JP2550529Y2 - Combine knotter root aligner - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for aligning combine knotters for binding straw discharged from a threshing device.

[0002]

2. Description of the Related Art Conventionally, a tying device is disposed behind a straw discharge portion of a threshing device, and a tying device is provided between the tying device and the threshing device.
It is already provided with a flat guide plate that receives the discharged straw and guides it to the collecting unit of the binding device, and at the base of the binding device, a root alignment plate that reciprocates in the direction of the culm has already been provided. Are known.

[0003]

The guide plate of the known combine knotter has a wide ear at the portion where the packer and the needle are arranged, and a narrow base at the base. because it was disposed on the strain base side, vertical <br/> Re decreases to below the lower edge of the lower ones the guide plate straw discharge to be focused, Nesoroe was uncertain. In order to solve such a problem, the guide plate is extended to below the root alignment plate so that the root alignment plate reciprocates on the guide plate. However, there was a problem that the base of the straw was caught between the lower edge of the root alignment plate and the guide plate.

[0004]

According to the present invention, a binding device 3 is provided at the rear of a threshing device 1 mounted on a machine having a traveling device.
And receiving the straw discharged between the binding device 3 and the straw transporting device 2 provided in the threshing device 1 to bind the binding device 3
A guide plate 9 for guiding toward the provided be one obtained by arranging the Nesoroe plate 25 reciprocates in稈身direction strain root side of the binding apparatus 3, roots strain base side rear portion of the guide plate 9 A portion corresponding to the operating range of the alignment plate 25 is formed in the stepped lower portion 9a in a side view, and the lower side of the front end of the root alignment plate 25 is formed in the guide plate 9 in a side view.
Causes enter into the step portion 9b, the lower portion of the root aligning plate 25, and resolve each problem described above by a very simple configuration by which to face the inside lower portion 9a of the guide plate 9.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in more detail with reference to a combine knotter shown in the drawings. Reference numeral 1 denotes a threshing device mounted on a machine base having a traveling device, and dust is discharged from a rear portion of a culm opening of the threshing device. On the sorting room, a straw conveying device 2 for holding and conveying the straw is provided, and a binding device 3 is provided with a packer 6, a needle 7 and a door 8 in a lower notter case 5 as in the conventional one, Above, a knot portion including a building, a holder, and a knot guide 11 and a discharge arm 12 are erected.
Is attached to a cutter 39 to be described later, the left and right side frames 13 and 14 and the lateral frame rod 1 connecting them are connected to each other.
5 and 16, and the binding device 3 includes the frame rod 1
The timing shafts mounted on the frame frames 5 and 16 so as to be able to move laterally and extend from the knotter case 5 to the base of the stock extend from the chain case 4a and its upper portion toward the knot portion. The knot portion and the release arm 12 are driven via a binding shaft in the barrel 4b.

A front end portion of the straw conveying device 2 is located above the scraping path formed on the guide plate 9 in front of the binding device 3 and on both sides of the end of the straw conveying device 2. A straw scraping device 20 composed of a spike-side scraping body 18 that superimposes shallowly and a stock scraper 19 that superposes more than that is provided, and the spike-side scraping body 18 is provided with an upper frame rod. 15 so as not to move laterally by being screwed to a bracket 21 integrated with the bracket 15, the upper portion of the stock scraping body 19 and the chain case 4 a is connected to the upper frame rod 1.
5, is fixed to a U-shaped mounting member 22 which is laterally movable by connecting the front portion with a pin by connecting the front portion with a pin, and is fixed to a lower portion of the notter case 5 in a U-shaped cross section. Is fitted to the lower frame rod 16 via a plurality of rollers so as to be able to move laterally.
The lateral movement can be adjusted integrally with the camera.

A support device for the root aligning plate 25 facing the stock side 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, and A plate-like support plate 27 having a rear end screwed and extending forward, and one corner portion at each of the front and rear ends of the support plate 27, a fulcrum shaft 28,
The triangular link plates 30, 31 pivotally supported at 28, their front corners are connected to each other, and a link 32, and the front end is pivotally attached to the rear corner of the front link plate 30 and the rear portion. Is connected to a rear portion of the rear link plate 31 via a connecting rod 33a, and is formed of a support link 33 parallel to the link 32. crank Yes to fix the roots aligning plate 25, a rod 36 linked to the rear of the link plate 31 is driven by the splined shaft (or hexagonal shaft) of the bevel gear case 35a which laterally movably mounted on the 35 output shaft Since the root aligning plate 25 is connected to the arm 37 in an interlocking manner, the root aligning plate 25 is held in a front-rear direction while partially entering the lower portion 9a formed at the rear of the guide plate 9 on the base side of the guide plate 9. Reciprocating in the direction of straw culm Perform aligned root Te.

As shown in FIG. 1, the guide plate 9 extends almost entirely on the ear side of the gap where the packer 6 and the needle 7 protrude and retracts and outwardly of the portion corresponding to the root alignment plate 25 on the stock side. As shown in FIG. 5, a portion corresponding to the operation range of the root alignment plate 25 is formed in a stepped lower portion 9a as viewed in side view. Step
9b, and is suspended so as to reciprocate laterally with the lower edge of the lower portion 9a approaching the upper surface of the lower portion 9a.

Next, the transmission device will be described. The right side frame 14 also serves as a transmission case, and a sprocket 38 attached to 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
The input shaft 38a is formed into a cylindrical shape having a spline on the inner periphery, and the binding input shaft 41 formed of a spline shaft is slidably operable. The input shaft 3 is supported on the upper side of the side frame 14.
The transmission shaft 42, which is driven by the sprocket and the chain by 8a, is inserted into the chain case of the spike-side scraping body 18 described above. 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 stock side.
The stock scraping body 19 and the bevel gear case 35a are
It is driven via sprockets 46 and 47 and a chain 48 and a spline shaft 35 in a chain case 45.
Further, a screw shaft 50a driven by an electric motor 50 attached to a lower portion of the side frame 13 on the stock side is screwed to a nut 23a fixed to a stock side end of the lower mounting member 23. Therefore, when the electric motor 50 is rotated forward and backward, the stock scraping body 19, the binding device 3, the root alignment plate 25, and the like reciprocate in the lateral direction.

A pair of left and right stock sensors 51 and 52 connected to a control circuit of the electric motor 50 are provided on the outside of the front portion of the support plate 27 via a support member 53. When the end is displaced from both the sensors 51 and 52, it is detected that the culm is a short culm, and the electric motor 50 is rotated forward by this detection signal to move the root scraping body 19 and the root aligning device to the spike side. When the base end enters between the two sensors 51 and 52, the electric motor 50 stops. When both the base sensors 51 and 52 detect the stock base, the electric motor 50 sets the base end to the base sensor 51. , 52 to reversely move the root alignment plate and the like to the stock side so that the root scraping body 19 scrapes the appropriate position of the discharged straw and the root alignment plate 25 At the desired position with respect to the base end of the straw that is being scraped FukuYurado to perform an accurate Nesoroe in.

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. It is the focusing part of the binding device 3 at the rear due to the tines of the ear-side scraping body 18 and the stock-side scraping body 19.
10 , during which the root aligning plate 25 strikes the root portion of the bundled straw while reciprocating, and the root is aligned with the straw, on both sides of the packer 6 and the needle 7. At the lower part 9a of the stock plate from the guide plate 9 so as to be lifted up , or to become flexible with the above-mentioned floating or lodging grain culm. sag, roots strains source end only crop-root end becomes slight contact state on the lower portion 9a bottom's face in the lower portion 9a of the guide plate 9
Since it is hit with the aligning plate 25, all the roots of the lower straw are aligned without fail. Moreover, the lower side of the front end of the root alignment plate 25 is viewed from the side.
The root alignment plate 25 is inserted into the step portion 9b of the guide plate 9 and
Lower than the front upper surface of the guide plate 9,
Straw from the front of the guide plate 9 to the front end of the root alignment plate 25
Of the root alignment plate 25 from the front end of the root alignment plate 25
It is difficult to enter the gap between the lower portion and the lower portion 9a of the guide plate 9 . Ma
In addition, the pressure of the waste straw scraped into the bunching unit 10 by the packer 6
As the power increases, the straw tries to flow back to the threshing unit 1
However, backflow can be prevented by the step 9b of the guide plate 9.
Next, when the packer 6 is squeezed into the collecting portion 10 and a predetermined amount is converged, the door 8 is detected and actuated, so that the one-turn clutch is engaged, the needle 7 and the notching portion are operated, and the discharging arm 12 is cut off. While releasing the bundle.

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 side scraping body 18 does not move and is always at the spike side scraping proper position, so that even if the posture of the straw discharged from the straw transporting device 2 is disturbed, the spike side is securely engaged. Stop and squeeze, stock squeezed body 19
Rubs the protruding stock side.

[0013]

[Effects of the Invention] Since the present invention is constructed as described above, the root portion of the straw is placed on the lower portion 9a of the guide plate 9 when the straw is aligned by the root alignment plate 25 while being scraped into the collecting portion. a state floating out collision on or lodging even hanging become flexible at grain稈等, the strain based on end lower portion in a curved posture 9
become light contact state on a, the lower the strain based on end
Hit it with the root alignment plate 25 facing the lower part 9a of the guide plate 9.
In, that-out <br/> with be aligned reliably tapping not leak to the underlying waste straw. Moreover, the lower side of the front end of the root alignment plate 25 is guided in a side view.
Since it has entered the step 9b of the plate 9, it is on the front of the guide plate 9.
The base of the straw that has reached the front end of the
From the front end of the alignment plate 25 to the lower portion of the root alignment plate 25 and the guide plate 9
In the gap with the lower portion 9a. Packer 6
The straw that has been scraped into the convergence unit 10 by the
Reverse flow is prevented by the step 9b of the guide plate 9.
it can. With these, it is possible to bind with a very simple configuration into bundles having well-stocked roots, and to prevent binding errors due to disturbances in the posture of the culm and release errors due to entanglement.

[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 rear view of the same.

FIG. 4 is a perspective view of the same.

FIG. 5 is a side view of the root aligning device.

FIG. 6 is a plan view of the same.

FIG. 7 is a transmission system diagram.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 Threshing device 2 Drainage conveying device 3 Bundling device 9 Guide plate 9a Lower part 17 Mounting frame 18 Spike side scraping body 19 Stock root scraping body 20 Drainage scraping device 25 Root alignment plate 41 Bundling input shaft

Claims (1)

(57) [Scope of request for utility model registration] 1. A bundling device 3 is attached to the rear of a threshing device 1 mounted on a machine having a traveling device, and the bundling device 3 is disposed between the bundling device 3 and the straw conveying device 2 provided in the threshing device 1. Guide plate 9 for receiving the discharged straw and guiding it toward binding device 3
The provided, it is one obtained by arranging the Nesoroe plate 25 reciprocates in稈身direction strain root side of the binding apparatus 3, strain of the guide plate 9
Side the portion corresponding to the Nesoroe plate 25 operating range under side rear
The front end of the root aligning plate 25 is formed in the stepped lower portion 9a.
When the lower side enters the step 9b of the guide plate 9 in side view
Both the lower portion of the root aligning plate 25, the lower part of the guide plate 9
Combination knotter root aligning device characterized in that it faces inside 9a .