JP3364963B2 - Combine sorting equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine threshing rocking and sorting apparatus. 2. Description of the Related Art An oscillating sorting apparatus that sorts threshing material leaking from a threshing net while oscillating and transferring the threshing material includes a pair of fans that generate a sifting wind. Although there is a form in which they are provided, these are not simplified because the cover bodies surrounding the respective fans are separately configured, and the distance between the front and rear is large, and the size is increased. [0003] In view of the above, the present invention provides
A lower fan is provided below a transfer shelf 2 for swinging and receiving threshing material leaked from the threshing net 1 and blowing a sorting wind to a swing sorting shelf 4 connected to the rear of the transfer shelf 2. And an upper fan, and these are provided so as to be displaced back and forth, and a part of the cover body surrounding the outer periphery is also used,
Among them, the lower fan is configured to blow the sorting wind from below the swinging sorting shelf 4, and the upper fan is configured to blow to the front side of the rack plate 22 in the combine sorting device.
The swinging speed of the transfer shelf 2 can be changed,
Provide a sensor 37 for detecting the amount of straw
To control the swing speed to a high or low speed.
In addition, the swing speed of the swing sorting shelf 4 is configured to be variable, and
The structure of the combine sorting device is synchronized with the rotation of the upper and lower fans . As a result, the lower fan and the upper fan are displaced in the front-rear direction and partly serve as the cover, so that the configuration is simplified and the device is made compact. During the threshing action, in addition to the blast by the lower fan, the upper fan blasts on the front side of the area of the rack plate 22. According to the present invention , the lower fan and the upper fan are displaced back and forth and partly serve as a cover, so that the structure is simplified and the device is made compact. During the threshing operation, the upper fan blows the front side of the area of the rack plate 22 in addition to the wind blown by the lower fan, so that the sorting effect is enhanced. In addition, the swing speed can be changed.
The rocking sorting shelf 4 synchronized with the rotation of the upper and lower fans?
Even if the air volume is changed and set, the swing speed of the sorting shelf is synchronized.
This has the effect of stabilizing the sorting. The swing speed of the transfer shelf 2 is controlled by the straw of the threshing device.
The shift is controlled to be high or low based on the detection result of the amount.
The smooth sorting process without stagnation on the transfer shelf 2
I can . DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As a threshing apparatus used in a combine, a handling cylinder 6
A threshing net 9 and a straw outlet 10 are provided below a threshing chamber 8 in which a shaft is mounted so as to rotationally transmit the rotation around a handle cylinder shaft 7 in the front-rear direction.
From the front supply port 11, feed chain 12 and clamping rod 1
3 and threshing while supplying the grain stalk which is pinched and conveyed by 3, the threshing material is allowed to leak from the threshing net 1, and threshing material with a lot of straw waste is discharged from the outlet 10. Feed chain 1
The threshing waste culm conveyed by the pinch 2 is transferred to the rear by being inherited by the culling device 15 in the culm room 14 behind the threshing room 8. Further, a dust chamber 20 having a suction dust machine is provided below the culm chamber 14. The transfer shelf 2 is located below the threshing net 1 and has a downward slope (rearward down) from the supply port 11 side to the discharge port 10 side. Forming
The roller 16 provided at the bottom is fitted and supported on the inverted U-shaped guide 3 fixed to the left and right side walls 17 of the body. The guide body 3 is mounted such that the guide portion inside thereof is oriented along the above-mentioned downward slope of the transfer shelf 2, and is linked with the lower surface of the transfer shelf 2 by the rotation of a crankshaft 18 supported on the body of the body. By connecting the crank rod 19, the rotation of the crank shaft 18 causes the transfer shelf 2 to swing along the guide portion of the guide body 3. The swing sorting shelf 4 includes a transfer plate portion 21, a rack plate portion 22, a straw rack portion 23, and the like extending from a lower portion of the discharge port 10 to a lower portion of the dust chamber 20. The swinging frame 25 is integrally attached to the swinging frame 25 and swings by rotation of a rear crankshaft 24. A roller 26 integrated with a front end of the swinging frame 25 is guided by a guide body 5 having the same form as the guide body 3. Swing guide by fitting and supporting the part. This guide 5
The direction of the guide portion is set to be upward and rearward, and in a direction substantially along the direction of the discharge port 28 from the upper fan 27. The transfer plate 21 receives the thresh sent from the transfer shelf 2 and swings and transfers it in the same form as the transfer shelf 2. The rack plate portion 22 has an appropriate interval 29 in front and rear, and is inclined rearwardly upward, and a sheave hole 30 is formed in a lower half portion.
Is formed. Numeral 31 denotes a sorting net, which sorts out grains from the sorting material leaking from the gap 29 of the rack plate portion 22. The relationship between the trailing edge of the transfer shelf 2 and the trailing edge of the transfer plate portion 21 of the swing sorting shelf 4 is at the interval A when both are farthest away, and at the interval B when they are closest.
It is in. In the lower front part of the swinging sorter 4, the outlet 33 of the lower fan 32 is viewed, and the sorting air is caused to flow toward the dust chamber 20 in the upper rear part. Numeral 34 denotes a first gutter for receiving and transferring the selected grains, and numeral 35 denotes a second gutter for receiving and transferring the second grain. The lower fan 32 and the upper fan 2
7 are provided so as to be displaced back and forth, and cover bodies 32a and 27a surrounding the respective rotation outer circumferences are provided. The transfer shelf 2 is guided by the guide body 3 and is oscillated and transferred downward along this inclination to disperse the thresh in a uniform layer while oscillating on the rack surface. The swing sorting shelf 4 is rotated by the rotation of the crankshaft 24.
The roller 26 is guided by the guide body 5 and the front portion of the swing frame 25 is swung in the rearward upward direction in a direction along the blowing direction from the discharge port 28. The threshing material dropped from the end of the transfer shelf 2 is once received on the transfer plate portion 21 and transferred to the start end of the rack portion 22, while being rocked and transferred on the rack portion 22, at intervals. It leaks from 29 parts. At this interval 29, wind selection is performed by the sorting wind from the discharge port 28, heavy grains and the like leak, and light straw debris and the like are transported on the rack 22 while floating.
Further, at the interval 29 in the latter half, the sorting wind from the discharge port 33 by the lower fan 32 is blown. Further, on the upper side of the swing sorting shelf 4, the suction air from the suction duster in the dust chamber 20 also acts, so that the sorted grains subjected to the sorting action go to the first trough 34, and the second grain is the second. Each is received by the gutter 35. The straw waste transferred by the straw rack 23 is discharged to the outside of the machine without being changed, and the dust floating on the swing sorting shelf 4 or the like is suctioned and discharged by the suction duster. In FIG. 4, when a large amount of threshing material flows on the upper surface of the swinging sorting shelf 4 and the upper surface of each space 29 is closed, the sorting wind is passed through the sheave holes 30 and the sorting wind is formed on the rear side. Since the air flows into the 29 spaces, the flow of the sorting wind is favorably maintained. In FIG. 5, the guide body 5 is formed so as to be substantially along the direction of the discharge port 28. However, the swinging movement causes the roller 26 to move forward with respect to the rack part 22 when the roller 26 reaches the front part. The wind contact area C from the discharge port 28 and the wind contact area D when the roller 26 reaches the rear of the guide body 5 are almost the same, but as shown in FIG. When the direction is upward, a part of the rack portion 22 projects forward from the wind contact area D, and when the guide body 5 is directed downward as shown in FIG. In the zone D, the operating area of the sorting wind may be narrowed. In FIG. 8, the discharge port 28 of the upper fan 27 is branched up and down, the guide 5 is positioned at this branch portion 36, and the sorting wind passing above the branch portion 36 Of the rack section 22 of the swing sorting shelf 4 and the rear end of the swing sorting shelf 4 so as to blow upward and rearward. FIG.
In FIG. 10, the swing speed of the transfer shelf 2 is interlocked by a straw amount sensor 37 that detects the operation amount of the pinching rod 13,
When the amount of straw in the threshing room 8 is large, the speed of the transfer shelf 2 is controlled so as to increase the swing speed, so that the processing amount of the swing transfer is increased. The swing speed of the swing sorting shelf 4 is synchronized with the rotation of the upper and lower fans 27 and 32. The transmission to the respective parts of the threshing device is transmitted from the engine E to a drive shaft 38 of the threshing device portion by a belt 39.
, The pulley 41 on the crankshaft 18 is a split pulley, and the speed is continuously variable by the tension of the tension pulley 42. By changing the operation amount of the tension pulley 42 according to the operation amount of the straw amount sensor 37,
Variable speed rotation transmission of the crankshaft 18 according to the straw amount can be performed. A belt 43 is connected to one end of the drive shaft 38.
Thus, the lower fan shaft 44 is transmitted, and the lower fan shaft 44 is further transmitted to the upper fan shaft 45. In the embodiment (FIG. 9) in which the crankshaft 24 for swinging the swing sorting shelf 4 is provided at the front of the swing frame 25, the crankshaft 24 is transmitted from the fan shaft 45 via the belt 46. The guide body 5 oscillated by the crankshaft 24 via a crank rod 47
Is constituted by a swing arm, and the lower end of the swing arm is pivotally supported 48 on the body side wall portion 17, and the upper end pivotally connected to the swing frame 25 is arranged along the direction of the discharge port 28 from the upper fan 27. As described above. Further, a driving shaft 38 is connected via a belt 49 to
The spiral shaft 50 of the first gutter 34 is transmitted.
0 through the belt 51, the spiral shaft 52 of the second gutter 35
And the fan shaft 53 and the like of the suction duster, and the feed chain 12 is transmitted from the fan shaft 53. In the case where the crankshaft 24 of the swing sorting shelf 4 is provided at the rear part of the swing frame 25 as described above, the crankshaft 24 may be configured to be transmitted from the spiral shaft 52 or the like.

[Brief description of the drawings] FIG. 1 is a side view of a threshing apparatus. FIG. 2 is a side view showing the operation. FIG. 3 is a plan view of a part thereof. FIG. 4 is an enlarged side view of a part thereof. FIG. 5 is a side view showing a part of the operation. FIG. 6 is a side view of another embodiment. FIG. 7 is a side view of another embodiment. FIG. 8 is a side view showing a partially different embodiment. FIG. 9 is a side view showing a transmission mechanism. FIG. 10 is a plan view thereof. [Explanation of symbols] 1 Threshing net 2 Transfer shelf 3 Guide 4 swing sorting shelf 5 Guide

Claims (1)

(57) [Claim 1] Swinging connected to the rear of the transfer shelf 2 below and below the transfer shelf 2 that receives the thresh leaked from the threshing net 1 and swings and transfers it. The lower fan and the upper fan constitute a fan for blowing the sorting wind to the sorting shelf 4 side, and are provided so as to be displaced back and forth, and a part of a cover body surrounding the outer periphery is also used. A combine configured to blow the sorting wind from below the swinging sorting shelf 4 and the upper fan configured to blow to the front side of the area of the rack plate 22.
Can change the rocking speed of the transfer shelf 2
And a sensor 37 for detecting the amount of straw to the threshing device
Speed control of the swing speed to high or low speed depending on the amount of straw
And the swing speed of the swing sorting shelf 4 can be changed.
<br/> A combine sorter which is configured to be synchronized with the rotation of the upper and lower fans .