JPS6321537B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention deprocesses the rice grains input from the rice input hopper in the huller, and separates the washed rice from the huller into mixed rice and rice husk by the wind sorting unit. The wind-selected mixed rice is sorted into paddy, finished rice, and mixed rice in a sorting section consisting of a rotating sorting tube.The paddy is returned to the hulling section, and the mixed rice is passed through the wind-selecting section. This invention relates to improvements to a huller that removes finished rice (brown rice) by returning it to a cylinder.

In the hulling machine of the above-mentioned type, when the paddy grains to be removed are put into the paddy input hopper, dust is thrown up around them, and the paddy grains separated from the mixed rice in the sorting tube of the sorting section are When the grains are returned to the paddy input hopper, dust is thrown up, creating a dusty environment around the paddy input hopper, which is the working position, which poses a problem of worsening work efficiency.

The present invention was made to solve this problem, and the dust generated around the paddy input hopper is guided to the wind sorting part by using the inner cavity of the sorting tube of the sorting part. The purpose of the present invention is to provide a new means for discharging air to a remote location outside the aircraft using a Karachi blower.

In the present invention, as a means to achieve this object, there is provided a hulling section for deprocessing the rice grains inputted from the paddy input hopper, and a hulling section for deprocessing the rice grains inputted from the paddy input hopper, and a milled rice that is deprocessed and removed by the hulling section. A hulling machine consisting of a wind-selecting section that wind-sorts mixed rice into mixed rice and rice husks, and a sorting section that sorts the mixed rice wind-selected in the wind-selecting section into paddy, finished rice, and mixed rice using a rotating sorting tube. In,
The sorting tubes of the sorting section are arranged in two stages, upper and lower, so that one end side of the upper sorting tube faces near the upper part of the paddy input hopper of the hulling section, and one end side of the lower sorting tube faces above the paddy input hopper of the hulling section. It is arranged so as to communicate with the starting end side of the wind sorting section, and the other end side of the upper sorting tube and the other end side of the lower sorting tube are communicated with each other, and it is flowed into the wind sorting section by suction of the Karasaki blower. The present invention proposes a rice hulling machine characterized in that a sorting air intake port is installed at a portion facing an open opening on one end side of the upper sorting tube facing above the rice input hopper.

Next, an example of implementation will be described in detail based on the drawings.

FIG. 1 is a vertically sectional front view of a huller A that can carry out the present invention. In the figure, 1 is a paddy input hopper of the huller A, 2 is a huller, 3 is a winnowing part, and 4 is a wind selection part. Grain lifting machine, 5 is the outer casing, 6 is the sorting section, 7 is the upper sorting cylinder,
Reference numeral 8 indicates a lower sorting tube, 30 indicates a winnowing blower, and 50 indicates an intake port for the sorting air.

The paddy input hopper 1 is mounted on the machine casing 22 with the outlet 10 formed at its bottom connected to the supply port 21 formed on the top side of the machine casing 22 of the hulling section 2. be.

In addition, the hulling section 2 has a pair of derolling parts 20 and 20 that rotate at different rotational speeds in opposing rotation directions, as shown by the arrows in FIG.
This is a normal type in which the rice grains are placed on shafts facing left and right, and the rice grains introduced into the rice input hopper 1 and supplied from the supply port 21 are slid off by the pair of rolls 20, 20, Unrolling 2
The lower part of 0.20 is connected and communicated with a winnowing section 3 for winnowing the washed rice that has been removed and is pushed out.

The wind sorting section 3 includes a Karachi blower 30, a sorting air passage 3a whose terminal end communicates with its suction port 31, and a rice cake receiving gutter which is arranged in sequence from the terminal end to the starting end at the bottom of the selection air passage 3a. 32 and a mixed rice receiving trough 33, and a sorting wind (suction wind) is generated by a Karachi blower 30.
As the rice is blown down as shown by the double-lined arrow A, the washed rice is washed down from the rice hulling section 2 and flows down onto the grain board 34.
The rice cake is discharged outdoors through the air exhaust pipe 35 and the duct 36 connected to the tip of the pipe 35, and the rice cake is discharged to the outside through the rice cake receiving pipe 3.
2, and the mixed rice (brown rice and paddy) is collected into the mixed rice receiving trough 33 and separated into rice husks, rice husks, and mixed rice. This is the same as conventionally known methods. Each of the receiving troughs 32 and 33 has a rice cake outlet (not shown) and a mixed rice outlet 37.
Screw rasens 38 and 39 are installed to transport the vehicle towards.

The grain lifting machine 4 is a conventionally known type in which a bucket conveyor is provided in the grain lifting tower 40, and its reception port is connected and communicated with the take-out port 37 of the mixed rice receiving trough 33. 4 (left side in Figure 4), it receives the mixed rice fed out from the takeout port 37, lifts it up, and discharges it from the discharge port 41 at the tip of the discharge cylinder provided at the top of the grain lifting tower 40.

The sorting section 6 includes two sorting tubes 7 and 8 whose axial ends are open in the inner cavity of an outer casing 5 formed in the shape of a machine casing.
(or sorting cylinders) are arranged vertically in parallel with their axes aligned with the left-right direction of the fuselage. As for the upper and lower sorting tubes 7 and 8, in the case of the upper sorting tube 7, one end side thereof (the left end side in FIG. The lower sorting cylinder 8 is arranged so that one end side (the left end side in FIG. 1) communicates with the starting end side of the sorting air passage 3a of the air selection section 3 mentioned above. and communicated at each other end (the right end in FIG. 1). Also, in this arrangement state, the input pulley 71
It is rotatably supported by rotating shafts 70 and 80 driven by 81. Each of the sorting tubes 7 and 8 has a recess (not shown) formed on its inner wall surface to receive the brown rice in the sorting tubes 7 and 8 and send it upward by rotation (arrow in FIG. 5). There is. Further, in the inner cavity, there is a receiving gutter 7 which is opened upward so as to receive brown rice, etc., which are carried upwards on the inner circumferential surface and fall in the recess.
2 and 82 are arranged at the axial center, and within these receiving troughs 72 and 82, transfer conveyors 74 and 84 consisting of feed helices 73 and 82 attached to the rotating shafts 70 and 80 are arranged along the axial direction. This allows the mixed rice to be sorted into three types: paddy, mixed rice, and finished rice (brown rice). A concave is formed so that all of the brown rice is picked up into the receiving trough 72 even if the paddy grains are picked up from inside, and only the paddy grains remain in the sorting tube 7 and are mixed in the receiving trough 72. In addition, the lower sorting tube 8 is formed so that even if brown rice remains in the sorting tube 8, only brown rice is picked up in the receiving gutter 82, so that the transfer conveyor 84 The finished rice (brown rice) is taken out through the receiving trough 82, and the mixed rice remaining in the sorting tube 8 is taken out from the open port 85 at one end of the sorting tube 8.

Then, the open port 7 at the other end of the upper sorting tube 7
6 has a supply port 44 communicating with the conveyance direction end portion 42a of the conveyor 42 disposed on one side above the outer casing 5 through a communication path 43,
The conveyor 42 has a receiving port 45 provided at the starting end side in the conveying direction, which is connected to the discharge port 45 of the grain lifting machine 4.
The mixed rice fed by the grain lifting machine 4 is supplied from this supply port 44 into the upper sorting cylinder 7. The open port 75 at one end of the upper sorting tube 7 is formed as a paddy outlet that communicates with the paddy input hopper 1 and from which the paddy is fed. An open port 85 at one end of the lower sorting tube 8 communicates with the wind sorting section 3 and is formed as a mixed rice outlet, and an open port 86 at the other end is connected to the upper sorting tube 7. It communicates with the terminal end in the conveyance direction of a conveyor 74 provided in the cavity via a guide path 77 .

9 is a grain lifting machine for taking out finished rice (brown rice), and a transfer conveyor 84 is provided in the inner cavity of the sorting cylinder 8 on the lower side.
It communicates with the terminal end 84a in the transport direction via a take-out flow path 90.

Therefore, the sorting air intake 50 is an open opening 7 at one end side of the upper sorting tube 7 of the outer casing 5 surrounding the sorting section 6.
It is provided in a window-like opening in the machine wall 5a facing the machine wall 5. The open port 76 at the other end of the upper sorting tube 7 and the open port 86 at the other end of the lower sorting tube 8 are connected to each other through a guide air path 52 formed by the partition wall 51 and the machine wall 5b. As a result, an air path for sorting air is formed that flows from above the paddy input hopper 1 in the order of the upper sorting tube 7 → the lower sorting tube 8 → the wind sorting section 3 → the kink blower 30. There is.

The embodiment device constructed in this manner operates as follows.

When the huller A is in operation, and the winnowing blower 30 is operated to blow the sorting air through the sorting air passage 3a of the wind sorting section 3, the sorting air flows upward on one side of the paddy input hopper 1. It is taken into the inner cavity of the upper sorting tube 7 through the facing intake port 50, and the sorting tube 7
The air flows into the sorting air path 3a through the inner cavity of the lower sorting cylinder 8 and the inner cavity of the lower sorting cylinder 8. As a result, the dust generated around the paddy grains when they are introduced into the paddy input hopper 1 is removed through the sorting tubes 7 and 8 of the sorting section 6, together with the dust generated inside the sorting tubes 7 and 8. , suctioned into the sorting air passage 3a of the air sorting section 3,
Along with the rice husks that are suctioned and removed in the wind sorting section 3,
The air is discharged to a remote location outside the machine through the wind exhaust pipe 35 of the karin blower 30 and the duct 36 communicating therewith, so that the environment at the working position around the paddy input hopper 1 is maintained in a good condition.

As explained above, the rice huller according to the present invention is
A hulling section that deprocesses the rice grains input from the paddy input hopper, a wind selection section that wind-sorts the washed rice that is deprocessed and removed in the hulling section into mixed rice and rice husks, and the In a hulling machine that includes a sorting section that sorts the mixed rice wind-selected in the sorting section into paddy, finished rice, and mixed rice using a rotating sorting tube, the sorting tubes of the sorting section are arranged side by side in two upper and lower stages. and arrange them so that one end side of the upper sorting tube faces near the upper part of the paddy input hopper of the hulling section, and one end side of the lower sorting tube communicates with the starting end side of the wind sorting section, The other end side of the upper sorting tube and the other end side of the lower sorting tube are communicated with each other, and an intake port for the sorting air which is caused to flow into the wind sorting section by the suction of the winnowing blower is placed above the paddy input hopper. Since it is installed in the part facing the open opening on one end side of the upper sorting tube, the dust generated around the rice grains are thrown into the rice charging hopper is removed from the top and bottom of the sorting section. The inner cavities of the two sorting tubes installed in parallel are used as guideways, and the rice is sucked into the wind sorting section and discharged along with rice husks, etc. from the wind exhaust tube of the Karachi blower to a remote location outside the machine. Improve the environment around the paddy input hopper, which is the working location.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of a rice huller embodying the present invention, FIG.
The figure is a plan view of the same as above, Figure 4 is a side view of the same as above, and Figure 5 is a side view of the same as above.
The figure is an explanatory diagram of the sorting tube. Explanation of drawing symbols, A...hulling machine, 1...paddy input hopper, 10...outlet, 2...hulling section, 20...derolling, 21...supply port, 22...machine casing, 3...wind sorting section,
3a... Sorting air path, 30... Tang winch blower, 31... Suction port, 32... Rice cake receiving gutter, 33... Mixed rice receiving gutter, 34...
Flowing grain board, 35...Exhaust pipe, 36...Duct, 37...Mixed rice outlet, 38, 39...Screw rack, 4
...grain lifting machine, 40...grain lifting tower, 41...discharge port, 42...
Conveyor conveyor, 42a...Terminal part, 43...Communication path,
44... Supply port, 45... Receiving port, 5... Outer casing, 5a,
5b...machine wall, 50...intake port, 51...bulkhead, 52...
Guide air path, 6... sorting section, 7, 8... sorting tube, 70,
80... Rotating shaft, 71, 81... Input pulley, 7
2,82...Receiving gutter, 73,83...Feeding helix, 7
4, 84...Transfer conveyor, 84a...Terminal part, 7
5, 76, 85, 86...open port, 77...taxiway,
9...Grain lifting machine for taking out grains, 90...Flow path.

Claims (1)

[Claims] 1. A hulling section that deprocesses the rice grains input from the paddy input hopper, a wind selection section that wind-sorts the washed rice that is deprocessed and removed by the hulling section into mixed rice and rice husks, and In a hulling machine that includes a sorting section that sorts the mixed rice wind-selected in the wind sorting section into paddy, finished rice, and mixed rice using a rotating sorting tube, the sorting tubes of the sorting section are arranged in two stages, upper and lower. and arrange them so that one end side of the upper sorting tube faces near the upper part of the paddy input hopper of the hulling section, and one end side of the lower sorting tube communicates with the starting end side of the wind sorting section. , and the other end side of the upper sorting tube and the other end side of the lower sorting tube are communicated with each other, and an intake port for the sorting air which is caused to flow into the wind sorting section by the suction of the karachi blower is connected above the paddy input hopper. A rice hulling machine characterized in that it is installed at a part facing an open opening on one end side of an upper sorting tube facing the water.