JPH0629944Y2 - Combine culm processing device - Google Patents

Description

[Technical Field of the Invention] [Technical Field of the Invention] The present invention relates to a combine culm treatment device capable of alternately treating culm discharged from a threshing device into a cutting straw state and a long straw state. It is a thing.

[Prior art]

This kind, culmination, as an exhaust straw processing device that can be alternately and repeatedly processed into a cutting straw state and a long straw state, for example, Japanese Utility Model Laid-Open No. 50-148271 has been proposed, which is disclosed in this publication. As shown in FIG. 6, the movable rail 6 disposed below the discharged straw transporter 2 is adapted to be intermittently switched between the horizontal posture and the inclined posture.

Then, when the movable rail 6 is in the horizontal posture, the culm is supplied to the rear long straw converging / discharging device 7, and when the movable rail 6 is in the inclined posture, the culm is supplied to the lower straw cutter 5 to cut into the field. It is designed to be alternately released into a straw state and a long straw state, and about half the amount of culm in that field is spread and returned to the field as a cutting straw for compost, and the remaining approximately half amount of long straw is collected. In this way, the excessive reduction amount is prevented.

However, since the culms conveyed on the conveying path intersect each other, the culms easily catch on the fixed separating portion D that separates the culms in two directions, and the movable rail 6 swings up and down. In the above, since the culms are apt to be disturbed, there is a problem that the culms are clogged in the culms conveyance route.

[Purpose of device]

The present invention was made in view of the above-mentioned conventional circumstances to solve the problem, in which culms are alternately separated into a cutting device and a long straw discharging device by a rotating separating blade. It is an object of the present invention to provide a combine culmination treatment device capable of achieving the above.

[Constitution of device]

According to the present invention, there is provided a combined culvert treatment device for achieving the above object, which is a culm treatment device provided at the rear of a culm conveying device, the culm treatment device including a cutting device and a long straw discharging device. , The cutting device has a large number of cutting blades for shredding culms,
The cutting blade has a diameter larger than that of the cutting blade and is arranged at a larger interval than the cutting blade, and further, above the cutting blade, a separating blade in which a cutting blade portion and a separating portion are alternately formed is provided, The present invention is characterized in that the culms are alternately separated over the cutting device and the long straw discharging device by the rotation of the separating blade.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

The combine 15 is adapted to be driven by a traveling device 17 that drives a pair of left and right crawlers 16, 16 that are grounded,
A threshing device is installed on a machine stand 18 arranged above the traveling device 17.
19 is mounted, and in front of the threshing device 19, a pretreatment device (not shown) for cutting the napped culms and supplying the cut grain culms to the threshing device 19 is provided. Behind the threshing device 19, a cutting device 20 and this cutting device 20
An culm processing device 22 composed of a long straw discharging device 21 arranged at the rear of the threshing device 21 is arranged, and threshing is provided between the cutting device 20 and the feed chain (not shown) end of the threshing device 19. A culm transporting device 23 is provided for transporting the later culm toward the cutting device 20.

The cutting device 20 is rotatably provided with rotary shafts 24 and 26 extending along the culm direction of the culms discharged from the threshing device 19, and the rotary shafts 24 and 26 are respectively provided with predetermined intervals in the axial direction. The cutting blades 25 and 27, which are fixed at a distance from each other, face each other so that the culms can be shredded. Also, the rotation axis
The 24 is provided with two cutting blades 28 fixed at intervals so as to divide the culm length of the culm into three, and the cutting blades 28 are formed with a diameter larger than the diameter of the cutting blade 25 described above. ing.
Gears 41 and 42 meshing with each other are fixed to the shaft ends of the rotary shafts 24 and 26.

Above the cutting device 20, a separation shaft 31 located above the rotation shaft 24 is arranged in parallel with the rotation shaft 24.
A separating blade 30 which is paired with the dividing blade 28 is fixed to the separating blade 28. As shown in detail in FIG. 3, the separating blade 30 has a hexagonal mounting hole which is fitted in the separating shaft 31 at its central portion. 32 are provided, dividing blade portions 33 are formed on the upper and lower sides on the outer periphery, and separating portions 34 that are notched in a concave shape and have no dividing blade portions are formed on the left and right sides, respectively.
A pulley (not shown) fixed to the separation shaft 31 is provided on each side of the, and an arm portion 35 extending rearward from the separation shaft bracket 35.
At the rear end of a, a conveyor belt 36 wound around a pulley (not shown) rotatably supported is arranged. The conveyor belt 36 and the conveyor belt 36 are arranged below the conveyor belt 36. A long straw conveying device 40 including a conveying rail 37 extending in the front-rear direction is configured, and a sliding path 37 is formed behind the long straw conveying device 40.
The above-mentioned long straw discharging device 21 is provided via a.

The rotary shaft 26 is driven and rotated from the intermediate shaft 44 by a transmission chain 46 wound around a sprocket 43 fixed to the stock shaft side end of the rotary shaft 26 and a sprocket 45 fixed to the intermediate shaft 44. In addition, the separation shaft 31 is driven from the rotation shaft 26 by a transmission chain 49 wound around a sprocket 47 fixed to the tip end shaft end of the rotation shaft 26 and a sprocket 48 fixed to the shaft end of the separation shaft 31. It has become.

As shown in FIG. 1 and FIG. 2, a bundling device 21 is provided as a long straw releasing device, but a long bunch convergent releasing for bundling a predetermined amount and releasing it to the field without bundling the culms. A device may be provided. This bundling device 21 is configured as follows.

That is, the binding passage 55 connected to the rear of the slide-down path 37a.
On the underside, the needle (not shown) and packer 56, door
57 and the like, and a building, a knot holder, a discharge arm 58, and the like, which are not shown, are arranged above the bundling passage 55. The bundling device 21 includes the sprocket 61 fixed to the bundling shaft 59 and the aforementioned. The rotating chain 26 is driven and rotated from the rotating shaft 26 side by a transmission chain 63 wound around a sprocket 62 fixed to the tip side shaft end of the rotating shaft 26.

Thus, the culms transported by the culm transporting device 23 along the culm transporting path are supplied to the separating blade 30 from the end of the culm transporting device 23.

At this time, the separating blade 30 does not have a cutting blade extending over the entire outer circumference thereof, and the dividing blade portions 33 and the separating portions 34 are alternately provided on the periphery, so that the dividing blade portion 33 and the lower portion are provided. Rotary blade
At the rotational position of the separating blade 30 shown in FIG.
The culm is divided into three pieces in the lengthwise direction and dropped and supplied to the cutting device 20 below, and a large number of cutting blades 25 provided in the cutting device 20.
And 27, cut into a predetermined length and cut into straws.
65 is sprayed to the field and returned to the field as compost.

In addition, a second section in which the separating section 34 and the lower cutting blade 28 are provided in opposition.
At the rotation position of the separating blade 30 shown in the figure, the culm is moved to the rear by the rotation of the separating unit 34 without being divided, and is conveyed toward the long straw discharging device 21 arranged rearward by the long straw conveying device 40. The collected long straw 66 is discharged to the field as a bundled (straightened) state of straw 66, and the long straw 66 is reused as straw after being collected in the field without being returned as compost.

Then, in the field where the combine 15 has progressed, the cutting straw 65 state of the culm by one rotation of the separating blade 30 and the long straw 66 not cutting.
It can be released so that the state and the state repeat alternately.

Therefore, as the combine progresses, approximately half of the culm in the field can be evenly spread over the field as cutting straws 65 that are returned to the field. Also, this cutting straw 65 and long straw 66
Since it is possible to separate the culms by the presence or absence of cutting by the rotation of the separation blade 30, even if the culms that are conveyed in the conveyance route of the culm conveying device 23 intersect each other, uncut Only the culms can be conveyed toward the long straw focusing device 21 side by the separating portion 34 of the separating blade 30, and the culms can be reliably separated, so that the culms are bidirectional as in the conventional example. It is easy to catch the culm on the separating portion D which is separated into two, and the culms are easily disturbed on the movable rail 6 that swings up and down, so that the problem that the culms are clogged in the culm conveying path is solved. You can

[Effect of device]

In summary, the combined culm processing device according to the present invention is a culm processing device provided at the rear of the culm transporting device, and the culm processing device is composed of a cutting device and a long straw discharging device. The device has a large number of cutting blades for shredding culms,
The cutting blade has a diameter larger than that of the cutting blade and is arranged at a larger interval than the cutting blade, and further, above the cutting blade, a separating blade in which a cutting blade portion and a separating portion are alternately formed is provided, By rotating the separating blade, the culms are alternately separated between the cutting device and the long straw discharging device, so that the rotating separating blade can alternately separate the culms into the cutting work and the long straw discharging device. However, since the separation of the culm by cutting straw and long straw can be performed by the presence or absence of cutting by the rotation of the separating blade in which the dividing blade portion and the separating portion are alternately provided, Even if the culms that are transported in the transport path of the transport device intersect with each other, only the uncut culms can be transported toward the long straw discharging device side by the separating part of the separating blade, and at the same time cut The discharged culm can be reliably supplied to the cutting device. Come, it is possible to perform the separation of reliable Hai稈.

[Brief description of drawings]

The drawings show one embodiment of the present invention, wherein FIG. 1 is a side vertical cross-sectional view of a culms processing device, FIG. 2 is an operation explanatory view showing a side vertical cross-section of the culms processing device, and FIG. Is an enlarged side view of the separating blade, FIG. 4 is a plan view of the culm processing device, FIG. 5 is a perspective view of the culm processing device, and FIG. 6 is a side view longitudinal sectional view of the culm processing device showing a conventional example. is there. 15 …… Combine, 20 …… Cutting device, 21 …… Long straw discharge device, 22 …… Waste culm processing device, 23 …… Waste culm carrier device, 30 ……
Separation blade, 33 ... Dividing blade part, 34 ... Separation part, 65 ... Cutting straw, 66 ... Long straw.

Claims (1)

[Scope of utility model registration request] 1. A culm processing device provided at the rear of a culm transporting device, wherein the culm processing device comprises a cutting device and a long straw discharging device, and the cutting device further comprises a plurality of devices for cutting the culm. And a cutting blade having a larger diameter than the cutting blade and arranged at a larger interval than the cutting blade, and further, above the cutting blade, a cutting blade portion and a separation portion are formed alternately. A combine culvert treatment device which is provided with a blade and is configured to alternately separate the culm by a cutting device and a long straw discharging device by rotating the separating blade.