JPS58146450A - Apparatus for automatically adjusting roll gap in hulling apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic roll gap adjustment device in a rice hulling device.

Conventionally, as shown in Fig. 1, the hulling device has a pair of rubber rolls fi+21 facing each other, and unhulled rice supplied from a supply hopper (3) provided above the rolls [1] and (2). The rubber rolls (11'+21) were formed so that the gap between the rubber rolls (11'+21) was adjusted by a roll gap adjusting device (4). ) is the swinging arm that supports the moving rubber roll (2), (6) is the shaft attachment part of the swinging arm (5), (7
) is the upper end of the swing arm (5), (8) is the moving rod, (9) is the forward/reverse motor, Ql is the worm, αB is the worm wheel, α2 is the worm, and the forward/reverse motor (9) is energized. When the worm a [is rotated forward and backward, the worm OI
The rotation of the worm wheel αυ rotates the worm wheel αυ, which moves the worm α2 in the direction of arrow A. Therefore, the swinging arm (5) is rotated about the shaft (6) in the direction of arrow A, and The rubber roll on the moving side that is attached to the shaft (
2) can be freely adjusted to be near or far from the rubber roll (1) on the fixed side.

The configuration shown in Figure 1 is conventionally known, and its forward/reverse motor (
Conventionally, the signal voltage for 9) was measured using a single sensor.

That is, - sensors are provided, for example, to measure the mixed rice flowing in the winding chamber below the rubber rolls, and the -
The forward/reverse motor is controlled by a single sensor. Therefore, when the variety of unhulled rice changes, for example, the skin color of unhulled rice and brown rice is considerably different, so it cannot be completely adjusted.

Therefore, the present invention provides a photo sensor for unhulled rice that can measure the condition of unhulled rice supplied to the hulling device at a desired position of the hulling device, or a brown rice photosensor that can measure the condition of the hulled brown rice, and a hulled mixture. A mixed rice photosensor capable of measuring the condition of the rice is provided, and a pair of rubber rolls of the hulling device are configured so that they can be adjusted near and far from each other by a roll gap adjustment device, and the adjustment device is configured to adjust the distance between the rubber rolls by a roll gap adjustment device. The automatic roll gap adjustment device in a hulling device configured to operate is configured to accurately adjust the skin color of unhulled rice supplied to the hulling device or the skin color of brown rice hulled by the hulling device. This system enables precise automatic control using a mixed rice photo sensor that captures and separately measures the mixed rice.

FIG. 2 is a longitudinal sectional side view of the hulling device of the present invention, and although the figure is omitted, it is provided with the roll gap (4) shown in FIG. 1. α1 is the wind selection chamber, α4 is its bottom wall, and as shown in Figure 3, on the bottom wall 0, there is a mixed rice a flowing on the bottom wall I.
Mixed rice photosensor α that can measure the mixing ratio of one group
Provide e.

αη is the second product conveyor, or the first product conveyor O In Figure 2, al is the suction blower that sucks out the rice husks and dust in the selection room aj. The elevator that lifts the most grains, C! υ is the discharge gutter of the elevator (to), and (c) is the storage tank suspended from the discharge gutter clD. The tank @ is moved up and down by a spring (c) according to the stored amount, and the motion is used to operate, for example, a supply valve. (Incorporated) is an underframe, and a rocking device (c) is installed on the underframe Q4. The swinging device (c) consists of a side rod (c), an eccentric ring (5), and a rod as shown in Figure 5.
It is formed from. A swinging type paddy/brown rice sorting device (to) is attached to the top of the swinging device. The sorting device (a)
is formed by stacking a plurality of sorting plates shown in the plan view of FIG. In Fig. 4, one side of the sorting plate (to) is the supply side C3υ on the front and rear sides, and the other side is the discharge side C (3, - on the left and right sides).

One side is the swinging down side (To), the other side is the swinging up side (B), and the supply side is 0D.
A supply part (to) is formed at the corner of the shaking upper side (goods), and when mixed rice ai is fed from the supply part C (!9), brown rice (to) flows in a trajectory as shown by arrow E1. , unhulled rice 0η is B
2. ! It flows in a trajectory like D, and in the middle, the unseparated mixed rice flows in a trajectory like B3. Therefore, when the partition plate (to) C31 is attached to the outside of the discharge side C33, a brown rice outlet 00, a mixed rice outlet 0υ, and an unhulled rice outlet (4z) are formed.

A brown rice photosensor capable of determining the condition of brown rice is installed above the brown rice flow path E of the sorting plate (to), and a photo sensor for stabilizing the condition of unhulled rice is installed above the unhulled rice flow path E2. A paddy rice photo sensor (44) is provided. In Fig. 2, a brown rice photosensor is installed on the top of the sorting plate (7).
) is installed. In Figure 2, (c) is the brown rice fall path.
0 (19 is thrower 1 + 471 is mixed rice falling path, 0 barrel is unhulled rice falling path.

Fig. 6 shows the first embodiment of the electric circuit, and Fig. 7 shows the second embodiment of the same. Voltage,
V, V is the differential amplification signal voltage, v6 is the comparison voltage, v7
is the output voltage.

FIGS. 8 and 9 show different embodiments, in which the comparison sensor is an embodiment using only a photosensor capable of determining either unhulled rice (C37) or brown rice (To). In the embodiments up to Figure 7, two photosensors, brown rice photosensor and unhulled rice photosensor 0x, were installed and the judgment was made based on the sensor-04, but one of them can be omitted. The embodiment shown in FIGS. 8 and 9 is one in which an output voltage V7 is obtained using a brown rice photosensor Sakaki and a mixed rice photosensor (Ie).The operation will be described next.

The embodiment of the present invention has the above structure, so the supply hopper (3
), the skin color of the unhulled rice C371 is judged by an unhulled rice photo sensor (incorporated), and the determined unhulled rice I3D is fed between a pair of left and right rubber rolls (11+21), hulled, and wind-selected. The rice husks fall into the chamber 03, and are removed by suction by the suction blower αl, and the mixed rice 0!9 of leftover unhulled rice C3? When entering the second period, the mixed rice sensor αe determines the mixing ratio of the mixed rice a9. 1 judged mixed rice a5
The grains are fried by an elevator (A), temporarily stored in a storage tank, and then distributed and supplied to the sorting plates (to) of each stage, where they are sorted based on known sorting theory. Then, the hulled brown rice (
The brown rice photosensor Sakaki determines the skin color of the brown rice (to), and the results are compared by the electric circuit shown in FIG. 9) in the forward and reverse directions.

In the above case, in the embodiment shown in Fig. 8 and Fig. 9, the signal current of either the brown rice photosensor - or the unhulled rice photosensor +44) and the mixed rice photosensor ae is used to drive the motor (9). The voltage V7 is obtained and can be automatically adjusted as well.

In the conventional device, only H-number of mixed rice photosensors of the present invention were installed. Therefore, it did not work satisfactorily when different types of products were used.

The present invention provides a photo sensor 04 for unhulled rice that can measure the condition of unhulled rice C (7) supplied to the hulling device at a desired position of the hulling device, or brown rice that can measure the condition of the unhulled brown rice (to). A photosensor Sakaki and a mixed rice sensor Q [9] capable of measuring the state of the hulled mixed rice α3 are provided, and the pair of rubber rolls fil 121 of the hulling device can be moved near and far from each other by a roll gap adjustment device (4). The adjusting device (4) is arranged so as to be able to adjust the sensor (l[9H144).
Since the roll gap automatic adjustment device in the hulling device is configured to be operated by the group output voltage v7, the rubber roll gap can be automatically and accurately adjusted even if the product types are different.

[Brief explanation of drawings]

Fig. 1 is a longitudinal side view of the roll gap adjustment device, Fig. 2 is a longitudinal side view of the present invention, Fig. 3 is an installation state diagram of the mixed rice photosensor, Fig. 4 is a plan view of the sorting plate, and Fig. 5. is a sorting board/
6 is an electric circuit diagram, FIG. 7 is a diagram of the second embodiment, FIG. 8 is a diagram of the third embodiment, and FIG. 9 is a diagram of the fourth embodiment. Explanation of symbols (11+21...Rubber roll, (3)...Feed hopper, (4)...Roll gap adjustment device, (5)...
Swing arm, (6)... Pivot attachment part, (7)... Upper end of swing arm, (8)... Moving rod, (9)...
Forward/reverse motor, 01...Worm, QD...Worm wheel, O3...Worm, 03I/Wind selection chamber, αXun...Bottom wall, α9...Mixed rice, ae
...Mixed rice photo sensor, (I7)...Second goods conveyor, or...First conveyor, α damage...Suction blower 1 (A)...Elevator, 00...Discharge gutter,
c! ■...Storage tank, (c)...Spring, ,・
94...Underframe, (c)...Rocking device, wire...
Side rod, (5)... Eccentric wheel, (To)... Rondo, Kan... Swing type paddy/brown rice sorting device, (To)... Sorting plate, 01... Supply side, 32.・・Discharge side, (to)
... Shaking lower side, (B) - Shaking upper side, (To) ... Supply section, (To) ... Brown rice, O37) ... Paddy rice, (
To) C31...Partition plate, Ol...Brown rice outlet,
Cυ...mixed rice outlet, 02...unhulled rice outlet,
Sakaki...Brown rice photo sensor, 0ku...Paddy rice photo sensor, 0!9...Brown rice falling path, (c)...Thrower-1 (4η...Mixed rice falling path, book...Paddy rice Falling path, (4I■6υ...Current voltage converter, 53M
- Differential amplifier, 54)... Comparator, E,... Brown rice trajectory, E3... Mixed rice trajectory, E2... Paddy rice trajectory, VIv2V3... Signal voltage, V, V, ・
・・Differential increase-lower signal voltage, v6 ・・Comparison voltage, v7・
...Output voltage. Patent Applicant Iseki Agricultural Machinery Co., Ltd. Procedural Amendment (Voluntary) 1986 4th Holiday Commissioner of the Patent Office Shima 1) Haruki Tono 111 The drawings (Figures 1 to 9) are amended.

Claims (1)

[Claims] A photo sensor for unhulled rice that can measure the condition of the unhulled rice supplied to the hulling device at a desired position of the hulling device, or a brown rice photosensor that can measure the condition of the hulled brown rice, and a brown rice photosensor that can measure the condition of the hulled mixed rice. A mixed rice photo sensor that can be used is provided,
The pair of rubber rolls in the hulling device are configured so that they can be adjusted to move away from each other by a roll gap adjustment device, and the adjustment device is configured to be operated by the output voltage of the sensor group. Automatic gap adjustment device.