JPS5895571A - Oscillation type selector for unhulled rice and unpolished rice - 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 a swing-type sorting device for unhulled rice and brown rice.

The invention was developed in order to obtain a sorting device that is easy to handle, has a simple structure, and can efficiently separate unhulled rice and brown rice.

The points in which the present invention differs from conventionally known ones will be explained as follows.

The sorting devices shown in FIGS. 1 to 5 are representative examples of conventionally known devices.

FIG. 1 is an enlarged sectional view of a part of a sorting plate A of a known sorting device, and B is brown rice on the sorting plate A. and,
As shown in FIG. 1, when brown rice B is placed on a sorting plate A and the sorting plate A is agitated back and forth in the direction of the arrow W, the brown rice B is agitated by the agitation and gradually moves in the direction of the arrow C. This is because the plate surface of the sorting plate A is formed with countless irregularities. This unevenness is generally called a rough surface or a fluid friction surface.

Therefore, a sorting plate A as shown in the cross section of Fig. 2 and the front view of Fig. 3 is formed, and upright side walls EF are formed on both left and right ends of the sorting plate A to separate brown rice B (white grains) and unhulled rice. G (black powder)
When the mixed grains are fed onto the sorting plate A and stirred back and forth diagonally up and down in the direction of the arrow W several times as described above, due to the slight difference in specific gravity between them, the grains stick to the side wall E on the shaking side. Support it,
Both are separate from each other.

In Figure 2, the range indicated as m is where only brown rice B is distributed, the area indicated as m is where unhulled rice G and brown rice B are mixed to some extent, and the area indicated as TrL2 is where unhulled rice G is distributed. Where only is distributed, there is, m,
is a blank space that arises in relation to incitement.

An example of a known sorting device equipped with a sorting plate A as shown in FIG. 2 is shown in FIG. 3, where H is a supply hopper,
is an underframe, and the sorting plate A is pivotally supported with respect to the underframe I by an inclined support rod JJ, and is stirred in the W direction by an eccentric wheel K. L is the brown rice outlet, M is the mixed rice outlet, and N is the unhulled rice outlet.

The known example shown in FIGS. 4 and 5 is an improved known example in which the blank space m formed on the sorting plate A is not generated, and the side wall E side of the sorting plate A in FIG. If you lift it as shown by the arrow and make it tilt α, if the α angle is appropriate, the blank area m
3 is eliminated, and the sorting effect is improved. Figure 5 shows sorting plate A.
FIG. 5 is a front view of the device when the device is tilted at α, and all of the monochromes currently on the market are similar to the known example shown in FIG. 5.

However, since there are some dissatisfaction with the sorting device shown in FIG. 5, and the present invention is an improvement on this, it is necessary to point out the defects of the known example shown in FIG.

That is, the known example shown in FIG. 5 has an unacceptable defect in that it performs diagonal up and down reciprocation in the direction of arrow W. This is because if the sorting board A shown in the figure were to be actually implemented, its area size would need to be at least 1 m1 (1 m long x 1 m wide), and at least 5 stages would be stacked. (If they are not formed in 5-tier stacks, assembly-line work will not be possible because efficiency will not increase). In the end, the structure was such that very heavy items were sorted by shaking them diagonally up and down. Moreover, as clearly shown in Figure 4, the grains are tightly distributed on the sorting plate A, and the total weight of the distributed grains cannot be sorted unless they are distributed in this way. Since the grains were to hang down to at least 30 KP, the (sorting device) + (grain with a P distribution of 30) was shaken diagonally up and down with an eccentric wheel.

Therefore, the underframe work had to be able to withstand this, and the structure and strength of each part had to be able to withstand it as well. Furthermore, can the entire factory withstand this? 1113, a surprisingly thick concrete floor was formed, and a known sorting device shown in Fig. 5 was installed on top of it. Of course, the frame shown in Figure 5 is an extremely simple illustration of the principle of the invention, but in reality it is not a simple frame.
In some cases, the case of the rice hulling device could be used as a frame. Therefore, the strength of the case was required to be surprisingly solid.

Furthermore, the defect in the known example shown in FIG. 5 is caused by separation as shown in FIG. 4, if the uneven corner portions shown in the enlarged view of FIG. Since this was not possible, the corners of the unevenness were sharply formed to create a strong fluid friction plate surface, but doing so would cause the thin iron plate to break, making it unexpectedly difficult to form the unevenness D. It was a thing. In other words, the long grain BQ would not move toward the side wall E if the force was only pushed in the direction of the arrow W, so a strong pushing force was sought by forming sharp irregularities.

- The present invention overcomes all of the deficiencies pointed out above, and provides a sorting device that is easy to handle and has excellent performance.

In the present invention, countless irregularities are formed on the surface of the sorting plate, the concave shape of the sorting plate is approximately square, and the sorting plate is inclined with a discharge flow angle in the front and back direction. There are side walls that stand up at approximately right angles on the front and left and right sides of the board, and the back side is open across the entire left and right width without side walls, and is a left-right reciprocating device that moves the sorting board considerably faster forward than backward. is installed,
On the rear side of the sorting plate, there is provided a swing-type sorting device for unhulled rice and brown rice, which is characterized in that an unhulled rice outlet, a mixed rice outlet, and a brown rice outlet are arranged in that order in the forward movement direction. This is the gist of the invention.

To explain an embodiment of the present invention, (1) is a sorting plate. The original plate +11 is formed of a thin metal plate, synthetic resin, or the like. The concave shape of the original plate (1) is formed into a substantially square shape. Preferred embodiments are square or rectangular.
It is. As shown in the plan view in Figure 8, the original plate (1) has one front and rear side as a supply side (2) and the other side as a discharge side (3). , side walls (41 (51 (6)
) will be established.

FIG. 12 shows a longitudinal section of a part of the original plate (1). Fig. 12 is made of a metal plate, and the unevenness (7) is formed by press working. The original plate (11) is made of iron plate, aluminum, synthetic resin, etc., and each has its advantages and disadvantages.As shown in Fig. 6, there is a supply hopper ( Since the embodiment diagrams all illustrate the principle of the invention, a sorting plate (1) is provided.
) is shown in only one stage, but it is possible to form it into a multi-stage structure, and in most implementation stages, it is formed into a multi-stage structure. In that case, that is, when a multi-stage type is used, a distribution device for even distribution is installed between the supply hopper (8) and the sorting plate (1:) of each stage.
1) is lower on the discharge side (3) and has a discharge flow angle β. This angle β is not a strong angle at which the grains are naturally discharged by rolling, but is an angle at which the grains are discharged while maintaining a layered structure as they reciprocate in the left-right direction as described later. The angle β is adjustable. The easiest way to adjust the angle β is to tilt the entire table (equipment), but it is also possible to cut off only the sorting plate +11, pivot one end, and attach screws to the other end. be.

An underframe (9) is provided at a position below the sorting plate (11) at a vertical interval.The lower ends of the support rods Q3 as are respectively pivotally supported on the underframe (9).

Further, a bearing (141a'a) is provided on the lower surface of the sorting plate (1), and each upper end of the support rod a'a (Is) is supported pivotally.

As is clear from FIGS. 9 and 10, the bearing αI (Iυ) is provided with a pair of bearings at the front and rear, but the underframe (9) and the sorting plate (1) have a total of four support rods. 031
You will be supported by

One end of the rod αη is fixed to the front-rear shaft 0Q that pivotally supports the bearing α4 and the upper end of the support rod α2, and the other end of the rod αη is fixed to the tip of the crank as. The crank 0 hammer is fixed to the driving shaft a9, and the pulley 2 is fixed to the driving shaft Q9. In this case, the driving shaft a9
The relationship between the position of the rod 0η and the like is a so-called quick return mechanism in which one of the forward and backward movements moves faster. A general quick return mechanism performs work only during forward movement and does not perform work during backward movement, so it is used to return as quickly as possible and perform work again.
The present invention differs from the total heat concept in that the forward movement is made faster to move the entire grain, and the first return movement is made slower to slide only the grains in the surface layer back. Then, there is a side wall (4) on the front side of the periphery of the sorting plate [11], and side walls (5 side) on both the left and right sides.
However, since no side wall is provided on the rear side, an unhulled rice outlet Qυ, a mixed rice outlet ■, and a brown rice outlet are provided in line in the forward movement direction.

Next, we will discuss the effect.

A mixed rice of unhulled rice G and brown rice B is fed from the supply hopper (8) by falling to the supply side (2)K of the sorting plate +11, and when the motor rotates the pulley ■, the driving shaft rotates and the first
As shown in Figure 1, the driving shaft α rotates clockwise from Eero to Harney. Then, when the crank 0 mark, whose base is fixed to the drive shaft α, is in position A, the rod a7) is at its maximum extension, so the support rod α2 is centered around the bearing OI. tilt to the left as much as possible. However, when the crank α rotates to the opening position, the support rod az becomes straight as shown in Fig. 11, and when it rotates further and reaches the position , the rod (17) tilts the support rod az to the right as much as possible. let Then, when returning to position A after passing through position 2, support rod α2 returns to its original position, but in this case,
Since the rotation angle of Iha, which is a backward movement, is larger than the rotation angle of Hai, which is a forward movement, as the support rod 020J moves, the sorting plate (1) moves as shown in FIGS. and brown rice B are separated. i.e. the feed hopper.

(8) Immediately after being fed from the feeder, the condition is as shown in Fig. 13, but when this sorting plate (]) suddenly moves to the left due to the forward movement of the hi in Fig. 11, the mixed rice is The whole is shifted to the left side as shown in FIG. At this time, in just one movement, the top and bottom of brown rice B and unhulled rice G are not completely separated from each other', but little by little brown rice B, which has a heavier specific gravity, sinks to the bottom layer, and the brown rice B, which has a lighter specific gravity, sinks to the bottom layer, and Paddy rice G will rise to the upper layer.

Now, the sorting plate (1) in the state shown in Fig. 14 slowly moves back by rotating the crank from A to 8 for 90 seconds and becomes as shown in Fig. 15, but the sorting plate (11) slowly moves back. When moving, the grains in the lower layer on the sorting plate (11) move as they are, and only the grains in the upper layer slide along the slope.
It moves as indicated by the dotted arrow H, so that Figures 13 and 15
When compared with the figure, the unhulled rice G is distributed on the right side in Figure 15, although it is slightly. By repeating this fast return and reciprocating movement many times, the result will become as shown in Fig. 17 and Fig. 18 from Fig. 16, and finally, 0 groups of paddy rice will be distributed on the right side of the sorting plate (11), and on the left side. Brown rice group B is distributed, and the 18th
In the case of the figure, a blank part is formed on the right side, but in the present invention, since the sorting plate (1) is inclined at an α angle as shown in FIG. 19, no blank part is formed.

The brown rice group, mixed rice group, and unhulled rice group separated by the reciprocating movement in the left-right direction flow in the direction of the discharge side (3) according to the discharge flow angle β, and the brown rice group flows into the brown rice outlet @, and the mixed rice The group is taken out at the mixed rice outlet, and the unhulled rice group is taken out at the unhulled rice outlet QI).

The present invention is as described above, and in particular, countless irregularities are formed on the surface of the sorting plate, the depression shape of the sorting plate is approximately four degrees, and the sorting plate has a discharge flow angle in the front and rear directions. The sorting board has side walls that stand up at almost right angles on the front and left and right sides, and the rear side has no side walls and is open across the entire left and right width. A left-right reciprocating device that moves fairly quickly is installed, and on the rear side of the sorting plate, an unhulled rice outlet, a mixed rice outlet, and a brown rice outlet are provided in that order in the forward movement direction. Since it is a swing-type sorting device for unhulled rice and brown rice, the sorting plate (11) can be swung horizontally for sorting, which not only solves all the deficiencies of conventional sorting devices, but also improves sorting efficiency. Board (11
This provides the effect that each grain separated above can be taken out to its respective outlet.

[Brief explanation of drawings]

Fig. 1 is a partially enlarged cross-sectional view of a known sorting plate, Fig. 2 is a cross-sectional front view of the same sorting plate, Fig. 3 is a front view of a known sorting plate, and Fig. 4 shows the sorting plate with horizontal inclinations. 5 is a front view of the same, FIG. 6 is a front view of the present invention, FIG. 7 is a left side view of the same, FIG. 8 is a plan view of the same, and FIG. 9 is a sectional view taken along line IX-IX. ,
Figure 1O is a sectional view taken along the line X-X, Figure 11 is a front view of the quick return mechanism, Figure 12 is a partial sectional view of the sorting plate, and Figures 13 to 18.
The figure is an explanatory diagram of the operation, and FIG. 19 is a diagram of a second embodiment. Explanation of symbols (1)... Sorting plate, (2)... Supply side, (3)
...Discharge side, +41151 +61 river side wall (71°
,, Unevenness・Axle rod,
(Iη...rod, +18...crank, a9...
・Driving shaft, kiln...Pulley, 01)...Unhulled rice outlet, of...Brown rice outlet, (c)...Mixed rice outlet, α...Inclination angle, β...Discharge flow angle. 11th! I Figure 2 Figure 3 #'5j! l ′ I 1189 Agony No. 10 I! I JP-A-58-955708) No. 13 m Fig. 74 Fig. 15 EJ 1” No. 16 wi 1゛ Fig. 17 Fig. 181!I

Claims (1)

[Scope of Claims] A swing-type sorting device for unhulled rice and brown rice that meets the following requirements a to f. Countless irregularities are formed on the surface of the a0 sorting plate. The downward brittle shape of the b1 sorting plate is approximately square. The C1 sorting plate is inclined with a discharge flow angle in the front-back direction. There are side walls that stand up at a substantially right angle on the front side, left and right sides of the d1 sorting plate, and the rear side has no side wall and is open over the entire left and right width. A left-right reciprocating device is attached to the C0 sorting plate, which moves considerably faster in forward motion than in backward motion. On the rear side of the f0 sorting plate, an unhulled rice outlet, a mixed rice outlet, and a brown rice outlet are arranged in that order in the forward movement direction.