JPS60143836A - Rotary type cereal grain selector - 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] [Field of Industrial Application] The present invention relates to a rotary grain sorting device used for sorting brown rice from a mixture of paddy and brown rice after hulling, for example. It is.

[Conventional technology]

A rotary sorting cylinder having a number of depressions formed on its inner peripheral surface is installed horizontally, and one end of the rotary sorting cylinder serves as a mixed rice supply side, and the other end serves as a paddy discharge side. On the other hand, a rotary sorting device in which a brown rice receiving trough extending in the axial direction of the sorting cylinder is disposed in the rotary sorting cylinder is disclosed in Japanese Patent Application Laid-Open No. 49-24746 as a prior art. ing.

In this rotary sorting device, the mixed rice supplied to the supply side at one end of the sorting cylinder is scraped up to a height by the rotation of one sorting cylinder, and then falls to the bottom, forming a fluidized bed. While moving to the discharge side, the brown rice of the mixed rice is lifted up to a relatively high position in a hollow and then falls, and the paddy of the mixed rice falls from a lower position than the brown rice. By taking advantage of this phenomenon, the brown rice falling from a high position is caught in the brown rice catcher and dumped out.

[Problem that the invention seeks to solve]

However, in the prior art, the discharge side at the other end of the sorting cylinder is open and the scraped rice is fed into the supply side at one end, so that the mixed rice flowing inside the sorting cylinder is The thickness of the layer gradually becomes thinner from the supply side to the discharge side, and becomes extremely thin near the discharge side, so that the layer on the discharge side is scraped up to the height created by the rotation of the sorting cylinder. The falling mixed rice collides with the bottom of the sorting cylinder with considerable force, causing brown rice that tries to fit into the hollow at the bottom of the sorting cylinder, or scattering of brown rice that is stuck in the hollow and is thrown out of the hollow. And/or a dancing phenomenon occurs, reducing the number of brown rice that fits into the recesses, resulting in a significant decline in the sorting accuracy and capacity on the discharge side of the sorting cylinder.

The present invention improves the sorting accuracy and performance by reducing the scattering and/or dancing phenomenon of the fluid mixed rice on the discharge side of the sorting cylinder in the rotary grain sorting device disclosed in the publication as the prior art. This is to avoid a decrease in the amount on the discharge side.

[Means for solving problems]

Therefore, in the present invention, a rotary sorting cylinder having a plurality of depressions formed on its inner peripheral surface is installed horizontally, and one end of the rotary sorting cylinder is placed on the supply side of the mixed rice of paddy and brown rice, and the other end In the rotary sorting device, a brown rice receiving trough is arranged in the rotary sorting cylinder and extends in the axial direction of the sorting cylinder. A sliding plate that is inclined diagonally upward toward the downstream side in the rotational direction of the sorting tube is provided on the inner bottom of the side near the inner surface of the sorting tube.

[Action/effect of the invention]

In this way, by providing the sliding plate that slopes diagonally upward toward the downstream side in the rotational direction of the sorting cylinder on the inner bottom of the discharge side of the sorting cylinder, the rotation of the sorting cylinder on the discharge side of the sorting cylinder is prevented. The mixed rice that has been raked up to the height corresponding to It is possible to reduce the scattering and/or dancing phenomenon caused by forceful collision with the bottom of the cylinder, and increase the number of brown rice that fits into the depression.

Therefore, according to the present invention, it is possible to avoid a decrease in the sorting accuracy and capacity of brown rice near the discharge side of the sorting cylinder as in the prior art, so it is possible to improve the sorting capacity of the whole sorting cylinder and to improve the sorting accuracy. It has the effect of improving.

〔Example〕

The present invention will be described below with reference to drawings of embodiments. In the drawings, 1 is a sorting cylinder housed in a shaft-shaped case 2, and a large number of depressions a are formed on the inner circumferential surface of the sorting cylinder.
The sorting cylinder 1 is supported in a substantially horizontal state on the upper surface of a plurality of wheels 3 and 4 which are rotationally driven by an appropriate drive device (not shown).

One end of this sorting cylinder 1, which is rotated by this roller 3.4 in the direction shown by the arrow in FIGS. 2 to 4, is connected to the supply side
A mixture of paddy and brown rice to be prepared after hulling is fed into this supply side X from the supply hopper 5, while the other end of the sorting cylinder 1 is formed into an open discharge side Y. , the paddy discharge hopper 6 is visible at the lower part of the discharge side Y end.

Inside the sorting cylinder 1, a top-open brown rice receiving gutter 7 extending in the axial direction of the sorting cylinder 1 is provided over the entire length of the sorting cylinder 1.
．． The box-shaped case 2 is located at the upper end of the inclined side plate 8 on the left side of No.
Adjustment plate 11 that is rotatably operated by lever 10 on the outside of
A rotary conveyor 12 is provided in the i-rice/wheat WAT to transfer the brown rice in the brown rice receiving trough 7 to a chute 13 at one end thereof.

At the bottom of the discharge side Y in the sorting cylinder 1, a sliding plate 14 that is inclined diagonally upward toward the downstream side in the rotational direction of the sorting cylinder 1 is disposed, and the sliding plate 14 is connected to the brown rice receiver. Two brackets 7) hanging from the gutter 7) are fixed to the plates 15 and 16 so that the lower ends 14' and upper ends 14'' of the sliding plates are close to the inner peripheral surface of the sorting cylinder 1 with narrow intervals P and Q. It is made up of

Note that the reference numeral 17 in the figure indicates the discharge side edge 1 of the sorting cylinder l.
′ shows the Serasi plate facing wIIR for a narrow distance.

In this configuration, the mixed rice supplied to the supply side X in the sorting cylinder 1 is scraped up to a height created by the rotation of the sorting cylinder 1, and then falls to the bottom repeatedly, forming a fluidized bed. While being transferred toward the discharge side Y, the brown rice in the mixed rice is stuck in the depression a and reaches a relatively high position as shown by the arrow (a) in Figures 2 and 3. After being lifted up, the rice falls from the recess a into the brown rice receiving trough 7, and is taken out of the machine from the chute 13 at the other end of the warmer conveyor 12.

On the other hand, as the fluidized mixed rice in the sorting cylinder 1 is transferred to the discharge side Y, the brown rice is sorted into the brown rice receiving trough 7, so that the amount of paddy increases and the thickness of the fluidized bed becomes thinner. The mixed rice scraped up to the height formed by the rotation of the sorting cylinder l on the discharge side Y falls onto the upper surface of the sliding plate 14 as shown by the arrow (b) in FIG.
After sliding down the upper surface of the sorting cylinder 1, the mixed rice slowly flows down to the bottom of the sorting cylinder 1, which reduces the scattering and/or dancing phenomenon of the flowing mixed rice on the discharge side Y of the sorting cylinder 1. be.

Note that, as in the above embodiment, the discharge side end 1' of the sorting cylinder 1
If the amount of paddy discharged from the discharge side edge 1' is regulated by providing a paddy plate 17 facing with a narrow interval R, the fluidized bed on the discharge side Y can be maintained thickly, which is more effective. It is true.

[Brief explanation of drawings]

The figures show embodiments of the present invention, with Figure 1 being a longitudinal sectional front view and Figure 2 being a longitudinal sectional front view.
The figure is a cross-sectional view taken along line A-A in figure 1, and figure 3 is the 13-13-section in figure 1.
FIG. 4 is a cross-sectional view taken along line C-C in FIG. 1. 1... Sorting cylinder, 7... Brown rice catcher, X... Supply side, Y... Discharge side, 14... Slide plate. Patent applicant Seirei Kogyo Co., Ltd.

Claims (1)

[Claims] (1) A rotary sorting cylinder with a number of depressions formed on its inner circumferential surface is installed horizontally, and one end of the rotary sorting cylinder is placed on the supply side of the mixed rice of paddy and brown rice, and the other end is placed on the side where the mixed rice of paddy and brown rice is supplied. In a rotary sorting device, a brown rice receiving trough is disposed in the rotary sorting cylinder and extends in the axial direction of the sorting cylinder, and the discharge side of the sorting cylinder is arranged on the discharge side of the paddy. A rotary grain sorting device characterized in that a slide plate is provided on the inner bottom of the sorting tube in close proximity to the inner surface of the sorting tube, the sliding plate tilting diagonally upward toward the lower side in the rotational direction of the sorting tube.