JP2019042722A - Hulling sorter - Google Patents

Abstract

To provide a hulling sorter which can correspond to particularly a long-grain variety such as Indica rice and so on.SOLUTION: In a hulling sorter (1), a hulling part (1a) in which a rice hopper (2) and a hulling machine (7) are vertically located, a wind selection part (1b) which selects rices in a post-process of the hulling part (1a), and an oscillation selection part (1d) which selects brown rices in a post-process of the wind selection part (1b) are so configured as to be laterally long in this order. The hulling machine (7) is configured from a pair of left and right hulling rolls (7a, 7b), a right or left outer side hulling roll (7a) is lowered with respect to the other side hulling roll (7b), and a rice input line is so located as to be inclined inward in a machine body. This hulling sorter comprises a ramp (4) which so guides rices from the rice hopper (2) as to be along the rice input line, and thus, can be widely applied for rices from a short-grain variety to a long-grain variety including a long-grain variety such as Indica rice and so on by stabilization of a rice input attitude.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a hull sorting machine that performs a sorting process of hulls by a hulling machine using a pair of hulling rolls.

  The detaching apparatus of Patent Document 1 feeds the basket of the supply tank 7 with a feed roll, and supplies it to the rubber roll in an oblique posture through the supply basket 17 and the guide chute 18. By adjusting the inclination angle by aligning the guide chute with the position of the rubber roll, the hulling efficiency can be improved.

  Further, the undressing device of Patent Document 2 feeds the kite from the kite supply unit main body 21 with the lead roller 24 and supplies the kite to the rubber roll with the final falling plate 31. By adjusting the layer thickness of the soot with the layer thickness adjusting valve 32 that is movable with respect to the final falling plate 31, the hulling efficiency can be improved.

  On the other hand, the rice hull sorter disclosed in Patent Document 3 enables a wide range of applications mainly for hull sorting of japonica rice (short grain type) by adjusting the gap of the hulling roll 7.

JP 2001-347172 A JP 2008-1000017 A Japanese Patent Laid-Open No. 2006-7579

  The detaching apparatus of Patent Document 1 and Patent Document 2 is mainly used for indica rice (long grain type), and the rice hull sorter of Patent Document 3 is mainly used for japonica rice (short grain type).

  An object of the present invention is to provide a rice hull sorter that can cope with long grain types such as indica rice.

  According to the first aspect of the present invention, there is provided a hull portion (1a) in which a hull hopper (2) and a huller (7) are arranged up and down, and wind selection for selecting hulls in a subsequent process of the hull portion (1a). Part (1b) and a rocking sorting part (1d) that sorts brown rice in a subsequent process of the wind sorting part (1b), and the hulling part (1a) is arranged on the left and right sides of the machine body, The swing sorting part (1d) is arranged on the other side, the wind sorting part (1b) is placed between the hulling part (1a) and the swing sorting part (1d), and the hulling machine ( 7) is constituted by a pair of left and right hulling rolls (7a, 7b), and the hulling roll (7a) on the left and right outer sides is made lower than the hulling roll (7b) on the other side, so that the hull throwing line is inward of the body. And an inclined plate (4) for guiding the kite from the kite hopper (2) along the kite throwing line.

  The invention according to claim 2 is the invention according to claim 1, wherein the supply box body (4u) for accommodating the upper portion of the inclined plate (4), and the hulls for accommodating the hulling rolls (7a, 7b). Each of the roll box bodies (7u) is configured to be detachable.

  The invention according to claim 3 is the invention according to claim 2, wherein the inclined plate (4) is divided into an upper first inclined plate (4a) and a lower second inclined plate (4b). The plate (4a) is fixed in the inclined posture, and the second inclined plate (4b) is configured so that the inclined posture can be adjusted with the upper end portion as a fulcrum (4c), and the first inclined plate (4a) is supplied in a box shape. The second inclined plate (4b) and the hulling machine (7) are provided in a box-shaped hulling roll box (7u).

  According to the first aspect of the present invention, there is provided a hull portion (1a) in which a hull hopper (2) and a huller (7) are arranged up and down, and wind selection for selecting hulls in a subsequent process of the hull portion (1a). Part (1b) and a swing sorting part (1d) that sorts brown rice in a subsequent process of the wind selection part (1b), and the rice hull part (1a) is arranged on one side of the left and right sides, The swing selection unit (1d) is disposed in the wind screen, and the wind selection unit (1b) is disposed between the screen (1a) and the swing screening unit (1d), and the screen (7) Is composed of a pair of left and right hulling rolls (7a, 7b), and the hulling roll (7a) on the left and right outer sides is made lower than the hulling roll (7b) on the other side so that the hull entry line is inclined toward the inside of the machine body. By providing the inclined plate (4) that guides the straw from the straw hopper (2) along the straw throwing line, it is possible to provide a rice hull sorter that can be particularly adapted to Indica rice. .

  In addition to the effect of the invention according to claim 1, the invention according to claim 2 is easy to perform maintenance because the supply box body (4u) and the hulling roll box body (7u) are detachable. be able to.

  In addition to the effect of the invention according to claim 2, the invention according to claim 3 includes the first inclined plate (4u) and the first inclined plate (4u) by rational block assembly of the hulling roll box body (7u). 4a) and the second inclined plate (4b) can be linked.

Enlarged view of the internal structure of the hull portion when viewed from the front Enlarged view of the hopper Enlarged view of the adjustment mechanism of the second inclined plate Two-sided view of the take-up roll (a) and three-sided view of the second inclined plate (b) Operation panel sketch Front view of partially broken exterior of hulling sorter Internal configuration diagram of a hulling sorter

  The hull sorter 1 of the present invention has a front hull sorter 1a at the left end of the machine body having a horizontally long structure, as shown in FIG. It is comprised with the apparatus according to process of the part 1b, the rocking | swiveling selection part 1d of the right side, and the brown rice cerealing machine 1e of the right end part.

  The hulling portion 1a constitutes a hulling facility that performs hulling processing by adjusting the posture with the inclined plate 4 for the hull that has been thrown in and the hull that has been returned to the hulling side from the wind selector 1b. By constructing the rice hull sorter 1 by incorporating it, it is possible to suppress the cracking of the grains during the hulling of long grain types such as indica rice and to ensure hulling efficiency.

  Specifically, as shown in FIG. 1, an enlarged view of the internal structure in a front view, the hull portion 1 a includes a hull hopper 2 that accommodates the throwing hull, and a hull return chamber 3 that is adjacent to the outer side of the hull hopper 2. Provided, an inclined plate 4 for guiding the soot received from the soot hopper 2 and the soot reduction chamber 3, a scraping roll 5 for sending the soot facing the guide surface under the inclined plate 4, and a lower end of the inclined plate 4 A rice huller 7 using a pair of left and right rice hull rolls 7a and 7b that receive the rice cake, and a rice falling shelf 8 that sends the rice to the wind selection unit 1b are provided.

(籾 hopper)
The eaves hopper 2 includes an eaves inlet 2a opened up and an eaves outlet 2b opened down, and a receiving base 2c is provided facing the eaves outlet 2b. The cradle 2 c passes the bag received from the bag hopper 2 to the inclined plate 4.

(Sakai reduction room)
The straw reduction chamber 3 communicates with the cerealing machine 27 that returns the straw from the wind selection section 1b, opens the straw outlet 3a downward, and provides a receiving base 3b facing the straw exit 3a.

  As shown in FIG. 2, an enlarged view of the hopper 3b extends so as to be slidable in the direction of the cradle 2c of the hopper hopper 2 so as to release part of the reduced air from the cerealing machine 27. Configure.

  In addition, in order to discharge the soot floating from the inclined plate 4 by reducing air from the third exit, a flow path 13a connected to the fundow 13 is provided, or a guide (not shown) for guiding the soot out of the aircraft, A storage case (not shown) that communicates with the outside of the machine body is provided so that the bag can be accommodated.

  By removing the straw beforehand by the channel 13a and the like, it is possible to reduce the amount of the straw flowing into the swing sorting unit 1d in the subsequent process and improve the sorting performance, and the removed straw can be used as feed. Become.

  The upper part of the soot reduction chamber 3 is provided with a lid 3c that can be fully opened, and a maintenance plate can be secured by providing a guide plate on the lid 3c so that the reducing soot can easily flow.

(Inclined plate)
The inclined plate 4 is divided into an upper half portion and a lower half portion, the upper half portion is configured as a first inclined plate 4a at a predetermined inclination angle, and the lower half portion is defined as a second inclined plate 4b and the first inclined portion of the upper half portion. The lower end of the plate 4a is used as a fulcrum 4c, and the angle can be adjusted by the adjusting unit 4d.

(First inclined plate)
By providing a layer thickness valve 4v on the side of the first inclined plate 4a and being adjustable with an adjustment lever (not shown), it is possible to improve the detachability of long grain seeds and prevent broken rice.

(Second inclined plate)
The adjusting part 4d of the second inclined plate 4b is provided on the upper part of a roll cover 7c described later, and can be adjusted from the front side of the machine body without removing the roll cover 7c.

  As shown in FIG. 3, an enlarged view of the adjusting mechanism of the second inclined plate 4b is provided with a stay 4f through which the inclined plate and the pin 4e pass, and the stay 4f is formed as a long hole 4g. The plate 4h having the nut 4n is connected, the pin 4e is passed, the reversible motor 4k is installed on the side surface of the funnel base, the screw shaft 4m is attached, and the screw shaft 4m and the nut 4n are screwed together, so that the second Since the angle of the inclined plate 4b can be adjusted and controlled during the hulling operation, it is possible to improve the detachability of long-grained seeds and suppress broken rice in accordance with the variety, the size of the cocoon, and the required efficiency.

  Limit switches S1 and S2 that detect the minimum and maximum gaps between the second inclined plate 4b and the take-in roll 5 are attached to the second inclined plate 4b, and the gap can be adjusted within a range in which the pin 4e detects the limit. The long grain type is adjusted to a gap corresponding to two grains.

(Scratching roll)
As shown in FIG. 4, a two-sided view (a) of the scooping roll and a three-sided view (b) of the second inclined plate are chevron shapes in which the groove width w is about 3 mm in both the scooping roll 5 and the second inclined plate 4b. A groove is provided, and the scraping roll 5 has a diameter on the back side (gear case side) of about 6 mm smaller than the diameter D on the near side in order to cope with the reduced rice and the return grain of the second mouth concentrated on the back side.

  The take-up roll 5 is variable in rotational speed, and in the case of electric rotation, the rotational speed is configured to be variable by an inverter and controlled by a controller. In the case of belt transmission, the rotational speed is variable by a speed change pulley. Depending on the situation, the number of rotations of the picking roll 5 can be changed to adjust the efficiency required for the work. As a result, it is possible to improve the detachability of long-grained seeds and to suppress broken rice. Now it has a similar effect on the required efficiency.

  A program for the long grain type and the short grain type is incorporated into the controller with respect to the rotational speed of the picking roll 5, and is selected by the controller before the hulling, and is set at a higher speed than the short grain type in the case of the long grain type. Thus, by switching the rotation speed, it becomes possible to improve the detachability of long-grained seeds and to suppress broken rice, and have the same effect on the difference in varieties, the size of koji, and the required efficiency.

  Further, since the supply of rice cake can be stopped by controlling the start and stop of the picking roll 5, the operation of the remaining rice processing is stopped by operating only the swing sorting plate of the swing sorting unit 1 d in the subsequent process. Therefore, workability can be improved.

  The huller 7 arranges a pair of left and right peeling rubber rolls 7a and 7b with parallel axes whose distances can be adjusted, with the head tilted in accordance with the direction in which the hull flows.

(Box body)
The hulling machine 7, the second inclined plate 4b, and the feeding roll 5 are formed in a box shape as an integral hulling roll box body 7u, and a cover 7c that closes the front surface portion of the hulling roll box body 7u is removable. As a result, the maintenance around the hulling rolls 7a and 7b is facilitated.

  In addition, the first inclined plate 4a is configured as a supply box body 4u between the hulling roll box body 7u and the hull hopper 2, and the supply box body 4u and the hulling roll box body 7u are formed. Each unit is configured to be detachable.

  Since the upper portion of each of the supply box body 4u and the box body 7u for the hulling roll is opened, the first inclined plate 4a, the second inclined plate 4b, the feeding roll 5, and the hulling machine 7 are removed. Maintenance is possible from above.

(Hailwood operation control)
Roller-removal type rice cake sorter with vertical tang is separated from mixed rice, No.2 and No.3 in the case of Japonica, and switched to mixed rice and No.3 in the case of long grain It can be configured to increase the size of Kara.

  Indica varieties have a low specific gravity, so it is difficult to distinguish between cocoons and cocoons. The separation accuracy of soot can be improved.

(Head roughing machine)
About the structure which supplies a rice cake to the center part of the head rubber roll of the rice huller 7, by providing the head coarse sorter (not shown) for dust removal above the head, by the prevention of broken rice generation and the stable detachment The removal rate can be improved.

(Auxiliary power)
To accommodate long grain types using the head of a general huller 7, the drive shaft can be taken out of the gearbox from the transmission section of the take-up roll 5 and connected as a drive shaft for equipment for long grain types To do.

  For example, the work efficiency can be improved by providing a scraping roll at the lower part of the head shutter and driving it so as to assist the scrambling of the long grain type.

(Setting switching configuration)
In a pallet milling machine with a roll detaching type and a vertical configuration, if the Indica type is processed with the Japonica type set, the operation will not be stable, and adjustment of each part such as the roll gap and the number of rotations of suction is required. Therefore, by switching to the setting of the Indica type (the roll gap is narrowed by about 0.4 mm from the Japonica type and the suction rotation speed is reduced by about two steps), one-touch switching is possible without requiring adjustment man-hours. .

  In this case, the suction fan 13 is configured such that the rotation can be adjusted independently by an inverter or the like, and further, Japonica type (standard) → Indica type (narrow between the rolls and lowering the rotation in conjunction with suction rotation) → wheat (Opening between rolls) → Wide range of applications is possible by sequentially switching the settings according to the operation of the grain type switch, such as feed rice (narrow between rolls and short roll closing output time).

(Operation board)
Next, the operation panel will be described.
The operation panel 41 is provided on the top of the sliding rice wind selection unit 1b in the center of the front of the machine body in the horizontally long configuration, and as shown in FIG. 5, in addition to the power display unit 41a and the operation / stop switches 42a and 42b, The gap adjusting unit 43, the load display unit 44, and the grain type selection switches 45a and 45b are arranged.

  The operation switch 42a and the stop switch 42b start and stop the hull sorter 1. The stop switch 42b also serves as an emergency stop in addition to the work stop.

  The roll gap adjustment unit 43 includes a roll gap display unit 43a and open / close switches 43b and 43c arranged on both sides thereof, and is wide or narrow by a predetermined distance, for example, 0.1 mm, for each switch operation. The roll gap is configured to be adjustable.

The roll gap display unit 43a is configured to display the stroke position from the open switch 43b to the close switch 43c in a stepwise manner corresponding to the adjustable range from the maximum to the minimum.
In addition, “wheat” is displayed at a gap position that is a guideline for sorting wheat and re-sorting brown rice, and a double circle is displayed at the gap position that returns when the power is turned off.

  The load display unit 44 is configured so that the load state from the low load to the dangerous area can be displayed in stages for the main motor M1. An overload condition that causes the breaker to fall is regarded as a “danger zone” so that a warning can be given by a red light emission display.

The grain type selection switches 45a and 45b set the device operation corresponding to the type of short grain type and long grain type.
In the case of handling various cereal types, a cereal type switching switch for sequentially switching the setting contents for each operation is provided.

(overall structure)
The overall configuration of the hulling sorter 1 will be described with a focus on the relationship with the hulling portion 1a. As shown in FIGS. A rice hull portion 1a, a left and right center sliding rice wind selection portion 1b, a mixed rice cerealing portion 1c that cereals the mixed rice after the rice hulling and sorting process, a rocking sorting portion 1d that sorts brown rice, It is comprised from the brown rice cereal machine 1e which takes out finishing brown rice out of the machine in the right side position of the body.

  The hulling portion 1a is hulled by a hulling machine 7 and supplied to the hulled rice transfer shelf 8 by the huller hopper 6 being hulled and transferred inward by the vibrating hulled rice transfer shelf 8, It is supplied to the sorting start end side at the bottom of the falling rice wind sorting unit 1b.

  The sliding rice wind selection unit 1b includes a sliding rice wind selection box 9, a sliding rice sorting wind path 10 configured to extend in the vertical direction in the sliding rice wind selection box 9, and a sliding A rice cake receiving bowl 11 provided below the middle part of the rice sorting air passage 10, a sliding rice bowl 12 provided on the lower side which is the starting end of the sliding rice sorting air path 10, and sliding A suction fan 13 disposed on the upper end portion of the rice sorting air passage 10 and a dust exhaust cylinder 14 are configured.

  The mixed rice sorting unit 1d of the swing sorting type is formed with unevenness for sorting on the plate surfaces of the multi-stage swing sorting plates 15,... The swinging sorting plate 15 is inclined in both the longitudinal and lateral directions, with one side in the transverse direction perpendicular to the longitudinal direction being a high swinging side and the other side in the lateral direction being a low shaking side. Is configured to reciprocally swing in the horizontal direction obliquely up and down by a swinging device (not shown).

  A mixed rice tank 24 is disposed above the swing sorting plates 15..., And the mixed rice wind-selected by the sliding rice catcher 12 is cerealed by the mixed rice cerealing machine 1e and mixed rice tank 24. To be supplied. Then, it is supplied to the swing sorting plates 15 through the distribution supply basket 16 and the distribution case 17.

  In the discharge side portion of the swing side wall of the swing sorting plate 15,..., A soot discharge port is cut out, and the sort soot is taken out to the down side and passed through the soot reduction passage 29 and the sowing machine. 27.

  The mixed rice supplied to the oscillating sorting plates 15, ... has a grain size, specific gravity, friction coefficient, etc., so that small brown rice with heavy specific gravity is distributed in a drifting manner on the rocking side and compared with brown rice Thus, large and light specific rice cakes are distributed while drifting to the underside, and mixed rice of rice cake and brown rice that is not separated is distributed in the middle. These selected grains are separated by a brown rice partition plate 18 and a straw partition plate 19 provided on the discharge side of the swing sorting plate 15 and are taken out.

  The finished brown rice that has been taken out is taken out of the machine through the brown rice takeoff bowl 20, the brown rice channel 21, and the brown rice cerealing machine 5. Further, the selected mixed rice taken out passes through the mixed rice extraction basket 22, the mixed rice channel 23, the sliding rice receiving tray 12, the mixed rice cereal machine 1 c, the mixed rice tank 24, the distribution supply basket 16, and the distribution case 17. , Are supplied again to the swing sorting plates 15,.

  Of the sorting soot that has flow-separated to the swaying side of the swaying sorting plates 15,..., Those that have flowed along the side wall on the swaying side are taken out from the soot discharge port to the soot reduction channel 29, and The material that has flowed down the rocking side from the lower side wall is partitioned from the discharge-side end of the swing sorting plate 15,. The sorted rice cake taken out in this way is reduced to the rice hull portion 1a through the rice cake flow path 26 and the rice hulling machine 27, and is re-cooked. In addition, the cocoon which is the unpolished grain sorted into the rice cake receiving bowl 11 by the sliding rice wind sorting section 1b is sent to the milling machine 27 and lifted to the milling section 1a together with the sorting bowl of the mixed rice sorting section 1d. The grain is reduced.

(Key points in configuration)
It is as follows when the main point on the structure of the above-mentioned hulling sorter is put together.

  First, the hulling portion 1a in which the hull hopper 2 and the hulling machine 7 are arranged up and down, the wind selection unit 1b for sorting the hulls in the subsequent process of this hulling unit 1a, and the subsequent process of this wind selecting unit 1b Provided with a rocking sorting part 1d for sorting brown rice, a rice hull part 1a arranged on the left and right sides of the machine body, a rocking sorting part 1d arranged on the other left and right sides, and the rice hull part 1a and the rocking sorting part The wind separator 1b is disposed between 1d, and the hulling machine 7 is constituted by a pair of left and right hulling rolls 7a and 7b, and the hulling roll 7a on the left and right outer sides is made lower than the hulling roll 7b on the other side. By installing the slanting plate 4 that guides the reed from the reed hopper 2 along the reed line, a reed sorter that can be adapted particularly to Indica rice is provided. Can be provided.

  Secondly, since the supply box body 4u for accommodating the upper portion of the inclined plate 4 and the hulling roll box body 7u for accommodating the hulling rolls 7a and 7b are detachable, maintenance can be easily performed. Can do.

  Thirdly, the inclined plate 4 is divided into an upper first inclined plate 4a and a lower second inclined plate 4b, the first inclined plate 4a fixes the inclined posture, and the second inclined plate 4b has an upper end at the fulcrum 4c. The first inclined plate 4a is provided in the box-shaped supply box body 4u, and the second inclined plate 4b and the hulling machine 7 are provided in the box-shaped hull roll box body 7u. As a result, the first inclined plate 4a and the second inclined plate 4b can be linked by rational block assembly of the supply box body 4u and the hulling roll box body 7u.

1 Hulling sorter 1a Hulling part (Hashing equipment)
DESCRIPTION OF SYMBOLS 1b Wind selection part 1d Oscillation selection part 2 Reed hopper 4 Inclined plate 4a First inclined plate 4b Second inclined plate 4c Support point 4u Supply box body 7 Reed machine 7a Reed roll 7b Reed roll 7u Reed roll box body

Claims (3)

A hull portion (1a) in which a hull hopper (2) and a huller (7) are arranged up and down, a wind selection portion (1b) for selecting hail in a later process of this hull portion (1a), A rocking sorting part (1d) for sorting brown rice in a subsequent process of the sorting part (1b),
The hulling portion (1a) is arranged on the left and right sides of the machine body, the swing sorting portion (1d) is arranged on the left and right other sides, and the hulling portion (1a) and the swing sorting portion (1d) The wind selection section (1b) is placed between
The hulling machine (7) is composed of a pair of left and right hulling rolls (7a, 7b), and the left and right hulling rolls (7a) are made lower than the other hulling rolls (7b) and thrown into the hull. A rice hull sorter comprising a slant plate (4) for inclining a wire toward the inside of the machine body and guiding the reed from the reed hopper (2) along the reed line.   The supply box body (4u) for accommodating the upper portion of the inclined plate (4) and the hulling roll box body (7u) for accommodating the hulling rolls (7a, 7b) are configured to be detachable. The hull sorter according to claim 1, wherein The inclined plate (4) is divided into an upper first inclined plate (4a) and a lower second inclined plate (4b).
The first inclined plate (4a) fixes the inclined posture, and the second inclined plate (4b) is configured so that the inclined posture can be adjusted with the upper end portion as a fulcrum (4c),
The first inclined plate (4a) is provided in a box-shaped supply box body (4u), and the second inclined plate (4b) and the hulling machine (7) are box-shaped hulling roll box bodies ( 7. The hull sorter according to claim 2, which is provided in 7u).