JPH0731273A - Apparatus for controlling recycling ratio of tailings for thresher - Google Patents

Abstract

PURPOSE:To improve the performance of a thresher by preventing the abnormal friction caused by the clogging in the case of increasing the recycling ratio of tailings, thereby eliminating the increase of load on a threshing drum and the bad influence on the selecting action. CONSTITUTION:Tailings selected in a tailing-recovery trough 3 of a selection part 2 is recycled and retreated by a grain hoisting cylinder 4. A recycling ratio detection sensor S is attached to the end charging port 5 of the grain hoisting cylinder 4 and the amount of tailings recovered in the tailing recovery trough 3 is controlled based on the signal transmitted from the detection sensor S.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a handling room and a sorting section for sorting grain-removed grains from the handling room. It is an invention about the 2nd reduction amount control device of the threshing part which carries out reduction reprocessing by a pipe.

[0002]

2. Description of the Related Art Conventionally, when threshing and selecting grain culms by a threshing unit, the amount of reduction of the second grain recovered and reprocessed in the second grain collecting trough fluctuates depending on the quality of the grain culm. Therefore, even in the case of one field, there is a difference in the workmanship, and if the reduction amount of the second product increases due to this difference, clogging occurs at the starting end inheriting part and the end throwing part of the fried cylinder, causing abnormal wear. In the case where the second object is returned to the handling room, the threshing action is reduced due to an increase in the load of the handling cylinder, and in the case where it is returned to the sorting unit, the sorting action is adversely affected. There is a problem.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and it is possible to reduce the amount of reduction when it is recovered in the second item recovery trough and lifted by the fried cylinder. It was invented for the purpose of stabilizing and improving the performance of the threshing part without being influenced by the quality of the grain culm.

[0004]

Therefore, as a means for achieving the above-mentioned object, the present invention comprises a handling room and a sorting section for sorting grain-free grains from the handling room. The second item selected in the gutter is reduced and reprocessed by the fried cylinder, and a reduction amount detection sensor is provided at the end throwing portion of the fried cylinder.
Is provided, and the amount of the second product collected in the second product recovery trough is adjusted based on the amount detection of the detection sensor.

[0005]

As a result, the grain culm supplied into the handling chamber is threshed by the rotation of the handling cylinder, and the grain is dropped on the sorting unit.
It comes to be sorted into bait, 2 bait, and dust respectively, 1 bait is taken out of the machine, 2 bait is collected and collected in the 2 bait collecting trough, and is re-processed by a lifting cylinder. The dust is discharged outside the machine, but at that time,
The reduction amount detection sensor provided at the end throwing portion of the fried food barrel senses the amount thrown out at every moment, and the amount collected in the second item collecting trough is adjusted and stabilized by increasing or decreasing the amount of reduction. To do so.

[0006]

EXAMPLES The present invention will be specifically described below with reference to the drawings. The threshing section (A) provided with this device constitutes a self-removing combine or the like.
For example, as shown in FIG. 3, the threshing section (A) is mounted on the left side of the traveling device (6), the control section (C) and the grain tank (G) are provided on the right side, and the threshing section (A) is provided. ) Front crocodile cutting part (B) is connected to the rear side with a straw cutter (D), the grain culm is cut by the forward movement of the machine, and the cut grain culm is conveyed to the threshing part (A) and threshing. The treated and threshed straw is carried out backward by the straw conveying device (7) and shredded by the straw cutter (D), and the grain produced by the threshing treatment is the grain tank (G). After being stored once, it is properly taken out by the discharge auger (8).

The threshing section (A) is constructed as described in "FIG. 2" and "FIG. 3". That is, it is composed of a handling room (1) containing a handling barrel (9), and a sorting section (2) which is arranged from below the handling room (1) to the rear side and sorts grain-removed grains from the handling room (1). It has been done.
Reference numeral (10) is a swinging sorting body which constitutes the sorting section (2), and the front of the feeding pan (11) and chaff seal are seen from the front.
The glove sheave (12) and the straw rack (13) are arranged, and the gren sheave (14) is stretched below the chaff sheave (12) so that they can swing back and forth as a unit. Has become.

Further, (15) is the feed pan (1
1) A compressed air fan provided below the compressed air fan (1
The air blown out from 5) forms a sorting air duct (16) that blows through the rocking sorting body (10) from below, (17)
And (3) are the No. 1 receiving trough and the No. 2 collecting trough horizontally installed with the screw conveyor installed in the bottom, and (18) is the side of the fuselage above the straw rack (13). It is a suction and dust exhaust fan provided with an opening of a suction port.

The lower part (4) communicates with one side of the second item collecting trough (3) to the crocodile, and the upper end throwing part (5) is opened on the feed pan (11). It is a fried cylinder. In addition, (19) shows the processing cylinder, and the handling room (1)
What is sent from the waste culms is subjected to grain processing and the processed product is dropped onto the rocking sorting body (10).

Therefore, the grain culm supplied into the handling room (1) is threshed by the rotating handling barrel (9) and the threshed straw is taken out of the culm and passed to the straw transporting device (7). The shavings are carried out to the rear, and the grain removed from the handling chamber (1) and the processed material processed by the processing drum are oscillated by the oscillating action of the oscillating sorting body (10) and the pressurized air fan (15). Sorted by the wind that blows through the sorting air duct (16), the first product is collected in the first product receiving gutter (17) and then stored in the grain tank (G), and the second product is receiving the second product collecting gutter. The dust is collected in (3) and returned to the feed pan (11) by the fried cylinder (4) for reprocessing, and the dust is sucked by the suction dust discharge fan (18) and discharged outside the machine.

Next, the main part of the present invention will be described with reference to FIG. 1 and FIG. 2, wherein the shaft (20) is used as a fulcrum for the terminal throwing part (5) in the upper part of the fried cylinder (4). Is provided with a plate-like reduction amount detection sensor (S) that swings freely and is biased by a spring (not shown).
A switch (S1) is fixedly provided, which is turned on and off by pushing the protrusion (21) of the base by swinging (S).

Further, the second object collecting gutter (3) of the first object receiving gutter (17) is provided on the upper side of the gutter plate (17a) obliquely rearwardly and upwardly provided to the crucible (17a). ) Is attached to the rack (23) and the motor (22) attached to the back of the control plate (22) is attached to the back and forth of the control plate (22). The pinion (24) directly connected to (M) is meshed with the motor (M) so that the adjusting plate (22) is moved back and forth.

The switch (S1) and the motor (M) are electrically connected to each other through the controller (25), and the terminal (5) of the terminal end of the fried cylinder (4) is connected. The reduction amount sensor (S) is actuated based on the variation of the reduction amount, and the switch (S1) is turned on / off according to the actuation. When the switch (S1) is turned on, the motor (M) is normally rotated. So that the adjusting plate (22) is projected onto the second object collecting trough (3) and is reversed by turning off the switch (S1) to cause the adjusting plate (22) to retract into the first object trough (17). Is configured as follows.

That is, when the amount of the second product thrown out from the terminal throwing portion (5) of the fried food barrel (4) increases, the output amount of the second object causes the reduction amount detecting sensor (S) to close and a virtual line (S). I)
The switch (S1) is turned on by swinging like this and pressing the protrusion (21), and by this operation, a normal rotation command is issued from the controller (25) to the motor (M) and the adjusting plate ( 22) is made to project in the direction of the arrow (b), and what was dropped on the second object recovery gutter (3) is guided to the first object gutter (17) by the second object recovery gutter. (3) Reduce the amount recovered in the fried food barrel (4) to reduce the amount recovered, and if the amount returned from the end thrower (5) decreases, the reduction amount sensor (S) The protrusion (21) is released from the pressed state by swinging in the closing direction from the state of the virtual line (a) and the switch (S
1) is turned off, the motor (M) is reversed through the controller (25), the adjusting plate (22) is withdrawn in the direction of the arrow (C), and the second object collecting trough (3) is introduced. The amount of fall is increased and the amount of reduction of the second product is stabilized.

In this embodiment, the second collecting tray (3) collects the second collecting tray (4) and the starting end of the rocking sorting body (10) is returned to the crucible for re-use. Although it is configured to process, the second item recovery gutter (3) and the handling room (1) may be communicated with each other to return the second item to the handling room (1).

[0016]

According to the present invention, as described above,
It consists of a handling room (1) and a sorting part (2) that sorts the grain removed from the handling room (1), and the second sorting part is the second sorting bin (3) of the sorting part (2). An object is to be reprocessed by a fried cylinder (4), and a reduction amount detecting sensor- (S) is provided at a terminal slot (5) of the fried cylinder (4), and the detecting sensor- (S). It is characterized in that the amount of the second product recovered in the second product recovery trough (3) is adjusted based on the amount detection of the second product recovery gutter (3). Since the amount recovered in the second item recovery trough (3) is adjusted and stabilized by the increase / decrease detection of the amount of reduction of the reduction amount sensor (S) provided in the mouth portion (5), the amount of reduction conventionally increased. If
In the case where the starting end inheritance part and the end throwing part (5) of the fried grain cylinder (4) are clogged to cause abnormal wear, and the second product is returned to the handling room (1), Handling body (9)
In order to reduce the threshing action by increasing the load on the threshing unit and reduce the threshing action to the sorting unit (2), the problems such as adversely affecting the sorting action can be solved and the performance of the threshing unit (A) is improved. It was possible.

[Brief description of drawings]

FIG. 1 is a side view showing a main part of a threshing unit.

FIG. 2 is a cross-sectional view taken along the line AA of “FIG. 1”.

FIG. 3 is a schematic side view of the entire combine.

[Explanation of symbols]

 1 Handling room 2 Sorting part 3 2nd goods collection gutter 4 Lifting barrel 5 Terminal throwing part S Reduction amount detection sensor-

Claims (1)

[Claims] 1. A sorting section (2) comprising a handling room (1) and a sorting section (2) for sorting grain-removed grains from the handling room (1).
The second product sorted in the second product collecting trough (3) is reduced and reprocessed by the lifting container (4). The lifting container (4)
A return amount detection sensor- (S) is provided in the terminal throwing part (5) of the second product, and the second product recovered in the second product recovery trough (3) based on the amount detection of the detection sensor- (S). The second reduction amount control device of the threshing section, which is configured to adjust the amount of.