JP3020669B2 - Combine waste straw treatment structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine stirrer in which a shredder for discharging straw is disposed behind a threshing device, and a binding device for discharging straw is disposed behind this shredding device. Regarding the processing structure.

[0002]

2. Description of the Related Art An example of the above combiner is disclosed in Japanese Utility Model Laid-Open No. 2-17047. In this structure, a transport chain for transporting a waste straw (2 in FIG.
together arranged from threshing apparatus a) to the binding device (4 in Figure 1 of the publication), placing the guide rail along the lower side of the conveying chain (2b in Fig. 1 of the publication), the
Guide rails at the end of the guide rail
It is configured to be able to expand and contract by sliding operation. If the guide rails are extended by the above structure, the waste straw from the threshing device is sandwiched between the transport chain and the guide rails in a sideways posture and supplied to the binding device to be bound. When the cover (21 in FIG. 1 of the above publication) of the shredding device (3 of FIG. 1 of the above publication) is opened with the guide rail in a contracted state, the straw discharged from the threshing device is supplied to the shredding unit and is shredded. It is cut off.

[0003]

In the tying device and the shredding device as described above, even if the position of the straw in the shredding device is shifted along the culm direction (lateral direction of the machine body), there is no particular problem. Is shredded. On the other hand, since the binding device needs to bind at a predetermined position from the root of the stock, if the straw is displaced along the culm direction with respect to the binding device, the binding process may not be performed properly. is there. Therefore, a structure for adjusting the position of the waste straw conveyed to the binding device along the culm direction is required. As an example of this adjustment structure, the binding device itself is configured to be freely adjustable in the lateral direction of the machine body, and the position of the binding device is adjusted so that a predetermined position of the conveyed waste straw is bound. There is. However, moving a relatively large binding device itself results in a large-scale structure. The present invention relates to a combine configured to expand and contract a guide rail for transporting a waste straw to switch and supply a waste straw to a binding device or a shredding device. It is intended to be configured so that adjustment can also be performed.

[0004]

A feature of the present invention resides in the following structure in the combine straw washer treatment structure as described above. That is, the endless rotating body for discharging the straw is disposed obliquely with respect to the longitudinal direction of the machine body in plan view from the rear side of the threshing device to the shredding device and the binding device, and along the lower side of the endless rotating body. by placing the guide rails, these
With the endless rotating body and the guide rail, the straw from the threshing device
In a horizontal position toward the shredding device and binding device
So that the straw can be removed next to the stock unit side of the binding device.
Place a tapping device to tap the stock
Change the position of the aligning device along the direction of the stem of the straw
A tapping position change operation mechanism, and the guide
Slide the rail in the end section with respect to the start section.
The guide rail is configured to be expandable and contractible, and is configured to be in a contracted state in which a waste stirrer falling from the end side portion of the guide rail is supplied to the shredding device, and in an extended state in which the waste stirrer is supplied to the binding device. Equipped with first operation means for manually switching operation
For example, before the guide rail to supply exhaust straw to binding device
In the extended state, the slide operation of the end side portion is performed.
Supply position of waste straw and change of the tapping position
The operating position of the tapping device by the operating mechanism
A second operating means for adjusting the position in a plurality of stages in the culm direction,
The second operating means is configured to be operable by hand.
You.

[0005]

When the guide rail 5 is arranged below the endless rotating body 4 as shown in FIG. 1, for example, the transported waste straw A falls from the end of the guide rail 5. And, for example, FIG.
As shown in the figure, when the guide rail 5 is disposed obliquely below the endless rotating body 4 with respect to the longitudinal direction of the machine body, by sliding the end portion 5b of the guide rail 5, the end position of the guide rail 5 can be obtained. Is changed in the longitudinal direction of the aircraft, and at the same time, the position is also changed in the lateral direction of the aircraft. Thereby, if the terminal side portion 5b of the guide rail 5 is slid ,
The position where the straw A is dropped from the end of the guide rail 5 can be changed in the longitudinal direction of the machine body, and at the same time, it can be changed in the lateral direction of the machine body (the culm direction of the straw A).

Accordingly, gas which discharge straw is supplied to a binding device
In the extended state of the guide rail, the guide is operated by the second operating means.
If you slide the trailing end of the guide rail, the binding device
The position of the straw that is supplied to the culm can be adjusted in multiple stages in the culm direction.
Wear. That is, expansion and contraction of the guide rail by the second operating means
It is possible to change and adjust the binding position of the waste straw by a plurality of operations . Thus, it is not necessary to move the entire binding device in the lateral direction of the machine. And the first operation
By switching the guide rail to the contracted state by means ,
The waste straw is dropped and supplied to the shredding device in front of the binding device. As described above, the guide by the first operating means
By the extension and contraction operation of the rail, it is possible to perform a switching operation between a state where the waste straw is supplied to the shredding device and a state where it is supplied to the binding device, and the extension and contraction operation of the guide rail by the second operation means.
Depending on the operation, the binding position can be changed in a state of being supplied to the binding device.

In a combine equipped with the above-described binding device, for example, as shown in FIG. They are arranged next to next to. In the present invention, the position of the tapping device 27 is changed.
It is configured so that the position can be changed in the left-right direction of the machine (in the direction of the culm of the straw) by the operation mechanism . Therefore, the guide rail
When the worker specifies the binding position by the second operating means in the extended state of the tool (the state where the waste straw is supplied to the binding device), the waste straw is set at the designated binding position. The end position of the guide rail is slid so that the bundling process is performed, and the tapping position changing mechanism is set so that the tapping and aligning device is located at the position of the base of the discharge straw regardless of the length of the discharge straw.
It is operated by moving.

[0008]

As described above, in a combine constructed to extend and contract the guide rail for transporting the waste straw to switch the waste straw to the binding device or the shredding device, the guide rail is provided in the longitudinal direction of the machine. By arranging it obliquely, it was possible to adjust the binding position by operating the guide rails at the same time. in this way,
By using the expansion and contraction function of the guide rail as two sets of operations for switching between a state in which the waste straw is supplied to the shredding device and a state in which the waste stirrer is supplied to the binding device and for changing the binding position, the binding device is provided. The binding position can be changed without moving itself, thereby simplifying the structure. And exhaust
Guide rail switched to a state where straw is supplied to the binding device
When the guide rail is extended,
The person at the binding position can be expanded and contracted by the second operation means.
You can perform the correction operation by making appropriate adjustments,
Since the aligning device is also moved so as to be at an appropriate position (the position of the base of the discharged straw), the bundling process of the discharged straw is performed accurately, and the operability can be improved.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 4 show the rear part of a self-removing combine. A disc cutter type shredding device 2 is arranged and connected to the rear side of the threshing device 1, and a binding device 3 is mounted on the rear side of the shredding device 2. Are arranged and connected. On the rear side of the threshing device 1, a transport chain 4 (corresponding to an endless rotating body) is disposed obliquely with respect to the longitudinal direction of the machine as shown in FIG. A guide rail 5 is arranged along the lower side of the transport chain 4. And the straw A
An engaging transporting device 6 is arranged in parallel with the transport chain 4 as shown in FIG.

[0010] With the above structure, the stocker side of the waste straw A threshed by the threshing device 1 is sandwiched between the transport chain 4 and the guide rail 5, and the spike end side of the waste straw A is locked and transported by the transport device 4. , And the waste straw A is conveyed rearward in the sideways posture. Then, the waste straw A is supplied to the shredding device 2 or the binding device 3 in the state of the sideways posture.

Next, the waste straw A is cut into the shredding device 2 or the binding device 3.
The structure in which the waste straw A is supplied to the binding device 3 will be described. As shown in FIG. 1, the guide rail 5 has a solid rod-shaped end portion 5b slidably mounted inside a cylindrical start portion 5a. As shown in FIGS. 1 and 2, two wires, a first wire 8 and a second wire 9, are wound around a pulley 7 at another position, and the first wire 8 is connected to the end portion 5 b of the guide rail 5. The second wire 9 is connected to the distal end 5
b is connected to the base end side.

A motor 12 and a speed reduction mechanism 10 are arranged adjacent to the pulley 7, and a fan-shaped gear 11 is engaged with a drive gear 13 of the speed reduction mechanism 10 and a gear portion 7a of the pulley 7. With this structure, when the driving gear 13 is rotationally driven by the motor 12 and the speed reduction mechanism 10, the fan-shaped gear 11 is driven to swing and the pulley 7 is rotationally driven. When the pulley 7 is rotationally driven in this manner, the first and second wires 8 and 9 are pushed and pulled, and the end portion 5b of the guide rail 5 is slid.

As shown in FIG. 1, a dial-type changeover switch 17 is arranged in the control section of the fuselage, and the operation position of the changeover switch 17 is inputted to the control device 19.
A signal from a feedback potentiometer 18 provided on the sector gear 11 is also input to the control device 19. As a result, as described later, the slide operation of the end portion 5b of the guide rail 5 is performed by the changeover switch 17.

In the state shown in FIG.
This is a state in which the guide rail 5 is extended to the maximum by operating to one position. In this state, the binding door 1 of the binding device 3
4 and the string (not shown) are removed, the waste straw A transported to the end of the transport chain 4 is sent rearward by the rotary scraping arm 15 and the packer 16 and is bound by the binding device. 3 is discharged to the rear of the aircraft without passing through the binding process.

Next, a state in which the binding device 3 is operated will be described. In this state, the binding position of the waste straw A is set (the position of a few centimeters from the stock source), the actual length of the waste straw A is detected, and the predetermined position of the waste straw A is sent to the binding portion of the binding device 3. There are three sets of operations to perform. Waste straw A
Is set by setting the changeover switch 17 shown in FIG.
By operating the positions A1, A2, A3, and A4 (the binding position of the position A1 is closest to the base of the stock and the position A4 is farthest from the base of the stock), the binding position of the waste straw A can be set to four positions. The operation position of the changeover switch 17 is input to the control device 19.

As shown in FIG. 6, in the combine, the grain stalks cut by the cutting section 20 are transferred to the feed chain 23 of the threshing device 1 via the locking and conveying device 21 and the nipping and conveying device 22. In this case, the locking and nipping conveyance devices 21 and 22 are integrally supported so as to be vertically swingable around the horizontal axis P1 of the body, and a pair of head sensors 24 for detecting the position of the head of the grain culm is provided. The drive mechanism 25 is operated to change the angle of the locking and nipping / conveying devices 21 and 22 up and down so that a predetermined position is delivered from the tip to the feed chain 23 (so-called handling depth control).

An angle sensor 26 for detecting the angles of the locking and nipping and conveying devices 21 and 22 at the position of the horizontal axis P1.
Is provided. Thereby, the locking and nipping and conveying device 2
The angles of 1 and 22 are replaced with the length from the above-described predetermined position to the stock price and input to the control device 19.

As shown in FIG. 4, the transport chain 4 and the guide rails 5 are arranged obliquely with respect to the longitudinal direction of the body. Therefore, the guide rail 5 is moved from the state shown in FIG.
The deflating, do it by changing the position of discharge straw A leaves the conveyor chain 4, the position where the exhaust straw A is taken up by the arm 15 and the packer 16 raking,稈身direction (horizontal direction of the machine body) of the exhaust straw A Can be changed to

When the changeover switch 17 shown in FIG. 1 is operated to the positions A1, A2, A3, and A4 according to the above-described structure, based on the detection value of the angle sensor 26 shown in FIG. The motor 12 is operated by the operation signal from the control device 19 shown in FIG. 1 so that the end portion 5b of the guide rail 5 is slid so that the positions corresponding to the positions A4 to A4 are bound.

A stock tapping plate 27 (corresponding to a tapping aligning device) for tapping and aligning the stock of the straw A is provided on the stocking side of the binding device 3. As shown in FIGS. 4 and 5, a guide frame 28 is erected and fixed in the vicinity of the binding device 3 along the lateral direction of the body.
A support portion 29 is slidably mounted along 8. Then, the base tapping plate 27 is swingably pivoted around the longitudinal axis P2 at the end of the frame 30 fixed to the support portion 29.
Is supported, and the motor 3 fixed to the support portion 29 is
1 and a batting plate 27 are connected via a link rod 32, and the batting plate 27 is driven to swing by a motor 31 so that the batting of the waste straw A is beaten.

As shown in FIG. 4, the frame 33 on the fuselage side
A screw shaft 34 is provided between the screw shaft 3 and the binding device 3.
4 is externally fitted with a screw structure. And the binding device 3
Motor 35 (rotational position change)
And the screw shaft 34 is rotationally driven by a motor 35, so that the support portion 29 and the base plate 27 can be slid in the lateral direction of the machine to adjust the position. Make up.

With the above-described structure, when the changeover switch 17 is operated to the positions A1 to A4 to perform the binding process of the discharge stirrer A as described above, the position of the batting plate 27 is also changed in the lateral direction of the machine body . Positions corresponding to the above A1 to A4 positions
Is adjusted to the position . In this case, at the A1 position where the binding position is closest to the stocking base, the stock tapping plate 27 is closest to the binding device 3 side, and at the A4 position where the binding position is farthest from the stocking source, the stock tapping plate 27 is the most from the binding device 3. Leave. Thus, the tapping plate 27 is aligned at the optimum position of the tapping plate 27 regardless of the change of the binding position.

Next, a state in which the waste straw A is fed into the shredding device 2 will be described. As shown in FIGS. 1 and 4, on the upper side of the shredding device 2, there is provided a cover 37 which can be opened and closed around a horizontal axis P3 and is urged to the closing side by a spring 36. The cover 37 is in the closed state when the switch 17 is being operated to the A1 to A4 positions. FIG.
As shown in FIG. 3, a guide groove 7 b is provided on the lateral side surface of the pulley 7 over the entire circumference, and a downward projection 38 a is provided.
Is fitted in the guide groove 7 b, and a third wire 39 is connected between the operation member 38 and the cover 37.

As shown in FIGS. 1 and 3, when the end portion 5b of the guide rail 5 is fully extended (the changeover switch 17 is operated to the position A1), the protrusion 7c in the guide groove 7b is operated by the operating member. 38 are located on the right side of the paper of the protrusion 38a. From this state, the changeover switch 17 is set to A2, A
Even if the binding position is changed by operating to the 3, A4 position, the pulley 7 rotates clockwise (but within 360 degrees).
Since only the operation is performed, the operation member 38 remains at the position of FIG. 1 and the cover 37 also maintains the closed state.

When the changeover switch 17 is operated to the position B, the pulley 7 is driven to rotate about 360 degrees clockwise from the state shown in FIG. When this happens,
The end portion 5b of the guide rail 5 is slid to the most contracted state. Then, the projection 7c of the pulley 7 comes into contact with the projection 38a of the operation member 38 from the left side in the drawing, and the operation member 38 and the third wire 39 are pulled toward the pulley 7 to open the cover 37. Thereby, the waste straw A falls into the shredding device 2 from the middle of the transport chain 4 and is shredded.

Incidentally, reference numerals are provided in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the attached drawings by the entry.

[Brief description of the drawings]

FIG. 1 is a diagram showing a side surface of a transport chain, a guide rail, a shredding device, a binding device, and the like, and a structure for expanding and contracting a guide rail.

FIG. 2 is a rear view showing the vicinity of a pulley and a motor for extending and retracting a guide rail.

FIG. 3 is a longitudinal sectional side view of a pulley for extending and retracting a guide rail.

FIG. 4 is a plan view showing the vicinity of a transport chain, a tapping plate, and a binding device.

FIG. 5 is a side view of the vicinity of a transport chain, a base plate, and a binding device.

FIG. 6 is a side view showing the vicinity of a reaper in the front of the combine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Threshing device 2 Shredding device 3 Bundling device 4 Endless rotating body 5 Guide rail 5a Start end portion of guide rail 5b End portion of guide rail 27 Tapping alignment device 35 Tapping position change operation mechanism A Discharge straw

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-63-7718 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01F 17/00-17/04 A01F 12 / 00-12/60

Claims (1)

(57) [Claims] 1. A shredding device (2) for a waste straw (A) is arranged behind a threshing device (1), and a binding for a waste straw (A) is placed behind the shredding device (2). A waste straw processing structure for a combine in which a device (3) is disposed, wherein an endless rotating body (4) for transporting a waste straw (A) is shredded from a rear side of the threshing device (1). And the binding device (3), arranged obliquely to the longitudinal direction of the fuselage in plan view,
A guide rail (5) is arranged along the lower side of the endless rotating body (4), and the endless rotating body (4) and the guide rail are arranged.
(5) and the straw from the threshing device (1)
(A) with the shredding device (2) and the binding device in a sideways posture
(3) so that it can be nipped and conveyed, and a stock of a straw (A) is disposed next to the stocking side of the bundling device (3).
A tapping aligning device (27) for tapping and aligning the elements is arranged, and
The position of the tapping and aligning device (27) is changed to the stem of the straw (A).
Tapping position change operation mechanism that changes along the direction (35)
And the guide rail (5) is
Sliding of the end part (5b) with respect to the end part (5a)
Configured so as to be retractable in load operation, and a contracted state to supply discharge straw the (A) to the shredding device (2) falling from the end side portion (5b) of the guide rail (5), discharge A first operating means for artificially switching the straw (A) to an extended state for supplying the straw (A) to the binding device (3) , wherein the guide rail (5) binds the waste straw (A) to the binding device;
In the extended state to be supplied to (3), the terminal side portion
Supply position of waste straw (A) by slide operation of minute (5b)
And the tapping position changing operation mechanism (35).
The working position of the tapping and aligning device (27) is
(A) Second operating means for adjusting the position in a plurality of stages in the culm direction
And the second operation means can be manually operated.
Waste straw processing structure are then combined.