JP2007282638A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide such a combine harvester that, while straw wastes cut by a cutter can be diffused by a diffuser and dropped onto a farm, materials discharged from an exhaust dust treatment unit can be guided via a discharge guide member onto the diffuser and diffused efficiently. <P>SOLUTION: The combine harvester has the following construction: The exhaust dust treatment unit(28) is so constructed that an exhaust dust cylinder(29) whose axial direction is parallel to that of a threshing cylinder(11) is axially mounted and a lattice-like treatment net(30) is set up under the exhaust dust cylinder(29). Following a grain culm feeding and conveying apparatus(27), the cutter(38) is set on the terminal end of a discharged straw conveying apparatus(37) functioning to convey discharged threshed straw. The discharge guide member(45) functioning to guide discharged materials discharged from the exhaust dust treatment unit(28) to the diffuser(41) set under the cutter(38) is set on the terminal end of the exhaust dust treatment unit(28), wherein the discharge guide member(45) is provided with an inclined part(47) inclined transversely when viewed from the back of the machine body. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a combine.

  Conventionally known Patent Document 1 discloses a handling room for threshing by a handling cylinder that rotates a grain that is being conveyed by the grain supply and conveyance device, a wind selection room formed below or behind the handling room, and the grain It describes about the structure which has the waste conveying apparatus which conveys the threshing waste after the supply conveying apparatus.

Also known are a configuration in which a dust disposal device is provided at the end of the handling chamber, a configuration in which a cutter device is provided at the end of the waste transporting device, and a configuration in which a diffusion device is provided below the cutter device.
JP-A-57-206309

The known example has a problem that the discharge discharged from the dust treatment apparatus is discharged as a lump.
That is, since the dust removal processing device surrounds the dust removal cylinder with a net, the processed material that does not fall from the net is discharged in a lump state, and the diffusion device is provided below the cutter device. It has been found that the discharge from the dust treatment device is caused by falling before being diffused by the diffusion device.

  The present invention prevents the sawdust cut by the cutter device and the dust discharged from the dust treatment device and the wind sorting chamber from falling in a lump state.

In order to solve the above-described problems, the present invention takes the following technical means.
That is, a threshing device (2) is provided above the traveling device (1), a cutting part (3) is provided in front of the threshing device (2), and a glen tank (4) is provided on the side of the threshing device (2). Provided, a handling chamber (10) is provided in the upper part of the threshing device (2), a cereal supply and transfer device (27) is provided on one side of the handling chamber (10), and a handling cylinder ( 11), a handling net (12) is provided below the handling cylinder (11), and a transfer shelf (15) in front of the swing sorting shelf (14) is provided below the handling net (12). , A sheave (16) is provided on the rear side of the transfer shelf (15), a stroller (17) is provided on the rear side of the sheave (16), and a pot is placed below the swing sorting shelf (14). (18), a first conveyor (20), and a second conveyor (21) are provided, and a treatment room discharge port (23) for discharging a workpiece not leaking from the treatment net (12) is provided in the treatment room (1 ), And a dust removal processing device (28) is provided on the side opposite to the grain supply / conveyance device (27) at the termination of the handling chamber (10), and the dust removal processing device (28) is started. The communication port (31) provided in the communication chamber is communicated with the terminal side of the handling chamber (10), and the dust treatment apparatus (28) is connected to the handling drum (11) and the dust removal drum (29) whose axial direction is parallel. And a grid-like processing net (30) provided on the lower side of the dust removal drum (29), followed by the grain supply / conveying device (27) for conveying the threshed waste. A cutter device (38) is provided at the end of the culvert conveying device (37), and the discharged material discharged from the dust disposal device (28) is guided to a diffusion device (41) provided below the cutter device (38). A discharge guide member (45) is provided at the end of the dust treatment device (28), and the discharge guide member (45) Is obtained by the combined, characterized in that the inclined portion inclined in the lateral direction (47) is provided.

  According to the present invention, the waste discharged by the cutter device 38 can be diffused by the diffusing device 41 and dropped to the field, while the discharged material discharged from the dust processing device 28 is discharged to the discharge guide member 45. Can be efficiently guided and diffused on the diffusing device 41.

  An embodiment of the present invention will be described with reference to the drawings. 1 is a traveling device, 2 is a threshing device provided above the traveling device 1, 3 is a cutting part provided in front of the threshing device 2, and 4 is a threshing device 2 side. A grain tank provided in the section, 5 is a cerealing device for discharging grains in the grain tank 4, and 6 is a discharge auger.

  A handling chamber 10 is provided on the upper side of one side of the threshing device 2 (left side in the machine body traveling direction), and a handling cylinder 11 is mounted in the handling chamber 10. The lower side of the handling cylinder 11 is surrounded by a handling net 12 to form the handling chamber 10.

  A transfer shelf 15 of the swing sorting shelf 14 of the swing sorting device 13 is placed below the handling net 12. The swing sorting shelf 14 is configured by providing a sheave 16 on the rear side of the transfer shelf 15 and providing a stroller 17 on the rear side of the sheave 16. A blower ridge 18 is provided below the transfer shelf 15, and the swing sorting shelf 14 reciprocally swings in the blowing direction of the blower ridge 18. Reference numeral 19 denotes a wind selection chamber provided with a swing sorting device 13.

A first conveyor 20 is provided below the swing sorting shelf 14, and a second conveyor 21 is provided behind the first conveyor 20.
On the terminal side of the handling chamber 10, a handling chamber discharge port 23 is provided for discharging a workpiece that does not leak from the handling net 12.

  Thus, on either one of the left and right sides of the handling chamber 10, there is provided a cereal supply / conveying device 27 for supplying cereals to the handling chamber 10, and the termination of the handling chamber 10 on the opposite side of the shed supply / conveying device 27. Is provided with a dust disposal device 28. The dust removal processing device 28 is provided with a dust removal drum 29 whose axial center direction is parallel to the handling drum 11, and the lower side of the dust removal drum 29 or the wind selection chamber 19 side is formed in a woven net or a lattice shape. The dust disposal apparatus 28 is surrounded by a net 30 and communicated with the end side of the handling chamber 10 through an opening (communication port) 31 provided on the start end side. Reference numeral 32 denotes processing teeth provided on the outer periphery of the dust exhaust drum 29.

  A second processing device 33 is provided on the side of the handling chamber 10 on the opposite side of the grain supply / conveying device 27, and the second processing device 33 is a second processing provided concentrically with the dust removal drum 29. The outer periphery of the cylinder 34 is surrounded by a processing net 35 and the end of the second conveyor 21 and the second processing device 33 are connected by a second object returning device 36.

  Accordingly, the end of the cereal supply and transport device 27 faces the start end of the sewage transport device 37 that transports the shed slaughtered waste. It faces the cutter device 38 in the left-right direction provided. The cutter device 38 is a well-known device, and includes a pair of front and rear cutter blades 39 arranged side by side.

  A dust discharge port 40 opened at the end of the dust removal processing device 28 is faced below the cutter device 38, and a horizontal diffusion device 41 is provided below the dust discharge port 40. The diffusing device 41 is configured by mounting a helically rotating wing 42 that is driven to rotate.

In this case, the spiral wing body 42 is provided below the discharge port 43 where the Strollac 17 faces and close to the discharge port 43 as much as possible.
That is, by making the spiral wing body 42 as close as possible to the discharge port 43, the discharge from the dust discharge port 40 and the discharge port 43 is efficiently diffused.

  FIG. 4 shows another embodiment, and a discharge guide guide (discharge guide member) 45 for guiding discharged material onto the diffusion device 41 is provided at the end of the dust treatment apparatus 28. The discharge guide guide 45 is configured to have an inclined portion 47 that becomes narrower in a triangular shape as it goes upward in the rear view above the bottom bottom wall 46 that is higher in the side view dust removal processing device 28 side and becomes lower as it goes rearward. The terminal end of the discharge guide guide 45 faces the spiral wing body 42.

  Thus, the Glen tank 5 is divided into an upper tank 50 and a lower tank 51, and an upper and lower mechanism 52 for moving the upper tank 50 up and down is provided in the Glen tank 5. The vertical mechanism 52 has a pair of upper rods 53 pivotally supported on the upper tank 50 and a pair of lower rods 54 pivotally supported on the lower tank 51 side. The screw shaft 56 is screwed onto the shaft member 55. Although the screw shaft 56 is not shown in the drawing, when one side and the other side of the intermediate portion are formed in opposite directions to the screw groove, and when the screw shaft 56 is rotated in the same direction, one shaft member 55 and the other shaft member. 55 moves in the opposite direction. Therefore, when the screw shaft 56 is rotated, the upper tank 50 is moved up and down with respect to the lower tank 51 by the vertical mechanism 52 including the upper rod 53 and the lower rod 54. Reference numeral 57 denotes a vertical motor.

  Thus, the supply cereal cylinder 60 for supplying grains from the threshing device 2 to the grain tank 5 is divided into a lower cylinder 61 and an upper cylinder 62, and the lower part of the upper cylinder 62 is attached to the upper part of the lower cylinder 61. Install it foldable. The upper cylinder 62 is folded during the non-working of the cutting and threshing, is extended during the work and is fixed to the lower cylinder 61 by an arbitrary method, and the discharge port 63 of the upper cylinder 62 is connected to the inlet 64 of the upper tank 50 of the Glen tank 5. To do.

  Thus, the discharge auger 6 is pivotable about the cerealing device 5 and has a discharge port 65 attached at the tip thereof so as to be vertically movable, and the discharge auger 6 itself is configured to be extendable. Detection means 66 for detecting a position including the angular length of the discharge auger 6 is provided at a desired position of the machine body, and the control unit 67 automatically controls the rotation speed of the discharge auger 6 to an optimum state by a signal from the detection means 66. .

  That is, the rotation of the discharge auger 6 (rotation of the spiral blade) does not improve the conveying force even if it is raised more than a predetermined value, and there are also harmful effects such as damage to the grain. If the number of revolutions is changed by, the discharge efficiency is improved.

  Therefore, although not shown in the drawings, the rotation speed changing means 68 of the discharge auger 6 is provided so that the change of the rotation speed is automatically controlled according to the situation. Reference numeral 69 denotes an actuator for adjusting the expansion and contraction and angle of the discharge auger 6.

Next, the operation of the embodiment will be described.
The machine body is moved forward, the culm is harvested by the reaping unit 3, and the harvested culm is supplied to the handling chamber 10 by the cereal supply / conveying device 27, and threshed and threshed by the handling cylinder 11 that rotates in the handling chamber 10. Of the processed material, fine swarf and grains fall from the handling net 12 to the swing sorting shelf 14 and are transferred by the swing sorting shelf 14 to the wind sorting chamber 19 where the swing sorting shelf 14 is swung. It is selected by the air blown from the blower tang 18, and the grain is first taken out of the machine from the conveyor 20, and the fine swarf is blown to the end side by the air blow.

  Further, among the objects to be processed that do not leak from the handling net 12, the short sawdust and shoots adhering grains and grains enter the dust removal processing device 28 through the opening (communication port) 31, and are processed. Dust falls from the treatment net 30 and is selected by wind, and soot and the like are discharged from a dust outlet 40 having an open end.

In addition, the second item that has entered the second conveyor 21 is returned to the second processing unit 33 by the second item returning device 36 and processed.
Further, the cereals conveyed by the cereal supply / conveyance device 27 are threshed, and the threshed wastes are conveyed above the cutter device 38 by the excretion conveyance device 37, and are finely cut by the cutter device 38 and dropped. To do.

  In this case, a dust discharge port 40 of the dust removal processing device 28 is opened below the cutter device 38, and a discharge port discharge port 43 of the wind selection chamber 19 where the end of the Strollack 17 faces is below the dust discharge port 40. Since the diffusing device 41 is provided so as to open and be as close as possible to the dust outlet 40 and the discharge port 43 side below the dust discharge port 40 and the discharge port 43, it is finely cut by the cutter device 38. Waste dust and waste discharged from the dust discharge port 40 and the discharge port 43 are diffused by the diffusion device 41 and fall to the field.

  Therefore, in another embodiment of FIG. 4, a discharge guide guide 45 that guides the discharged material is provided at the end of the dust treatment device 28, and the end of the discharge guide guide 45 faces the diffusion device 41. Therefore, the discharge discharged from the dust treatment device 28 is guided on the diffusion device 41 and diffused efficiently.

  In this case, the discharge guide guide 45 is configured to have an inclined portion 47 that becomes thinner in a triangular shape as it goes upward in the rear view above the inclined bottom wall 46 that is higher in the side view when viewed from the side and is lower as it goes rearward. Therefore, even if the discharge guide guide 45 is provided below the cutter device 38, the sawdust falling from the cutter device 38 is distributed to the left and right by the inclined portion 47 and does not accumulate on the discharge guide guide 45.

Therefore, the sawdust falling from the cutter device 38 and the discharged matter from the dust outlet 40 are diffused and fall into the field, thereby preventing them from falling into a lump.
Thus, the Glen tank 5 is divided into an upper tank 50 and a lower tank 51, and an upper and lower mechanism 52 for moving the upper tank 50 up and down is provided in the Glen tank 5. Since the supply cereal cylinder 60 for supplying the grains is divided into a lower cylinder 61 and an upper cylinder 62, the upper cylinder 62 is folded and the upper tank 50 of the Glen tank 5 is lowered during the non-working of the cutting and threshing. During the operation, the discharge port 63 is connected to the inlet 64 of the upper tank 50 that is connected to the lower cylinder 61 and extended and moved upward.

  Therefore, the height of the Glen tank 5 and the supply cereal cylinder 60 is reduced during non-working, and traveling on the road and the like is facilitated. The volume of the Glen tank 5 can be increased during work, and the volume can be increased with a simple configuration. It can be changed.

  Accordingly, in the discharge auger 6 which can be swung, expanded and contracted, and the angle can be changed, the detecting means 66 for detecting the position including the angular length of the discharge auger 6 is provided, and the rotational speed is changed depending on the position of the discharge auger 6. Operates at the optimum number of revolutions according to the situation, improves the discharge efficiency, and automatically controls the change in the number of revolutions, thereby improving the operability.

The side view of a combine. The longitudinal cross-sectional view of a threshing apparatus. FIG. The vertical side view of another Example. FIG. FIG. The perspective view of a discharge guide guide. The non-working state side view of a Glen tank. The working state side view of a Glen tank. The rear view. The schematic diagram of the expansion-contraction state and angle change state of a discharge auger. Block Diagram.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Threshing device 3 Harvesting part 5 Discharge auger 10 Handling chamber 11 Handling cylinder 12 Handling net 13 Oscillating sorting device 14 Oscillating sorting shelf 15 Transfer shelf 16 Sheave 17 Strollac 18 Air blow trap 19 Wind selection chamber 20 First conveyor 21 No. 2 conveyor 22 Suction dust exhaust fan 28 Dust removal processing device 29 Dust removal cylinder 30 Processing net 31 Opening portion 32 Processing teeth 33 Second processing apparatus 34 Second processing cylinder 35 Processing net 37 Waste transporting device 38 Cutter device 40 Drainage Dust port 41 Diffusion device 42 Spiral wing body 43 Discharge port 45 Discharge guide guide (discharge guide member)
46 Bottom ridge 47 Slope

Claims (1)

  A threshing device (2) is provided above the traveling device (1), a cutting part (3) is provided in front of the threshing device (2), and a glen tank (4) is provided on the side of the threshing device (2), A handling chamber (10) is provided in the upper part of the threshing device (2), a cereal supply and transfer device (27) is provided on one side of the handling chamber (10), and a handling cylinder (11) is provided in the handling chamber (10). A handling net (12) is provided below the handling cylinder (11), and a transfer shelf (15) at the front of the swing sorting shelf (14) is located below the handling net (12). However, a sheave (16) is provided on the rear side of the transfer shelf (15), a stroller (17) is provided on the rear side of the sheave (16), and a tang (18) is provided below the swing sorting shelf (14). ), First conveyor (20), and second conveyor (21), and a chamber discharge port (23) for discharging an object to be processed that does not leak from the network (12) is provided in the chamber (10). Provided on the end side, provided with a dust removal processing device (28) on the side opposite to the grain supply / conveyance device (27) at the end of the handling chamber (10), and provided on the start end side of the dust removal processing device (28) The communication port (31) is communicated with the terminal side of the handling chamber (10), and the dust treatment apparatus (28) is connected to the dust handling drum (29) whose axial direction is parallel to the handling drum (11). And a waste-carrying conveyor configured to provide a grid-like processing net (30) on the lower side of the dust-removing cylinder (29), and to convey the threshed waste after the grain supply / conveying device (27). A cutter device (38) is provided at the end of the device (37), and the discharge guide for guiding the discharge material discharged from the dust treatment device (28) to the diffusion device (41) provided below the cutter device (38). A member (45) is provided at the end of the dust treatment device (28), and the discharge guide member (45) Combine, characterized in that a slope portion inclined in direction (47).

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