JP3784287B2 - Combined waste straw processing part structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
According to the present invention, a threshing feed chain for holding and transporting cereal grains toward the rear side is provided on one side of the left and right sides of the traveling machine body, and the threshing drainer conveyed by the feed chain is thinned by a rotary cutter and a fixed blade. The present invention relates to a combine waster processing unit structure configured to release a shredder from a discharge port located behind the rotary cutter by the rotational force of the rotary cutter.
[0002]
[Prior art]
In the above combine, conventionally, as shown in FIG. 10, the shutter 52 and the discharge guide 55 are separately attached to the cutter case 37 in which the rotary cutter 39 is located, and the rotary cutter 39 performs shredding processing of the waste wall. When the rotary cutter 39 stops the shredder processing of the discharge straw, the shredder is pushed out of the shutter 52 and is discharged by being guided by the discharge guide 55. 52 is configured to close by its own weight swing.
[0003]
[Problems to be solved by the invention]
Conventionally, when performing operations such as exchanging blades of a rotary cutter, it has been necessary to remove the discharge guide and the shutter separately to form a working opening in front of the rotary cutter, which is troublesome.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a combine drainer processing unit structure for a combine that can efficiently perform operations such as replacement of a blade of a rotary cutter, while the discharge guide and discharge port of a shredder can be closed. .
[0005]
[Means for Solving the Problems]
The configuration, operation, and effect of the invention according to claims 1 and 2 are as follows.
[0006]
[Configuration of Claim 1]
A threshing feed chain that holds and conveys cereal grains toward the rear side is arranged on one side of the left and right sides of the traveling machine body, and the threshing drainer conveyed by this feed chain is shredded by a rotary cutter and a fixed blade. In the structure of the combine drainer processing unit configured to discharge the cutting wall from the discharge port located behind the rotary cutter by the rotational force of the rotary cutter, the cutting wall is provided with the discharge port and guides the shredded wall from the rotary cutter. The discharge guide discharged from the discharge port is detachably connected to the cutter case in which the rotary cutter is located, and the shutter for the discharge port is attached to and detached from the cutter case together with the discharge guide. in state, and is attached to the discharge guide in a state in which the axis is biased closed by axis about the connecting pin disposed vertically The said feed chain in a vertical axis around the connecting pin by shredding straw issued configured to aircraft lateral opposite pushed open rearward, open state and becomes feed shredded waste straw by the inner surface side of the shutter It is configured to guide toward the side of the airframe opposite to the side where the chain is located .
[Configuration of Claim 2]
In the configuration of the invention according to claim 1, in the closed state of the shutter, a bent piece is provided toward the front side of the machine body along the left-right direction of the upper and lower portions of the shutter.
[0007]
[Action]
When the rotary cutter performs shredding of the waste straw, the shredder is guided to the rear of the machine body by the discharge guide , and the shutter is widened and released outside the machine . The shutter is closed and urged around the axis of the connecting pin whose axis is arranged in the vertical direction, and is urged by a shredder to be released around the vertical axis of the connecting pin. The threshing feed chain disposed on the side of the machine is configured so that the left and right sides of the machine body are pushed open backward, and the shredder drainer that is released to the outside of the machine is located on the inner surface side of the opened shutter. It is guided toward the side of the fuselage opposite to the side. When the rotary cutter stops the shredding process of the waste straw, the shutter is automatically closed due to the urging force and closes the discharge port.
[0008]
When the release guide is removed from the cutter case, the shutter also comes off the release guide, and a work opening is made in front of the rotary cutter.
[0009]
〔effect〕
Therefore, at the time of work, the shutter is pushed open around the vertical axis by the shredder released from the discharge port located behind the rotary cutter, and the shredder drainer that is released is positioned by the inner surface side of the shutter. The discharge direction can be changed so as to be advantageously guided so as to be guided toward the side of the airframe opposite to the side to be operated, and the discharge port can be closed by a shutter so that the rotary cutter is hidden when not working.
In addition, when performing operations such as exchanging the blades of the rotary cutter, the shutter can be removed at once by the operation of removing the discharge guide, so that the operation can be performed efficiently.
[0010]
The structure, operation, and effect of the invention according to claim 3 are as follows.
[0011]
〔Constitution〕
3. The invention according to claim 1 , wherein the discharge guide is composed of a bottom wall and lateral side walls standing on both lateral ends of the bottom wall, and the bottom wall is connected to the cutter case. Are arranged below the rotary cutter, and both lateral side walls are positioned on the side of the rotary cutter.
[0012]
[Action]
When the discharge guide is removed from the cutter case, the bottom wall disappears from the lower side of the rotary cutter, and the lateral side walls disappear from both sides of the rotary cutter, so that both the lower side and both sides of the rotary cutter can be opened.
[0013]
〔effect〕
Therefore, when performing operations such as exchanging the blades of the rotary cutter, the rotary cutter is exposed in an open state on both the lower side and both sides, so that the rotary cutter can be handled easily and easily.
[0014]
The configuration, operation, and effect of the invention according to claim 4 are as follows.
[0015]
〔Constitution〕
In the structure of the invention according to any one of claims 1 to 3, a locking connection structure in which the other connection pin is inserted into and removed from one pin hole of the cutter case and the discharge guide, and the cutter case and the discharge guide. A tightening connection structure for connecting the two by a connecting bolt is provided between the cutter case and the discharge guide.
[0016]
[Action]
The locking connection structure can be released by simply pulling the connection pin out of the pin hole. That is, the connection can be easily released as compared with the tightening connection structure. As a result, in the present configuration in which both the locking connection structure and the tightening connection structure are provided, the discharge guide can be released while the connection can be easily released as compared with the case where only the tightening connection structure is provided. Can be connected to the cutter case.
[0017]
〔effect〕
Therefore, when performing operations such as exchanging the blades of the rotary cutter, the discharge guide can be easily removed from the cutter case for efficient operation.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1 and FIG. 2, the crawler type traveling device 1, a riding type driving unit having a driving seat 2, and a front side of a body frame 3 of a traveling vehicle body having a driving unit located below the driving seat 2. The base end portion of the cutting frame 4a of the cutting unit 4 is connected to the supporting unit so as to be rotatable around the horizontal axis P1 of the machine body, and the engine power from the driving unit is transmitted to the cutting unit 4 and the driving unit The mowing unit 4 is configured to move up and down with respect to the traveling machine body by swinging the mowing frame 4a by a screw mechanism driven by engine power from the unit, and the threshing device 10 is provided on the traveling machine body, and The bagging unit 5 for bagging the threshing grains from the threshing device 10 is provided, and the waste straw processing unit provided with the waste straw shredding device 30 is provided at the rear of the threshing device 10 to constitute the combine. That.
This combine harvests planted cereals such as rice and wheat and threshs the harvested cereals, and in accordance with this threshing treatment, it can process shredded discharge of shredded waste straw and long straw release. Specifically, the configuration is as follows.
[0019]
That is, as shown in FIGS. 1 and 2, the cutting unit 4 splits the planted cereals into a cutting target and a non-cutting target by using a weeding tool 4b fixed to the front end of the cutting frame 4a. The culm to be harvested in the row of rows is introduced into a pair of left and right pulling paths, and the planted culm of each pulling path is lifted by the pulling device 4c and processed by the clipper type cutting device 4d. Then, the harvested cereal from the reaping device 4d is transported toward the rear side of the machine body by the transporting device 4e including the nipping and transporting device that acts on the stock side and the locking and transporting device that acts on the tip side.
[0020]
The threshing device 10 handles and processes the harvested cereal from the conveying device 4e of the reaping unit 4 with a handling cylinder that rotates while being conveyed backward by the threshing feed chain 11, and converts the threshing product into grains and dust. The grain is sorted and conveyed to the bagging unit 5.
[0021]
As shown in FIG . 3 and FIG. 4 , the waste straw processing unit replaces the waste straw shredding device 30 having a cutter case 37 and a rotary cutter 39 located inside the cutter case 37 with respect to the threshing device 10. Attached to the rear, the threshing drainer carried by the threshing feed chain 11 and the conveyance guide rail 25 positioned above the feed chain 11 from the handling chamber is further located at the rear of the machine body and above the cutter case 37. A threshing device is arranged such that the front end side of the cutter cover 43 formed so as to cover the upper side of the waste straw shredding device 30 is configured to be sandwiched and transported above the waste straw receiving port 33 of the waste straw receiving portion 34 to be dropped. 10 is configured to be rotatably attached to a support member 45 by a connecting shaft 44, and to open and close the cutter cover 43, and By performing the opening / closing operation of the lid 41 provided so that the waste straw shredding device 30 opens and closes the waste straw receiving port 33, a shredded release process for shredding and releasing the threshing waste straw is performed. A long straw discharge process is performed to release the straw as it is.
[0022]
That is, the drainer shredding device 30 has a shaft that is eccentric from the rotational axis of the rotary cylinder 31 by a freely rotatable rotary cylinder 31 near the drainer receiving port 33 inside the cutter case 37. A plurality of scrambling fingers 32 that are rotated around the core and a scribing rotor 38 that can be driven, and below the scrambling fingers 32 and the scoring rotor 38 inside the cutter case 37. The rotary cutter 39 is drivably driven and has a fixed blade 40 and is configured as a cylinder-type shredding device.
[0023]
The lid 41 of the waste outlet receiving port 33 is swung around the axis of the connecting shaft 42 that is pivotally attached to the cutter case 37 at the rear end side of the lid 41, and is shown in FIG. As shown in FIG. 3 , the state is switched between a state of falling on the upper surface of the cutter case 37 and closing the drainer receiving port 33 and a state of standing on the cutter case 37 and opening the drainer receiving port 33 as shown in FIG. 3 . The lid body 41 in the closed state receives the waste straw from the threshing feed chain 11 by the wall drop guide surface 41a formed on the back surface and guides it to descend to the rear side of the machine body, and discharges it to the rear side of the cutter case 37. The straw is dropped in the long straw discharge path 51 which is positioned so as to drop and discharge in the long straw state. The lid 41 in the open state drops the waste straw from the threshing feed chain 11 to the waste straw receiving port 33 of the cutter case 37.
[0024]
A waste wall separating member 49 is attached to the back side of the lid 41 so as to swing with respect to the cutter case 37 together with the lid 41. As shown in FIG. 3 and the like, the proximal end side of the waste wall separating member 49 is formed on the back side of the lid body 41 so as to form a recessed portion into which the distal end of the scraping finger 32 enters on the inner surface side of the lid body 41. The side of the bulging portion 41b that swells is rotatably connected by a connecting pin 49a having an axis parallel to the axis of the connecting shaft 42, and the lid 41 is in the closed state as shown in FIG. When switching to, the waste separator separating member 49 comes into contact with a stopper 54 formed of a boss portion of a sprocket 53 whose tip side is laterally outside of the threshing feed chain 11 and the conveying terminal side of the threshing feed chain 11 is wound. The end of the threshing feed chain 11 is operated so as to be received and supported so as to push up and remove the waste straw from the cereal carrying protrusion of the threshing feed chain 11, and the threshing feed chain Over down 11 is guided by the straw falling guide surface 41a of the cover 41 removed from the threshing feed chain 11 so that it is not involved in the return side of the threshing feed chain 11 the waste straw came transported. As shown in FIG. 4, when the lid body 41 is switched to the open state, the waste straw separating member 49 is released from the action away from the threshing feed chain 11.
[0025]
The cutter cover 43 is provided with an opening / closing lever 46 whose intermediate portion is rotatably connected to the inner surface side of the cutter cover 43 around the shaft core 46a, and the operation of the opening / closing lever 46 protruding outside from the cutter cover 43. When the cutter cover 43 is swung around the axis of the connecting shaft 44 by the portion 46b, the cutter cover 43 is moved upward as shown in FIG. 4 is switched to the closed position lowered near the upper surface of the cutter case 37 of the waste straw shredding device 30.
[0026]
When the cutter cover 43 is switched to the lifted open position, the lock pin 47 fixed to the support member 45 so as to slide into the elongated hole 46c of the opening / closing lever 46 is provided in the elongated hole of the opening / closing lever 46. The cutter cover 43 can be held in the ascending open position by the tensioning action of the opening / closing lever 46 by entering the notch communicating with one end side of 46c.
[0027]
When the cutter cover 43 is switched to the lowered closed position, the lock pin 47 is inserted into a notch communicating with the other end of the long hole 46c of the opening / closing lever 46, whereby the cutter is pulled by the pulling action of the opening / closing lever 46. The cover 43 can be held in the lowered closed position. At this time, the distal end side of the wall guide rod 50 whose base end side is fixed to the inner surface side of the cutter cover 43 enters the waste wall receiving port 33 of the cutter case 37, and the waste wall from the threshing feed chain 11 is transferred to the waste wall receiving port 33. invite.
[0028]
That is, in order to perform shredded release processing of the threshing drainer, as shown in FIG. 4, the cutter cover 43 is switched to the lowered closed position and the lid 41 is switched to the open state. Then, the waste straw separating member 49 is switched to the unlocked state for the switching operation of the lid body 41 to the opening side, and the waste straw that has been transported by the threshing feed chain 11 and detached from the threshing feed chain 11 is the straw guide cage. While being guided by 50, it falls into the drainer receiving port 33 of the drainer shredding device 30, and is scraped into the cutter case 37 by the scraping fingers 32 and the scraping rotor 38, and is folded in two to be rotated into the rotary cutter 39. And is cut into a chopped state by the rotary blade 39a and the fixed blade 40 provided in the rotary cutter 39, and the shredder is blown behind the rotary cutter 39 by the rotational force of the rotary cutter 39, It is emitted toward the rear of the fuselage from a straw outlet 35 with a shutter 52.
[0029]
In order to perform the long straw releasing process of the threshing waste straw, as shown in FIG. 3, the cutter cover 43 is switched to the lifted open position and the lid 41 is switched to the closed state. Then, the waste straw separating member 49 is switched to the operating state for the switching operation to the closing side of the lid body 41, and the waste straw transported by the threshing feed chain 11 is removed and guided by the waste straw separating member 49. Due to the action, it comes off from the threshing feed chain 11 and falls on the back side drop guide surface 41a of the lid body 41, and is guided by this back side drop guide surface 41a to fall on the long straw discharge path 51. 51 is dropped and discharged to the rear of the waste straw shredding device 30 with a long straw.
[0030]
The wall discharge port 35 is provided on the rear end side of a discharge guide 55 which is configured as a part different from the cutter case 37 and is detachably connected to the lower end side of the cutter case 37.
[0031]
As shown in FIG. 8 and the like, the discharge guide 55 includes a bottom wall 56 and lateral side walls 57 erected on both lateral ends of the bottom wall 56, and a rear end side of the bottom wall 56, The exhaust outlet 35 is directed downward and rearward by a mounting member 58 serving as a connecting member for connecting the rear end sides of the lateral side walls 57 and the upper end portions of the rear end sides of the lateral side walls 57. And open. As shown in FIG. 8, a latching connection structure having a pair of left and right connection pins 60 provided on the front end side of the bottom wall 56, and a tightening connection structure having a pair of left and right bolt holes 65 provided in the mounting member 58. The bottom wall 56 is located below the rotary cutter 39 in a state where the bottom wall 56 is detachably coupled to the lower end side of the cutter case 37 and coupled to the cutter case 37 as shown in FIGS. The lateral side walls 57 are located on the lateral side of the rear end portion of the rotary cutter 39 so as to cover the lower side and the lateral side that are not covered by the cutter case 37 of the rotary cutter 39.
[0032]
As shown in FIG. 7 and the like, the locking connection structure is provided so that the pair of left and right connection pins 60 and the pair of connection pins 60 enter the lower end portion of the front wall of the cutter case 37, respectively. A pair of pin holes 61 are connected, and each connecting pin 60 is inserted into the pin hole 61 from the rear side of the machine body so that the front end side of the discharge guide 55 is connected to the front wall of the cutter case 37. It becomes a state, and it will be in a connection cancellation | release state by extracting each connection pin 60 from the pin hole 61 to the body direction side.
[0033]
As shown in FIG. 7 and the like, the tightening connection structure includes the pair of left and right bolt holes 65, a pair of bolt holes 66 provided in the lower end portion of the rear wall of the cutter case 37, and a pair of connection bolts 67. Each connecting bolt 67 is mounted over one bolt hole 65 of the discharge guide 55 and one bolt hole 66 of the cutter case 37 and tightened to a nut fixed to the cutter case 37 to release the connection bolt 67. The guide 55 is connected so that the rear end side of the guide 55 is tightened and connected to the rear wall of the cutter case 37, and the connection bolt 67 is removed from the nut of the cutter case 37, thereby releasing the connection.
[0034]
One end side of the shutter 52 is rotatably attached to the outer surface side of the lateral side wall 57 of the discharge guide 55 by a connecting pin 53, and one end side is in contact with the shutter 52 and the other end is in contact with the lateral side wall 57 of the discharge guide 55. A closing biasing spring 54 configured as described above is attached to the connecting pin 53 . Thus, the shutter 52 is supported by the discharge guide 55 so as to be detachable from the cutter case 37 together with the discharge guide 55, and swings with respect to the discharge guide 55 around the axis of the connecting pin 53. A portion of the straw discharge port 35 that opens toward the rear of the machine body is opened and closed, and is biased toward the closing side by the closing biasing spring 54.
[0035]
That is, at the time of work, the discharge guide 55 is connected to the lower end side of the cutter case 37 by the locking connection structure and the tightening connection structure. Then, the discharge guide 55 forms the wall discharge port 35 behind the rotary cutter 39, and when the rotary cutter 39 performs the shredding process of the discharge wall, the shredder from the rotary cutter 39 is placed on both lateral side walls of the discharge guide 55. As shown by the solid line in FIG. 9, the shutter 52 is closed and pushed open against the spring 54 to be discharged rearward from the wall outlet 35. Further, the shredder is guided by the inner surface side of the opened shutter 52 so as to fly toward the side of the machine body opposite to the side where the shredding device 30 is located.
When the rotary cutter 39 stops shredding of the waste straw and the shredder is no longer released, the shutter 52 is automatically switched to the closed side due to the urging force of the closing spring 54 as shown by a two-dot chain line in FIG. Close the outlet 35.
[0036]
When performing an operation such as replacing the rotary blade 39 a of the rotary cutter 39, the discharge guide 35 is removed from the cutter case 37. Then, the shutter 52 is also attached to the discharge guide 55, and a working opening is formed on the lower end side of the cutter case 37, and a part of the rotary cutter 39 is exposed to this opening.
[0037]
[Another embodiment]
As the locking-type connection structure, a configuration in which a connection pin 60 is provided on the discharge guide 55 and a pin hole is provided on the cutter case 37 as in the above embodiment, and a pin is provided on the discharge guide 55 is provided. You may employ | adopt the structure which provided the hole and provided the connecting pin in the cutter case 37 direction.
[Brief description of the drawings]
[Fig. 1] Side view of the entire combine [Fig. 2] Plan view of the entire combine [Fig. 3] Longitudinal side view of the waste straw processing unit in the long straw release state [Fig. 4] Shredded release state of the waste straw processing unit [Figure 5] Rear view of the vertical drainage shredding device [Fig.6] Rear view of the discharge guide mounting part of the draining shredder [Fig.7] Side view of the discharge guide mounting structure [Fig.8] Release FIG. 9 is a perspective view of the entire guide. FIG. 9 is a plan view showing the open / close state of the shutter. FIG.
35 Discharge port 37 Cutter case 39 Rotating cutter 40 Fixed blade 52 Shutter 55 Discharge guide 56 Bottom wall 57 Side wall 60 Connection pin 61 Pin hole 67 Connection bolt

Claims (4)

A threshing feed chain that holds and conveys cereal grains toward the rear side is arranged on one side of the left and right sides of the traveling machine body, and the threshing drainer conveyed by the threshing feed chain is shredded by a rotary cutter and a fixed blade, chopped straw from the discharge port located to the rotating cutter rearward by the rotational force of the rotary cutter to a discharge straw processor structure combine that is arranged to emit to the outside of the apparatus,
A discharge guide that includes the discharge port and guides a shredder from the rotary cutter and discharges it from the discharge port is detachably connected to a cutter case in which the rotary cutter is located, And a shutter for attaching to the discharge guide in a state of being attached to and detached from the cutter case together with the discharge guide, and in a state where the shaft center is closed and biased around the axis of the connecting pin disposed in the vertical direction. It is configured such that the opposite side of the body to the feed chain is pushed rearward around the vertical axis of the connecting pin by the shredder that is released, and the shredder drainer is opened by the inner surface side of the shutter that has been opened. Combined waste straw processing unit structure configured to guide toward the side of the airframe opposite to the side where the threshing feed chain is located . The combine waster processing part structure of the combine of Claim 1 which provided the bending piece which faces the inner surface side of the said shutter along the left-right direction of the up-and-down part of this shutter. The discharge guide is composed of a bottom wall and lateral side walls standing on both lateral ends of the bottom wall. When the discharge guide is connected to the cutter case, the bottom wall is below the rotary cutter, and both lateral side walls are the rotary cutter. 3. The combine drainer processing unit structure according to claim 1 or 2 , wherein the combiner is disposed so as to be located on a lateral side of the combiner. A locking connection structure in which the other connection pin is removably inserted into one pin hole of the cutter case and the discharge guide, and a tightening connection structure in which the cutter case and the discharge guide are connected by a connection bolt, and the cutter case and the discharge guide. The combine straw removal part structure of any one of Claims 1-3 provided between guides.

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