JP2544578Y2 - Oscillating sorting equipment for threshing machines - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rocking and sorting apparatus for a threshing machine which separates and removes straw waste mixed in grains after threshing in a chaff sieve of a rocking and sorting machine.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Application Laid-Open No. 2-174609,
Or, as shown in JP-A-2-135024,
A chaff sieve is provided on the sorter to allow the grains to leak down,
The straw debris is discharged backwards and supplied to the chaff sieve.
The supplied amount of degranulated matter is detected by a grain flow sensor, and
The cross beam motor is automatically controlled based on the detection result of the
There is a technique for changing the grain leakage opening of the jar sheave .

[0003]

SUMMARY OF THE INVENTION The above prior art is characterized by
The crosshead motor controls the opening of the
The horizontal swinging motor was controlled to open
Control structure and periodic swing structure
The sheave can be easily connected, but the
Control and control speed of the sheave opening,
Initial swing operation and swing speed are mutually limited.
Control of the opening of the chaff sheave or periodic oscillation
Mainly one makes it easy for the other to be done improperly
And it is not easy to improve the chaff sheave control function.
There is a problem. Therefore, Japanese Patent Application Laid-Open No. 2-174609 is disclosed.
As shown in the gazette, when there is a thresh, the chaff sheave opening
Automatic mode for controlling
It is necessary to switch between the cleaning mode and the
And, as shown in JP-A-2-135024,
It is necessary to make only the chaff sheave cycle swing,
Opening control of chaff sheave based on detection result of flow sensor
And high-precision sorting work by performing both
There is a problem that it cannot be performed effectively .

[0004]

According to the present invention, the swing
A chaff sieve is provided on the sorter to allow the grains to leak down,
The straw debris is discharged backwards and supplied to the chaff sieve.
The supplied amount of degranulated matter is detected by a grain flow sensor, and
The cross beam motor is automatically controlled based on the detection result of the
Oscillating sorting of threshing machines that change the grain leakage opening of the shaft
In the apparatus, the connection between the chaff sheave and the cross beam motor is performed.
Connects a swing motor that periodically swings the chaff sheave
And the amount of deagglomerated matter detected by the grain flow sensor
When the angle is below a certain level, the horizontal motor is automatically controlled to open.
And when the amount of the degranulated material is equal to or more than a certain
To swing the chaff sheave periodically within a certain range.
Controller that controls the opening of the chaff sheave.
Is performed by the horizontal beam motor to swing the chaff sheave cycle
It is controlled by a moving motor, so the opening of the chaff sheave is controlled.
The sorting operation can be performed with high precision by both the
Control of the opening of the chaff sheave and periodic oscillation
Chaff sheave control function by eliminating disadvantages limited to each other
Improvement and simplification of the controller.
Things .

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view of the operation of the horizontal beam section, and FIG. 2 is a cross-sectional explanatory view of the combine threshing section. Handling room, (3)
Is a handle for inserting cereal stalks into the handling room (1), (4) is a crimp net stretched under the handling room (1), and (5) is an opening (6) in the handling room (1). (9) a processing cylinder chamber for extending a crimping net (8) below the processing cylinder (7) in communication therewith;
Reference numeral denotes a swing sorter which swingably supports in the front-rear direction via a swing link or the like. The swing sorter includes a feed pan (10) positioned below the crimp net (4), a rear portion of the crimp net (4), and a drain. A straw rack (12) located below the dust port (11), a horizontal rail (13) which is a chaff sheave disposed below the straw rack (12), and the horizontal rail (13)
A Glen sheave (14) disposed below, a rear straw rack (16) extending behind the straw rack (12) via a horizontal rail (15), and a rear disposed below the rear straw rack (16). Glen sieve (17),
The rocking sorter (9) is constituted by the second flow grain plate (18) disposed below the rear grain sieve (17).

[0006] In the figure, (19) is a Karamin feeding a sorting wind in the direction of the sorting board (9), (20) is a first conveyor which communicates with a fryer and takes out grains into a grain tank, (21)
Is a second conveyor for returning the second product to the rocking sorter (9), (22) is the first and second conveyor (20) (2)
1) A dust exhaust fan arranged between the second conveyor (21) to supply the sorting wind to the second conveyor (21), (23) an orthogonal processing cylinder facing the rear end of the rear straw rack (16), and (24) A suction / discharge dust fan that has a suction port (24a) facing above the rear straw rack (16). The grains that have been threshed by the handling cylinder (2) and the processing cylinder (7) are shaken by a rocking sorter (9). Only the sorted and sized granules are taken out to the grain tank, and the straw is discharged through a straw chain (25) into a straw cutter (26a) (26).
It is configured to be sent to the straw processing section (27) having b), cut, and discharged outside the machine after cutting.

As shown in FIG. 3, right and left support plates (28) fixed to the left and right ends of the horizontal rail (13) are connected to a vertical support shaft (29).
(30) through the upper fixed plate (31) and the lower movable plate (3).
2), and support plate (2) with respect to the fixed plate (31).
8) is provided with an adjusting arm (33) for oscillating the movable plate (32) to change the position of the movable plate (32). A normally-closed spring (34) for limiting the amount of leakage is stretched between the connecting plate (35) of the adjusting arm (33) and the fixing pins (36) of the threshing left and right side plates, and the outer receptacles (37) on the outer walls of the left and right side plates. ), The inner wire (39) of the outer wire (38) is connected to the tip of the adjusting arm (33), and the movable plate with respect to the fixed plate (31) when pulling the inner wire (39) against the spring (34). (3
The relative spacing in 2) is expanded to open the horizontal rail (13), that is, to increase the inclination angle of the horizontal rail (13) to increase the amount of leakage.

A horizontal motor (42) is interlocked to the inner wire (39) of the horizontal rail (13) via a pair of reduction gears (40) and (41). The motor (4) is supported on a shaft (43).
2) The small-diameter gear (41) attached to the motor shaft (44) is engaged with the large-diameter gear (40), and the large-diameter gear (40) swings the horizontal rail (13) back and forth. A motor (45) is integrally mounted, and the large-diameter gear (40) is pivotally supported at the distal end by a pivot shaft (46) via a pivot shaft (46). Attach the other end of the inner wire (39) to the swing motor (45).
The crank pin (50) of the crank plate (49) fixedly mounted on the motor shaft (45a) is engaged and connected to the guide hole (51) of the arm (47) to stop the swing motor (45). When the horizontal rail motor (42) is driven in the forward or reverse direction in the retracted state, the inclination angle of the horizontal rail (13), that is, the opening degree is adjusted, and the opening degree is detected by a potentiometer type horizontal rail sensor (52). When the rocking motor (45) is continuously rotated in one direction with the beam motor (42) stopped, the horizontal beam (13) is moved in a fixed angle range θ (for example, the upper fixed plate (31)).
(30 ° to 90 °).

As shown in FIG. 3, the cross rail motor (42)
And a control circuit (5) for driving and controlling the swing motor (45).
3), and as shown in FIG.
5) A grain flow sensor (55) for detecting the flow rate of the straw based on the vertical amount of the chain guide (54) to detect the grain flow state at the horizontal rail (13), and inserted into the handling port (3). Grain Humidity Sensor for Detecting Humidity of Grain Stem (56)
A horizontal beam load sensor (57) for detecting the drive load of the rocking motor (45) from a current or voltage value when the driving load is equal to or more than a predetermined value; and a lateral beam driven by the horizontal beam motor (42). A tilt angle setting device (58) for appropriately setting the tilt angle of the crosspiece (13), and a horizontal crosspiece (1) using the swing motor (45).
The swing angle setting device (5) for setting the swing angle range (θ) of 3)
9) and the horizontal beam sensor (52) are connected to a control circuit (53).
And the motors (42) and (45)
The control circuit (53) is connected to the output of the motor (42) (45) and the alarm device based on the detection values of the sensors (52) (55) (56) (57). The drive control of (60) is configured to be performed.

[0010] As is apparent from the above, the swing sorter
(9) A crossbar (13), which is a chaff sieve, is provided for grain
Down, draining the straw debris backwards, and
Grain flow rate sensor is used to measure the amount of degranulated material supplied to the horizontal rail (13)
(55) and the detection result of the sensor (55)
The cross beam motor (42) is automatically controlled based on the
3) For the rocking and sorting device of the threshing machine that changes the grain leakage opening
In this case, the connection between the horizontal rail (13) and the horizontal rail motor (42)
On the way, a rocking motor (4) for periodically rocking the horizontal rail (13)
5) and the grain flow sensor (55)
When the amount of deagglomerated matter detected by the
(42) is operated to automatically control the opening so that the amount of the degranulated material is constant.
At this time, the swing motor (45) is operated to
(13) is a controller that oscillates periodically within a certain range.
A certain control circuit (53) is provided to control the horizontal rail (13) opening degree.
Performed by the horizontal beam motor (42), and the horizontal beam (13)
Movement is performed by the rocking motor (45), and the horizontal rail (13)
Sorting operation is enhanced by both the opening control of
Control the opening and control of the horizontal beam (13)
Eliminates the problem that the rocking is restricted to each other, and the crossbar (13) system
Control functions (53) and simplification of control circuit (53)
It is configured to be.

The present embodiment is constructed as described above, and as shown in the flow chart of FIG. 4, during a mowing operation for mowing a rice plant or the like where morning dew or wet rain has occurred, the flow rate sensor (55) is provided with a grain. When the humidity sensor (56) detects the grain humidity is equal to or greater than a certain value, the swing motor (45) is driven to reciprocate the horizontal beam (13), and at the same time, the harvesting is started. At the end of cutting, when the grain flow rate is below a certain level, or when the grain humidity is normal, the horizontal rail (13) is driven by driving the horizontal rail motor (42).
Is performed.

During the swing control of the horizontal rail (13), the operation time is set according to the level of the humidity, and the humidity detected by the sensor (56) falls within the low humidity range. Intermittent driving for a short time every fixed time when in zone A, intermittent driving for a long time every fixed time in zone B in the middle humidity range, and continuous driving in zone C for a higher humidity range Is carried out to prevent clogging at the horizontal rail (13), and the load sensor (57) detects that clogging of the grain has occurred at the horizontal rail (13) during the rocking operation.
When the alarm is detected, the alarm device (60) is operated to notify an operator of the alarm device.

FIG. 5 shows the crank plate (4).
9) Using the cam plate (61) instead of the wire (39)
The wire attachment shaft (4) at the tip of a swing arm (47a) for pivotally supporting the base end of the large-diameter gear (40) via a pivot shaft (46) in the same manner as described above.
8) Attach the other end of the inner wire (39) to the motor (45) in the middle of the swing arm (47a).
The cam plate (61) rotating with the abutment is brought into contact with the horizontal rail (13).
The swing speed is increased as the inclination angle becomes larger, so that the sorting accuracy is stably maintained.

[0014]

[Effects of the Invention] As is apparent from the above embodiment, the present invention provides a swing sorter (9) provided with a chaff sheave (13).
When the kernels are allowed to leak downward and the waste is discharged backwards,
The amount of the degranulated material supplied to the chaff sheave (13)
Detects the grain flow sensor (55), the sensor (5
Automatic control of the horizontal beam motor (42) based on the detection result of 5)
To change the grain leakage opening of the chaff sheave (13)
In the swinging and sorting apparatus for a grain machine, the chaff sieve (1)
3) While connecting the horizontal beam motor (42),
A swing motor (45) for periodically swinging (13) is connected.
While detecting the grain flow sensor (55).
When the amount of particles is below a certain level, the horizontal rail motor (42) is opened.
Degree automatic control operation, when the amount of the agglomerated substance is more than a certain
The swing motor (45) is operated to operate the chaff sheave (1).
A controller (5) that periodically oscillates 3) within a certain range.
3) is provided, and the chaff sheave (13)
It is performed by the horizontal beam motor (42) and the chaff sheave (1
3) Whether periodic oscillation is performed by the oscillation motor (45)
Both the opening control of the chaff sheave (13) and the periodic oscillation
To make the sorting work functional with high precision by the operation of
The opening control of the chaff sheave (13) and the periodic oscillation
Chaff sheave (13) eliminating defects limited to each other
Improvement of control function and simplification of controller (53)
This can be easily achieved .

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an operation of a horizontal rail.

FIG. 2 is an explanatory cross-sectional view of a combine threshing unit.

FIG. 3 is a control circuit diagram.

FIG. 4 is a flowchart.

FIG. 5 is an explanatory view showing a modified structure example.

[Explanation of symbols]

(9) Swing sorting machine (13) Side beam (chaff sheave) (42) Side beam motor (45) Swing motor (53) Control circuit (controller) (55) Grain flow sensor

Claims (1)

(57) [Scope of request for utility model registration] 1. A chaff sheave (1) is provided on an oscillating sorter (9).
3) is provided to allow the grains to leak downward and the straw chips to be discharged backward
And supplied to the chaff sheave (13).
The amount of degranulated matter is detected by a grain flow sensor (55),
The horizontal beam motor (42) based on the detection result of the sensor (55)
Is automatically controlled to adjust the grain leakage opening of the chaff sheave (13).
In the swinging and sorting apparatus for a threshing machine to be changed,
In the middle of the connection between the drive (13) and the horizontal beam motor (42),
Swing motor (45) for periodically swinging the sheave (13)
And the grain flow sensor (55) detects
When the amount of discharged particles is equal to or less than a certain value, the horizontal rail motor (4
2) The opening degree is automatically controlled so that the amount of the degranulated material is equal to or more than a certain value.
When the swing motor (45) is operated at the time of
A control for periodically oscillating the probe (13) within a certain range
A rocking sorter for a threshing machine, characterized in that a la (53) is provided .