JP2546756Y2 - Straw scraper in combine knotter - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a straw scraping device in a combine knotter for binding straw discharged from a self-removing threshing device.

[0002]

2. Description of the Related Art Conventionally, a straw conveying device is disposed above a threshing device of a self-removing type combine, and the straw discharged from a culm opening is conveyed obliquely toward a spike side and discharged from its end. There is already known a combine knotter in which the discharged straw is scraped into a rear binding device by a scraping device such as a star wheel that makes a pair on the left and right.

[0003]

Since the known self-removing type combine adjusts the handling depth before threshing, the position of the tip of the straw discharged from the culm opening is almost constant, but The position differs significantly depending on the length of the culm.In the long culm, the root of the stem protrudes greatly from the straw discharge device and the culm diameter is larger than the spike side, and a large amount of straw chips are attached, and the weight is large, In spite of the transfer delay while being conveyed by the straw transport device, the straw scraping device was the starting point for scraping the portion corresponding to the end of the straw transport device. side is written in the focusing unit of the tie still remains that slow the transfer, therefore, binding mistakes and release miss occurs caused tangles with focusing position of straw discharge is disturbed. Also, the case of providing the Nesoroe plate stock source side of the focusing unit, since it is focused at bent posture by being slow strains source transfer, when hitting the root end by Nesoroe plate, is bent straw culm I couldn't get enough roots.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to a machine having a traveling device, which is tilted so that a terminal end is located on an ear side in plan view.
Equipped with a threshing device 1 having an inclined straw conveying device 2;
The rear of the threshing device 1, the binding device 3 is mounted, provided with a scraping device which rake in towards the straw discharge discharged from the straw discharge conveying device 2 to the front of the strapping device 3 to bundling device 3 Wherein the scraping device comprises a stock scraper 19 and a tip scraper 18.
And the rear end of the straw conveying device 2 is
19 between the head scraping body 18 and
The front side of the tip scraping body 18 is moved to the left and right with the straw
By positioning it from the rear and the side of the straw conveying device 2
Each of them is wrapped visually and their scraped bodies 18, 1
9, the root scraping body 19 is longer than the tip scraping body 18.
To the front, and the waste being transported by the straw transport device 2
For the straw, it is squeezed and transported by the stock squeezing body 19 to the stock stake.
After the action is given in advance, the straw conveying device 2
The spike side of the straw conveyed by
The waste straw from the straw transport device 2
In order to solve the above-described problem, the root portion of the straw being conveyed by the straw conveying device is forcibly conveyed by taking over the studs 18 and 19, and the ear side starts conveying thereafter. .

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in more detail with respect to a combine knotter shown in the drawings. Reference numeral 1 denotes a threshing device mounted on a machine having a traveling device, which is not shown in front of the threshing device. A pretreatment device is provided which includes a harvesting device similar to a conventional one and a grain culm conveying device for adjusting the handling depth of the harvested grain culm and supplying the grain culm to the threshing device 1. the dust-exhaust on sorting chamber, the end portion in plan view bristles of
The straw conveying device 2 inclined to be located on the side is provided,
The binding device 3 includes a packer 6,
A needle 7 and a door 8 are mounted, and a knot portion including a building, a holder, and a knot guide 11 and a discharge arm 12 are installed above the converging portion 10. The notter case 5 is mounted on a mounting frame 17 formed by connecting the left and right side frames 13 and 14 with horizontal frame rods 15 and 16 so as to be able to move and fix in a lateral direction, and a tubular frame extending from the notter case to the stock side. The timing shaft built in 4 drives the knot portion and the release arm 12 via a binding shaft in the chain case 4a and a tube frame 4b extending from the upper portion thereof to the knot portion.

The guide plate 9 in front of the binding device 3
Above the scraping path formed above and the straw conveying device 2
On both sides of the rear end, a short spike-side scraping body 18 whose front end is shallowly wrapped in a side view with respect to the straw conveying device 2 and a long stocking scrape which extends forward and largely wraps. Inclusion 1
9 is sandwiched by the straw conveying device 2
As shown in FIG.
The chain case supports a pair of front and rear sprockets, and the tines 18a,..., 19a... Rotatably pivotally attached to a chain stretched over them are turned forward by a guide rail provided along the lower inner side. In the row section, the straw is erected and protruded and drooped while moving backward.
Is screwed onto a bracket 21 integral with the upper frame rod 15 so as not to move laterally, and the stock scraping body 19 is fitted into the upper frame rod 15 so as to be laterally movable and has a U-shaped cross section. Mounting member 2
Since it is attached to the connection plate 23 welded to the notch case 2 and the notter case 5, the movement can be adjusted integrally with the binding device 3.

A support device for the root aligning plate 25 facing the base of the converging portion 10 of the binding device 3 includes a U-shaped mounting metal 26 fitted and fixed to the upper cylindrical frame 4b, A supporting plate 27 having a rear end screwed to the front and extending forward;
One corner is provided at each of the front and rear ends of the fulcrum 7 as fulcrum shafts 28 and 2
The triangular link plates 30, 31 pivotally supported at 8, a link 32 connecting their front corners, and a front end pivotally attached to a rear corner of the front link plate 30 and a rear portion. The rear link plate 31 includes a support link 33 connected to a rear portion of the rear link plate 31 via a connecting rod 33a and parallel to the link 32. A rod 34 to which the root alignment plate 25 is fixed and connected to the rear link plate 31 is driven by an output shaft of a bevel gear case 35a mounted on a spline shaft (or hexagonal shaft) 35 so as to be able to move laterally. 37
The root culling plate 25 is maintained in the front-rear direction, so that the culm of the straw is collected in a position in which the root alignment plate 25 partially enters the lower portion 9a formed at the rear of the guide plate 9 at the base of the base. Rooting is performed by reciprocating in the body direction.

Next, the transmission device will be described. The right side frame 14 also serves as a transmission case, and a sprocket 38 mounted on an input shaft 38a supported at a lower portion thereof is provided between the threshing device 1 and the bundling device 3. Cutter 39 interposed in
Is driven through a chain by a sprocket 40 attached to the shaft, and the left side of the input shaft 38a is formed in a cylindrical shape having an inner peripheral spline so that a binding input shaft 41 formed of a spline shaft slides in a transmittable state. The input shaft 38a
Since the transmission shaft 42 driven through the sprocket and the chain is inserted into the chain case of the ear-side scraping body 18, the transmission shaft 42 protrudes upright at the front end and moves rearward at the lower side, and then moves from the rear. A chain having a tine that falls down is driven, and a shaft 43 is connected to the binding input shaft 41 protruding from the knotter case 5 toward the base of the stock. The shaft 43 connects the base scraping body 19 and the bevel gear case 35a. It is driven via sprockets 46 and 47 and a chain 48 and a spline shaft 35 in a chain case 45. Also,
The screw shaft 50a driven by the electric motor 50 attached to the side frame 13 on the stock side is screwed to a screw fixed in the transmission case 45, so that the electric motor 5
When 0 is rotated in the normal and reverse directions, the stock scraping body 19, the binding device 3, the root alignment plate 25, and the like reciprocate in the horizontal direction.

A pair of right and left stock sensors 51 and 52 connected to a control circuit of the electric motor 50 are provided outside the front portion of the support plate 27. , 52, it is detected that the culm is short. Based on this detection signal, the electric motor 50 rotates forward to move the root scraping body 19 and the root alignment device to the spike side. When the electric motor 50 enters between the two stock sensors 51 and 52, the electric motor 50 stops. When both the stock sensors 51 and 52 detect the stock, the end of the electric motor 50 enters between the stock sensors 51 and 52. The root alignment plate or the like is moved in the reverse direction to move the root alignment plate or the like to the stock side, whereby the root scraping body 19 scrapes an appropriate position of the discharged straw, and the root alignment plate 25 moves the scraped straw. Reciprocating rocking at the desired position with respect to the base end For example perform.

In the above-mentioned combine notter, the straw that has been threshed by the threshing device 1 after the handling depth has been adjusted and is discharged from the culm opening is conveyed by the straw conveying device 2 and discharged from the rear end thereof. When it is scraped by the tines of the ear-side scraping body 18 and the stock scraping body 19 toward the converging portion of the rear binding device 3, the packer 6 is then scraped into the converging portion and focused by a predetermined amount. Since the door 8 senses and operates, the one-rotation clutch is engaged, the needle 7 and the knot are operated and knotted, and the discharge arm 12 releases the bundle while cutting.

When the straw is a short culm, the electric motor 50 is activated to move the tying device 3 and the scraping body 19 to the spike side. When the straw is stopped at a position where it can be scraped and the straw is a long culm, when the electric motor 50 is rotated in the reverse direction, the binding device 3 and the stock raking body 19 move to the stock root side. At this time, the spike tip body 18 does not move and is always at the spike-side proper position . Then, the root scraping body 19 is longer than the tip scraping body 18.
And extend forward to remove the straw being transported by the straw transport device 2.
On the other hand, the squeezing and conveying action of the squeezing body 19 at the base of the stock
And then the straw conveying device 2 and the stock scraper
Scraping transportable ears side of the exhaust straw that will be conveyed by the tip scraping member by 19
The straw is sent from the straw transporting device 2 to the two scraping bodies 18 and 19.
So that it is transported by the straw transport device 2
Even if the transfer of the base of the waste straw is delayed,
When the tine 19a circulates at the front end in a state where the tine 19a wraps largely forward in a side view from the rear of the straw conveying device 2, the waste is discharged.
The straw base being transported by the straw transporting device 2 is quickly scraped to eliminate the transfer delay . Then, the straw conveying device 2 and the stock scraper 1
9 that the straw is transported by both
The tip on the tip side of the tip is always in the appropriate position
By being squeezed and conveyed by the squeezing body 18, both the squeezed bodies 1
On the other hand, the tip of the straw is delayed during the scraping transfer
Also prevented, straw discharge conveying device 2 and the strain based on scraping member 18, 19
There scraping non-backward jointly. Also, roots aligning plate 25 in scraping Murrell process to the focusing unit by the second half section and packer 6 of scraping stroke of the scraping device when aligned roots hitting the root end, straw discharge is the Kabumoto or tip since focused in the absence of transport lag, it is possible to neatly align the roots by reciprocation of Nesoroe plate.

[0012]

[Effect of the proposed Invention The present invention, flat on the machine base with a traveling device
Discharge of straw that is inclined so that the end is located on the spike side when viewed from above
Mounting the threshing device 1 having a feeder 2, the rear of the threshing device 1, equipped with a bundling device 3, before the front of the strapping device 3
The straw discharge discharged from serial straw discharge conveying device 2 be those provided scraping device rake in toward the binding device 3, the scraping device with strain based scraping member 19 and the tip scraping member 18 Composed of before
The trailing end of the straw transporting device 2 is rubbed with a stock rapper 19 and a spike.
Between the body 18, the stock raking body 19 and the tip raking body 18
To the left and right of the straw conveying device 2
Wrapped from the rear of the straw discharge device 2 and from the side
At the same time , among the scraped bodies 18 and 19, the stock scraped body 19 is made longer than the tip scraped body 18 and extends forward.
Then, for the straw being conveyed by the straw conveying device 2,
In advance, the squeezing and conveying action of the squeezing body 19 is performed
After being given, by the straw conveying device 2 and the stock raking body 19
Scraping and transporting the spike side of the conveyed straw with a spike head
As a result, the straw is removed from the straw conveying device 2 by the two scraping bodies 18 and 19.
Has the following effects.
You. That is, Kabumoto scraping member 19 while conveying the straw discharge in straw discharge conveying device 2 is forced transported quickly rearward strain base portion, discharge
Smooth transfer from the straw conveying device 2 to the stock raking body 19 is performed.
At the same time, eliminating delays in the transfer of waste straw
it can. And with the posture corrected in this way,
It is transported by both the straw discharging device 2 and the stock scraping body 19
The part closer to the tip than the straw transport device 2 for the coming straw is the tip
By being squeezed and conveyed by the squeezing body 18, both the squeezed bodies 1
In 8 and 19, the tip of the straw was delayed during the scraping and conveyance.
It can also prevent spills. Therefore, the straw is transferred to the straw conveying device 2.
To the scraping bodies 18 and 19 from the
Transfer to the tying device 3 without any delay
It is possible to prevent tying and releasing errors due to culm clogging and tangling involved due to disorder of the focusing posture . Further, it is possible to prevent that the straw stem is bent at the time of root alignment and the root alignment is deteriorated. Further, the scraping body 18,
Of the 19, the root scraping body 19 is longer than the tip scraping body 18.
By extending it forward,
It is a good way to transfer the straw of both scraping bodies 18 and 19
While there is, from straw discharge device 2 to both scraping bodies 18 and 19
Separate relay body for relaying waste straw is provided separately
It is not necessary to make the configuration simple and inexpensive.
You.

[Brief description of the drawings]

FIG. 1 is a plan view of a combine notter.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view of the same.

FIG. 4 is a side view of the root aligning portion support device.

FIG. 5 is a plan view of the same.

FIG. 6 is a transmission system diagram.

FIG. 7 is a plan view showing another example of the root aligning portion support device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 threshing device 2 waste straw transport device 3 binding device 17 mounting frame 18 spike-side scraping body 19 stock scraping body 20 waste straw scraping device 25 root alignment plate 41 binding input shaft

Claims (1)

(57) [Scope of request for utility model registration] 1. An end in plan view on a machine having a traveling device
The straw conveying device 2 inclined so that the part is located on the spike side
The threshing device 1 having mounted, at the rear of the threshing device 1, the binding device 3 is mounted, toward a straw discharge discharged from the straw discharge conveying device 2 to the front of the strapping device 3 to bundling device 3 rake in a one provided with a scraping device, constitute the scraping device by the strain based on scraping member 19 and the tip scraping member 18, the straw discharge conveyor
The rear end of the device 2 is between the stock raking body 19 and the tip raking body 18.
, And the front sides of the stock raking body 19 and the tip raking body 18 are discharged.
By disposing the straw on the left and right across the straw transport device 2,
When wrapped from the rear of the transport device 2 in a side view,
In addition, of the scraping bodies 18 and 19, the stock scraping body 19
Is longer than the tip scraping body 18 and extends forward.
For the straw being conveyed by the straw conveying device 2,
The scraping and conveying action of the original scraping body 19 is given in advance.
Thereafter, the straw is transported by the straw transporting device 2 and the stock scraper 19.
The spike side of the straw is scraped and transported by the tip scraping body,
The straw is handed over from the straw conveying device 2 to both the scraping bodies 18 and 19
A device for scraping straw in a combine knotter, characterized in that: