JP2009233528A - Small rice extracting device of grain sorting machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve such problems that a space for bagging work is difficult to ensure when the number of positions for extracting e.g. large, middle and small rice, waste rice and rice bran increases, especially because middle and small rice often contain waste rice and rice bran and their individual sorting requires troublesome two positions for extracting waste rice and bran grains. <P>SOLUTION: In a grain sorting machine, a middle rice screening cylinder 2 and a small rice screening cylinder 3 of different mesh sizes are connectedly arranged upside and downside the outer periphery of a rice ascending spiral 1, and a middle rice discharge chamber 4 and a small rice discharge chamber 5 are formed in the outer peripheral portions of individual screening cylinders 2 and 3. A separation rack 6 is disposed to receive the middle rice discharged from the middle rice discharge chamber 4 and makes the middle rice to flow down while making small rice and rice bran escape downward, and a small rice shooter 7 disposed below the separation rack 6 makes the small rice and rice bran having escaped from the separation rack 6 flow into the downside small discharge chamber 5. As a result, a small rice extracting device is constituted. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a small rice take-out device for a grain sorter that sorts a central rice sorting cylinder and a small rice sorting cylinder having different scales in series, and has a compact configuration.

The upper central rice sorting cylinder and the lower small rice sorting cylinder are connected in series along the cerealing spiral, and the grains such as brown rice are made of large-sized large rice, medium-sized medium-sized rice, and small-sized small-sized rice. Technology that sorts waste rice, rice bran, etc., and technology that provides a removal net for the Central American shooter that is picked up by receiving the Central America sorted by the Central America sorting cylinder (for example, see Patent Document 1) It has been.
JP 2002-126647 A (FIG. 4)

  In a vertical sorter in which a central rice sorter and a small rice sorter are connected vertically, it is possible to reduce the installation floor area and widen the outer peripheral area, but this work direction is often limited to a part. . When the extraction positions of large rice, central rice, small rice, waste rice, rice bran and the like increase, it becomes difficult to secure a space for carrying out the bagging process. In particular, Central rice, small rice, etc. often contain waste rice, rice bran, etc., and sorting them separately will make the picking up location of waste rice and rice cakes in two places and complicated. .

  According to the first aspect of the present invention, a central rice sorting cylinder 2 and a small rice sorting cylinder 3 having different scales are connected to the outer circumference of the cerealing helix 1 vertically, and the central rice is arranged at the outer circumference of each sorting cylinder 2, 3. In the grain sorter having the discharge chamber 4 and the small rice discharge chamber 5, a sorting shelf 6 is provided for allowing the small rice and rice cake to leak while receiving the central rice discharged from the central rice discharge chamber 4. The small rice taking-out apparatus is characterized in that small rice leaking to the lower side of the sorting shelf 6 and a small rice shooter 7 for allowing the straw to flow into the lower small rice discharge chamber 5 are provided. The brown rice that has been raised in the sorting cylinders 2 and 3 by the rotation of the cerealing spiral 1 is sorted and discharged into the small rice discharge chamber 5 on the outer periphery in the lower rice sorting cylinder 3. In the upper central rice sorting cylinder 2, the central rice and the like are sorted and discharged into the outer central rice discharge chamber 4. Further, the large rice is discharged from the upper end portion of the central rice sorting cylinder 2. Of these, the Central America discharge chamber 4 has its central rice flowed down the sorting shelf 6 to leak out small rice and potatoes and discharged to the outside of the machine. The small rice shooter 7 flows down, is supplied to the small rice discharge chamber 5, and is discharged from the small rice sorting cylinder 3 together with the small rice subjected to the leakage selection. The small rice discharged from the small rice discharge chamber 5 is separated and discharged from waste rice, rice bran, etc. by a separate net.

  According to a second aspect of the present invention, there is provided a small rice take-out apparatus in which the lower small rice sorting cylinder 3 is formed to be longer than the upper central rice sorting cylinder 2 as appropriate. Brown rice to be cerealed by the rotation of the threshing spiral 1 sorts the small rice into the outer small rice discharge chamber 5 while the lower small rice sorting cylinder 3 is rising, and the remaining central rice and large rice are sorted into the upper central rice sorting cylinder. 2. Sorting Central America into the Central American discharge chamber 4 while raising the inside. Since brown rice is raised in each sorting cylinder 2 and 3, small rice, central rice, etc. are leaked and sorted, and while reducing the amount of brown rice, only the large rice is left at the top and sorted out, so the small rice sorting with a large amount of brown rice The sorting and discharging of small rice, waste rice and the like in the cylinder 3 is increased, and the sorting of the central rice and the large rice in the upper middle rice sorting cylinder 2 is performed promptly and accurately.

  The invention according to claim 1 sorts brown rice that rises in a series of small rice sorting cylinders 3 and central rice sorting cylinders 2 arranged around the cerealing spiral 1 according to the three classes of small rice, central rice, and large rice, By separating and separating waste rice and rice cakes from the small rice taken out from the small rice discharge chamber 5, it is possible to obtain the minimum necessary amount of the tray separation and removal, but the central rice taken out from the central rice discharge chamber 4 is sorted out. The sorting shelf 6 is formed on the outer periphery of the small rice discharge chamber 5, and the waste rice, rice cake, and the like that have been filtered through the sorting shelf 6 are allowed to flow into the small rice discharge chamber 5 at the lower part inside the fuselage. In order to discharge and sort the small rice sorted in the small rice discharge chamber 5, the configuration of the sorting machine body is kept small, and the removal position of waste rice, rice cakes, etc. is kept to the minimum position It can be provided and it can be set as a compact form.

  In the invention according to claim 2, in the small rice sorting cylinder 3 having a large brown rice supply amount, the lower small rice sorting cylinder 3 is lengthened and the upper middle rice sorting cylinder 2 is shortened without increasing the height of the sorting machine body. The small rice sorting performance can be enhanced, and the central rice and the large rice can be accurately sorted in the central rice sorting cylinder 2, so that highly efficient sorting can be maintained.

  Based on the illustrated example, the sorting machine is mounted on the machine base 8 with the cerealing helix 1 shaft 9 facing upward, and the lower end of the helix shaft 9 is rotationally driven by the motor 10 in conjunction with the belt 11. . A cylindrically formed small rice sorting tube 3 and a central rice sorting tube 2 along the outer periphery of the cerealing helix 1 are provided by joining up and down, and the small rice sorting tube 3 and the central rice sorting tube 2 are connected to the helical shaft. 9 It is comprised so that it may rotate in the reverse direction to this threshing spiral 1 via the transmission mechanism in the transmission case 12 bearing a lower end part. The ascending helix 1 is formed on the outer peripheral surface of the cylinder 13 having an appropriate diameter with a relatively loose spiral pitch, and receives the brown rice between the outer peripheral surface of the selection cylinders 2 and 3 on the outer periphery and conveys it upward. it can. Each of the sorting cylinders 2 and 3 is a corrugated plate having a corrugated irregular shape formed by bending the corrugated plate in the length direction of the irregularities to form a cylindrical shape. The selection hole is formed by extending along the direction of the rotational concave shape, and the selection particle diameter is determined by the hole width size of the selection hole. Forming a larger sorting hole width in the upper middle rice sorting cylinder 2 relative to the sorting hole width in the lower small rice sorting cylinder 3 so that small rice and central rice having a predetermined particle diameter can be sorted, respectively. It is composed.

  A small rice discharge chamber 5 and a central rice discharge chamber 4 for receiving small rice, central rice, etc. leaking from the selection hole are formed on the outer peripheral portion of each of the sorting cylinders 2 and 3, and the outer peripheral portion is covered with a cover cylinder 14. Yes. A supply hopper 15 for supplying grains such as brown rice to be sorted is provided on the back side of the small rice discharge chamber 5, and a take-out hopper for taking out the picked up rice from the front side and supplying it in bags. 16 and an opening / closing shutter 18 is provided at the discharge port 17 at the lower end.

  Here, the small rice take-out device of this grain sorter is configured such that a central rice sorting cylinder 2 and a small rice sorting cylinder 3 having different scales are connected to the outer circumference of the ascending helix 1 up and down. In the grain sorter having a central rice discharge chamber 4 and a small rice discharge chamber 5 in the section, a sorting shelf for leaking small rice and straw while receiving the central rice discharged from the central rice discharge chamber 4 6 is provided, and a small rice shooter 7 for introducing small rice that leaks to the lower side of the sorting shelf 6 and a small rice shooter 7 for allowing the straw to flow into the lower small rice discharge chamber 5 is provided. The brown rice that has been raised in the sorting cylinders 2 and 3 by the rotation of the cerealing spiral 1 is sorted and discharged into the small rice discharge chamber 5 on the outer periphery in the lower rice sorting cylinder 3. In the upper central rice sorting cylinder 2, the central rice and the like are sorted and discharged into the outer central rice discharge chamber 4. Further, the large rice is discharged from the upper end portion of the central rice sorting cylinder 2. Of these, the Central America discharge chamber 4 has its central rice flowed down the sorting shelf 6 to leak out small rice and potatoes and discharged to the outside of the machine. The small rice shooter 7 flows down, is supplied to the small rice discharge chamber 5, and is discharged from the small rice sorting cylinder 3 together with the small rice subjected to the leakage selection. The small rice discharged from the small rice discharge chamber 5 is separated and discharged from waste rice, rice bran, etc. by a separate net.

  In addition, a small rice take-out apparatus is characterized in that the lower small rice sorting cylinder 3 is formed to be appropriately longer than the upper middle rice sorting cylinder 2. Brown rice to be cerealed by the rotation of the threshing spiral 1 sorts the small rice into the outer small rice discharge chamber 5 while the lower small rice sorting cylinder 3 is rising, and the remaining central rice and large rice are sorted into the upper central rice sorting cylinder. 2. Sorting Central America into the Central American discharge chamber 4 while raising the inside. Brown rice is sorted and discharged while leaving the sorting cylinders 2 and 3 while small rice and central rice are leaked out and the amount of brown rice is reduced, leaving only the large rice at the upper end. The sorting and discharge of small rice, waste rice, etc. in 3 is increased, and the sorting of the central rice and the large rice in the upper middle rice sorting cylinder 2 is performed promptly and accurately.

  The small rice discharge chamber 5 on the outer periphery of the lower small rice sorting cylinder 3 forms a receiving tub 19 along the bottom lower portion, and receives small rice falling in the small rice discharge chamber 5 and potatoes. Further, a receiving rod 20 is provided at the bottom of the central rice discharge chamber 4 above the small rice discharge chamber 5 to receive the central rice etc. falling through the central rice discharge chamber 4. The small rice tray 19 and the central rice tray 20 are fitted with a scraping blade 21 provided on the outer periphery of the small rice sorting cylinder 3 and a scraping blade 22 provided on the outer periphery of the central rice sorting cylinder 2, respectively. By squeezing and rotating, the selected grains in each of the receptacles 19 and 20 can be scraped out of the machine. A small rice outlet 30 and a central rice outlet 25 are provided in a part of each receptacle 19, 20. The small rice outlet shooter 23 outside the small rice outlet 30 and the sorting shelf 6 outside the central rice outlet 25 are provided. , And toward the Central American discharge shooter 24 by scraping each of the raking blades 21, 22.

  The sorting shelf 6 formed between the Central America discharge shooter 24 and the Central America discharge port 25 of the Central America discharge chamber 4 has a vertical line form in which piano wires 27 are arranged at regular intervals in the vertical direction on the selection frame 26. It is slanted at a certain vertical angle. By flowing down Central America onto this upper surface, small rice, waste rice, rice cakes, etc. mixed slightly in this Central America are leaked under the sorting shelf 6 and Central America. Only is made to flow down to the Central America discharge shooter 24, and is stored in the Central America bag which is seen under the Central America discharge shooter 24. A small rice shooter 7 is provided on the lower side of the sorting shelf 6, and the lower end is looked into the small rice discharge chamber 5, and the small rice leaked from the sorting shelf 6, waste rice, rice cakes, etc. It is made to flow on the receptacle 19 of the discharge chamber 5. The sorting shelf 6 is detachably attached to a shelf frame 28 on the Central American discharge chute 24. The left and right sides between the shelf frame 28 and the lower small rice shooter 7 are covered with side plates 29 to form a triangular case.

  The small rice discharge chamber 5 receives the small rice scraped by the scraping blade 21, scrapped rice, and rice cakes from the small rice discharge port 30 formed in the outer peripheral portion of the receiving bowl 19, while flowing down these scraped rice and A small rice discharge shooter 23 having a dehulling shelf 31 for sorting out slag and the like is provided by being inclined. A scissor shooter 32 is provided below the deshrinking shelf 31. The upper small rice shooter 7 may be formed so as to be directly seen on the upper end portion of the small rice discharge shooter 23.

  The effective sorting length A of the small rice sorting cylinder 3 is formed longer than the effective sorting length B of the central rice sorting cylinder 2 so that the sorting performance of the sorting cylinders 2 and 3 is kept high. The mixing ratio of small rice, potatoes, and the like in 4 is reduced, and an efficient sorting action can be performed even with a small sorting shelf 6 configuration.

The front view of a small rice shooter part, and the top view of the one part. The front view of a sorter. Sectional drawing of a sorter. The whole rear view of a sorter. The whole side view of a sorter.

Explanation of symbols

1 Grain raising spiral 2 Central rice sorting cylinder 3 Small rice sorting cylinder 4 Central America discharge chamber 5 Small rice discharge chamber 6 Sorting shelf 7 Small rice shooter

Claims (2)

  Central rice sorting cylinders (2) and small rice sorting cylinders (3) with different scales are arranged vertically on the outer circumference of the cerealing spiral (1), and the outer circumference of each sorting cylinder (2), (3) is In the grain sorter formed with the rice discharge chamber (4) and the small rice discharge chamber (5), the small rice and rice cake are leaked while receiving and flowing down the central rice discharged from the central rice discharge chamber (4). A sorting shelf (6) is provided, and a small rice shooter (7) for allowing small rice leaking to the lower side of the sorting shelf (6) and a rice cake to flow into the lower rice discharge chamber (5) is provided. The small rice take-out device.   The small rice take-out device for a grain sorter according to claim 1, wherein a length of the lower small rice sorting cylinder (3) is appropriately longer than that of the upper central rice sorting cylinder (2).

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