JPS6320576B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic control device for stripping, and includes a stripping main shaft roll, a stripping counter shaft roll mounted parallel to the stripping main shaft roll, and a stripping counter shaft roll mounted parallel to the stripping main shaft roll. and a sub-shaft roll moving device that moves the main shaft roll far and near with respect to the main shaft roll, the threshing section of the threshing machine is connected to a grain specific gravity measuring device, and this grain specific gravity measuring device is moved by the sub-shaft roll moving device. communicating with a device via an electrical circuit to adjust the degree of compression of the countershaft roll in relation to the specific gravity value of the grain;
By automatically adjusting the roll gap of the above-mentioned derolling according to changes in the specific gravity of the mixed grains of paddy and brown rice discharged from the demolder, high-precision derolling is continuously maintained, and the de-rolling performance is greatly improved. In addition, it stably maintains the standard ejection rate, eliminates the need to adjust each part of the oscillating sorting device installed in the subsequent process, simplifies the structure of the device, and achieves sufficient labor savings in its work. It is an object of the present invention to develop and provide a device that improves its working efficiency through automatic adjustment of the standard shedding rate and that always reliably, smoothly, and quickly mass-produces high-quality grain.

The present invention will be explained with reference to embodiment figures. FIG. 1 is a side view showing the entire de-sorting device, in which a roll-type de-sorting device 3 is placed on one side of the upper part of a base 2 in which a rice husk wind sorting chamber 1 is provided, and a shaker 3 is placed on the other side. A dynamic sorting machine 4 is placed on each side, a grain lifting machine 5 is erected on one side of the base 2, and a grain circulation process is provided so that they are integrally formed.

The remover 3 has a fixed rotating main shaft 8 and a movable rotating sub-shaft 9 parallel to each other in a removing chamber 7 provided at the lower part of the paddy supply hopper 6, and each shaft 8 and 9 is equipped with an elastic material. A stripping main shaft roll 10 and a stripping sub-shaft roll 11 are respectively fitted and mounted, and the main shaft 8 is rotatably mounted on a bearing 13 fixed horizontally in the body 12. The auxiliary shaft 9 is rotatably pivoted about a base shaft 14 fixed to the body 12 as a fulcrum, and rotatably attached to a bearing 17 fitted and fixed to an arm rod 16 which has pressure applied to the main shaft by a spring 15. , the spring 1 of the arm rod 16
5 is laterally moved by the compression rod 18 to the sub-shaft 9.
The rolls 10 and 11 are arranged to move near and far while remaining parallel to the main shaft 8, and each roll 10, 11 is hung by a belt so as to rotate inside each other, and the belt is connected to a main electric motor 19 that rotates.

The grains (paddy) put into the paddy supply hopper 6 on the upper part of the removal chamber 7 flow down and are removed between the removal rolls 10 and 11, and the removed material is transferred to the rice husk winding chamber 1.
The rice husks are wind sorted inside the machine, and the rice husks are discharged outside the machine.
The mixed grains of paddy and brown rice are fried from the paddy and brown rice mixed grain receiver 20 via the grain lifting machine 5 to the grain tank 21, and the mixed grains in the tank 21 are fed from the flow outlet 22 through the rectifying gutter 23. The mixed grains of each sorting plate 24 are supplied to each sorting plate 24, and the mixed grains of each sorting plate 24 flow brown rice to the higher side by the oscillating sorting action of the plate surface, paddy to the lower side, and paddy brown rice to the middle. The mixed grains flow out in a direction almost perpendicular to the shaking direction, and the brown rice is passed through a channel provided at the end of the plate to the channel outlet 25.
The mixed grains of paddy and brown rice are discharged from the machine through the thrower 26 and are transferred from the channel outlet 27 to the circulating flow basin 28.
It is formed so that the paddy flows down to the receiving trough 20 through the channel outlet 29 and returns to the paddy supply hopper 6 via the thrower 30 to be removed again. On one side wall, a grain specific gravity measuring device 31 for grains is provided in communication with a grain tank 21 provided on the movement path of the grains discharged from the demasher 8 as described above.

Next, an embodiment of the grain specific gravity measuring device 31 shown in FIG. 2 will be described. The measuring device 31 has a grain feeding port 33 in the upper part of a hollow machine frame 32 and a discharge port part 34 in the lower part, and has an open upper part inside the machine frame 32 and a grain discharging port in the lower end. 35 are respectively provided, the containers 36 are suspended from one end side of a measuring ram 38 whose central part is pivoted to a fulcrum 37, and a measuring pointer 39 is provided at the other end side, The pointer 39 is connected to the rod position detection device 4.
A scale plate 41 provided at 0 is formed so as to be freely movable up and down to display the amount of grain in the container 36,
2 is the container ammunition. In addition, the scale plate 41
A standard value for the evasion rate (with an appropriate numerical range) is provided in the center, and an upper and lower limit value for the evasion rate is provided above and below, and on/off switches 43 and 44 are installed respectively, and the above-mentioned guideline is The contacts of each switch turn ON/OFF when the switch 39 rotates and comes into contact with the switch. The rod position detection device 40 may be provided with a load cell 45 such as a strain gauge as in the embodiment shown in FIG.
A photoelectric device 48, 49 consisting of a light receiving element 6 and a light receiving element 47 may be provided, respectively, or an appropriate detection means may be selected and used. The grain feeding port 33 of the grain specific gravity measuring device 31 and the grain tank 21 provided in the grain lifting machine 5
are connected by a flow tube 50 such as a flexible pipe, and the rod position detection device 40 of the measuring device 31
The driving device 51 of the compression rod 18, which is the sub-shaft roll moving device of the removing machine 3, is controlled by an electric circuit 5.
2, and are electrically connected to each other.

The control electric circuit 52 will be explained with reference to FIGS. 2 and 5. The output side of the light receiving element 47A of the upper limit photoelectric device 48 provided on the scale plate 41 of the rod position detecting device 40 is connected to an integrator 55 via an amplifier 53.
At the same time, the output side of the light receiving element 47B of the lower limit photoelectric device 49 is connected to the integrator 55 via the amplifier 54, and the output side of the integrator 55 is connected to the input side of the shift circuit 56. The output side of the shift circuit 56 is branched and one side is connected to a comparator 57 and the other side is connected to a comparator 58.
The output _side of
The output side of is connected to the motor M via a relay _R2 . 59 is a reference value setting device that communicates with the comparators 57 and 58, respectively; 60 is a shift circuit 5;
This is a variable resistor connected to 6. Therefore, the detection signals from each light receiving element 47A, 47B are amplified by amplifiers 53, 54, respectively, and then sent to integrator 5.
5, the integrator 55 calculates the average value (number of times) over a predetermined time, and the output signal is input to a shift circuit 56. The shift circuit 56 organizes the signal and outputs it to each comparator 57, 58. along with inputting
It is compared with the standard value (number of times) of the standard deviation rate from the setting device 59, and the comparison signal is the standard value (number of times).
If the comparison signal has increased more than the reference value (number of times), relay R ₁ is activated to rotate the electric motor M in the forward direction for an arbitrary predetermined period of time, and if the comparison signal has decreased from the reference value (number of times), relay R ₂ is activated.
to rotate the electric motor M in reverse for an arbitrary predetermined time,
The compressing link 18 is rotated in the forward or reverse direction by the forward or reverse rotation of the electric motor M, and the removing countershaft roll 11 is moved back and forth to adjust the roll gap to increase or decrease.

In addition, the control circuit of FIG. 6 connects the output side of the shift circuit 56 to a diode 63 provided in a photocoupler 62 via an amplifier 61, and also connects the output side of the shift circuit 56 to a diode 63 provided in a photocoupler 62.
The 64 side is connected to a drive device 65. This circuit is implemented in the detachment device in which an air cylinder 66 is connected to the movement adjustment of the countershaft 9 provided in the embodiment shown in FIG.
The electromagnet 68 provided in the drive device 65 of the pressure regulating valve 67 is operated appropriately to adjust the degree of pressure during derolling and to control the rate of derolling.
69 is the air compressor.

Note that the measurement signal of the specific gravity measuring device may be transmitted intermittently.

In the above-mentioned configuration, the raw material paddy put into the paddy supply hopper 6 of the dechamber 3 is removed between the rolls 10 and 11 of the dechamber 7, and the removed material is air-sorted in the chaff wind sorting chamber 1 to form paddy. While discharging the grains outside the machine, the mixed grains of paddy and brown rice are fried into the grain tank 21 via the paddy and brown rice mixed grain receiving trough 20 and the grain lifting machine 5,
The mixed grains in the tank 21 are transferred to the sorting plate 2 of the oscillating sorter 4.
4, and is sorted into three types: brown rice, mixed grains of unhulled brown rice, and paddy by the shaking motion of the sorting plate 24,
The brown rice is discharged from the flow path outlet 25 to the outside of the machine via the thrower 26, and the mixed grains of paddy brown rice are discharged to the flow path outlet 27.
It flows down to the downflow gutter 28 and the receiving gutter 20 and is re-sorted,
In addition, the paddy is returned to the paddy supply hopper 6 from the channel outlet 29 via the thrower 30 and taken out again. In this removal/sorting process, a part of the mixed grains in the grain tank 21 flows down through the flow tube 50 to the grain specific gravity measuring device 31 located at the lower part. The falling grain is measured by measuring device 31
While being supplied to the internal measuring container 36, a part of the grain flows out from the lower end of the grain discharging port 35 and is returned to the receiving trough 20 from the discharge port 34 of the machine frame 32. During this time, the weight of the grains in the weighing capacity 36 is measured using the weighing lever 3.
8, and the measured value is displayed by a measuring pointer 39 that moves on the scale plate 41 surface of the rod position detecting device 40, and the pointer 39 comes into contact with the on/off switch 43 of the upper limit value. Then, the on/off signal is transmitted to the control electric circuit 52.
The control electric circuit 52 in FIG.
A photoelectric device 48 is provided at each position of the upper limit value and the lower limit value of
49 is shown, each of the switches 43,
Since a detection signal similar to that of 44 is generated, the subsequent operation will be explained using this circuit. The detection signal of the upper limit value is amplified by an amplifier 53 and input to an integrator 55,
The average detection value (number of times) within a predetermined time by the integrator 55
At the same time, the signal is sorted through the shift circuit 56, inputted to each comparator 57, 58, and set by the setting device 5.
When the number of times increases compared to the reference value (number of times) from 9, the comparison signal activates the relay _R1 to rotate the electric motor M of the drive device 65 in the forward direction for a predetermined period of time and then stop it, and the shift When the output signal of the circuit 56 decreases in comparison with the reference value (number of times) from the setter 59 on the side of the comparator 58, the comparison signal activates the relay _R2 and the motor M of the drive device 65 is activated. rotates in reverse for a predetermined period of time and then stops. This electric motor M
By the forward and reverse rotation of , the compression rod 18 provided on the sub-shaft 9 of the escaper 7 rotates forward or reversely, adjusting the roll gap between the two escaper rolls 10 and 11 to be far or near, thereby achieving the reference escape rate. When the value is stabilized, the compression rod 18 stops its operation, and the derolling operation is performed stably and continuously at the standard derolling rate.

In this way, the automatic de-machine control device of the present invention
A stripping main shaft roll, a stripping subshaft roll mounted parallel to the stripping main shaft roll, and a countershaft roll moving device for moving the stripping countershaft roll far and near with respect to the main shaft roll. In the threshing machine, the threshing section of the threshing machine is connected to a grain specific gravity measuring device, and this grain specific gravity measuring device is connected to the countershaft roll moving device, so that the paddy discharged from the threshing machine and Since the roll gap during unrolling is automatically adjusted according to changes in the specific gravity of grains mixed with brown rice, unloading during unrolling is adjusted to changes in the weight of grains in the container due to constantly occurring changes in the unrolling rate. Since it is adjusted in a timely manner and stabilized at the standard escape rate, high-precision escape rate is continuously maintained and the escape performance can be greatly improved, and the standard escape rate is stably maintained. Since there is no need to adjust each part of the oscillating sorting device in the subsequent process, the structure of the device can be simplified and labor-saving can be achieved, and the automatic control of standard omission rate can improve the work efficiency. It has remarkable effects such as increasing the quality of selected grains and making it possible to always mass-produce high-quality selected grains reliably and smoothly.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention; Fig. 1 is a partial cross-sectional side view of the entire device, Fig. 2 is a sectional view of the specific gravity measuring device, and Figs. 3 and 4 show different chamber release methods. The side view of the embodiment and FIGS. 5 and 6 are circuit diagrams of different embodiments of the control electric circuit. 1... Rice husk wind sorting room, 2... Base, 3... Desmoking, 4... Oscillating sorter, 5... Grain lifting machine, 6... Paddy supply hopper, 7... Dechambering, 8... ...Fixed rotating main shaft, 9... Moving rotation sub-shaft, 10... Main shaft roll for removal, 11... Sub-shaft roll for removal, 12... Body, 13... Bearing, 14... Base shaft, 15... Spring, 16...Arm rod, 17...Bearing, 18...Compressing rod, 19...Main electric motor, 20...Paddy and brown rice mixed grain receiving trough, 21...Grain tank, 22...Outflow port, 23... ... Rectification gutter, 24 ... Sorting plate, 25 ...
Channel outlet, 26... Thrower, 27... Channel outlet, 28... Circulation flow down trough, 29... Channel outlet, 30... Thrower, 31... Grain specific gravity meter,
32...Machine frame, 33...Grain feeding port, 34...Discharge port, 35...Grain discharging port, 36...Measuring container, 37...
...Fully point, 38...Measuring lever, 39...Measuring pointer, 40...Rod position detection device, 41...Scale plate,
42... Container ammunition, 43, 44... On/off switch, 45... Load cell, 46... Light source,
47, 47A, 47B... Light receiving element, 48, 49
...Photoelectric device, 50...Flow tube, 51...Drive device, 52...Control electric circuit, 53, 54...Amplifier, 55...Integrator, 56...Shift circuit, 5
7, 58... Comparator, 59... Setting device, 60...
Variable resistor, 61...Amplifier, 62...Photocoupler, 63...Diode, 64...CDS, 6
5... Drive device, 66... Air cylinder, 6
7...Pressure control valve, 68...Electromagnet, 69...Air compressor, M...Forward/reverse rotation electric motor.

Claims (1)

[Scope of Claims] 1. A stripping main shaft roll, a stripping subshaft roll mounted parallel to the stripping main shaft roll, and a stripping countershaft roll that is moved far from or near the stripping main shaft roll. In a de-machine having a counter shaft roll moving device, a grain specific gravity measuring device is provided in communication with the movement path of grains discharged from the de-machine, and this grain specific gravity measuring device is connected to the counter shaft roll moving device. An automatic de-machine control device, characterized in that the device is connected via an electric circuit to adjust the degree of compression of the countershaft roll in relation to the specific gravity value of the grains. 2. The automatic control device for de-machine removal according to claim 1, wherein the sub-shaft roll moving device has a reversible rotating electric motor. 3. The automatic de-machine control device as set forth in claim 1, wherein the countershaft roll moving device has an electromagnet for controlling a control valve of a cylinder feed pipe. 4. The automatic control device for de-machine removal according to claim 1 or 2, wherein the grain specific gravity measuring device has an on/off switch that sets a limit on the standard de-maceration rate. 5. The automatic control device for de-machine removal according to claim 1 or 2, wherein the grain specific gravity measuring device includes a light-emitting diode and a light receiving element that set a limit on the reference de-elimination rate. 6. The automatic control device for de-machine removal according to claim 1 or 2, wherein the grain specific gravity measuring device includes a load cell (strain gauge) that sets a limit on the standard de-ejection rate.