JPS61164688A - Grain sorting 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 (Industrial Application Field) This invention relates to a grain sorting device for sorting mixed rice of paddy and brown rice using a rotating sorting tube having a large number of potholes on its inner circumferential surface. It is something.

(Prior art) A rotary sorting tube-type grain sorting device according to the prior art has a grain gutter disposed inside a rotary sorting tube which has a large number of potholes on its inner circumferential surface. The harvested grains are received in a grain trough and are sorted into paddy and brown rice.

(Problems to be Solved by the Invention) In the rotary sorting tube type grain sorting device according to the prior art, a large amount of grains to be sorted stays in the rotary sorting tube, causing grain clogging. be.

(Means for solving the problem) This invention aims to prevent the clogging phenomenon of grains in a rotary sorting cylinder, and the technical means of this invention for solving this technical problem is , a grain gutter (14) is placed in a rotating sorting cylinder (11) which has a large number of pot holes on its inner circumferential surface.
), (16), and a grain gutter (14) disposed on the side of the rotary sorting tube (11) that rotates from the bottom to the top;
Grain feeding plates (28), (28),', which can transfer the grains to be sorted that are falling to the side of the falling side of the grains to be sorted (16) to the discharge side of the rotary sorting cylinder (11).・This is the result of the installation of

(Operation and Effect of the Invention) Grain bags picked up by the rotating sorting tube (11)...
When it falls upward, the grain feeding plates (28), (28),
The grains to be sorted are transferred from the supply side to the discharge side of the rotary sorting cylinder (11) by It is possible to prevent the phenomenon of grain clogging in the container and improve the efficiency of sorting work.

(Example) Hereinafter, an example of the present invention shown in FIGS. 1 to 3 will be described.

First, to explain the configuration of the embodiment, [1] is a shedding part, and this shedding part [1] is composed of a paddy tank (2), a pair of shedding rolls (3), (3), etc. has been done. (4)
In the sloughed rice wind sorting path, the sloughed rice from the shedding section [1] is sorted by the sorting wind generated by the suction fan chamber (5) in front, and the rice husks are removed from the suction fan chamber (5) for dust removal. The mixed rice of brown rice and paddy is discharged from the machine through the cylinder (6) and falls into the sliding rice receiving trough (7) below, and the mixed rice that has fallen into the sliding rice receiving trough (7) is mixed rice for frying. Mixed rice supply hopper (9) with grain 41 (8)
) to the starting end of the supply gutter (14).

(lO) is a sorting case, and inside the sorting case (lO) is a rotary sorting cylinder (11) having a large number of potholes on the inner peripheral surface.
The supply side end (right side in FIG. 1) and the discharge side end (left side in FIG. 1) are rotatably supported by drive rollers (12)-(12) so that they can rotate substantially horizontally. A supply gutter (14) having a supply helix (13) and a finishing rice machine (16) having a finishing rice helix (15) are horizontally mounted inside the rotary sorting cylinder (11).

When arranging this supply gutter (14) and the finishing rice machine (16) in the rotary sorting tube (11), the feed gutter (14)
As shown in Figure 2, the finishing rice gutter (16) is placed on the side of the rotating sorting tube (11) that rotates from the bottom to the top, and the finishing rice gutter (16) is placed on the rotating sorting tube (11).
11) The mixed rice scooped up by the pot hole of the rotary sorting tube (11), which is disposed on the side rotating from the top to the bottom, falls into the supply gutter (14) and is transferred to the feed gutter by the feed helix (13). (14), and the supply gutter (14) also serves as a mixed rice receiving gutter.

The discharge side end of the finishing rice machine (16) is connected to the finishing rice flow down tube (17).
), finishing rice receiving gutter (19) via finishing rice flow grain plate (18)
While the finished rice falls from the finishing rice flow lower tube (17) and the finishing rice flow grain plate (18) to the finishing rice receiving trough (19), it is wind-selected and is passed through the finishing rice receiving trough (19). ) The brown rice that has flowed down to the finished rice grain lifting machine (20) is taken out of the machine.A paddy receiver (21) is arranged below the discharge side end of the 0-rotation sorting cylinder (11). The paddy is sorted by the rotary sorting tube (11) and falls into the paddy receiver (21), where it is hoisted.
22), the paddy is returned to the tank (2) of the removal section [1].

1 (23) is a layer thickness detection sensor disposed below the supply gutter (14) at the supply side end in the rotating sorting tube (ii), and the layer thickness detection sensor (23) is installed in the sorting case (10). It is rotatably supported via a layer thickness detection shaft (24), and the layer thickness detection sensor (23) moves up and down depending on the amount of grains to be sorted in the rotating sorting tube (11). Then, the opening degree of the paddy supply control valve (26) of the paddy tank (2) is adjusted via an interlocking member (not shown) linked to the layer thickness detection shaft (24), and the rotational sorting cylinder (11) This is to increase or decrease the amount of mixed rice supplied to the plant.

(27) is a closing plate supported in a hanging state at the upper end of the supply gutter (14), and this closing plate (27) is located closer to the rotary sorting cylinder (l l) than the layer thickness detection sensor (23). The grains that have been picked up by the rotary sorting cylinder (11) and have not reached the supply gutter (14) or the finishing rice gutter (16) are placed on the upper surface of the layer thickness detection sensor (23) (grain to be sorted). It has the function of preventing the particles from falling to the side surface that does not come into contact with the grains. A grain feeding plate (2
8), (28), ... are installed. When attaching this grain feeding plate (28) to the closing plate (27), the upper part is located at the supply side end of the rotary sorting cylinder (11), and the lower part is located at the discharge side end of the rotary sorting cylinder (11). The rotary sorting cylinder (t
The grains that have been harvested by i) but do not fall into the finishing rice gutter (16) and the supply gutter (14) are transferred to the grain feeding plate (28).
, (28), ... When the grains fall onto the top surface, they are sent from the supply side to the discharge side of the rotating sorting tube (i), and the grains with a lot of paddy are sent to the rotating sorting tube (1i). It has the function of transferring to the discharge side.

Next, the operation of the embodiment will be explained. When carrying out hulling work, the raw rice is supplied to the tank (2), and each rotating part of the hulling machine is driven. Then the part that comes off from the paddy tank (2) [
1] is subjected to the action of shedding, and the fallen rice flows into the sliding rice wind selection channel (4) below and is sorted, and the rice husks are discharged from the dust pipe (6) to the outside of the machine. Ru. Mixed rice of brown rice and paddy is
The fallen rice falls into the receiving trough (7) and is lifted up to the starting end of the supply trough (14) on the side of the rotating sorting cylinder (11) through the mixed rice supply hopper (9) by the mixing rice lifting machine (8). supplied, supply gutter (14
) is supplied to the supply end of the rotary sorting cylinder (11) by a supply helix (13).

Next, the mixed rice is scooped up by the pot hole of the rotary sorting tube (11) which is rotating clockwise in Figure 2, and the fine brown rice falls into the finishing rice gutter (16), and the paddy and some brown rice are removed. The mixed rice falls into the supply gutter (14) and is sorted, and the unsorted mixed rice that falls into the feed gutter (14) is sorted by the feed helix (14).
In step 3), the material is supplied from the conveyance terminal end of the supply gutter (14) into the rotary sorting tube (11) and re-sorted. In addition, finishing rice gutter (
The finished rice that has fallen onto 16) is conveyed to the finishing rice flow down cylinder (17) by the finishing rice helix (15), and then transferred to the finishing rice flow grain plate (18).
While falling into the finished rice receiving gutter (19), it is sorted by the sorting air generated by the rotation of the pressure fan in the pressure fan room (29), and is taken out of the machine by the finished rice lifting machine (20). It is something.

The sorted rice sent to the discharge side end of the rotating sorting cylinder (11) falls into the rice receiving trough (21) below.

The paddy is returned to the tank (2) of the shedding section [1] in the paddy lifting machine (22), and is subjected to the shedding action in the shedding section [1] again.

As described above, the hulling and sorting work is carried out.
6) When the grains to be sorted that do not fall into the supply gutter (14) fall downward, the closing plate (27) prevents them from flowing down to the upper surface of the layer thickness detection sensor (23). The layer thickness detection sensor (23) can smoothly move up and down according to the amount of grains to be sorted without the grains to be sorted being accumulated on the upper surface of the layer (23). Also, the grain feeding plates are (28), (28),...
The grains to be sorted with a lot of paddy that have fallen to the top are transferred to the rotary sorting cylinder (11
), it is possible to improve the feeding of the paddy to the discharge side end and improve the sorting efficiency.

Next, referring to FIGS. 4 and 5, a finished rice control valve (16a) and a mixed rice control valve (14a) are installed at the upper ends of the finished rice gutter (16) and the supply gutter (14), respectively.
is rotatably supported, and the areas of the finishing rice machine (16) and supply gutter (14) can be adjusted to increase or decrease, and the area is adjusted from below to above the rotating sorting tube (11) of the mixed rice control valve (14a). On the surface facing the part that rotates, there is a grain feeding plate (28),
(28), ... are installed. When attaching this grain feeding plate (28) to the mixed rice control valve (14a), the rotary sorting tube (11) is tilted so that the supply side is located at the top and the discharge side is located at the bottom. Tube (
When the unsorted grains that have been scooped by step 11) but do not fall into the finishing rice gutter (16) and the supply gutter (14) fall onto the grain feeding plates (28), (28), ... , which has the function of transporting the grains from the supply side to the discharge side of the rotary sorting cylinder (11), and is capable of improving the sorting efficiency.

Next, to explain what is shown in FIGS. 6 and 7, a sorting case (10
) is configured to be able to move up and down freely around the discharge side end (the side near the position of the part to be taken off), and is equipped with a cylindrical tilt motor (3
The inclination can be adjusted by a sorting case inclination adjusting device (not shown) which can be driven by the sorting case inclination adjustment device (not shown). A finished rice control valve (16a) and a mixed rice control valve (1
4a) is rotatably supported on a shaft, and the receiving area of the finishing rice machine (16) and the supply gutter (14) can be adjusted to increase or decrease. Then, when the mixed rice control valve (14a) is rotated to the fully closed position, the forward rotation switch (32) is activated and the control circuit (3
3) The cylindrical tilting motor (30) is driven to rotate at a predetermined number of rotations in the normal direction via the forward rotation drive circuit (34), and the sorting case tilt adjustment device (not shown) is activated, thereby controlling the rotation inside the sorting case (10). The supply side end of the sorting tube (11) is lifted upward,
The remaining grains in the rotary sorting tube (11) are removed from the rotary sorting tube (11).
The rice is discharged from the discharge side end to the lower paddy receiver (21), and the remaining grains are removed.The mixed rice control valve (14)
The adjustment operation a) allows the cylindrical tilt motor (30) to be driven. After the processing of residual grains is completed, when the reverse rotation switch (35) is manually operated, the cylindrical tilting motor (30) is reversely rotated via the control circuit (33) and the reverse drive circuit (36), and the sorting is carried out. Return the case (10) to the horizontal state.

Next, to explain the contents shown in Fig. 8, a closing plate (27) is suspended from the upper end of the supply gutter (14) and is positioned between the layer thickness detection sensor (23) and the rotary sorting tube (11). The grains that have been picked up by the sorting tube (11) for one rotation but do not fall into the finishing rice gutter (16) or the supply gutter (14) are placed on the top surface of the one-layer thickness detection sensor (23) (of the grains to be sorted). The rotating sorting tube (l l
), and has the function of preventing grains from being deposited on the upper surface of the layer thickness detection sensor (23).

[Brief explanation of the drawing]

The drawings show an embodiment of the invention; FIG. 1 is a cutaway side view, FIG. 2 is a cutaway rear view, FIG. 3 is a side view,
FIG. 4 is a cutaway rear view, and FIG. 5 is a perspective view. 6th
The figure is a cutaway rear view, FIG. 7 is a circuit diagram, and FIG. 8 is a cutaway rear view. Explanation of symbols: [1] is the shedding part, (2) is the paddy tank, (3) is the shedding roll, (8) is the mixed rice lifting machine, (9) is the mixed rice supply hopper, (10) is the sorting The case, (ll) is the rotating sorting tube, (
12) is a drive roller, (13) is a supply helix, (14)
) is the supply gutter, (14a) is the mixed rice control valve, (15) is the finished rice spiral, (16) is the finished rice machine, (16a) is the finished rice control valve 5, (23) is the layer thickness detection sensor, ( 24) is the layer thickness detection shaft, (26) is the paddy supply control valve, (27) is the closing plate, and (28) is the grain feeding plate.

Claims (1)

[Scope of Claims] [1] Grain troughs (14) and (16) are arranged in a rotating sorting cylinder (11) having a large number of potholes on its inner peripheral surface,
The grains to be sorted are rotated on the falling side of the grains to be sorted in the grain troughs (14) and (16) arranged on the side of the rotary sorting tube (11) that rotates from the bottom to the top. Sorting tube (11
) grain feed plate (28) that can be transferred to the discharge side of the
, (28), ... A grain sorting device.