TWI484903B - Rice husking separator - Google Patents

Description

Rice shelling sorting machine

The present invention relates to a swing sorting plate having a multilayer structure in which a specific gravity is sorted, and a rice shelling sorting machine that distributes mixed rice to a mixed rice distribution unit of each swing sorting plate.

In the swing sorting apparatus of Patent Document 1, when the rice and brown rice mixed rice is stored in the swing sorting device from the rice husking device via the mixing rice box, the mixing is disposed at a position close to the back surface of the swing sorting device. The rice distribution unit supplies the mixed rice to the back side of the multi-layer swing sorting plate. On the other hand, a large foreign matter such as straw chips in the mixed rice is stored in the foreign matter receiving portion from the end of the porous plate for separating foreign matter in the mixed rice distribution portion, and in this case, the separation plate is placed in the foreign matter receiving portion. The mixed rice which is held in the straw chips is sorted, merged into the re-sorting passage for the supply of the loop, and supplied again to the swing sorting device, whereby the grain loss at the time of brown rice sorting can be suppressed.

Patent Document 1: Japanese Laid-Open Patent Publication No. 2010-29792

However, since it is necessary to use a dedicated slide to merge the mixed rice sorted from the straw chips from the foreign matter receiving portion to the re-sorting passage, there is a problem that the structure of the device is complicated.

An object of the present invention is to provide a rice husking and sorting machine which can separate and discharge mixed foreign matter in a mixed rice by a simple structure without causing sorting loss of mixed rice.

The rice husking and sorting machine according to the first aspect of the present invention is provided with a rice husking apparatus 2 and a oscillating sorting plate 11 of a multi-layer structure, and the rice husking apparatus 2 is used for rice husking treatment of rice, and the above-mentioned multilayer structure The swing sorting plate 11 is used for sorting the proportion of rice mixed with rice and brown rice which has been subjected to rice shelling treatment by the rice shelling device 2, The rice husking and sorting machine is characterized in that: the rice husking and sorting machine is provided with: a mixed rice flow lower plate 12a for supplying mixed rice to the oscillating sorting plates 11 of each layer; The receiving portion perforated plate 71 causes the mixed rice to leak down to the mixed rice flow lower plate 12a, and transfers the long foreign matter; and the sorting portion porous plate 73 which is not leaked in the receiving portion porous plate 71 but mixed in the above-mentioned length The mixed rice discharged from the foreign material is leaked to the uppermost swing sorting plate 11.

According to a second aspect of the present invention, the rice husking and separating machine is provided with a foreign matter discharge port 72 for discharging the long foreign matter transferred by the sorting unit porous plate 73, and the sorting portion perforated plate 73 faces the side discharge port. 72 is formed obliquely upward.

According to a third aspect of the present invention, in the configuration of the first aspect or the second aspect, the foreign matter discharge port 72 for discharging the long foreign matter transferred by the sorting unit perforated plate 73 is provided at the foreign matter discharge port 72. A receiving plate 81 for receiving a long foreign object to be discharged is provided below, and the receiving plate 81 is a part of the exterior cover 14 and is configured to be openable and closable, and the exterior cover 14 covers the rear of the swinging sorting plate 11.

According to a fourth aspect of the present invention, in the configuration of the third aspect, the wall body 14b surrounding the outer periphery of the receiving plate 81 is provided.

According to the first aspect of the present invention, the mixed rice which is leaked in the receiving portion perforated plate 71 and flows down the mixed rice flow lower plate 12a is distributed and supplied to the swing sorting plate 11 of each layer, and the long foreign matter is received on the receiving portion perforated plate 71. It is transferred and discharged to the sorting plate porous plate 73.

Since the mixed rice which is not leaked on the receiving-portion porous plate 71 but is mixed and discharged in the above-mentioned elongated foreign matter is leaked onto the uppermost swinging plate 11 on the sorting section porous plate 73, Receiving section perforated plate 71 The simple structure of the sorting unit perforated plate 73 can suppress the loss of the mixed rice mixed in the long foreign matter such as straw chips and separate the foreign matter.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the sorting unit porous plate 73 which is inclined upward is used to suppress the transfer of the long foreign matter, and the mixed rice is reliably leaked.

According to the third aspect of the present invention, in addition to the effects of the first aspect or the second aspect, the foreign matter is received from the foreign matter discharge port 72 by the receiving plate 81, and the foreign matter is dropped and discharged by opening the receiving plate 81. The worker can take out the foreign matter without coming into contact with foreign matter. Moreover, long strips of foreign matter can be taken out at any time even in the rice shelling and sorting operation.

According to the fourth aspect of the present invention, in addition to the effect of the third aspect, by receiving the wall body 14b on the outer periphery of the plate 81, it is possible to prevent the foreign matter received by the receiving plate 14 from being scattered.

Hereinafter, an embodiment based on the above technical idea will be described with reference to the drawings.

First, the whole of the rice shelling sorting machine which is an application object of the present invention will be described.

As shown in the front side perspective view (a) and the back side perspective view (b) of Fig. 1, the rice husk sorting machine 1 is configured to include an impeller type rice husking apparatus 2 at the left end of the front side of the machine body, and a chaff pipe 3a. a wind selection unit 3; a rice mixer 3b and a mixing rice box 3c disposed at a rear portion of the air selection unit 3; and a swing sorting device 4 that is long before and after the mixing rice box 3c is supported at a rear portion; A finishing rice elevator 5 located on the side of the swing sorting device 4.

As shown in the front view of the rice husking and sorting machine 1, the rice hopper 2a for accommodating the rice is placed above the impeller type rice husking apparatus 2, and the wind-selecting part 3 is used. The grain obtained by the dehulling of the rice husking apparatus 2 is subjected to the air-selection treatment, and the separated chaff is discharged from the chaff pipe 3a, and the air-selected grain (mixed rice of rice and brown rice) is stored by the mixed rice elevator 3b. The mixed rice box 3c is supplied from the mixable rice box 3c to the sorting start end H side of the swing sorting device 4 as shown in the schematic view of the sorting distribution state of FIG. The swinging operation in the left-right direction of the sorting device 4 sorts the specific gravity of the brown rice to the upper swing side, and arranges the movable brown rice partitioning plate 4p on the sorting end side T corresponding to the sorting area A of the brown rice to separate the sorted brown rice. The discharge passage 4a reaching the finishing rice elevator 5 discharges the above-mentioned sorted brown rice as a finished brown rice.

On the other hand, in the rice which is sorted to the hem side of the swing sorting device 4, the movable rice partitioning plate 4q is disposed corresponding to the rice region B, and the sorting rice of the rice region B is passed to the thrower (thrower) The 4t rice husking channel 4b is returned to the rice husking device 2 again, and the remaining mixed rice sorted to the mixed rice region C is again fed back to the re-sorting channel 4c of the mixed rice elevator 3b. The sorting device 4 is swung. In this way, the brown rice is sorted while the rice shelling operation is performed, and the brown rice is discharged from the brown rice area A as the finished brown rice by the finishing rice elevator 5.

The swing sorting device 4 will be described in detail. Main view as shown in Figure 3. (a) and the side view (b), the sorting unit and the mixed rice distribution unit are integrally formed, and the sorting unit is configured by fixing the front and rear swinging sorting plates 11 in multiple layers by the two side plates 11a and 11a. The mixed rice distribution unit is configured by the distribution receiving unit 12 that receives the mixed rice and distributes the mixed rice to the respective swing sorting plates 11 on the upper back side of the sorting unit, and is disposed on the left side plate 11a on the hem side. The rice brown rice separation body 13 for guiding the sorting rice of the rice region B to the rice rearing channel 4b is provided, and the outer casing 14 covering the periphery of the swinging sorting plate 11 is provided with the foreign matter receiving portion 15.

(sorting department)

For the swing sorting plate 11 of the multilayer structure constituting the swing sorting device 4, a large number of selected recesses 11c are formed, respectively, by tilting the swing sorting plate 11 as a whole to the side, and rearranging the sorting start end side H When the end portion is high, the side swing is performed while receiving the mixed rice from the distribution receiving unit 12, whereby the respective distal end portions of the swing sorting plate 11 of the multilayer structure are used as the sorting end side T to divide the grain. selected. A brown rice area A of a brown rice layer is formed on the upper side of the swing sorting plate 11, a rice area B of a rice layer is formed on the lower side, and a mixed rice area C of a mixed rice layer is formed in the intermediate portion.

As shown in the perspective view of FIG. 4, the side end portion of the sorting end side T of the rice region B of each of the swing sorting plates 11 is provided for the rice paddy region B as shown in the first configuration example of the swing sorting device 4. The rice is taken out of the rice guide port 21.

The rice guide opening 21 is an opening formed by slitting the side plate 11a on the hem side, and is provided on the sway side of the sorting end side T of the swing sorting plate 11. Box-shaped rice brown rice is placed at a position opposite to the side of the rice guide port 21 The outer body 13 is attached to the side plate 11a. In such a configuration, the rice in the rice region B of each of the swing sorting plates 11 flows into the rice brown rice isolate 13 through the rice guide opening 21, and the brown rice mixed with the rice is separated in the rice brown rice isolate 13 to guide the rice to the rice. The shell passage 4b guides the brown rice to the re-sorting passage 4c.

In the rice brown rice separation body 13, a porous plate 21a is provided corresponding to the number of layers of the swing sorting plate 11, and the porous plate 21a is formed with a large number of through holes which serve as a mesh body in which brown rice mixed with rice is leaked. A brown rice guide sheet 23 is provided below each of the perforated plates 21a, and the brown rice guide sheets 23 receive the brown rice that has been leaked and sorted. In other words, the porous plate 21a and the brown guide sheet 23 are alternately arranged in the vertical direction.

On the brown rice discharge side of the brown rice guide sheet 23, a brown rice guide passage 24 through which the brown rice discharged from each of the brown rice guide sheets 23 is guided is provided, and the brown rice guide passage 24 is communicated with the re-sorting passage 4c.

Further, a rice guide passage 22 through which the rice which has not leaked from the perforated plate 21a of each layer is guided is provided, and the rice guide passage 22 is communicated with the rice rear-shelling passage 4b.

The brown rice guiding passage 24 of the present embodiment is disposed on the side of the brown rice guide sheet 23, and the rice guiding passage 22 is disposed on the front side of the perforated plate 21a.

The following structure is formed: the perforated plate 21a and the brown rice guiding passage 24 are separated by the rice partition wall S, and the brown rice guiding plate 23 and the brown rice guiding passage 24 are communicated, and are formed into a structure in which the perforated plates 21a and the rice are guided. The passages 22 are in communication, and the brown rice guide sheets 23 are separated from the rice guide passages 22 by the brown rice partition walls G.

That is, the perforated plate 21a, the brown rice guide plate 23, the rice guide passage 22, the brown rice guide passage 24, the rice partition wall S, and the brown rice partition wall G are provided in the casing of the rice brown rice separation body 13.

With respect to the swing sorting device 4 configured as described above, as shown in the plan view (a), the side view (b), and the front view (c) of the main portion of FIG. 5 showing the action of the sorting portion, the rice in the rice region B is set in The rice guide opening 21 of each of the plurality of swinging sorting plates 11 flows into the perforated plate 21a of the rice brown rice separating body 13. The brown rice mixed in is leaked from the perforated plate 21a, and the rice remaining on the perforated plate 21a is prevented from flowing into the brown rice guiding passage 24 by the rice partition wall S, flows into the rice guiding passage 22, and falls to the rice husking channel 4b to be guided. Further, the brown rice leaking from the perforated plate 21a is dropped and supplied to the brown rice guide sheet 23, and the brown rice is prevented from flowing into the brown rice guide passage 24 by the brown rice partition wall G, and is dropped into the brown rice guide passage 24, and is guided to the re-sorting passage. 4c. According to this configuration, by sorting the respective layers, it is possible to sort the brown rice mixed in the rice grains taken out from the rice region B without being retained and with high precision.

In this case, by providing the rice brown rice separation body 13 along the outer side of the side plate 11a and forming a long sorting stroke by the perforated plate 21a having a long front-rear direction, the sorting precision of rice and brown rice can be improved, and therefore, it can be lowered. The amount of brown rice returned to the rice shelling device 2 is reduced, thereby reducing the amount of brown rice damaged by secondary shelling. Moreover, the sorted brown rice can be quickly re-sorted through the re-sorting channel 4c.

Further, for each of the brown rice guide sheets 23, the brown rice is provided below the perforated plate 21a of the rice guide opening 21 for conveying the brown rice to the brown rice guide passage 24 side. The oblique angle of the exit can quickly guide the leaked sorting grain received from the perforated plate 21a, thereby enabling efficient re-sorting without stagnation. In addition, since the perforated plate 21a is provided in a posture parallel to the swinging plate 11 and is inclined in the front-rear direction in the front-rear direction in the same manner as the wobble plate, the rice can be smoothly discharged to the rice guide. Channel 22.

Further, by connecting the re-sorting communication portion 24a which is disposed obliquely below the swing sorting plate 11 to the lower end of the brown rice guiding passage 24, and connecting the re-sorting communication portion 24a and the re-sorting passage 4c, The re-sorting communication portion 24a is provided behind the rice guiding passage 22, and can easily configure the respective conveying strokes of the rice and the brown rice separated by the rice brown rice separating body 13.

In addition, as for the side plate 11a of the swing sorting device 4, as shown in the other part of the plan view (a) and the front view (b) of Fig. 6, the side plate 11a of the side end of the rice paddle B is provided. The projecting portion 11d that protrudes forward and forms an angle on the discharge side can be easily configured by eliminating the movable rice partitioning plate 4q that partitions the rice.

In addition, as shown in the top view (a), the side view (b), and the front view (c) of the main part showing the action shown in FIG. 7, the sorting unit is in the same manner as described above. The rice brown rice separation body 13 in which the front end (sorting end side T) of the swing sorting plate 11 is formed with the rice guide passage 22 is formed so that the brown rice guide sheet 32 is formed from the rear low front height and from the rear end of each brown rice guide sheet 32. The position forms a brown rice guiding passage 33, and the brown rice is guided to the re-sorting passage 4c by the re-sorting passage 33a formed below the swing sorting plate 11 from the lower end of the brown rice guiding passage 33, whereby the swing sorting can be suppressed The width dimension of the device 4.

In the third embodiment, as shown in the enlarged front view of the main portion of Fig. 8, the porous plate 41a is provided in the outer direction from the side end portion of the rice region B of each of the swing sorting plates 11 in the third configuration example. A rice guiding passage 42 is provided at an outer position of the perforated plate 41a, and a brown rice guide sheet is formed by the front low (lower) and lower high ground as shown in the main part (a), the side view (b), and the front view (c) of FIG. In addition, the brown rice guide passages 44 are formed at the front end of the swing sorting plate 11, and the rice and brown rice of the rice paddy region B can be easily formed at the front end portion of the swing sorting device 4 while ensuring high-efficiency brown rice separation of the respective layers. Their respective itineraries.

In the fourth embodiment, as shown in the enlarged view of the main part of FIG. 10, the perforated plate 41a is provided in the outer direction from the side end portion of the paddy region B of each of the swing sorting plates 11 in the fourth configuration example. A rice guide passage 42 is provided at an outer position of the perforated plate 41a, and a brown rice guide plate 43a for guiding the brown rice to the swinging separation plate 11 of the next layer is provided, whereby high-efficiency brown rice separation of each layer can be ensured. The rice and brown rice of the rice area B are separately treated by a simple structure that does not require a brown rice guiding channel.

(Mixed rice distribution department)

As shown in the perspective front view including a partial view of Fig. 11, the receiving receiving portion 12 is provided with a receiving portion perforated plate 71 which receives the mixing from the mixing rice box 3c as the supply regulating portion in the lateral posture. A through hole 71a for separating the long foreign matter D is formed, and a foreign matter discharge port 72 is formed to face the discharge end of the receiving portion perforated plate 71, and the foreign matter discharge port 72 is for laterally moving the long foreign matter D to the side. Discharge and, in the receiving department A sorting portion perforated plate 73 having a through hole 73a for draining the mixed rice to supply the mixed rice to the swing sorting plate 11 is provided between the discharge end of the perforated plate 71 and the foreign matter discharge port 72. The through hole 73a is formed at least over the entire width of the discharge end side of the receiving portion perforated plate 71. An average valve 74 (flow rate control valve) for flow rate adjustment is provided on the hem side of the distribution receiving unit 12.

The receiving portion perforated plate 71 having the above-described configuration causes the mixed rice received from the mixing rice box 3c to leak to the lower mixed rice flow lower plate 12a by the swing operation, thereby distributing the mixed rice to the respective swing sorting plates 11 and passing through The swing of the swing sorting plate 11 transfers the long foreign matter D remaining in the mixed rice of the receiving section perforated plate 71 to the side end side of the receiving section porous plate 71. The long foreign matter D is further transferred to the sorting unit perforated plate 73, and the mixed foreign matter mixed with the long foreign matter D is leaked and supplied to the uppermost swinging sorting plate 11, and the long foreign matter D is discharged from the foreign matter. 72 discharged. Therefore, with the simple configuration including the receiving portion perforated plate 71 and the sorting portion perforated plate 73, it is possible to suppress the loss of the mixed rice mixed in the long foreign matter D such as straw chips, and to sequentially discharge the foreign matter D without being retained.

In this case, by arranging the sorting portion perforated plate 73 at a position opposed to the uppermost swinging sorting plate 11, the mixed rice can be supplied to the swing sorting plate 11 without requiring a special guide member. In addition, by forming the sorting unit porous plate 73 obliquely upward toward the foreign matter discharge port 72, the moving speed of the long foreign matter D can be suppressed, and the mixed rice can be reliably leaked.

(foreign object receiving unit)

As shown in the exploded perspective view (a) of Fig. 12 and the side view (b) of the main part The foreign matter receiving portion 15 is provided at a position directly below the foreign matter discharge port 72 of the distribution receiving portion 12 and at an opening formed in the extension portion 14a of the exterior cover 14, so that the receiving plate 81 can be provided so that the opening can be opened. Further, the outer cover 14 covers the back side of the swing sorting plate 11. That is, the receiving plate 81 forms a part of the exterior cover 14.

In the foreign matter receiving portion 15, the receiving plate 81 is axially supported by the hinges or the like so as to be openable, so that foreign matter from the outside can be prevented from entering during the closing, and the foreign matter discharge port 72 can be received and stored from the mixed rice dispensing portion. The long strip of foreign matter D separated by the mixed rice. The opening operation is performed by rotating the receiving plate 81 at the side position of the body, so that the receiving plate 81 becomes an inclined guide and the stored foreign matter D is dropped and discharged to the outside of the machine, so that the worker can store the foreign matter D without being in contact with the stored foreign matter D. The foreign matter D is housed in a storage member (not shown) disposed below.

In this case, by providing the wall body 14b surrounding the opening formed in the overhanging portion 14a, it is possible to prevent the foreign matter D received on the receiving plate 81 from being scattered. Further, a configuration may be adopted in which the receiving plate 81 is supported by a hinge shaft with a return spring, and the opening is opened by the self-weight of the foreign matter D, and after the foreign matter D is discharged, the opening is automatically closed without forgetting to close.

Further, as shown in the perspective view (a) and the side view (b) of Fig. 13, the foreign matter receiving portion 15 is configured as an extraction type, and the support portion 82b is formed along both side ends of the receiving box 82 of the belt handle 82a. 82b, the slide rails 14c and 14c for supporting the support portions 82b and 82b so as to be slidable are provided at the opening edge of the projecting portion 14a, thereby forming a foreign matter receiving portion formed by the receivable receiving box 82. Able to receive and store foreign matter D, and, By the extraction operation from the side of the body, the worker can take out the stored foreign matter D without having to contact the stored foreign matter D.

Further, as shown in the perspective view (a) and the side view (b) of Fig. 14, the foreign matter receiving portion 15 is configured as a slide type, and the slide receiving member 83 capable of guiding the foreign matter D constitutes foreign matter receiving. The fixing portion 83a in which the support hole is formed is provided in the side portion, and the receiving plate 83 is pivotally supported by the hinge or the like so as to be rotatable, whereby the foreign matter can be discharged to the side of the body, and the receiving plate can be passed. When the 83 is rotated downward, it can be handled even when the storage member disposed below is located at a lower position.

According to the configuration of the foreign matter receiving unit described above, in the rice unpacking sorting operation, the worker can safely take out the sorted foreign matter to the outside of the machine at an arbitrary timing.

1‧‧‧ rice shelling sorting machine

2‧‧‧ rice shelling device

4‧‧‧Swing sorting device

4b‧‧‧ rice re-shelling channel

4c‧‧‧ re-sorting channel

11‧‧‧Swing sorting board

12‧‧‧Distribution receiving department

13‧‧‧ rice brown rice isolate

14b‧‧‧ wall

15‧‧‧ Foreign Body Receiving Department

21‧‧‧ rice channel

21a‧‧‧Multiwell plate

22‧‧‧ rice channel

23‧‧‧ Brown rice guide board

24‧‧‧ Brown rice guide channel

24a‧‧‧Separation of the Ministry of Communications

51‧‧‧ rice channel guide

52‧‧‧Partial selection board

61‧‧‧ rice channel guide

62‧‧‧Partial selection board

71‧‧‧ receiving plate perforated plate

72‧‧‧ Foreign matter discharge

73‧‧‧Sorting multi-well plate

81‧‧‧ receiving board

A‧‧‧ Brown rice area

B‧‧‧ Paddy Area

C‧‧‧Mixed rice area

G‧‧‧ Brown rice partition wall

S‧‧‧ rice partition

1 is a front side perspective view (a) and a back side side perspective view (b) of a rice shelling sorting machine.

Fig. 2 is a front elevational view showing the internal structure of a rice husking and sorting machine.

Figure 3 is a front view (a) and a side view (b) of the swing sorting device.

4 is a perspective view of a rice brown rice separator of a first configuration example of the sorting unit.

Fig. 5 is a plan view (a), a side view (b), and a front view (c) of the operation of the sorting unit.

Fig. 6 is a plan view (a) and a front view (b) of a main portion of another configuration example of the side plate.

Fig. 7 is a plan view (a), a side view (b), and a front view (c) of a main part of a second configuration example of the sorting unit.

8 is an enlarged front view of a main part of a third configuration example of the sorting unit.

Fig. 9 is a plan view (a), a side view (b), and a front view (c) of a main part of the third configuration example.

FIG. 10 is an enlarged front elevational view of a main part of a fourth configuration example of the sorting unit.

Figure 11 is an internal perspective front view of the mixed rice dispensing portion including a partial view.

Fig. 12 is an exploded perspective view (a) and a main portion side view (b) of the foreign matter receiving portion.

Fig. 13 is a perspective view (a) and a side view (b) showing a configuration example of the extraction type foreign matter receiving portion.

Fig. 14 is a perspective view (a) and a side view (b) showing a configuration example of a slide type foreign matter receiving portion.

Fig. 15 is a view showing the sorting distribution of the swing sorting plate.

4‧‧‧Swing sorting device

11‧‧‧Swing sorting board

11a‧‧‧ side panels

12‧‧‧Distribution receiving department

12a‧‧‧Mixed rice flow down plate

13‧‧‧ rice brown rice isolate

14‧‧‧Outer cover

14a‧‧‧Outreach

15‧‧‧ Foreign Body Receiving Department

71‧‧‧ receiving plate perforated plate

72‧‧‧ Foreign matter discharge

73‧‧‧Sorting multi-well plate

Claims (4)

A rice shelling and sorting machine, the rice shelling and sorting machine is provided with a rice shelling device (2) and a multi-layered swing sorting plate (11), and the rice shelling device (2) is used for rice paddy The shelling treatment, the above-mentioned multi-layered swing sorting plate (11) is used for sorting the mixed rice of rice and brown rice which has been subjected to rice shelling treatment by the rice shelling device (2), and the above-mentioned rice shelling and sorting The machine is characterized in that the rice husking and sorting machine is provided with a mixed rice flow lower plate (12a) for supplying mixed rice to the swing sorting plate (11) of each layer, and a receiving portion porous plate (71) for mixing rice. Leaking, and transferring a long strip of foreign matter; and a sorting section perforated plate (73) that allows the mixed rice which is discharged in the long foreign body to be leaked without being leaked in the receiving portion perforated plate (71), and The long foreign matter is transferred, the receiving portion perforated plate (71) is disposed at a position opposed to the mixed rice flow lower plate (12a), and the sorting portion porous plate (73) is disposed at the uppermost swinging sorting plate (11) In the opposing position, a foreign matter discharge port for discharging the long foreign matter is provided on the transfer end side of the sorting section perforated plate (73) (7) 2) A receiving plate (81) for receiving foreign matter discharged from the foreign matter discharge port (72) and a mixed rice flow lower plate (12a) and a receiving portion porous plate (71) are provided below the foreign matter discharge port (72). Swinging and sorting The plates (11) are swung together. The rice husk sorting machine according to the first aspect of the invention, wherein the sorting section perforated plate (73) is formed to rise obliquely toward the foreign matter discharge port (72). The rice husking and sorting machine according to claim 1 or 2, wherein the receiving plate (81) constitutes a part of the exterior cover (14) and is configured to be openable and closable, and the outer cover (14) covers the swinging portion. The rear of the palette (11). The rice husking and sorting machine according to claim 3, wherein the rice husking and sorting machine has a wall body (14b) surrounding an outer circumference of the receiving plate (81).