JPH07110352B2 - Angle control device for rocking sorter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention swings a rocking and sorting plate tilted forward and backward and left and right to the left and right so that grains to be sorted flow down on the sorting plate from the front to the rear. The present invention relates to an angle control device for a rocking sorter that separates brown rice and paddy.

"Prior Art" Conventionally, as shown in Japanese Utility Model Laid-Open No. 58-26988, the swing sorting plate tilted to the front and back and to the left and right is swung left and right to move the grains to be sorted from the front to the rear on the sorting plate. There has been a technique in which a downstream sensor and a left / right tilting member are provided to separate brown rice and paddy while flowing down, and to detect the sorting state of the rear end of the sorting plate to change the left / right tilt angle of the sorting plate.

"Problems to be solved by the invention" In the conventional technology, the horizontal speed of the grain flowing down on the sorting plate is substantially constant only by adjusting the horizontal inclination angle of the sorting plate and controlling the separation line position of brown rice and paddy. Therefore, the same treatment as the mixed rice that is difficult to separate is performed on the mixed rice that is easy to separate, and there is a problem that the selection efficiency cannot be increased according to the properties of the mixed rice.

"Means for Solving the Problem" However, according to the present invention, while swinging the swinging and sorting plate tilted to the front and back and to the left and right to the left and right, the grains to be sorted flow down on the sorting plate from the front to the rear. In the angle control device of the rocking sorter, which is provided with a downstream sensor and a left and right tilting member for separating the brown rice and the paddy, and detecting the sorting state of the rear end of the sorting plate to change the horizontal tilting angle of the sorting plate, An upstream sensor that detects the sorting state of the sorting plate in front of the downstream sensor detection position, and a front-back inclination member that changes the front-back inclination angle of the selection plate are provided, and when the downstream sensor detection value is within the reference It is characterized in that a controller for actuating the front and rear inclined member based on the detection result of the upstream sensor is provided.

Therefore, since the front-back inclination angle control is automatically performed by giving priority to the left-right inclination angle control of the selection board, the sorting processing ability of the selection board can be adjusted by adjusting the downflow speed of the grain to be sorted in the front-back direction. Can be improved more easily than before, and damage to the unpickled brown rice can be reduced as compared to the past by increasing the flow rate of the grains to be sorted faster than before. The quality can be easily improved.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an overall side view of a rocking sorter according to the present invention, and FIG. 2 is a plan view of the same, in which (1) is a main machine frame, and (2) is a rocking machine frame (1). Freely supported and multi-stage sorting plate (3)
A swinging sorting section provided with, (4) is a mixed rice tank for storing grain to be sorted after hulling, (5) is a supply for distributing and feeding the grain in the tank (4) to each sorting plate (3) Tank, (6)
Is a discharge gutter for discharging the grains after selection, and the grains supplied from the tank (4) through the supply tank (5) onto each of the selection plates (3) are in the middle of the flow of the selection part (2). ), The brown rice and the paddy are separated and sorted by the swinging motion of) and taken out to the delivery chute (7) through the discharge gutter (6).

Further, FIG. 3 is an explanatory view of the drive unit of the swing selecting unit (2). In the figure, (8) is a swing drive motor, (9) is the motor (8) and V pulley (10). (11) and belt (12)
A counter pulley shaft that is interlockingly connected via a pulley, (13) is a swing drive shaft that is interlockingly connected to the counter pulley shaft (9) via pulleys (11) and (14) and a belt (15), and (16) is the above A left and right tilt angle adjusting motor, which is a left and right angle motor pivotably supported by a machine frame (1) via a bracket (17) and a shaft (18), and (19) has a base end on a rotary support shaft (20). A first rocking plate for tilt adjustment, which is fixed and whose tip is connected to the screw shaft (21) of the motor (16) via a pivot shaft (22) and an engaging member (23);
(24) is a second oscillating plate for tilt adjustment whose base end is fixed to the support shaft (20), and (25) can be attached to the tip of the second oscillating plate (24) via a shaft (26). A right swing arm, one end of which is swingably supported, and the other end of which is swingably connected to the selection unit (2) through a shaft (27), and (28) is a bracket (29) and a bracket (29) on the machine frame (1). A swing angle adjustment motor that swingably supports via a shaft (30),
A base end of the (31) is fixed to the rotary support shaft (32) and an intermediate part thereof is connected to the screw shaft (33) of the motor (28) by the pivot shaft (34) and the engaging member (3).
5) A swing angle adjusting plate that is connected via 5) and supports the drive shaft (13) at the tip, and (36) has a base end on an eccentric ring body (37) that is integrally fitted to the drive shaft (13). Supporting crank plate,
(38) is a balance weight that attaches the base end to the drive shaft (13), and (39) supports the base end by swingably connecting the middle to the tip of the crank plate (36) via the pivot (40). Axis (41)
A left swing arm that swingably connects the tip to the machine frame (1) via the shaft and the tip to the selection unit (2) via the shaft (42). The swing arms (25) (39) The sorting unit (2) supported by the motor is driven by the motor (8) through the drive shaft (13), the wheel body (37) and the crank plate (36) to swing about the shafts (26) and (41) as fulcrums. While being connected, the horizontal inclination angle (α) of the sorting section (2) is adjusted by adjusting the position movement of the shaft (26) by driving the motor (16), and the drive shaft (13) by driving the motor (28). ) The swing angle (θ) of the sorting section (2) is adjusted by adjusting the position movement of (1).

Further, (43) is a machine for supporting the machine frame (1) so that it can swing back and forth via a fulcrum shaft (44), and (45) is a machine (43).
A front and rear angle motor of a sorting plate (3) which is a front and rear angle adjusting element fixedly mounted on the fixed frame (4) is a fixed bracket (4) of the machine frame (1).
A screw shaft for vertical movement which is attached to 7) via a shaft (48) and an engaging member (49), and (50) is a pair of bevel gears for transmitting the rotational driving force of the motor (45) to the screw shaft (46), The fulcrum shaft (44) by driving the motor (45) forward and reverse
The tilt angle (β) of the machine frame (1), that is, the sorting plate (3) is variably adjusted around the.

As shown in FIG. 4 to FIG. 5, each of the sorting plates (3) of the sorting section (2) is provided on the sorting frame (51) in multiple stages, and the upper surface of the sorting plate (3) is multiple. Is formed on the resistance rough surface having the concave depression of, and the flow-down angle of the inclination angle (β) is set to the front and back (that is, left and right in FIG. 1 and FIG. 5) with respect to the horizontal plane of the machine frame (1), and left and right. The grain to be sorted is formed so as to have a tilt angle (α), and the grains to be sorted distributed from the tank (4) to the upper front and rear tilt sides of these sorting plates (3) flow down to the lower tilt side. During the rocking motion, the brown rice layer (A) is moved to the left rocking upward side of the selection plate (3) by its rocking motion.
However, the paddy layer (B) and the mixed rice layer (C) are separated and concentrated in the middle of the right swing downside and flow down.

A brown rice partition plate (52), which is one of the partition plates for separating the brown rice layer (A) and the mixed rice layer (C) at the downstream end of the sorting plate (3), and the mixed rice layer (C). And a paddy partition plate (53) which is the other sorting partition plate for separating the paddy layer (B) from each other. And brown rice partition plate (52)
Each brown flow guide plate (54) (55a)
Through the drainage gutter (6) to the brown rice gutter (6a), and the mixed rice groups separated by the brown rice partition plate (52) and the paddy partition plate (53) are passed through the downflow guide plates (55b) (55a). The mixed rice gutter (6b) of the discharge gutter (6), and the paddy group separated by the paddy partition plate (53) is dropped to the paddy gutter (6c) of the discharge gutter (6) through the flow-down guide plate (56b). Then, the delivery chute (7) is taken out.

Further, the fixed mounting plate (57) fixed to the upper end of the paddy partition plate (53) is a grain sensor for detecting the separation line (d) of the paddy layer (B) and the mixed rice layer (C). Two front and rear angle sensors (58) and a left and right angle sensor (59) are provided in the front and rear so as to be positionally adjustable at a slight interval, and the motor (45) and the motor (45) are detected based on the detection of the front and rear angle sensor (58). Each of the motors (16) is drive-controlled based on the detection of the left and right angle sensors (59).

In addition, (60) is a position adjusting handle for adjusting the left and right position of the paddy partition plate (53), and (61) is the discharge direction of the brown rice group taken out by the brown rice partition plate (52) to the brown rice gutter (6a) or It is a shutter that can be appropriately switched to the mixed rice gutter (6b).

FIG. 6 is a control circuit diagram of each of the motors (16) (45), showing the sensors (58) (59) and the separation line (d).
A selection plate angle control circuit (63) for input connection with a paddy standard setting device (62) for setting a standard value of the mixing ratio of the above paddy is provided, and the circuit (63) is provided with a left and right angle reduction and expansion circuit (64). (6
The left-right angle motor (16) is connected via the 5), and the front-back angle motor (45) is connected via the front-back angle reduction and expansion circuits (66) (67).

As is clear from the above, the oscillating sorting plate (3) tilted to the front and back and to the left and right is oscillated to the left and right, and the grains to be sorted are fed with brown rice while flowing down on the sorting plate (3) from the front to the rear. A left / right angle sensor (59) and a left / right sensor which are downstream sensors for separating the paddy from the paddy and detecting the sorting state of the rear end of the sorting plate (3) to change the horizontal inclination angle (α) of the sorting plate (3). In an angle control device for a swing sorter provided with a left and right tilt angle adjusting motor (16) which is a tilt member, a sorting state of the sorting plate (3) is detected in front of a detection position of the left and right angle sensor (59). A front / rear angle sensor (58) which is an upstream sensor and a front / rear angle motor (45) which is a front / rear tilt member for changing the front / rear tilt angle (β) of the selection plate (3) are provided, and the left / right angle sensor (59) is also provided. When the detected value is within the standard, the front-back angle sensor (5
Based on the detection result of 8), a sorting plate angle control circuit (63) which is a controller for operating the longitudinal motor (45) is provided,
It is configured to automatically control the front-rear tilt angle control while giving priority to the left-right tilt angle control of the sorting plate.

The present embodiment is configured as described above, and the grain after hulling, which is supplied from the mixed rice tank (4) to each sorting plate (3) through the supply tank (5), has an inclination angle. While flowing down along (β), it is agitated by the oscillating motion of the selection plate (3) and the rough surface of the selection plate (3), and due to the difference in specific gravity and friction coefficient, the tilt angle (α) swings at the upper end. The brown rice layer (A) is edited on the upper side, the paddy layer (B) is edited on the swaying side, and the mixed rice layer (C) is edited on these intermediate regions. These are separated by the partition plates (52) and (53) provided at the downstream end and taken out respectively.

During such work, the respective sensors (58) (59) are on the separation line (d) of the paddy layer (B) and the mixed rice layer (C), and the state change of the line (d) is constantly detected. As shown in the flow chart of FIG. 7, when the left / right angle sensor (59) now detects the above or below the standard of the mixing ratio of the paddy from the reflected light, the left / right angle motor (16) is driven to sort. The horizontal inclination angle (α) of the plate (3) is adjusted to be enlarged or reduced to keep the paddy mixing rate at the position of the sensor (59) constant within the standard.

Then, when the front and rear angle sensor (58) detects the paddy mixing rate above or below the standard of the paddy mixing rate under the condition that the paddy mixing rate at the position of the left and right angle sensor (59) is kept within the reference. Driving the longitudinal motor (45) to select plate (3)
The front-back inclination angle (β) is adjusted to be enlarged or reduced to keep the paddy mixing rate at the sensor (58) position constant within the reference range.

This will be described with reference to FIG. 2. The separation line (e)
The right and left angle sensor (59) detects the left and right inclination angle (α) of the sorting plate (3) within the standard, but the front and rear angle sensor (58) has a large paddy mixing rate. A state in which the front and rear inclination angle (β) of the selection plate (3) is detected and is too large is shown. In this case, the flow rate of the grain is too fast and is at the position of the right and left angle sensor (59), and the rate of paddy mixing remains within the standard, but it cannot be said to be stable in accuracy.

Further, in the case of the separation line (f), the detection value of the left and right angle sensor (59) is within the reference and the left and right inclination angle (α) of the sorting plate.
Is proper, but the front-rear angle sensor (58) indicates that the sorting plate (3) has a too small front-rear inclination angle (β) to detect a small paddy mixing ratio. When such a front-back inclination angle (β) is too small, the paddy and brown rice are separated quickly,
In this case, there is still a margin in terms of capacity, and it is possible to adjust the front-back inclination angle (β) to a large degree to increase the flow rate of the grain and increase the work amount. Further, by adjusting the front-back inclination angle (β) to a large degree, the residence time of the grain on the selection plate (3) can be shortened, and the damage rate of the grain can be reduced.

Further, in the case of the separation line (g), the detection value of the front-back angle sensor (58) is within the reference and the front-back inclination angle (β) of the sorting plate (3) is proper, but the left-right angle sensor (59). Shows a state in which the left and right inclination angle (α) of the selection plate (3) is detected by detecting a small paddy mixing ratio. In this case paddy partition (53)
Brown rice of a standard amount or more is mixed in the paddy layer (B) taken out by.

By setting the working conditions to maintain the separation line (d), the work can be performed with only one grain, which is the limit of the flow rate of the grain and the sorting accuracy, and the working efficiency can be significantly improved.

The following table shows the relationship between the separation lines (d) (e) (f) (g) and the inclination angles (α) (β) of the selection plate (3).

[Effects of the Invention] As is clear from the above examples, according to the present invention, the swinging sorting plate (3) tilted to the front and rear and to the left and right is driven to swing to the left and right so that the grains to be sorted are moved on the sorting plate (3). A downstream sensor for separating brown rice and paddy while flowing down from the front to the rear, and detecting the sorting state of the rear end of the sorting plate (3) to change the horizontal inclination angle (α) of the sorting plate (3). (59) and an angle control device for a rocking sorter provided with left and right tilting members (16), an upstream sensor for detecting a sorting state of the sorting plate (3) in front of a detection position of the downstream sensor (59) ( 58) and a front-back inclination member (45) for changing the front-back inclination angle (β) of the selection plate (3), and when the detection value of the downstream sensor (59) is within the reference, A controller (63) for operating the front and rear tilting member (45) based on the detection result.
Since the horizontal inclination angle (α) control of the selection plate (3) is prioritized and the front-back inclination angle (β) control is automatically performed, the flow-down speed of the grain to be selected in the front-back direction is By adjusting it, the sorting capacity of the sorting plate (3) can be improved more easily than before, and the falling speed of the grains to be sorted can be made faster than before, so that the damage to the extracted brown rice can be reduced more than ever before. Compared with the above, it is possible to easily improve the efficiency of the sorting work and the quality of the extracted brown rice.

[Brief description of drawings]

1 is a side view of the whole, FIG. 2 is a plan view of the same, FIG. 3 is a front explanatory view, FIG. 4 is a partially enlarged view of the same, FIG. 5 is a partial side explanatory view, and FIG. 6 is an electric circuit diagram. FIG. 7 is a flowchart. (3) …… Selection plate (45) …… Front-back angle adjustment element (58) (59) …… Grain sensor (β) …… Front-back inclination angle

Claims (1)

[Claims] 1. A brown rice and a paddy are provided while a swinging sorting plate (3) tilted to the front and rear and to the left and right is swingably driven to the left and right so that the grains to be sorted flow down on the sorting plate (3) from the front to the rear. And a downstream sensor (59) and a horizontal tilting member (16) for detecting the sorting state of the rear end of the sorting plate (3) and changing the horizontal tilt angle (α) of the sorting plate (3). In an angle control device for an oscillating sorter, an upstream sensor (58) that detects a sorting state of the sorting plate (3) in front of a detection position of the downstream sensor (59), and a front and rear of the sorting plate (3). A front and rear inclination member (45) for changing the inclination angle (β) is provided, and when the detection value of the downstream sensor (59) is within the reference, the front and rear inclination member (45) is operated based on the detection result of the upstream sensor (58). An angle control device for an oscillating sorter, which is provided with a controller (63).