JPH0760197A - Dustproofing device for husking separator - Google Patents

Abstract

PURPOSE:To suck and remove the hull and dust in unpolished rice without excess and deficiency while saving driving power by regulating the air quantity of an unpolished rice sucking and dust removing machine to the air quantity corresponding to the amt. of the unpolished rice to be taken out. CONSTITUTION:This husking selector is provided with the unpolished rice sucking and dust removing machine 31 for sucking and removing the hull and dust from the unpolished rice taken out of an unpolished rice lifting machine 5 and a variable type motor 30 capable of adjusting the rotating speed to drive the unpolished rice sucking and dust removing machine 31. The suction air quantity of the unpolished rice sucking and dust removing machine 31 is relevantly adjusted by adjusting the rotating speed of this variable type motor 30 in association with the various values of the amt. of the unpolished rice taken out of the husking separator.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the use of rice husks when removing the unpolished rice sorted by a hulling and sorting machine from the unpolished grain grinder to the outside of the machine.
The present invention relates to a dust removing device of a hull sorting machine that removes dusts.

[0002]

2. Description of the Related Art Rice hulling section, declining rice wind sorting section, mixed rice sorting section,
In a hulling and sorting machine having a mixed rice fried machine, a brown rice fried machine, etc., a suction dust remover is arranged in the brown rice unloading section of the brown rice fried machine,
It is publicly known to remove rice husks and dusts with a suction dust remover from brown rice taken out of the machine.

[0003]

In such a conventional apparatus, since the motor for driving the suction dust remover rotates at a constant rotation speed, it can be used when the amount of extracted brown rice is large. Has a problem that rice husks / dust cannot be removed sufficiently due to insufficient air flow, and when the amount of unpolished brown rice is small, excess air is mixed with rice husks / dust to remove small rice. .

Therefore, the present invention adjusts the air volume of the suction dust remover to reduce the driving force of the suction dust remover while reducing the driving force of the suction dust remover in relation to the amount of brown rice taken out of the grain remover. It is intended to optimize the removal of the kind.

[0005]

The present invention has taken the following technical means in order to solve the problems of the prior art. That is, the present invention relates to a paddy hull portion 1, a slid-down rice wind sorting portion 2, a mixed rice sorting portion 3, a mixed rice lifting machine 4, and a brown rice lifting machine 5.
Rice hull sorting machine, brown rice withdrawal amount detecting means for detecting the amount of brown rice withdrawn from the hulled rice sorting machine, and brown rice suction dust remover for removing rice husks and dust from brown rice withdrawn by the brown rice lifting machine 5 Three
1, a variable type motor 30 capable of adjusting the number of rotations for driving the brown rice suction dust remover 31, and a rotation number control command signal related to the amount of brown rice detected by the brown rice extraction amount detecting means, to the variable type motor. This is a dust removing device for a hulling and sorting machine, which is provided with a rotation speed command signal output means for outputting to 30.

[0006]

[Function] The paddy is hulled by the hulling section 1, the slid rice is then wind-selected by the sludge-rice wind selecting section 2, and the mixed rice after the wind selection is supplied to the mixed-rice selecting section 3. The brown rice that has been separated and sorted into brown rice and sorted by the mixed rice sorting unit 3 is fried by the brown rice fried machine 5 and taken out of the machine. In the process of hulling and sorting like this,
The amount of brown rice taken out of the hulling and sorting machine is detected by the brown rice extraction amount detecting means and is input to the arithmetic control unit 37. The arithmetic control unit 37 outputs a variable speed control command signal related to the detected amount of brown rice. -The speed of rotation of the brown rice suction dust remover 31 is adjusted so that the speed of rotation of the brown rice suction dust remover 31 is adjusted to the air volume related to the amount of brown rice taken out from the brown rice fried machine 5, and the rice husks and dust in the brown rice are properly adjusted. Removed by suction.

[0007]

Embodiments of the present invention shown in FIGS. 1 to 4 will be described below. First, based on FIG. 1, an overall configuration of a hulling / sorting machine will be described. The hulling / sorting machine is a hulling part 1 for hulling, a downland rice wind selection part 2 for wind-selecting the downland rice from the hulling part 1, and mixing after wind selection in the downland rice wind selection part 2. It is composed of a mixed rice sorting unit 3 for separating and sorting rice into paddy / brown rice, a mixed rice lifting machine 4, a brown rice lifting machine 5, and the like.

The hulling section 1 includes a hull hopper 6, a hulling roll 7,
It is composed of a hulling chamber 8 and the like in which 7 is installed. The slide-down rice wind selection section 2 includes a slide-down rice wind selection box 9, a slide-down rice wind selection path 10, which is obliquely installed in the slide-down rice wind selection box 9 from a rear lower portion to a front upper portion, It is composed of a gutter 11, a scraped rice receiving gutter 12, a suction fan 13, a dust collecting tube 14, and the like. Next, the rocking / sorting device type mixed rice sorting unit 3 will be described. .. are formed on the plate surfaces of the rocking sorting plates 15, 15, ..., In such a manner that one side in the vertical direction (the front-back direction orthogonal to the plane of the drawing) is a high supply side and the other side is a low discharge. One side of the horizontal direction (the right-left direction orthogonal to the plane of the drawing) perpendicular to the vertical direction is the upper swinging side, and the opposite side is the lower swinging side. Both the vertical direction and the horizontal direction are inclined, and the swing selection plates 15, 1 are arranged.
5, rocking arms and rocking devices (not shown) reciprocally rock vertically in the horizontal direction.

A supply port (not shown) is formed at a position on the vertical supply side of the swing selection plates 15, 15, ... 16, the mixed rice is supplied through the distribution case 17. The mixed rice fed to the rocking sorting plates 15, 15, ... is swayed in the horizontal direction, which is the sorting direction, for the small brown rice with a large specific gravity due to the relations of grain size, specific gravity, friction coefficient, etc. Uneven rice is unevenly distributed on the upper side, and rice with larger and lighter specific gravity than brown rice is unevenly distributed on the swaying side in the lateral direction, and mixed rice of unseparated rice and brown rice is unevenly distributed in the middle part. . Then, the grains having such a nonuniform flow distribution are partitioned and taken out by the brown rice partition plate 18 and the paddy partition plate 19 which are provided so as to face the discharge side of the rocking sorting plate 15. The brown rice thus taken out is taken out of the machine through the brown rice take-out gutter 20, the brown rice flow path 21, and the brown rice fried machine 5, and the mixed rice is the mixed rice take-out gutter 22, the mixed rice flow path 23, After passing through the mixed rice lifting machine 4, the mixed rice hopper 24, the distribution gutter 16 and the distribution case 17, the rocking sorting device of the mixed rice sorting unit 3 is supplied again for re-sorting, and the paddy is a paddy gutter 25, It is configured such that the grain is fried and reduced to the grain hull portion 1 via the paddy channel 26 and the grain fried grain machine 27 (which are provided in parallel with the mixed rice grain fried machine 4), and then grained again.

As shown in FIG. 2, a brown rice suction dust remover 31 driven by a variable type motor 30 is provided at the take-out port portion 5a of the brown rice frying machine 5 and flows down through the take-out port portion 5a. Rice husks and dust are removed from the brown rice inside. A brown rice sensor 3 capable of detecting the amount of brown rice taken out is provided in the flow path of the take-out portion 5a.
Two are provided. A well-known vertical grain shape sorter 33 is arranged behind the hulling sorter, and the brown rice fried by the brown rice grain mill 5 is supplied to the brown rice hopper 34 of the grain shape sorter 33. It The brown rice supplied to the grain shape sorter 33 is discharged and removed from the sorting net cylinder while the grain is fried in the sorting net cylinder (not shown) from the lower part to the upper part by the fried helix (not shown). Grain shape is sorted and the sized brown rice is fried upward with a fried helix, and a scale 36 is put from the brown rice tank 35 at the top.
It is configured to be taken out of the machine while being weighed in.

Next, FIG. 3 will be described. The detection information of the brown rice sensor 32 is passed through the input interface,
The configuration is such that the CPU is composed of a control unit, an arithmetic unit and a register unit, and the arithmetic control unit 37 is composed of a program memory and a memory unit of an arithmetic memory, and an output interface from the arithmetic control unit 37. A control command signal is output to the variable type motor 30 via the above.

Next, the control contents of the arithmetic control unit 37 will be described. When the amount of brown rice detected by the brown rice sensor 32 is input to the arithmetic control unit 37, the amount of brown rice detected is based on the control reference line shown in the graph of FIG. A corresponding rotation speed command signal is selected and output from the arithmetic control unit 37 to the variable type motor 30,
The number of rotations of the brown rice suction dust remover 31 is adjusted to the number of rotations corresponding to the amount of extracted brown rice, and the rice husks and dust in the brown rice are suctioned and removed without excess or deficiency.

A modified example will be described. A main motor (not shown) for driving a hulling / sorting machine or the hulling section 1 is described.
A detected load current value of a load current sensor (not shown) that detects a load current value of a driving hulling motor (not shown) and a paddy supply control valve (not shown) that adjusts the paddy supply amount of the paddy section 1. ) Related to the detection opening of the paddy supply control valve opening sensor (not shown) that detects the opening, and the set amount of the paddy efficiency setting switch (not shown) that sets the work efficiency of the paddy sorting machine. The rotational speed of the variable type motor 30 may be adjusted in a related manner. Further, a brown rice partition plate sensor (not shown) for detecting the moving position of the brown rice partition plate 18 facing the rocking sorting plates 15, 15, ... When the brown rice partitioning efficiency is low on the swaying side, the number of rotations of the variable type motor 30 is adjusted in relation to the low rotation speed, and the brown rice partition plate sensor is on the swaying side and the brown rice partitioning is performed. When the efficiency is high, the rotation speed of the variable type motor 30 is adjusted in relation to the high rotation, and the dust removal force of the brown rice suction dust remover 31 is adjusted to correspond to the amount of extracted brown rice. It may be configured.

Next, FIG. 5 will be described. Reference numeral 38 is a control box of a hulling / sorting machine, in which a control command signal is output to the variable type motor 30 from an arithmetic control unit (not shown) provided in the control box 38. Further, the grain-shaped control box 39 of the vertical grain-shaped sorting machine 33 and the control box 38 of the hulled-grain sorting machine are connected via a communication line 40.
Next, the contents of control will be described. In the grain control box 39, the weighing efficiency of the grain shaper 33 is detected by the weighing machine 36 from the increased amount of brown rice per unit time. After that, the control on the side of the hulling and sorting machine
To the variable type motor 30. The rotation speed control command signal corresponding to the amount of brown rice detected is sent from the control box 38 to the variable type motor 30 to suck and remove brown rice so as to correspond to the amount of brown rice taken out by the grain shape selector 33. The dust removal capability of the machine 31 is adjusted in relation. In addition, from the grain-shaped control box 39 on the grain-shaped sorting machine 33 side, the variable type motor 3 of the brown rice suction dust remover 31 is used.
A rotational speed control command signal to 0 may be directly output to control the rotational speed of the variable motor 30.

Next, the operation of the embodiment shown in FIG. 1 will be described. When performing the hulling work, the raw hull is placed in the hull hopper 6 of the hulling unit 1, a power switch (not shown) and an operation switch (not shown) are turned on, and each rotating unit of the hull sorting machine is driven. . Then, from the paddy hopper 6 to the paddy roll 7,
The paddy supplied to No. 7 is hulled, and the sliding down rice wind selection path 10 below
The light rice husk is discharged to the outside of the machine through the suction dust collector 13 and the dust collector 14, and the relatively light second grain is dropped and sorted into the rice gruel 11 and the heavy brown rice and The mixed rice of paddy is dropped and sorted by the scraped rice receiving gutter 12. Dropped rice gutter 1
The mixed rice dropped and sorted into 2 is fried by the mixed rice lifting machine 4, and is fed to the rocking sorting plates 15, 15, ... After passing through the mixed rice hopper 24, the distribution gutter 16 and the distribution case 17.

When the oscillating sorting plates 15, 15, ... Reciprocally oscillate vertically in the horizontal direction, the mixed rice has large and small grain shapes, large and small specific gravity,
Due to the size of the friction coefficient, brown rice with a small and heavy specific gravity is unevenly distributed in the lateral swaying side, and rice with a large and lighter specific gravity than the rice is unevenly distributed in the lateral swaying side. The mixed rice of unseparated paddy and brown rice is distributed unevenly in the middle portion, and is separated by the brown rice partition plate 18 and the paddy partition plate 19 and taken out respectively. The brown rice thus taken out is taken out of the machine through the brown rice take-out trough 20, the brown rice flow passage 21 and the brown rice lifting machine 5, and the mixed rice is mixed rice take-out trough 22 and the mixed rice flow passage 23. , Mixed rice fried machine 4, mixed rice hopper 24, distribution gutter 16 and distribution case 17, and again supplied to the rocking sorting plates 15, 15 ,.
The paddy is passed through the paddy take-out gutter 25, the paddy flow path 26, and the paddy grain elevator 27, and then returned to the paddy hull 1 again to be padded.

When the amount of unpolished rice detected by the unpolished rice sensor 32 is input to the arithmetic control unit 37 during the hulling selection, the detected unpolished rice amount is corresponded based on the control reference line shown in the graph of FIG. The rotation speed to be set is determined, and the rotation speed control command signal is output from the arithmetic control unit 37 to the variable type motor 30.
The number of rotations of the brown rice suction dust remover 31 is adjusted to the number of rotations corresponding to the amount of extracted brown rice, and the rice husks and dust in the brown rice are suctioned and removed without excess or deficiency.

[0018]

As described above, according to the present invention, the number of rotations of the variable type motor 30 of the brown rice suction dust remover 31 is related to the amount of brown rice taken out from the machine during the hull selection as described above. Adjusted,
The amount of suction air of the brown rice suction dust remover 31 corresponds to the amount of extracted brown rice, and the rice husks and dust in the brown rice are sucked and removed without excess or deficiency while saving power.

[Brief description of drawings]

[Figure 1] Whole cut side view

FIG. 2 is a cutaway side view of a main part.

FIG. 3 is a block diagram.

FIG. 4 is a graph showing control reference values.

[Figure 5] Side view

[Explanation of symbols]

 1 Rice hulling part 2 Sliding rice wind sorting part 3 Mixed rice sorting part 4 Mixed rice lifting machine 5 Brown rice lifting machine 6 Paddy hopper 7 Paddy roll 8 Paddying room 9 Paddy rice style selection box 10 Paddy rice wind Selection route 11 Rice bran trough 12 Sliding rice trough trough 13 Suction dust collector 14 Dust collector 15 Swing sorting plate 16 Distribution gutter 17 Distribution case 18 Brown rice partition plate 19 Paddy partition plate 20 Brown rice extraction trough 21 Brown rice flow channel 22 Mixed Rice extraction gutter 23 Mixed rice flow path 24 Mixed rice hopper 25 Paddy extraction gutter 26 Paddy flow path 27 Paddy grain grinder 30 Variable type motor 31 Brown rice suction dust remover 32 Brown rice sensor 33 Grain sorter 34 Brown rice hopper 35 Brown rice tank 36 Measuring instrument 37 Computational control unit 38 Control box 39 Granule control box 40 Communication line

Claims (1)

[Claims] Claims: 1. A hulled rice sorting machine having a hulled rice portion 1, a falling rice wind sorting portion 2, a mixed rice sorting portion 3, a mixed rice lifting machine 4 and a brown rice lifting machine 5, and brown rice of the hulling sorting machine. Brown rice extraction amount detecting means for detecting the out-of-machine extraction amount, brown rice suction dust remover 31 for sucking and removing rice husks and dusts from the extracted brown rice of brown rice lifting machine 5, and the rotational speed for driving brown rice suction dust remover 31 Adjustable motor 30 and rotation speed command signal output means for outputting a rotation speed control command signal related to the amount of brown rice detected by the brown rice extraction amount detecting means to the variable motor 30. Dust removal device for paddy hull sorting machine.