JP2009095694A - Rice hulling/sorting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rice hulling/sorting apparatus attaining a cost reduction and enhancing workability by attaining cleaning surroundings of the apparatus using a dust-collection machine for attaining its attachment/detachment on an apparatus body utilizing a suction fun built-in in the apparatus. <P>SOLUTION: The rice hulling/sorting apparatus is provided with an air-selection part 12 for air-selecting a husked grain by the suction fan 13, and the suction fan 13 is used as a drive source of the dust-collection machine 31 for dust-collecting the surroundings of the machine body. Further, a suction port 34 is provided on a side wall of the machine body at an upper part of the suction fan 13, and the dust-collection machine 31 is connected to a suction port 34. An adjustment valve 38 for performing adjustment of air force of the air-selection part 12 and provided on a secondary air taking-in port 30 is turned and the secondary air taking-in port 30 and an air passage terminal end side of the air-selection part 12 is closed to drive the dust-collection machine 31. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a rice hull sorting apparatus including a wind sorting unit that winds deflated grains with a suction fan, and more specifically, the suction fan is used as a drive source of a dust collector for collecting dust around the fuselage. About that.

  In the conventional rice hull sorting apparatus, the grains supplied from the rice hull hopper are de-pulverized by the hulling roll of the rice hull portion, for example, mixed rice such as rice hulls, rice hulls, brown rice containing rice bran, etc. Then, in the air selection section, the air flow of the suction fan provided in the front part of the apparatus is selected according to the difference in the weight of each of the processed products, and the lightest rice husk is sucked to pass through the rice husk discharge cylinder. There is something to be discharged outside. (For example, Patent Document 1)

Japanese Patent Application No. 2006-24721

However, in such a conventional rice hull sorting apparatus, in order to improve the work environment by improving the environment around the apparatus, the dust around the apparatus is improved. When cleaning dust or dust, a dust collector was used to collect dust separately.If this power source is not near the device, a separate power source or extension cord can be used. In addition to using a far-off power source, a separate vacuum cleaner must be prepared for cleaning the surroundings of the device, resulting in poor workability and increased costs due to the use of unnecessary equipment. there were.
Accordingly, an object of the present invention is to use a suction fan built in the apparatus, and to use a dust collector that can be attached to and detached from the apparatus main body, to enable cleaning around the apparatus, and to reduce the cost and improve workability. To provide an apparatus.

  For this reason, the invention according to claim 1 is a pallet sorting apparatus including a wind sorting unit that winds the deflated grains using a suction fan, and the suction fan is a dust collector for collecting dust around the body. It is used for a drive source.

  The invention described in claim 2 is characterized in that a suction port is provided on the side wall of the upper body of the suction fan, and a dust collector is connected to the suction port.

  According to a third aspect of the present invention, the control valve provided at the secondary air intake for adjusting the wind power of the wind selection unit is rotated, and the wind of the secondary air intake and the wind selection unit is rotated. The end of the road is closed and the dust collector is driven.

  According to the first aspect of the present invention, in the rice hull sorting apparatus including a wind selection unit that winds the deflated grains with a suction fan, the suction fan is used as a drive source for the dust collector for collecting dust around the body. Therefore, when collecting dust around the device, it is not necessary to provide a separate drive source for driving the dust collector or extend from a distant drive source, and it is easy to collect dust using the suction fan provided in the device. can do. Therefore, it is possible to provide a hulling sorting apparatus that can reduce costs and improve workability.

  According to the second aspect of the present invention, since the suction port is provided on the side wall of the upper body of the suction fan and the dust collector is connected to the suction port, the connection port provided in the vicinity of the suction fan built in the apparatus is provided. By connecting the hose of the dust collector, the surroundings of the device can be easily collected and cleaned using a suction fan provided in the device. Therefore, it is possible to provide a hulling sorting apparatus that can reduce costs and improve workability.

  According to the third aspect of the present invention, the control valve provided at the secondary air intake for performing wind power adjustment of the wind selection section is rotated, and the secondary air intake and the wind path of the wind selection section are rotated. Since the dust collector is driven by closing the end side, adjust the air suction amount from the wind-selection side, strengthen the suction force of the dust collector by the suction fan, and clean the dust around the device efficiently Can do. Therefore, it is possible to provide a hulling sorting apparatus that can reduce costs and improve workability.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is a right side view of a hull sorting apparatus as an example of the present invention, FIG. 2 is a plan view of the hull sorting apparatus, FIG. 3 is a rear view of the hull sorting apparatus, and FIG. It is a side surface schematic diagram.

  As shown in FIGS. 1 to 3, the rice hull sorting apparatus 1 of this example has a rice hopper 2 at the center of the upper part of the machine body, and a mixed rice cerealing machine 3 and a mixed rice tank on the rear side view of the rice hopper 2. 4 is continuously provided. Further, at the front end of the machine body, a rice husk discharge cylinder 5 and a brown rice cerealing machine 6 are provided at the rear end of the machine body, and a finished rice outlet 9 is provided at the upper rear end of the brown rice cerealing machine 6. In addition, a soot reduction device 7 and a soot reduction slot 16 are connected to the lower part of the machine body.

  And as shown in FIG. 4, the lower side of the hulling part 11 which has the hulling roll 11c which consists of the main axis | shaft 11a and the subshaft 11b is hulled with the hulling roll 11c, and the obtained rice bran, brown rice, etc. A wind selection unit 12 having a wind selection path 12a through which the mixed rice (mixed grain) passes is disposed. Below the hulling roll 11c, in front of the end portion of the wind selection path 12a (the left end in a side view) are a suction fan 13 that acts on the mixed rice and a rear part (next to the right in a side view) of the suction fan 13. In the lower part of the hull roll 11c, the hull discharge hull 14 from which the hull containing the small rice in the mixed rice (intermediate grain) falls from the wind selection path 12a, and further, the rear portion of the hull discharge hull 14 is in the mixed rice The rice bran and brown rice (sorted grain) 15 are mixed in a row.

  The unillustrated spiral conveyance terminal side for conveying rice bran and brown rice that has fallen to the mixed rice receiver 15 is erected on the rear side of the side view machine body, and communicates with the mixed rice cerealing machine 3 having a plurality of buckets 3a. The mashing terminal side of the mixed rice cerealing machine 3 communicates with the mixed rice tank 4.

  Further, below the mixed rice tank 4, there is an equalizing trough 17 that conveys the mixed rice, and below this equalizing trough 17, a swing sorting unit 18 is provided. The swing sorting unit 18 has a distribution case 18a composed of a plurality of flow paths on the conveying end side of the balancer 17, a side of the distribution case 18a, and a swing sorting plate 18b composed of multiple stages. It is composed of a rice bran partition plate 18c, a brown rice partition plate 18d, and the like respectively disposed at the front and center of the sorting plate 18b.

  Below the swing sorting unit 18, a rice straw channel 19, a mixed rice channel 20, and a brown rice channel 21 are disposed in order from the front of the sorting unit 18. Then, the return rod inlet portion 16a at the end of the dredging channel 19 communicates with the dredge reduction slot 16 shown in FIG. 1 provided in front of the side view via the return rod outlet portion 16b. The upper part communicates with the hulling part 11. Further, a switching valve 22 is provided between the mixed rice flow path 20 and the brown rice flow path 21 to switch between brown rice in-machine circulation and out-machine discharge. And the brown rice flow path 21 is connected to the lower part at the rear end of the machine body, and the brown rice cerealing machine 6 having a plurality of buckets 6a is erected.

  Reference numeral 23 denotes an operation panel for operating the hulling sorting apparatus 1 and includes a controller (not shown) that drives and controls each part of the apparatus.

  Here, when carrying out the hulling operation using the hulling sorter 1, the hull (raw material grain) is supplied to the hull hopper 2, each part of the machine body is driven by a switch (not shown) of the operation panel 23, and the hull hopper 2 After opening a shutter plate (not shown) at the bottom and the rice cake supplied to the rice hull roll 11c is hulled, the mixed rice that has fallen is wind-selected by the wind selection path 12a, and the lightest rice hull is the suction fan 13 And is discharged to the outside through the rice husk discharge cylinder 5.

  The relatively light soot (including small rice) wind-selected by the wind selection path 12 a is discharged from the soot outlet 14 and flows into the soot reducing device 7. The soot reducing device 7 has a sorting unit on the back surface of the soot reducing slot 16 along the wind selecting unit frame 8 having the wind selecting unit 12 on the back side from the soot outlet 14a communicated with the soot discharge rod 14 in the wind selecting path 12a. 18 is inclined toward the return rod entrance 16a. Further, a drive motor 24 is provided at the lower end portion of the soot reducing device 7, and the spiral 7 a included in the barrel cylinder of the soot reducing device 7 by the drive motor 24 is formed between the soot outlet 14 a and the return soot inlet 16 a. Driven between. And the soot which flowed into the soot reduction apparatus 7 from the soot exit 14a returns by the spiral 7a, and is conveyed to the soot entrance part 16a. On the other hand, the mixed rice of the heavy brown rice and the rice cake that has damaged the huller falls to the receiver 15, cerealed by the mixed rice cerealing machine 3 and supplied to the mixed rice tank 4, and then the equalized rice cake 17 And supplied to the swing sorting plate 18b via the distribution case 18a.

  The mixed rice is swayed by the swing sorting plate 18b, so that the brown rice having a small and heavy specific gravity is on the sway side, the rice with a larger specific gravity than the brown rice is on the swaying side, and the rice and brown rice not separated into the middle part. And mixed rice are sorted with drift distribution.

  Grains such as brown rice sorted by the swing sorting plate 18b are partitioned by the cocoon partition plate 18c and the brown rice partition plate 18d and discharged from the swing sorting plate 18b. At this time, when the distribution distribution of the grains on the rocking sorting plate 18b is unstable, the switching valve 22 causes the mixed rice flow path 20 and the brown rice flow path 21 to communicate with each other so that the mixed rice and brown rice flows. Is allowed to flow again into the catcher 15, but when the distribution of grain drift on the rocking sorting plate 18b is stabilized, the mixed rice flow path 20 and the brown rice flow path 21 are blocked. Can be switched.

  As a result, the mixed rice falls into the mixed rice channel 20 and is conveyed again to the sorting unit 18 through the receiving tray 15, and the brown rice is taken out from the brown rice channel 21 through the brown rice cerealing machine 23. It is. Moreover, the return rice cake (returned grain) joins the rice cake that has been conveyed by the aforementioned rice cake conveying device 7 at the return rice cake inlet portion 16a that has flowed in from the rice cake channel 19, and these rice cake and rice cake are returned to the return rice cake outlet. The portion 16b is reduced to the hulling portion 11 through the hull reduction slot 16, and is hulled again.

  Next, a specific configuration of the dust collector which is a feature of the present invention will be described. FIG. 5 is a perspective view of the hull sorter equipped with a dust collector as seen from above, and FIG. 6 is a perspective view of the front portion of the hull sorter showing the suction port and the secondary air intake as seen from the left side. 7 is a schematic left side view of the vicinity of the suction port showing the control valve.

  As shown in FIG. 5, for example, a dust collector 31 made of a resin such as plastic is detachably connected to the outer side wall on the left side of the front portion of the hull sorting apparatus 1. . The dust collector 31 is composed of a suction head 32 and a hose 33 at the tip, and the rear end of the hose 33 is detachably connected to a suction port 34 provided on the outer wall of the apparatus.

  The suction head 32 may be detachably provided on the hose 33. In addition, the material of the dust collector 31 is not limited to the above, and the hose 33 is configured with a freely movably expandable / contractible bellows structure (not limited).

  Further, as shown in FIG. 6, the side plate 41 of the cover plate 40 that covers the suction fan 13 is provided near the upper side of the suction fan 13 and at the upper end of the side plate on the left side of the lower part of the hulling sorter 1. Is provided with a suction port 34 having a cylindrical shape that communicates with the inside of the apparatus via a holder 35. A shutter plate 36 for opening or closing the suction port 34 is provided in the holder 35 so as to be slidable up and down. The shape of the suction fan 13 is not limited to a cylindrical shape, and it is preferable to match the shape of the hose 33.

  The method of connecting and disconnecting the suction port 34 and the hose 33 is a well-known technique, and is not limited, and detailed description thereof is omitted. For example, the outer peripheral portion (inner peripheral portion) of the suction port 34 is omitted. The suction port 34 and the hose 33 can be attached and detached by fitting a spiral groove (not shown) provided in the inner peripheral portion (or the outer peripheral portion) of the hose 33 and a spiral groove (not shown) provided in the hose 33 base end portion. Or a plurality of projections (not shown) that enter and exit from the side surface of the suction port 34 by the action of an elastic body or the like depending on the presence or absence of pressing, and the side surface of the hose 33 at the same interval as the projections. The same number of notch portions (not shown) or a plurality of the protrusions on the side surface of the hose 33 and the same number and the same number of the notch portions on the side surface of the suction port 34 are provided, and the protrusion portions are provided in the notch portion. By multiplying And 引口 34, may be connected to a hose 33 removably.

  Next, as shown in FIG. 6, in the left-right direction of the rear end inclined portion 42 of the cover plate 40 in the vicinity of the suction port 34 and at the lower part of the hulling screen sorting apparatus 1, A secondary air intake 30 that is substantially equal in width and short in the front-rear direction is provided. In addition, a rotation shaft 37 is provided inside the secondary air intake 30 and above the side plate 41 of the cover plate 40, and at the end of the rotation shaft 37 on the side plate surface, for example, a rotating shaft 37 is provided. A control valve 38 such as a dynamic switch knob or dial is attached.

  An upper end portion of an adjustment blade 39 having a length substantially equal to the full width in the left-right direction of the secondary air intake 30 is attached to the rotation shaft 37. The adjustment blade 39 has an area where the upper portion 39 a covers the oblique portion 42 from the inside and can block the secondary air intake 30, and the lower portion 39 b is formed when the upper portion 39 a is separated from the secondary air intake 30. The air taken in from the secondary air intake 30 is bent from the middle part toward the front of the apparatus so as to be easily guided to the suction fan 13.

  Here, when cleaning the dust around the hull sorting apparatus 1, if the hull sorting apparatus 1 is stopped, it is driven, and if the hull sorting apparatus 1 is in operation, first, FIG. As shown in FIG. 6, the wind selection shutter 43 provided on the end side of the wind selection path 12 a of the wind selection section 12 is rotated by, for example, a knob 43 a to close the wind selection path 12 a and suck from the rear of the apparatus. The airflow sucked into the fan 13 is blocked.

  Next, the adjustment valve 38 is rotated to a predetermined position (for example, dust collection mode), and the adjustment blade 39 is rotated to the position c. Thereby, since the lower end part of the adjustment blade 39 is in contact with the member 44 on the wind selection path 12a, the air selection path communicating with the air flow sucked from the secondary air intake 30 to the suction fan 13 and the suction fan 13 is achieved. Block 12a completely. In the wind selection unit 12, when wind selection processing is performed with normal wind power, the control valve 38 is rotated to a predetermined position (for example, normal wind selection mode), and the secondary adjustment is performed at the upper portion 39 a of the normal adjustment blade 39. The air intake 30 is covered, and the airflow sucked from the secondary air intake 30 to the suction fan 13 is blocked. Further, when wind selection processing is performed with wind power weaker than usual depending on the amount of processing particles and the processing state, the adjustment valve 38 is rotated to a predetermined position (for example, weak wind selection mode), and the adjustment blade 39 is moved to the position b. In addition to the wind selection path 12a, the air in the wind selection path 12a is weakened by taking air from the secondary air intake 30 into the suction fan 13.

  The mode name and the mode number of the control valve 38 are not limited to the above, and can be set as appropriate.

  Normally, the dust collector 31 may remain connected to the suction port 34 via the hose 33. However, when the dust collector 31 is removed, the hose 33 is connected to the suction port 34 by the method described above, and the dust collector 31 is Mounted on the aircraft. Then, the shutter plate 36 in the holder 35 is slid to open the suction port 34, and dust and dust around the hulling sorter 1 are collected from the suction head 32 by the suction force of the suction fan 13. As a result, dust or the like sucked into the suction head 32 is discharged outside the machine through the hose 33 and the rice husk discharge cylinder 5. At this time, the suction head 32 may be removed and dust collected at the tip of the hose 33.

  1 to 6 show only the rice husk discharge cylinder 5 (up to the middle part of the rice husk discharge cylinder 5 in FIGS. 5 to 6), an extension cylinder (not shown) for discharging rice husk and dust is not shown in FIG. Separately connected to the tip, the rice husk and dust are discharged to a place where there is no worker far away from the operator of the device and the workers around the device, or stored in a storage bag (not shown) attached to the tip of the extension tube It is preferable to make it.

  The method for opening and closing the suction port 34 by sliding the shutter plate 36 is not particularly limited. For example, when the dust collector 31 is driven, it is extracted from the holder 35 to open the suction port 34 and the dust collector 31. In order to stop the operation, the suction port 34 is closed by being inserted into the holder 35, or the suction port 34 is opened and closed by being fixed by a stopper (not shown) after being slid to a fixed position in the holder 35. It may be.

  When the dust collector 31 is stopped, the shutter plate 36 is slid in the holder 35 to close the suction port 34, and the power of the hulling sorter 1 is turned off or the sorting operation is resumed. The control valve 38 is rotated in the opening / closing direction, and the wind selection path shutter 43 is further rotated to close the wind selection path 12a, and the secondary air intake 30 and the rear of the apparatus are routed through the wind selection path 12a. Each of the air is taken in toward the suction fan 13 and a sorting operation is performed.

  With the above configuration, when cleaning the dust around the device, there is no need to provide a separate drive source for driving the dust collector 31 or to extend from a distant drive source, and the suction fan 13 provided in the device is used. Can be easily collected and cleaned. Further, by adjusting the amount of air sucked from the wind selector 12 side, the suction force of the suction fan 13 by the dust collector 31 can be increased, and the surroundings of the apparatus can be efficiently collected and cleaned. Furthermore, since the dust collector 31 is detachably provided from the apparatus main body, the apparatus can be made compact by attaching the dust collector 31 to the apparatus main body when necessary.

  As described in detail above, the rice hull sorting apparatus 1 of this example includes the wind selection unit 12 that winds the deflated grains with the suction fan 13, and collects the suction fan 13 around the fuselage. It is used as a drive source for the dust collector 31. In addition, a suction port 34 is provided on the side wall of the upper body of the suction fan 13, and a dust collector 31 is connected to the suction port 34, and is provided in the secondary air intake 30 for adjusting the wind power of the wind selection unit 12. While rotating the control valve 38, the secondary air intake 30 and the wind path terminal side of the wind selector 12 are closed, and the dust collector 31 is driven.

It is a side view which shows an example of the hull sorting apparatus of this invention. It is a top view of a hulling sorter. It is a rear view of a hulling sorter. It is a side surface schematic diagram which shows the internal structure of a hulling sorting apparatus. It is the perspective view which looked at the hull sorter provided with a dust collector from the upper part. It is the perspective view which looked at the front part of the hulling sorter which showed the suction opening and the secondary air intake from the left-hand side direction. It is a left side schematic view near the suction port showing the control valve.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rice hull sorting apparatus 5 Rice husk discharge cylinder 12 Air selection part 13 Suction fan 30 Secondary air intake 31 Dust collector 32 Suction head 33 Hose 34 Suction port 35 Holder 36 Shutter plate 37 Rotating shaft 38 Control valve 39 Control blade 39a Upper part 39b Lower part 40 Cover plate 41 Side plate 42 Slanted part 43 Wind selection shutter 43a Knob a, b, c Position

Claims (3)

In the rice hull sorting device equipped with a wind selection unit that winds the deflated grains with a suction fan,
A hulling sorting apparatus, wherein the suction fan is used as a driving source of a dust collector for collecting dust around the body.   2. The hulling sorting apparatus according to claim 1, wherein a suction port is provided on a side wall of the upper body of the suction fan, and a dust collector is connected to the suction port.   Rotating a control valve provided at a secondary air intake for performing wind power adjustment of the wind selection unit, closing the secondary air intake and the wind selection path end side of the wind selection unit, The hull sorting apparatus according to claim 1, wherein the dust collector is driven.

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