges the wastes from the dust outlet 25 at the rear end of the apparatus to the outside of the machine, and the swing sorting. A tang 27 for supplying the sorting air to the apparatus 26 toward the rear, a screw transport type first object collecting unit 28 for collecting the collected spillage and storing it in the glen tank 8, and a second thing falling downward. A second object recovery unit 29 that recovers and returns to the upper side in the transfer direction of the swing sorting device 26 is provided, and a separation drum 31 that reprocesses the processed material discharged from the dust feeding port 30 of the handling chamber 22 is handled. The drum 21 is arranged in a state of rotating around a horizontal axis P perpendicular to the rotation axis O of the cylinder 21, and a dust exhaust fan 32 is provided behind the separation drum 31 for sucking and discharging dust. It is. The end portion of the feed chain 6 extends rearward so as to exceed the separation drum 31 in a side view.

The separation drum 31 loosens the processed product discharged from the dust feed port 30 and, as shown in FIG. 3, is the side (right side) opposite to the threshing feed chain 6 side (left side) where the handle is located. The taper shape has a larger diameter. As a result, the mixture of the soot and soot that has come out of the dust feed port 30 is stirred while being fed from the right side to the left side with a large amount of processing, thereby giving a loosening action to the processed material and promoting the separation of the soot and soot. In this way, it is easy to drop and collect the stabbed stabbed stabbed between the wastes in the second object collecting unit 29. Fine debris, dust, and the like generated by agitation in the separation drum 31 are sucked by the dust exhaust fan 32 together with the fine debris, dust, etc. blown up by the sorting air by the Kara 27 and discharged outside the apparatus. .
As shown in FIG. 8, the separation drum 31 is divided into two separation drums 31a and 31b separated in the horizontal axis P direction perpendicular to the rotation axis O of the handling cylinder 21, and the right separation drum 31a is divided. You may comprise so that it may rotate at high speed rather than the separation drum 31b on the left side. Further, the radius of the right separation drum 31a is made larger than the radius of the left separation drum 31b, and both rotation speeds are set to the same speed, or the right separation drum 31a is added to the drum diameter condition to the left. The separation drum 31b may be rotated at a higher speed.

  The waste transporting device 34 includes a waste spear tip locking transport device 35 that locks and transports the head of the waste from above and a waste stock holding and transporting device 36 that grips and transports the stock source side. The spearhead locking transport device 35 winds an endless rotating chain 39 with a locking claw across a rear first driving sprocket 37 and a front first driven sprocket 38, and its starting end is connected to the separation drum 31. The conveyance action path R in an inclined posture is set with respect to the conveyance action path of the threshing feed chain 6 in a plan view so as to be positioned at a position almost directly above the dust exhaust fan 32 and the waste is conveyed obliquely toward the tip. It is formed. The waste stock holding and conveying device 36 supports a rear second drive sprocket 40 and a front second driven sprocket 41 by a support frame 42, and an endless rotating chain with claws across the front and rear sprockets 40, 41. 43 is wound, and a holding guide rod 44 is provided below this.

  The pinch guide rod 44 is composed of a pipe-made front guide rod 45 and a rear guide rod 46 that is slidably movable in the pipe. 43 is supported so as to be in press contact with 43. The rear guide rod 46 is configured to be freely extended and retracted by a geared motor 49 via a push-pull wire 48.

  As shown in FIGS. 3, 4, and 5, two squeezing presser bars 50 are provided between the support frame 42 of the slaughter stock holding and transporting device 36 and the cover body of the slaughtering tip locking and transporting device 35. It is supported. The evacuation presser bar 50 is urged downward by a tension spring 51 and is supported so as to be swingable around a support shaft 52. When retracted upward as shown in FIG. 5 and shredded by the rejection shredding device 54, it is configured to move downward as shown in FIGS.

  Further, an opening / closing lid 56 that can swing open / close at a rear fulcrum X that covers the upper portion of the cutter 55 is opened / closed by a stepping motor 63 via interlocking means 62 such as links 57, 58, 59, sector gear 60, pinion gear 61 and the like. It is comprised so that it may do. A control device 64 and a changeover switch 65 are provided for driving the geared motor 49 and the stepping motor 63 forward and backward.

The excretion processing unit 9 cuts the threshed excrement and releases it to the field, or releases it to the field in the state of the long straw, and is configured in detail as follows.
An exclusion cover 67 is provided adjacent to the rear of the rear cover 66 of the threshing device 7. The waste disposal unit 9 includes a waste shredding device 54 disposed below the waste cover 67 and a waste discharge device 53 disposed behind the waste shredding device 54.

  When the rear guide rod 46 of the holding guide rod 44 of the waste stock holding and conveying device 36 is adjusted to the shortened side, the waste is conveyed to near the upper side of the waste shredding device 54, and then the conveyance is released. When 46 is adjusted to the extension side, the waste is passed over the waste shredding device 54 and conveyed to the vicinity of the discharge port on the rear end side of the waste cover 67, and then the conveyance is released. .

  As a result, the waste transporting device 34 inherits the waste discharged from the handling chamber 22 by the threshing feed chain 6 from the threshing feed chain 6 in a sideways posture and moves toward the tip side while keeping the sideways posture. To the side. When the rear guide rod 46 of the holding guide rod 44 of the waste stock holding and conveying device 36 is adjusted to the shortened side, the waste conveyed by the waste conveying device 34 is close to the upper side of the waste shredding device 54. Transport and drop. When the rear guide rod 46 is adjusted to the extension side, the waste conveyed by the waste conveying device 34 is passed over the waste shredding device 54 and conveyed to the rear end side of the waste cover 67. Drop it.

  As shown in FIG. 3, an opening (not shown) is provided in the lateral side wall 69 on the tip side of the evacuation cover 67, and an opening / closing lid 70 that can swing open / close with respect to the opening is provided. The opening is arranged so that the tip side of the waste passes as shown by a two-dot chain line in FIG. 3 when the waste is transported to the rear end side of the waste cover 67 by the waste transporting device 34. It is.

Next, the waste shredding device 54 and the waste discharge device 53 will be described.
As shown in FIG. 4, the cutter 55 of the drainer shredding device 54 is arranged in the axial direction of two drive-rotatable cutter shafts 91 and 92 parallel to the slimming direction of the drainer so that it can rotate integrally. The waste straw is shredded in the slimming direction by means of the rotary receiving blade 93 and the rotary cutting edge 94 provided in the above, and the shredded waste straw is dropped from the discharge port 95 located below the cutter 55 to the field.

  A dropper 74 made up of a plurality of waste catching rods is fixed to a support shaft 73 supported by a pair of left and right support brackets 72 at the rear portion of the cutter cover 71 of the waste shredding device 54. . Each of the reject receiving rods constituting the dropper 74 is configured by a leaf spring, and the free end thereof is inclined obliquely rearward to the right so that the drain is released away from the uncut ground. is there. The dropper 74 is biased upward by a spring (not shown) and is received by a stopper (not shown) so as not to swing upward from the posture shown in FIG.

  The waste discharging device 53 is provided with two guide rods 75 and 76 for guiding the waste discharged at the transport end of the waste transporting device 34 to dropper 74. The guide rods 75 and 76 are bolted to a bracket (not shown) extending from a support member 77 that supports the conveying terminal side of the waste conveying device 34 so that the position thereof can be adjusted. When the guide rods 75 and 76 are in the storage posture, the bolts are loosened and stored along the rear surface of the cutter cover 71.

  The rear extension length of the guide rod 75 on the right side of the machine body is shorter than the guide rod 76 on the left side, and the distance from the rear surface of the cutter cover 71 in the receiving guide state is shorter on the right side that is the tip side. The left side is slightly longer. As a result, in a state where it is received by the dropper 74, the waste is supported by the vertical rod portions 75a and 76a of the guide rods 75 and 76 and temporarily stopped. Therefore, when the waste accumulates in the dropper 74 and the load becomes heavier than a certain level and the dropper 74 swings downward, the waste is discharged to the oblique outer side where the dropper 74 is extended.

Next, an operation means for swinging the opening / closing lid 56 and the rejection pressing member 50 of the rejection shredding device 54 will be described.
The member 80 extended upward from the support shaft 52 of the evacuation presser bar 50 serving as the evacuation presser member is urged downward by the tension spring 51, and the extension spring 80 extends from the tension spring. In order to pull the evacuation presser bar 50 upward against 51, a wire 82 having a tension spring 81 attached to the end is attached to a lever 84 that swings integrally with the sector gear 60 via a pulley 83. .

  FIG. 5 shows a state in which the lever 84 is over 5 to 6 degrees above the position where the wire 82 overlaps the straight line of the wire 82 when the wire 82 passes through the rotation axis P <b> 2 of the sector gear 60 with the opening / closing lid 56 closed. (At this time, the connection point of the wire 82 with respect to the lever 84 is a position slightly above the straight line when the wire 84 passes through the rotation axis P2). In this state, the opening / closing lid 56 is closed. It becomes a state. In this state, the angle formed by the link 58 and the link 59 is an obtuse angle of 95 to 96 degrees. When the stepping motor 63 is driven to rotate forward from this state, the sector gear 60 rotates clockwise, and the lever 84 is moved as shown in FIG. During the rotation of about 10 degrees from this state, the evacuation presser bar 50 hardly descends. On the other hand, the link 59 rotates clockwise and attached to the link 59, and the pulling force of the tension spring 85 is increased as the engaging pin 59a engaged with the long hole 58a of the link 58 rotates clockwise. The opening / closing lid 56 is greatly opened and closed, and before the evacuation presser bar 50 is greatly lowered, the opening / closing lid 56 is opened to the open position or close to the open position, and then the stepping motor 63 is driven to remove the evacuation presser bar. 50 descends through the front of the open / close lid 56. After the opening / closing lid 56 is opened by the tensile force of the tension spring 85, the engagement pin 59a at the tip of the link 59 can be rotated clockwise in the long hole 58a of the link 58. After opening, the evacuation presser bar 50 can be lowered by the clockwise rotation of the link 59. The evacuation presser bar 50 stops descending when the extension member 80 contacts the stopper 88.

  The link 57 for swinging the opening / closing lid 56 is urged counterclockwise by a coil spring 89 and is attached to a stopper piece 90 attached to the opening / closing lid 56 until the opening position where the opening / closing lid 56 contacts the stopper 87. After the opening / closing lid 56 is in contact with the stopper 87, the evacuation presser bar 50 at the position shown in FIG. 6 is lowered as shown in FIG. When the motor 63 continues to drive and the sector gear 60 and the link 59 rotate clockwise and the link 57 is pulled clockwise around the rear fulcrum X, the link 57 remains in contact with the stopper 87. Can rotate clockwise.

  When the stepping motor 63 is reversed from the state of FIG. 7, the link 57 rotates counterclockwise until it contacts the stop piece 90, and when the link 57 contacts the stop piece 90, the engagement pin 59 a at the tip of the link 59 is rotated. Is moved counterclockwise in the long hole 58a, the evacuation presser bar 50 is lifted, and then the open / close cover 56 is moved to the spring 85 when the evacuation presser bar 50 rises above the upper end of the open / close cover 56. Against this, the link 57 is rotated counterclockwise and the closed state shown in FIG. 5 is obtained.

Next, the operation state by the operation of the changeover switch 65 will be described.
When the changeover switch 65 is operated to the dropper position D, the geared motor 49 is first driven to rotate forward, and the rear guide rod 46 is moved rearward until the rear end is located at the site of the second drive sprocket 40, and then the stepping motor. 63 is driven in reverse to close the open / close lid 56, and as shown in FIG. 5, the discharge position of the waste is moved rearward, and a long saddle processing state in which the waste is guided to the dropper 74 is obtained.

When the changeover switch 65 is operated to the cutter position K, first, the stepping motor 63 is driven to rotate forward to open the opening / closing lid 56, and then the geared motor 49 is driven to rotate backward, and the rear guide rod 46 is retracted and moved forward. As shown in FIG. 7, a shredding state in which the discharge position of the waste is moved forward and the waste is guided to the cutter 55 is obtained. In this shredding process state, the rear part of the squeezing presser bar 50 approaches the cutter 55, and light sewage can be fed from above so that it does not scatter backwards, so that the squeezing can be reliably performed without clogging. Can be shredded.

[Another embodiment]
Instead of the waste discharging device 53 on the rear side of the waste shredding device 54, a waste binding device may be mounted. The waste discharging device and the waste binding device are collectively referred to as a long waste processing device.

  In the above embodiment, the two squeezing presser bars 50 are provided on the left and right. However, three or more bars or one wide squeezing presser plate is provided on the support shaft 52 at a predetermined interval on the left and right. It may be provided. These evacuation presser bars and evacuation retainer plates are collectively referred to as evacuation retainer members.

  In the above embodiment, the open / close lid 56 and the evacuation presser bar 50 are linked to the single stepping motor 63 as the operating means via the linkage mechanism. However, each electric motor is provided separately. The opening / closing lid 56 and the evacuation presser bar 50 may be separately linked via a linkage mechanism, and these may be configured to be sequence-controlled by the control device 64.

  In the above-described embodiment, the stepping motor 63 is used as the actuating means, but a hydraulic motor or a human operation tool may be used. When a single manual operation tool such as a manual lever or a pedal is used as the actuating means, the opening / closing lid and the evacuation pressing member may be linked to the human operation tool via a linkage mechanism.

Side view of the entire combine Side view showing combine threshing processing unit The top view which shows the rejection processing part of a combine Side view showing the waste disposal unit of the combine Side view showing the operating state of the open / close lid and the waste presser member of the waste cutting device Side view showing the operating state of the open / close lid and the waste presser member of the waste cutting device Side view showing the operating state of the open / close lid and the waste presser member of the waste cutting device The top view of the waste disposal part which shows another structure of a separation drum

Explanation of symbols

6 Threshing feed chain 22 Handling chamber 34 Exhaust conveying device 50 Exhaust holding member 53 Long iron processing device 54 Exhaust shredding device 56 Opening / closing lid 63 Motor 64 Control device

Claims (4)

Equipped with a waste transporting device that transports the waste discharged from the handling room to the rear side in a sideways posture while holding the stock with the threshing feed chain, and narrows the waste on the lower transport side of this waste transporting device. A culprit shredding device for cutting and a long scissor processing device for releasing or binding sewage are provided behind it, and the front part is swung up and down as a rear fulcrum at the top of the waste shredding device to open and close An opening / closing lid, and a discharge presser member that is movable between a lower position for holding the discharge of the discharge conveying device from above and guiding it to the discharge shredding device and a retreat position separated upward,
After operating the opening / closing lid from the closed position to the open position, operating the evacuation presser member from the retracted position to the lower position and operating the evacuation presser member from the lower position to the retracted position, then opening the open / close lid A combine rejection processing unit structure provided with an operating means for operating from a position to a closed position.   The combine rejection processing part structure according to claim 1, wherein the operating means includes a single motor, and the open / close lid and the rejection pressing member are linked to the motor via a linkage mechanism.   2. The combine rejection process according to claim 1, wherein the actuating means includes a single artificial operation tool, and the opening / closing lid and the rejection pressing member are linked to the artificial operation tool via a linkage mechanism. Part structure.   The actuating means includes a plurality of motors, and a control device that controls each of the motors by separately linking the opening / closing lid and the evacuation presser member via a linkage mechanism. Item 2. The structure of the waste disposal section of a combine according to Item 1.

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