JPS60834A - 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 a rice hulling device.

The purpose of the present invention is to: When the hulled material that has been hulled in the hulling section is sorted by a multi-stage grain sorting device, just before the end of hulling,
The amount of rice husks is drastically reduced, so this was designed to cope with this.

Another object of the present invention is to improve the wind selection effect of the hulled rice grains, reduce the height when stacked, and furthermore, to simplify the structure and make it easy and inexpensive to manufacture. This is what I did.

In the present invention, a wind selection section is connected to a hulling section, and a multi-stage sorting board is connected to the wind selection section via a distribution device, in which a wind selection section is connected to a wind selection section and a multi-stage sorting board. A passage is provided from the filter section to the multi-stage sorting plate via the distribution device, and a passage from the wind sorting section to the top-stage sorting plate without passing through the distribution device, and a switching valve is provided at the entrance of both passages. The gist of this paper is the structure of the rice hulling device.

Since the structure of each other part of the present invention has been devised, the entire hulling device will be explained as follows.

Fig. 1 is a known side view, where A is a supply hopper into which grain bags are lifted and the raw material, unhulled rice a, is put in; B is a hulling section provided at the bottom of the supply hopper A; A pair of rubber rolls C1C are pivoted. A wind sorting section is provided at the bottom of the hulling section B, and the lightweight rice husks C are wind sorted in the wind sorting section, and the hulled brown rice and the unhusked rice A remaining after the hulling are mixed and placed on the side. It flows into the lower part of the elevator E for mixed rice and fried grains on the side. At the upper end of the elevator E, a tank F, commonly called an adjustment tank, is suspended by a spring, and the tank F moves downwards due to its weight when a large amount of mixed rice accumulates, and moves upwards when it becomes low, depending on the amount of stored rice. It moves up and down accordingly. This vertical movement causes the valve at the outlet of the supply hopper A to open and close in conjunction with the wire supplied to the tank F. The mixed rice in the adjustment tank F is moved to the swing type sorting device G, where it is separated, and the unhulled rice a is returned to the supply hopper A by the thrower H, and the brown rice is flowed into the elevator ■ as finished rice. taken out. A part of the mixed rice that cannot be separated flows into the lower end of the A-downloader E again and is recirculated.

The deficiencies of the prior art are as follows: (a) Since the supply hopper A is located high, it is difficult to supply the unhulled rice a.

Since the adjustment tank F is required to be suspended by a spring, the structure becomes complicated and the height increases.

C. Thrower H for returning paddy and rice is required.

Second, the entire structure becomes larger.

E, since the oscillating sorting stirrup G has multiple sorting plates,
A dispensing device that reaches each sorting plate is required, but there is no adequate provision for when there is little left and dispensing is impossible just before the end of the work.

That is the point.

FIG. 2 is an overall schematic diagram of the newly developed invention, in which l is a feeding elevator for unhulled rice a, 2 is a hulling section, 3 is a wind sorting section, 4 is a swinging type sorting device, and 5 is a This is an elevator for taking out brown rice, and does not have a tank F suspended by a spring shown in Fig. 1 and a thrower H for returning.

Referring to FIG. 3 and subsequent figures, reference numeral 6 denotes an outer frame of the swing type sorting device 4, and the multi-stage swing type sorting device 4 is provided inside the outer frame 6. The outer frame 7 of the wind selection section 3 is placed on the upper part of the outer frame 6.

The outer frame 6 and the outer frame 7 have approximately the same size, are square frames, and are entirely assembled from angle steel.

A rice hulling part 2 is placed on the upper part of one side of the outer frame 7.

A supply tank 8 is attached to the upper part of the rice hulling section 2.

A valve 10 is attached to a connecting tube 9 at the bottom of the supply tank 8. A regulating plate 11 is attached to the lower part of the regulating valve 10 with a shaft 12 . 13 is an adjustment screw, and when the adjustment screw 13 is rotated, the lower end of the adjustment plate 11 swings about the shaft 12. Reference numeral 14 denotes a feed roll, which is rotated by a motor and transfers the supplied unhulled rice a to the inclined plate 1 at its lower part.
Move it out so that it collides with 5. The tip of the inclined plate 15 faces the middle of the rubber rolls 16 and 17.

One rubber roll 16 is provided diagonally upward, and the other rubber roll 17 is provided diagonally downward. A diffuser 19 is provided on the discharge side 18 of the rubber rolls 16,17. The diffuser 19 is shaped like a rectangular gutter and is installed for the purpose of violently hitting the hulled rice by the rubber rolls 16 and 17 and spreading it in the axial direction of the rubber rolls. The hulling section 2 is formed to have a width 2o that accommodates the rubber rolls 16 and 17, and the width 20 is small as is known, and is much smaller than the width 21 of the wind selection section 111 of the wind selection section 3, which will be described later. Since the width is small, a diffuser 19 is used to evenly spread the hulled rice in the hulling section 2 to the width 21 of the outer frame 7.
are provided, and the left and right walls 22, 23 of the rice hulling section 2 are cut out, respectively, and the diffusion cylinders 24, 25 are connected to each other. Diffuser 19
Since the object that collides with the diffuser 19 jumps forward over the front rising edge 26 of the diffuser 19, a reflecting plate 27 is provided on the front side of the diffuser 19 to reflect it back again. The object that collides with the diffuser 19 jumps over the front rising edge 26 and collides with the reflector 27, and when reflected to the rear side, the diffuser 24, 25
It spreads completely within.

The wind selection section 111 of the wind selection section 3 provided inside the outer frame 7 has an inclined guide plate 28.29 for receiving the grains reflected from the reflecting plate 27 and falls, and has an inclined guide plate 28.29 below the inclined guide plate 28.29. A cross-flow wind turbine 30 is mounted with a shaft 31. 32 is wind selection part 1
This is an inlet of a cross-flow wind turbine 30 formed in 11. The inclined guide plates 28 and 29 are both formed with a gentle slope,
Anything fed onto it will hardly flow as it is. The reason why the inclined guide plates 28 and 29 are made to have a gentle slope is to reduce the height and to spread the rice grains in the width direction. Inclined guide plate 28.
The grains of No. 29 soil flow due to the slight vibration of the wind selection section 111 and are supplied to the wind selection chamber 33 at the lower part.

A wind selection chamber 33 is formed in a wind selection casing of a wind selection section 3 in which the grains falling from the inclined guide plates 28 and 29 are subjected to air selection. A suction path 34 for rice husk C is formed in the upper part of the wind selection chamber 33, and the suction path 34 is connected to a blower 35. Therefore, the rice husk C is discharged outside the machine through the suction path 34 and the blower 35.

Examples of the wind selection room 33 include Figures 4A and 4B,
In the case of FIG. 4A, the lower part forms a hopper 36 that opens in the direction of the width 21 (see FIG. 1O, A), and one side of the hopper 36 has an on-off valve 38 whose upper end is pivoted with a shaft 37. do. The on-off valve 38 opens and closes around the shaft 37 to allow the grains to fall uniformly in the width direction. As shown in FIG. 5A or FIG. 5B, the arm 39 protrudes laterally from the shaft 37, and the arm 39
9 is connected to the lower end of the spring 40. 41 is an adjustment screw connected to the upper end of the spring 40, and 42 is an adjustment nut screwed onto the adjustment screw 41.

To explain the structure of FIG. 4B, the hopper 36 is divided into two parts, one being the hopper 36, which is a path leading to the distribution device 87, which will be described later, as in the case of FIG. 4A, and the other, which will be described later. A passage 114 leading to the uppermost sorting plate 70 among the sorting plates 70 is formed, and a switching valve 113 capable of switching between the honper 36 and the passage 114 is attached thereto.

There are two examples in which the wind selection section 111 is slightly vibrated.
is shown in FIG. 5A. That is, an eccentric cam 43 is attached to the shaft 31, and one end of a connecting rod 44 is fixed to the outer ring 112 of the eccentric cam 43, and the other end of the connecting rod 44 is fixed to the side wall of the wind selection section 111. The air selection unit 111 is a container that vibrates slightly, and the side rod 45
．． It is suspended from the outer frame 7 by 46. Therefore, when the shaft 31 rotates at high speed, the eccentric cam 43 and the outer ring 11
2. The wind selection section 111 of the wind selection section 3 vibrates violently in the direction of the arrow via the connecting rod 44.

Fig. 5B shows the outer ring 11 without using the connecting rod 44 and the side rod 46.
2 is directly fixed to the side wall of the wind selection section lll, which greatly simplifies the vibration mechanism.

To explain the swing type sorting device 4 provided in the outer frame 6, 47 is a lower machine frame, and a mounting base 48 is pivotally attached to the upper part of the machine frame 47 by a swing arm 49.50. There is. 51 is a drive shaft, an eccentric cam 52 is attached to the drive shaft 51, and a rod 53 of the eccentric cam 52 is attached to the swing arm 4.
It is pivoted near the upper end of 9.

At this time, as shown in FIG. 12, the angle θ between the swinging arm 49 and the rod 53 is smaller than a right angle. Therefore, when the eccentric cam 52 rotates, the mount 48 becomes a quick return. The ratio is preferably within the range of 1:1.01 to 1.2.

The lower end of the swinging arm 50 is pivoted to a vertically moving shaft 54 . Both ends of the vertical movement shaft 54 are fitted into vertical guide grooves 55 attached to the machine frame 47 so as to be vertically movable. A rotary shaft 56 is provided above and parallel to the vertically moving shaft 54 and is freely rotatable. Opposite screws 57.58 are carved on the left and right sides of the rotation shaft 56 from the center, and pieces 59.60 are screwed into the opposite screws 57.58, respectively.
Bosses 61 and 62 are attached to the outer periphery of the vertical movement shaft 54 at a position outside of 0, and a rod 63 is pivotally attached between the top 59 and the boss 61. A rod 64 is pivotally attached to.

65 is a handle for manually rotating the rotating shaft 56;
Further, 66 is a forward/reverse motor, 67 is a sprocket attached to the rotating shaft, 68 is a sprocket attached to the rotating shaft 56, and 69 is a chino, which automatically rotates the rotating shaft 56 by a sensor installed on the sorting plate. Sometimes it is rotated.

Therefore, when the rotating shaft 56 is rotated, the rod 63.6
4 gradually changes from the tilted state to the upright state, and therefore, the vertical movement shaft 54 is moved downward, and the mounting base 48 is moved as shown in FIG. Only the right end is moved down, and the opposite is true; the right end of the mounting base 48 is moved up.

Regarding the sorting plate 70 attached to the upper part of the mounting base 48, as shown in FIG. 14, a large number of protrusions are formed on the plate surface. The sorting plate 70 has a rectangular ridge shape and is provided with a left inclined protrusion 72 which is inclined towards one side 71 on the front two-thirds of the whole, and a left inclined projection 72 which is inclined towards the other side 73 on the rear one-third of the whole. A right-slanted protrusion 74 is formed. The rear side of the − side 71 is closed by a rising wall 75 . Reference numeral 76 denotes a brown rice outlet, and the degree of opening is adjusted by an adjustment plate 78 that moves back and forth by loosening a manual screw 77. The front side of the other side 73 is the standing wall 7
9 is closed, and a paddy outlet 80 is opened on the rear side of the other side 73. The degree of opening of the paddy outlet 80 is adjusted by loosening a screw 81 and an adjustment plate 82 that moves back and forth. 83 is a brown rice outflow gutter, and 84 is an unhulled rice outflow gutter. The sorting plate 70 has an embodiment in which the front plate 85 and the rear plate 86 are formed separately, and an embodiment in which they are not formed separately.The left inclined protrusion 72 and the right inclined protrusion 74 are formed on a single stainless steel plate. It may be formed in the same direction.

FIG. 13 shows a state in which a left inclined protrusion 72 and a right inclined protrusion 74 are simultaneously formed on one sorting plate 7o by press working.

In actual use, brown rice is much more common than unhulled rice, so the front plate 85 on which the left inclined protrusion 72 is formed is replaced with the right inclined protrusion 7.
The area is much larger than that of the rear plate 86 formed with 4.

As shown in FIG. 4, the sorting plates 70 are provided in multiple stages. Therefore, on the top of the sorting plate 70 there is a distribution device 87 that reaches each stage.
is provided.

One end 88 of the distribution device 87 is slightly higher than the other end 89. The width of one end 88 is formed to be approximately the same as the width of the wind selection section 3. The distribution device 87 has the same width from beginning to end from one end 88 to the other end 89, and a weir 90 is provided in the middle. At the other end 89, partition plates 91 equal in number to the number of sorting plates 70 are provided to form an outlet 92.

Thus, in the embodiment of FIG. 4B, the passage 11
The upper part of the receiving gutter 116 is opened at the lower part of the hopper 11 reaching the uppermost sorting plate 70.
Open at the top of 5. Therefore, when the switching valve 113 is switched to the position shown by the temporary line, the grain flows from the passage 114 through the receiving gutter l16 to the hopper 115, and the grain is supplied from the hopper 115 only to the uppermost sorting plate 7o. A finished rice inflow port 94 is formed at the lower end of the take-out elevator 5, and a discharge gutter 94 is formed at the upper end of the take-out elevator 5. A return gutter 96 and a take-out gutter 97 are formed via a switching valve 95. 98 is a storage tank, 99 is its lower opening, 100 is a guide pipe,
101 is an on-off valve, 102 is a control valve, and 103 is a control screw.

The lower end 104 of the guide pipe 10 is open at the top of the socket 105 that reaches the top of the sorting plate 7°. 106 is the return pipe formed at the bottom of the elevator 1, 107 is the discharge gutter that leads to the supply tank 8, and 108 is the Containing hopper, 109 is immature grain outlet,
110 is an adjustment plate.

Next, we will discuss the effect.

The switching valve 113 is in the position shown by the solid line in FIG. When you put unhulled rice a into stake hopper lO8, it will go up and down #! 1 and flows into the supply tank 8 from the discharge gutter 107. Therefore, when the control valve 10 attached to the connecting tube 9 at the lower end of the supply tank 8 is manually opened, the unhulled rice a is fed out little by little by the rotation of the feed roll 14 and collides with the inclined plate 15, which causes the inclination of the inclined plate 15. The rice is fed to the middle of rubber rolls 16 and 17, where it is hulled between the rubber rolls 16 and 17 and discharged to the discharge side 18.

This hulled material collides with the diffuser 19, jumps over the front rising edge 26 on the front side of the diffuser 19, hits the reflector plate 27, is reflected by the reflector plate 27, and flows to the inclined guide plate 28, 29, It passes between the inclined guide plates 28 and 29 and falls into the wind selection chamber 33.

At this time, the width 20 of the hulling part 2 is formed only by the width of the rubber roll 16.17, and is small, but especially when the grains are reflected on the reflection plate 27, they move in the axial direction of the rubber roll 16.17. It is diffused and flows into the diffusion chambers in the diffusion tubes 24 and 25 formed on the left and right sides of the hulling section 2, and after being diffused to the width 21 of the wind selection section 3, it is supplied to the wind selection section 3. , is supplied to the inclined guide plate 28,29. Both of these inclined guide plates 28 and 29 are installed at a gentle slope, and the grains supplied thereto do not flow down under their own weight, but the inclined guide plates 28 and 29 are installed within the wind-selected illumination, An eccentric cam 43 is attached to the shaft 31, and the other end of a connecting rod 44 whose one end is fixed to the eccentric cam 43 is fixed to the side wall of the wind selection section 3 at the wind speed value 111. In the embodiment B, since the outer ring 112 of the eccentric cam 43 is directly fixed to the wind speed value Ill, when the shaft 31 rotates at high speed, the wind speed value 111 of the wind selection unit 3 is fixed via the eccentric cam 43 and the connecting rod 44. vibrates violently in the direction of the arrow, and the inclined guide plates 28 and 29 not only flow the hulled material smoothly even on a gentle slope, but also diffuse the hulled material in the width direction and flow uniformly into the wind selection chamber 33. let The wind selection chamber 33 is equipped with a cross-flow windmill 3 that absorbs the wind from the intake port 32.
Since the air is blown at zero, the light rice husks C are blown up into the suction path 34, sucked into the blower 35, and discharged.

The mixture of unhulled rice a and brown rice that has fallen through the wind selection chamber 33 is stored in the hopper 36, but at this time, immature grains are sorted and taken out from the takeout port 109.

When the storage amount in the hopper 36 reaches a certain level, the arm 39 moves downward against the elasticity of the spring 40, and the on-off valve 38 opens around the shaft 37, distributing grains uniformly across the entire width. let it fall. The dropped mixed rice is supplied to the distribution device 87 side.

Since the distribution device 87 is violently vibrated in the front-rear direction via the rod 53 due to the rotation of the eccentric cam 52 of the drive shaft 51, the vibration is diffused to the full extent in the width direction of the distribution device 87.
When these flow from one end 88 toward the other end 89,
It jumps over the weir 9o and spreads evenly, and is partitioned by a partition plate 91 provided at the other end 89 to form each outlet 9.
2 and is supplied to each sorting plate 7o.

When the drive shaft 51 of the sorting plate 70 rotates, the eccentric cam 52 rotates, and the mounting base 48 is reciprocated in the horizontal direction as shown by the arrow in the ilZ diagram via the rod 53 attached to the eccentric cam 52. Swinging arm 49 supporting the mounting base 48
Since the angle θ formed by the rod 53 is smaller than a right angle, when the sorting plate 70 moves forward in a quick return, it moves at a slow speed, but when it moves backward, it moves quickly. Therefore, as the sorting plate 70 moves back and forth, the mixed rice of unhulled rice a and brown rice slough supplied to the sorting plate 70 from the outlet 92 is separated as shown in FIG. 15, and the separated brown rice slough is removed. Brown rice flows into the brown rice outflow gutter 83 from Roaro, flows into the inflow port 93 from the brown rice outflow gutter 83, and ascends the take-out elevator 5. Then, by switching the switching valve 95 to the temporary line position, the product can be taken out from the takeout gutter 97. On the other hand, the separated unhulled rice a is guided by the right inclined protrusion 74 and flows out from the unhulled rice outlet 80 into the unhulled rice outflow gutter 84, flows from the unhulled rice outflow gutter 84 into the return port 106 of the elevator l, and is combined with the supplied unhulled rice a. join together.

When the work is nearing the end, the amount of mixed rice stored in the hopper 36 decreases and cannot be fed to the multi-stage sorting plate 70. At that time, the switching valve 113 is set as shown in FIG. 4B.
Switching to the position of the temporary line, the liquid is supplied from the passage 114 through the receiving gutter 116 and the hopper ti5 to only the uppermost sorting plate 70 for sorting. Further, the amount of supply to each stage decreases near the end, and the separation effect of the sorting plate 70 is no longer effective.
Both unhulled rice a and brown rice Sumo flow out from the unhulled rice outlet 80 through the unhulled rice drain gutter 84.
Therefore, by switching the switching valve 95 to the position shown by the solid line in FIG. 10, it can be stored in the storage tank 98 via the return gutter 96. The stored mixed rice flows into the receiving port 105 by opening the on-off valve 101, and is supplied from the receiving port 105 to the uppermost sorting plate 70 to be sorted.

The present invention connects the wind sorting section 3 to the hulling section 2, and connects the wind sorting section 3 to multi-stage sorting plates 70, 70 via a distribution device 87, in which the wind sorting section 3 and the multi-stage sorting Between the plates 70 and 70, there is a passage from the wind sorting section 3 to the multi-stage sorting plate 70 via the distribution device 87, and a passage from the wind sorting section 3 to the uppermost sorting plate 70 without passing through the distribution device 87. A passageway is provided,
Since the rice hulling device is provided with a switching valve 113 at the entrance of both passages, even when the amount of hulled material decreases extremely near the end of hulling, it can be handled.

[Brief explanation of drawings]

Fig. 1 is a schematic diagram of the known side, Fig. 2 is a schematic diagram of the present invention, and Fig. 3 is a schematic diagram of the known side.
The figure is a side view of the whole, Figure 4A is a vertical side view of the whole of the first embodiment, Figure 4B is a vertical side view of the whole of the second embodiment, and Figure 5A is the hulling section and wind selection. Fig. 5B is a view of the second embodiment, Fig. 6 is a vertical sectional side view of Fig. 5A, Fig. 7 is a perspective view of the hulling part, and Fig. 8 is a side view of the section, supply tank, and connecting tube. 9 is a perspective view with the hulling rolls removed, FIG. 1A is a diagram of the mechanism for returning unsorted rice, FIG.
Figure 1 is a side view of the adjustment part of the sorting plate, Figure 12 is the left side view of Figure 11, Figure 13 is a perspective view of the sorting plate, Figure 14 is a plan view of the sorting plate, and Figure 15 is the sorting plate. Fig. 16 is a working state diagram of the dispensing device. Explanation of symbols Elevator 1, rice hulling section 2. Wind sorting section 3, swing type sorting device 4, take-out A unloader 5, outer frame 6, outer frame 7, supply tank 8, connection tube 9, control valve 10, control plate 11, shaft 12, control screw 1
3, feeding roll 14, (114 plate 15, rubber roll 16
, rubber roll 17, discharge side 18, diffuser 19. width 20,
Width 21, wall 22, wall 23, diffusion tube 24, diffusion tube 25, front rising edge 26, reflection plate 27, inclined guide plate 28, inclined guide plate 29, cross-flow windmill 30, shaft 31, suction port 32, Wind selection chamber 33, suction path 34, blower 35, hopper 36, shaft 3
7, on-off valve 38, arm 39, spring 40, adjustment screw 41
, adjustment nut 42, eccentric cam 43, connecting rod 44, side rod 45
, side rod 46, machine frame 47, mounting base 48, swinging arm 49, swinging arm 50, drive shaft 51, eccentric cam 52, rod 53, vertical movement shaft 54, vertical guide groove 55, rotation shaft 56, screw 57 , screw 58, piece 59, piece 60, boss 61, boss 62, rod 63, rod 64, handle 65, forward/reverse motor 66, rotating shaft 67, sprocket 68, chain 69,
Sorting plate 70, - side 71, left inclined protrusion 72, other side 73, right inclined protrusion 74, rising wall 75, lower brown rice removal, manual screw 77, adjustment plate 78, rising wall 79, paddy removal port 80, screw 8
1. Adjustment plate 82, brown rice outflow gutter 83, unhulled rice outflow gutter 84, front plate 85, rear plate 86, distribution device 87, one end 88, other end 89
, weir 90, partition plate 91, outlet 92, inlet 93. Discharge gutter 94, switching valve 95, return gutter 96, extraction gutter 97, storage tank 98, drop port 99, guide pipe 1OO1 opening/closing valve 101, regulating valve 102, regulating screw 103, lower end 104,
Socket 105, discharge gutter 107, loading hopper 108, immature grain outlet 109, adjustment plate 110, wind selection case 111, outer ring 1
12, switching valve 113, passage 114, thread collar 1' l
5. 1 person outside the receiving gutter 116°

Claims (1)

[Claims] In a structure in which a wind sorting section is connected to the hulling section, and a multistage sorting board is connected to the wind selection section via a distribution device, there is a distribution device from the S sorting section between the wind selection section and the multistage sorting board. A hulling device is provided with a passage leading to the multi-stage sorting plate 1 through the screen, and a passage leading from the wind sorting section to the uppermost sorting plate without passing through the distribution device, and a switching valve is provided at the entrance of both passages. .