JP4225877B2 - Combine waste water treatment equipment - Google Patents

Description

  In the present invention, a spiral screw capable of driving and rotating to diffuse the shredded straw falling from the waste straw cutter section in the lateral direction of the machine body is provided below the waste straw cutter section for shredding the threshing waste straw. The present invention relates to a combine waste discharging apparatus.

The above-mentioned waste straw processing apparatus is configured such that the shredded straw shredded by the waste straw cutter section is dispersed in the lateral direction of the machine body and dropped onto the field scene for diffusion treatment by the spiral screw.
Conventionally, as this type of waste straw processing apparatus, as shown in Patent Document 1, for example, a waste straw cutter is used to shred the threshing waste straw by the disk cutters 11a, 12a of the pair of front and rear cutter shafts 11, 12. When the spiral screw 20 is driven below the exhaust wall cutter unit and the spiral screw 20 is switched to the diffusion guide configuration, the spiral screw 20 is shredded from the disk cutters 11a and 12a. Have been diffused so as to be dispersed in the transverse direction of the aircraft.

JP-A-8-228576 ([0013] column, FIGS. 2, 4)

  In the above-described waste straw treatment apparatus, the shredded straw flows toward the wall of the waste straw treatment case due to the diffusion action by the spiral screw. For this reason, conventionally, when a large amount of threshing waste straw is supplied or when the waste straw is damp, especially when it is operated at high speed, the mud adhering to the straw and the straw adheres to the inner wall surface of the waste straw treatment case. Because of this, straw and mud may stay and become clogged.

  An object of the present invention is to provide an apparatus for treating a combined waste straw that can diffuse and release shredded straw while making it difficult to cause clogging of straw and the like.

In the first aspect of the invention, below the waste straw cutter unit for shredding the threshing waste straw, the drive-rotating spiral for spreading the shredded straw falling from the waste straw cutter part in the lateral direction of the machine body In the combined waste removal processing apparatus provided with a screw, a straw receiving unit disposed between the screw plate of the helical screw and the waste straw treatment case wall and connected to the screw shaft of the helical screw so as to be integrally rotatable. e Bei plate, are then circumferentially nail scraping the outer peripheral edge of the straw receiving plate.

  In other words, even if straw scraps and mud flow toward the processing case wall due to the diffusion treatment by the spiral screw, they are received by the straw receiving plate rotating together with the screw shaft between the processing case wall and the screw plate. It becomes difficult to adhere to the case wall, and it also becomes difficult to remain attached to the wall receiving plate due to the rotation of the wall receiving plate. As a result, even if the shredded straw flows toward the processing case wall due to the diffusion treatment by the spiral screw, even if a large amount of waste straw is supplied or wet, the end of the spiral screw It becomes difficult to stay at.

  Therefore, according to the first aspect of the present invention, the shredded straw can be diffused and dropped in the field for diffusion treatment by the spiral screw, and the processing case regardless of the supply amount of the waste straw and the magnitude of the wetness. It is hard to clog with straw and mud inside and can work efficiently.

According to the configuration of the first aspect of the present invention, when straw waste and mud flow near the processing case wall for diffusion treatment by the spiral screw, or flow around the wall receiving plate along its outer periphery, It is easily scraped out by the scraping claw that rotates together with the stopper plate and is easily discharged from the processing case.

Therefore, according to the first aspect of the invention, straw scraps and mud are less likely to stay due to the scraping action by the scraping claw, and clogging of straw scraps and mud is less likely to occur.

This In the second aspect, in the first shot Ming configuration, between the straw receiving plate and the screw plate of the screw shaft, is provided to freely rotate integrally exhaust straw scraping member.

  That is, when the waste scraps and mud flow to the end of the spiral screw for the diffusion treatment by the spiral screw, the scraper scraping body that rotates together with the screw shaft is easily scraped and discharged from the spiral screw.

Therefore, according to the second aspect of the present invention, straw scraps and mud are also provided with a scraping action by the scraping body, so that they are more difficult to stay and clogging of straw scraps and mud is further less likely to occur.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a pre-cutting process is performed on the front part of a body frame 3 of a traveling machine body that is configured to be self-propelled by a crawler type traveling device 1 and that has a riding-type driving unit having a driving seat 2. The base end part of the pre-processing part frame 4a of the part 4 is rotatably connected, and the threshing device 10 and the grain tank 5 are provided in the rear part of the machine body frame 3, and the waste wall shredding device is provided in the rear part of the threshing apparatus 10. The waste straw processing apparatus provided with 20 is provided, and the combine is comprised.

  This combine harvests grains such as rice and wheat. When the lift cylinder 6 linked to the pretreatment unit frame 4a is operated, the lift cylinder 6 moves the pretreatment unit frame 4a against the traveling machine body. By swinging up and down, the pre-cutting processing unit 4 is raised and moved up and down to a lowering work state in which the lower end side of the device 4b is located near the ground and to a non-working state in which the raising device 4b is raised above the ground. . When the pre-cutting processing unit 4 is in a descending work state and the self-propelled machine body is run, the pre-cutting processing unit 4 causes the plurality of pulling devices 4a arranged in the horizontal direction of the machine body to cause and process the planted culm and plant it. The cereals are reaped by one clipper-type reaping device 4c, and the reaped cereals from the reaping device 4c are conveyed toward the rear of the machine body by the conveying device 4d and supplied to the starting end of the threshing feed chain 11 of the threshing device 10. . While the threshing device 10 clamps and conveys the stock side of the harvested cereal meal by the threshing feed chain 11, the threshing device 10 supplies the tip side to a handling room (not shown) and performs the threshing process. The grain tank 5 collects and stores the threshed grains from the threshing apparatus 10. The waste straw treatment device performs a long straw discharge process for dropping the threshing waste straw from the threshing device 10 in the long straw state, or performs a shredded release process for shredding and dropping to the rear of the fuselage. To do.

  The waste straw processing device will be described in more detail. As shown in FIGS. 2 and 3, the waste straw processing device is disposed at the rear portion of the threshing machine body of the threshing device 10. The threshing drainer carried out from the handling chamber (not shown) by the threshing feed chain 11 is connected to a stock-side holding and conveying device and a tip-side locking and conveying device (not shown) located at the rear of the threshing machine. )) And is conveyed from the threshing feed chain 11 to the upper side of the waste straw treatment case 21 in a sideways posture in the rearward direction toward the rear of the machine body. Is provided with a long straw outlet 45.

  The waste straw shredding device 20 includes the waste straw processing case 21, a waste side cutter section 20 a having a machine body transverse cutting shaft 22 and a supply shaft 23 provided in an upper portion of the waste straw processing case, and the waste straw processing. The traveling machine body is provided with a spiral screw 30 facing the traveling machine body provided below the exhaust wall cutter 20a in the case.

  At the upper part of the waste straw processing case 21, a waste straw receiving port 21a that opens upward, and the rear end of the waste straw processing case 21 so as to open and close the waste straw receiving port 21a and the long straw outlet 45. A lid 24 attached so as to be swingable up and down around a lateral axis of the machine body is provided on the side, and a conveyance terminal side portion 41a of a conveyance guide rod 41 of the stocker side holding conveyance device in the waste straw conveyance device 40 is provided. A lodging guide that is slidably adjusted to the extended state pulled out from the conveyance start end side portion 41b to the rear side of the machine body, and that the lid 24 is lowered and swung to close the discharge outlet receiving port 21a and open the long wall discharge port 45. When the operation is switched to the posture, the stocker side holding and transporting device sandwiches and transports the stocker side of the threshing waste straw to the upper side of the rear end side of the waste straw processing case 21, and the lid 24 is discharged. Transport device 4 It is arranged to fall guided by the outer surface side of the lid 24 to the fallen threshed discharge straw to exiting the long straw outlet 45 from. As shown in FIG. 3, the conveyance end side portion 41a of the conveyance guide rod 41 is slid and adjusted to a shortened state retracted toward the conveyance start end side portion 41b, and the lid body 24 is lifted and swung. When the waste straw receiving port 21a is opened and the long straw discharge port 45 is switched to the standing guide posture, the stock holding side holding and conveying device moves the stock side of the threshing waste straw to the upper side of the waste straw receiving port 21a. The threshing waste straw that has been sandwiched and transported and dropped and the lid body 24 dropped from the waste straw transporting apparatus 40 is guided to fall on the inner surface side of the lid body 24 so as to enter the waste straw receiving port 21a.

  As shown in FIGS. 3 and 4, the waste straw cutter unit 20 a is scraped with the cutting shaft 22 formed of a hexagonal shaft facing the machine body, and the disk cutting blades 25 provided at a plurality of locations in the axial direction of the cutting shaft 22. A cutting blade unit including a cutting portion formed of a disk 26, a cylindrical blade 22a that holds a space between adjacent disk cutting blades 25 at a set interval, the supply shaft 23 formed of a hexagonal shaft facing the machine body, and the supply shaft 23 A cutting edge formed by a disk receiving blade 27 and a scraping disk 28 provided at a plurality of locations in the axial direction, and a receiving blade unit provided with a cylindrical spacer 23a for keeping the interval between adjacent disk receiving blades 27 at a set interval. In addition, it is configured so as to be rotatable below the waste wall receiving port 21a in the waste wall treatment case.

  The cutting shaft 22 is rotated as shown in FIG. 3 by a cutter driving mechanism 50 using a transmission belt provided to transmit power from the threshing device 10 to the lateral outer side of the waste straw processing case 21 as shown in FIGS. Each disk cutting blade 25 and each scraping disk 26 provided on the cutting shaft 22 are driven with respect to the supply shaft 22 by hexagonal mounting holes. By being fitted and engaged so as to be integrally rotatable, the cutting shaft 22 is connected so as to be integrally rotatable.

  2 and 3, the supply shaft 23 is driven by a driving force transmitted from the cutting shaft 22 via a gear mechanism 51 linking the cutting shaft 22 and the supply shaft 23 on the lateral outer side of the waste straw treatment case 21. The disc receiving blades 27 and the scraping discs 28 provided on the supply shaft 22 are driven in a hexagonal shape so as to rotate at a lower speed than the cutting shaft 22 in the rotation direction B shown in FIG. By being externally fitted to the supply shaft 23 through the mounting holes and being engaged with the supply shaft 23 so as to be integrally rotatable, the supply shaft 23 is connected to be integrally rotatable.

FIG. 4 shows the positional relationship of the disc cutting blade 25, the disc receiving blade 27, and the scraping discs 26 and 28 in each of the cutting portions of the cutting shaft 22 and the cutting portion of the supply shaft 23 corresponding to the cutting portion. It is like this.
That is, the edge portions of the disk cutting blade 25 and the disk receiving blade 27 overlap each other between the cutting shaft 22 and the supply shaft 23 in the radial direction of the disk cutting blade 25 and the disk receiving blade 27. In this way, at the portion where the edge portions of the disk cutting blade 25 and the disk receiving blade 27 overlap, the scraping disk 26 attached to the cutting shaft 22 (hereinafter referred to as the cutting disk-side scraping disk 26). 6 is provided around the disc cutting blade 25 of the cutting shaft 22 and the disc receiving blade 27 of the supply shaft 23 with respect to the disc cutting blade 25 of the cutting shaft 22 and the disc receiving blade 27 of the supply shaft 23. As shown in FIG. 6, a claw claw 28a as shown in FIG. 6 is provided around the outer peripheral edge of the scoring disk 28 attached to the supply shaft 23 (hereinafter referred to as a scoring disk 28 on the supply shaft side). It is located on the side opposite to the side where the scraping action part is located, and the scraping action part of the scraping disk 28 on the supply shaft side includes the disk cutting blade 25 of the cutting shaft 22 and the disk receiving blade of the supply shaft 22. 27. The above-mentioned scraping work of the scraping disk 26 on the cutting shaft side with respect to 27 Part is turned positional relationship on the opposite side to the side where it is located.

  As shown in FIG. 6, the arrangement pitch 26 p of the claw claw 26 a provided around the cutting disc 26 on the cutting shaft side and the arrangement pitch of the claw capping 28 a provided around the supply disc 28 on the cutting shaft side. 28p, the scraping claw arrangement pitch 26p of the scraping disk 26 on the cutting shaft side is set larger than the scratching claw arrangement pitch 28p of the scraping disk 28 on the supply shaft side.

  In other words, the waste straw cutter unit 20a is provided with a scraping disc 28 on the supply shaft side and a cutting shaft side for rotating the threshing waste straw dropped and supplied into the waste straw processing case 21 from the waste straw receiving port 21a in opposite directions. The disc cutting blade 25 of the cutting shaft 22 and the supply shaft 23 which are scraped between the supply shaft 23 and the cutting shaft 22 by the scraping action of the scraping claws 28a, 26a of the scraping disc 26 and rotated in opposite directions to each other. The disc receiving blade 27 is shredded in the slimming direction into a shredder having a length determined by the arrangement pitch of the disc cutting blades 25. At this time, the disk cutting blade 25 and the disk receiving blade 27 which are located on both sides of the edges of the disk cutting blade 25 and the disk receiving blade 27 which are overlapped with each other in the radial direction of the disk cutting blade 25 and the disk receiving blade 27, respectively. The cutting process is performed while receiving and supporting the waste straw so as not to escape from the disk cutting blade 25 and the disk receiving blade 27 by the scraping disk 26 on the cutting shaft side. The shredded warp after the cutting process is dropped from between the supply shaft 23 and the cutting shaft 22 toward the draining outlet 21b provided with the discharge guide plate 29 on the lower end side of the draining case 21.

  As shown in FIG. 4, the spiral screw 30 is attached to the screw shaft 31 rotatably attached to the left and right lateral side walls 21 c and 21 d of the waste wall treatment case 21, and integrally attached to both ends of the screw shaft 31. The screw plates 32 and 33 and a pair of scraping plates 34 attached to the screw shafts 32 and 33 of the screw shaft 31 so as to be integrally rotatable are provided. The input belt pulley 52 provided at the projecting end portion so as to be rotatable integrally is driven to rotate by a driving force transmitted from the cutting shaft 22.

  Among the pair of screw plates 32 and 33, the screw screw 32 that is located on the left side of the machine body from the scraping plate 34 and that causes the shredded straw that has fallen from the discharge wall cutter portion 20a to flow toward the left side of the machine body. The chopped straw that has fallen from the waste straw cutter section 20a is directed to the right side of the machine body on the tip side screw board 33 that is located on the right side of the machine body from the scraping plate 34 of the pair of screw plates 32 and 33. It is provided with a screwing direction to flow.

  That is, the spiral screw 30 scrapes the shredded straw that has dropped from the center of the waste straw cutter section 20a toward the waste straw discharge port 21b by the pair of scraping plates 34, and from the stock side of the waste straw cutter section 20a. The fallen shredder is discharged to the waste outlet 21b while flowing to the left side of the machine body by the stocker side screw plate 32, and the shredded straw dropped from the tip side of the waste straw cutter unit 20a is removed from the tip side screw plate. While being flown to the right side of the machine body by 33, the waste is discharged to the waste outlet 21b. Thereby, the spiral screw 30 performs the diffusion process in the horizontal direction of the machine body so that the shredded straw from the discharge wall cutter unit 20a is dispersed in the horizontal direction of the machine body and falls on the field scene.

  As shown in FIG. 5 and the like, a straw catching plate 35 disposed between the stock-side screw plate 32 of the spiral screw 30 and the left lateral wall 21c of the waste straw treatment case 21, and this straw catching plate A plate-shaped waste straw scraping body 36 disposed between 35 and the stocker side screw plate 32 is connected to the screw shaft 31 so as to be integrally rotatable. As shown in FIG. 7, a scraping claw 35a formed integrally with the wall receiving plate 35 by a material constituting the wall receiving plate 35 is provided around the outer peripheral edge of the wall receiving plate 35. is there.

In short, in this waste drainer processing device, the transport end side portion 41a of the transport guide rod 41 of the waste wall transport device 40 is switched between the extended state and the shortened state, and the lid 24 of the waste wall processing case 21 is opened and closed. By switching, it switches to the processing form which discharge | releases a threshing waste straw with a long straw state, and the processing form which shreds and discharge | releases.
That is, when the transfer terminal side portion 41a of the transfer guide rod 41 is switched to the extended state and the lid body 24 is switched to the collapsed closed state, the threshing drainer carried out of the handling chamber by the threshing feed chain 11 is discharged to the discharger transfer device 40. Is transferred to the rear side of the threshing machine body, and when the stocker side reaches the rear upper part of the waste straw processing case 21, the stocker side clamping transport device releases the pinch and drops onto the waste straw processing case 21 from the waste straw transporter device 40. Let The threshing waste straw dropped on the waste straw treatment case 21 is guided to fall to the rear side of the machine body by the outer surface side of the lid body 24 and is dropped from the long straw discharge port 45 to the rear side of the machine body in the long straw state.

When the transfer end side portion 41a of the conveyance guide rod 41 is shortened and the lid body 24 is switched to the standing open position, the threshing waste straw carried out of the handling chamber by the threshing feed chain 11 is threshed by the waste straw conveying device 40. When the stocker side reaches the upper part of the front side of the waste straw processing case 21, the stocker side clamping transport device releases the nail and drops it from the waste straw transporter device 40 onto the waste straw processing case 21. . The threshing waste straw dropped on the waste straw treatment case 21 is dropped onto the cutting shaft 22 and the supply shaft 23 from the waste straw receiving port 21a. The threshing waste straw that has fallen on the cutting shaft 22 and the supply shaft 23 is scraped and supplied between the disk cutting blade 25 and the disk receiving blade 27 by the scraping disk 26 on the cutting shaft side and the scraping disk 28 on the supply shaft side. The lever cutting blade 25 and the disk receiving blade 27 chop the chopping blade having a length determined by the arrangement pitch of the disk cutting blades 25 in the slimming direction. At this time, as shown in FIG. 8, the threshing drainer is received and supported by the scraping disk 28 on the supply shaft side so as not to escape from the edge of the disk cutting blade 25, and does not escape from the edge of the disk receiving blade 27. Cutting is performed while being received and supported by the scraping disk 26 on the cutting shaft side. The waste straw that has been shredded by the cutting process is dropped onto the spiral screw 30 from between the cutting shaft 22 and the supply shaft 23, and is diffused by the spiral screw 30 so as to fall on the field and to fall on the field scene. And let it fall from the exhaust outlet 21b.
When the diffusion treatment by the spiral screw 30 is performed, the shredder that has been flown by the stock-side screw plate 32 of the spiral screw 30 and has reached the vicinity of the end of the spiral screw 30 or the mud adhering to this is removed. The scraper scraping body 36 is scraped toward the draining outlet 21b so as not to be pressed against the inner surface of the left side wall 21c of the left side wall 21c and is received by the stopper receiving plate 35. The scraping claw 35a performs the diffusion process while scraping it toward the discharge outlet 21b.

  As shown in FIG. 3, a wind inlet 55 facing the outlet of the dust exhaust fan 12 located at the rear of the threshing machine body, and the wind inlet 55 in the waste separator processing case 21 of the drainer shredder 20. A wind guide plate 56 is provided to form an air path from the exhaust outlet to the exhaust outlet 21b. That is, the dust exhaust fan 12 sucks the dust generated inside the threshing machine body together with the sorting wind and discharges it to the outside of the threshing machine body, but the exhaust air exhausted from the dust exhaust fan 21 is exhausted at the rear part of the threshing machine body. The exhausted air discharged from the dust exhaust fan 21 is discharged from the wind inlet 55 to the inside of the exhaust fan processing case 21 so as not to cause a situation where it flows down to the dust outlet 13 and becomes an obstacle to the dust emission from the dust outlet 13. And is discharged from the exhaust outlet 21b. Further, in this case, it is possible to remove chopped straw attached to the inside of the waste straw treatment case 21 by using the wind exhausted from the dust exhaust fan 12 as cleaning air.

[Another embodiment]
Mud is often attached to the threshing waste straw stock side, and there is a straw receiving plate 35 and a waste straw scraper 36 at the end of the spiral screw 30 where the stock screw side 32 is located. If this is not done, the waste straw and the like will easily adhere to the lateral side wall 21c of the waste straw treatment case 21. For this reason, in the said embodiment, although the straw catcher plate 35 and the waste straw scraper scraping body 36 are provided between the stock-source-side screw plate 32 of the spiral screw 30 and the left lateral side wall 21c of the straw processing case 21, You may implement by providing also between the tip side screw board 33 of the spiral screw 30, and the right side wall 21d of the waste straw processing case 21. FIG.

Side view of the entire combine Side view of waste waste treatment equipment Longitudinal side view of draining shredder Longitudinal rear view of draining shredder Rear view of the draining cutter shredding device showing the end of the draining cutter and the spiral screw Side view of scraping disk on cutting shaft side and supply shaft side Side view of the stopper plate Explanatory drawing which shows a waste straw cutting state

Explanation of symbols

20a Waste Wall Cutter 21c Waste Wall Processing Case Wall 30 Spiral Screw 31 Screw Shaft 32 Stock-side Screw Plate 35 Wall Receiving Plate 35a Scraping Claw 36 Waste Wall Scraper

Claims (2)

A combine drainer provided with a drive-rotating spiral screw that diffuses the shredded straw falling from the waste straw cutter part in the transverse direction of the machine body below the waste straw cutter part that shreds the threshing waste straw. A processing device comprising:
Wherein a screw plate of the helical screw, Bei give a straw receiving plate which is rotatably connected to rotate integrally to the screw shaft of the screw coil disposed between the exhaust straw processing case wall,
A combiner draining apparatus for processing a combine, wherein a scraping claw is provided around an outer peripheral edge of the wall receiving plate . 2. The combine drainer processing apparatus according to claim 1 , wherein a scraper scraper is provided so as to be integrally rotatable between the stopper receiving plate of the screw shaft and the screw plate .

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