JPH06106130A - Rotary grain sorter - Google Patents

Abstract

PURPOSE:To prevent the mixing of unnecessary matter low in specific gravity with sorted good grain. CONSTITUTION:The grain charged in a winnowing machine 20 is drawn into an exhaust chamber 9 from a suction port 36 through a suction duct 17 while the unnecessary matter such as small straw refuse or dust low in specific gravity mixed with grain is separated in a winnowing part. The grain high in specific gravity falls from the winnowing part to enter a supply hopper 4 from the grain outlet of the winnowing machine 20 and is lifted by the action of the sorting net member rotating at a low speed and grain lifting spiral cylinder rotating at a high speed arranged in a shell body 1 to be sorted into good grain and waste grain and the good grain is stored in a storage tank 5 while the waste grain falls W the shell body 1 to enter the exhaust chamber 9 to be discharged out of the sorter along with unnecessary matter from a duct 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention separates wastes such as straw dust and dust mixed in grains and sorts good grains in the grains, and a relatively rotating sorting net and a lifting helix. The present invention relates to a vertical grain sorter equipped with a cylinder.

[0002]

2. Description of the Related Art Conventionally, as this type of vertical grain sorter, there is one disclosed in Japanese Patent Laid-Open No. 3-91417 described below.

As shown in FIG. 4, in this vertical grain sorter, a cylindrical sorting net 102 is rotatably arranged in a shell 101, and the fried helix 1 is placed in the sorting net 102.
03 is rotatably arranged, and the grains supplied into the supply unit cylinder 107 from the supply port (not shown) are sorted into good grains and waste grains while being fried from below by the fried helix 103.
The good grains are stored in the storage tank 105 and the shell 10
By sucking the air in the shell body 101 from the suction fan 110 provided in the base body 109 below 1,
From the mesh of 02, small grains and dust mixed in the grains are discharged to the outside through the exhaust pipe 104.
In addition, if necessary, the selection net body 10 is provided on the upper part of the shell body 101.
The blower 111 for blowing air into 2 is attached.

[0004]

SUMMARY OF THE INVENTION In the above conventional technique,
Small grains and dusts with a diameter smaller than the size of the sorting net are separated from good grains and released to the outside, but wastes with a specific gravity larger than the size of the sorting net and having a small specific gravity are not separated. However, there is a problem that the grains are stored in the storage tank in a state of being mixed with good grains.

The present invention has been made in view of the problems of the above-mentioned conventional techniques, and an object of the present invention is to realize a vertical grain sorter in which waste having a small specific gravity is not mixed in sorted good grains. It is what

[0006]

In order to achieve the above object, a vertical grain sorter of the present invention has an exhaust chamber having an exhaust chamber communicating with a storage tank at an upper part and an exhaust chamber provided with an exhaust fan at a lower part. A shell having the same, a supply cylinder communicating with a supply hopper arranged on the exhaust chamber in the shell, an induction cylinder concentrically arranged in the supply cylinder, and an upper part of the induction cylinder. And a fried grain spiral tube rotatably disposed in the guide tube and the selection screen body, and the guide tube and the selection screen body and the lifting screen body. In a vertical grain sorter that performs relative rotation with a grain spiral barrel to sort grains, above the feed hopper that is in communication with the feed barrel, wind separation for separating wastes with a small specific gravity that are mixed in the grain. Kara that has a section is arranged, and it is provided on the upstream side of the wind selecting section of the Kara. S outlet is communicated with the supply hopper, it is characterized in that the suction port for sucking air is provided on the downstream side of the winnowing unit of the winnowing fan is communicated with the exhaust chamber.

Further, a wind force adjusting hole is opened at a position away from the suction opening of the Karako, and it is effective to provide a wind force adjusting plate for adjusting the amount of sucked air in the wind force adjusting hole. is there.

[0008]

[Operation] Grains thrown into Kara-miso are sucked in the downstream of the wind-separation section after separating wastes such as straw dust and dust mixed in the grain in the wind-separation section of the Kara-mino It is sucked into the exhaust chamber through the mouth. On the other hand, grains with a large specific gravity fall against the air flow of the air separation section, enter the supply hopper from the grain outlet provided on the upstream side of the air separation section, and are guided to the lower part of the supply cylinder by the guide cylinder and relatively The grains are supplied between the rotating selection net and the fried helix, and the grains are sorted from the grain while the grains are fried, and the grains are stored in the storage tank. The waste particles are discharged between the screening mesh and the shell and fall into the exhaust chamber, and are carried to the outside of the machine by being conveyed to the air flow by the exhaust fan together with the unnecessary substances.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of an embodiment of the present invention, FIG.
FIG. 2 is a sectional view taken along line AA of FIG. 1.

An exhaust chamber 9 having an exhaust fan 16 therein is fixed on the machine base 15, and a shell 1 is integrally disposed on the exhaust chamber 9, both of which are lower parts. Partition plate 1
Although it is partitioned by 0, it is communicated by a plurality of communication holes 11.

A two-output gearmotor having a high-speed rotating output shaft and a low-speed rotating output shaft, which is a driving means having two output shafts having opposite rotation directions and different rotation speeds, is provided on the lower surface of the lower partition plate 10. 6 are attached, and these two output shafts project above the central hole of the lower partition plate 10.

On the upper surface of the lower partition plate 10, there is fixed a supply cylinder 8 having an open top surface and a side surface communicating with the supply hopper 4. The supply cylinder 8 has a flange 7c at the opening edge and an outer periphery. A guide cylinder 7 having a spiral guide blade 7a along its surface is concentrically rotatably arranged, and its bottom plate 7b is connected to an output shaft of the two-output gear motor 6 that rotates at a low speed.

The cylindrical selection net body 2 is placed on the guide cylinder 7, and the engaging hole formed at the lower end of the guide net 7 is provided with the flange 7c.
It is configured to rotate integrally with the guide cylinder 7 by engaging with the plurality of engaging projections 7d provided on the upper side.
A plurality of support rollers 14 rotatably supported on the lower surface of the upper partition plate 13 attached to the upper portion of the shell 1 are brought into contact with the peripheral surface of the upper end portion of the sorting net body 2 to select the sorting net body. The body 2 is supported so as not to swing.

The fried spiral cylinder 3 having spiral wings 3a on its peripheral surface is
The bottom plate 3b, which is concentrically fitted and inserted into the selection net body 2 and the guide cylinder 7, is fixed to the output shaft of the two-output gear motor 6 that rotates at high speed, and the shaft 3c integrally provided at the upper end portion.
Are rotatably supported by bearings 19 attached to the shell 1. Further, the upper partition plate 13 of the fried spiral tube 3
A plurality of scraping blades 12 are attached at substantially equal intervals on the peripheral surface of the portion projecting to the upper discharge chamber 1a. A storage tank 5 is attached to the upper wall surface of the shell 1, and the storage tank 5 is connected to the discharge chamber 1a on the upper partition plate 13 by a discharge port (not shown).

Further, a Karato 20 is disposed above the supply hopper 4, and as shown in FIG. 3, the grain outlet 25 of the Karato 20 is connected to the supply hopper 4 and the Karato 20.
The suction hole 36 is communicated with the exhaust chamber 9 by the suction duct 17.

The Karato 20 is used to separate the hopper 40 into which the unsorted grains are roughly classified and the waste such as straw dust having a low specific gravity mixed in the introduced grains and the second and the like from the grains. Upstream side of the wind selection unit 50, which is provided with a wind selection unit 50, an air introduction path 60 for sending air to the wind selection unit 50, and a waste material discharge path 70 for discharging the separated waste materials to the outside of the machine. Is provided with a grain outlet 25, and a suction port 36 is provided on the downstream side of the wind selecting unit 50.

The hopper portion 40 is formed by a first partition plate 23a and a second partition plate 23b which are provided in an opening on the upper surface of the Karako 20 and which are inclined in opposite directions in a tapered state, and the inlet 22 at the lower end thereof is formed. Can be opened and closed by a shutter 21.

The lower end side of the second partition plate 23b has an inlet 22.
A net 24 that protrudes further downward and is inclined in the same direction is provided at the tip end thereof, and a grain flow path is formed by the third partition plate 23c provided on the lower surface of the first partition plate 23a. It is studded. Below the mesh 24, the partition wall 2 is provided.
6 are erected, and the partition wall 26 and the side wall of the Karako 20 are provided with a fourth partition plate 23d and a fifth partition plate 23e inclined in a zigzag shape.
And the sixth partition plate 23f is arranged to form a zigzag-shaped air introduction path 60, and the air intake ports 32a, 32a, and
32b is opened.

A guide port 27 for guiding No. 2 is formed between the upper end of the fourth partition plate 23d immediately below the net 24 and the lower end side of the seventh partition plate 23g, and the fourth partition plate 23d is formed. A switching valve 27a for opening and closing the guide port 27 is provided at the upper end of the.

From the lower surface of the upper end of the seventh partition plate 23g,
The guide plate 31 is arranged so as to surround the suction port 36 formed on the side wall of the 0, thereby forming a waste material discharge path 70 for guiding the waste material separated by the wind selecting unit 50.

Further, in the case of the present embodiment, the straightening vane 30 extending from the upper wall of the Karatsumi 20 to the vicinity of the suction port 36 is provided, and the wind force adjusting hole 28 is opened on the side wall of the Karatsumi 20 facing the straightening vane 30. The wind force adjusting hole 28 is provided with a wind force adjusting plate 29 for adjusting the amount of sucked air.
It is devised so that the air flow in the waste material discharge path 70 is adjusted so that the waste material can be smoothly discharged to the outside of the Karako 20 from the suction port 36.

If necessary, the storage tank 5 may be provided with a dust collector 5a to suck air from the storage tank 5.

Next, the operation of this embodiment will be described.

The motor 16A and the dual output gear motor 6 are activated to rotate the exhaust fan 16, rotate the induction cylinder 7 and the sorting net 2 at a low speed, and rotate the fried helix cylinder 3 at a high speed in the opposite direction. .

After that, the grains are put into the hopper portion 40 of the Karato 20 and the shutter 21 is opened, and the grains are dropped onto the net 24. In the wind selecting unit 50 on the net 24, waste such as straw dust and dust having a small specific gravity mixed in the grain is separated from the grain by the air flow from the air introduction passage 60 and sucked through the waste passage 70. It reaches the mouth 36 and is sucked into the exhaust chamber 9 through the suction duct 17. Further, when the No. 2 is mixed, the switching valve 27a is switched to open the guide port 27, guide No. 2 to the No. 2 take-out duct 33, and discharge it from the No. 2 outlet 34 to the outside of the machine. On the other hand, the grains having a large specific gravity fall against the air flow of the air introduction passage 60 formed in the zigzag shape by the fourth partition plate 23d, the fifth partition plate 23e and the sixth partition plate 23f, and the grain outlet 25 To the supply hopper 4. The dropped grains enter the supply cylinder 8, are guided downward by the guide blades of the guide cylinder 7, and are supplied into the sorting net body 2.

The grains supplied to the sorting net body 2 are splashed outward by centrifugal force while being fried by the spiral blade 3a of the fried helix cylinder 3 and are smaller than the mesh of the sorting net body 2. Small grain particles and waste particles having a particle size are discharged into the room between the sorting net body 2 and the shell body 1, enter the exhaust chamber 9 through the communication hole 11, and pass through the duct 18 together with the waste material sorted by the Karamoto 20. It is discharged to the outside.

On the other hand, a good grain having a particle size larger than the mesh of the sorting net body 2 is fried, enters the discharge chamber 1a, is discharged to the storage tank 5 by the scraping blade 12, and is stored therein.

[0029]

Since the present invention is configured as described above, it has the following effects.

For grains in which wastes having a small specific gravity such as straw waste and dust are mixed, the wastes are first separated from the grains by Kara Minoh, and the wastes do not enter the sorting net and go outside the machine. Is discharged. On the other hand, the cereals separated from the waste are put into the sorting net, and are separated into good grains and scrap grains while being fried, and only the good grains are stored in the storage tank, so that the good grains are not used. Never mix.

Further, since the air flow for the wind-picking of the Karato is covered by the exhaust fan of the exhaust chamber which is communicated with the shell, the Karato can be downsized and the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a vertical grain sorter of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a schematic cross-sectional view of Karato of the vertical grain sorter of FIG.

FIG. 4 is a sectional view of a conventional vertical grain sorter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shell 2 Sorting net 3 Lifting helix cylinder 4 Supply hopper 5 Storage tank 6 Two-output gearmotor 7 Induction cylinder 8 Supply cylinder 9 Exhaust chamber 10 Lower partition plate 11 Communication hole 12 Scraping blade 13 Upper partition plate 14 Support roller 15 Machine stand 16 Exhaust fan 16A Motor 17 Suction duct 18 Duct 19 Bearing 20 Karako 22 Inlet 24 Net 25 25 Grain outlet 26 Bulkhead 27 Inlet 27a Switching valve 28 Wind force adjusting hole 29 Wind force adjusting plate 30 Rectifying plate 31 Inducing plate 32a to 32c Air intake hole 33 No. 2 extraction duct 34 No. 2 outlet 36 Suction port

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Eishiro Takahashi 4290 Fujioka, Fujioka-machi, Shimotsuga-gun, Tochigi Prefecture Tiger Kawashima Co., Ltd.

Claims (3)

[Claims] 1. A shell body having an exhaust chamber communicating with a storage tank in an upper portion and an exhaust chamber having an exhaust fan in a lower portion, and a supply hopper disposed on the exhaust chamber in the shell body. A feed cylinder communicated with the guide cylinder, a guide cylinder concentrically arranged in the supply cylinder, a sorting net body arranged on the guide cylinder and rotating integrally with the guide cylinder, the guide cylinder, and In a vertical grain sorter, which comprises a fried helix cylinder rotatably disposed in a sorting net, and relatively rotates the guide barrel and the sorting net and the fried helix barrel to sort grains. Above the supply hopper that is in communication with the supply cylinder, a Kara-mino with a wind-screening section for separating waste with a small specific gravity mixed in grains is arranged, and the Kara-mino wind-screening section has an upstream side. The grain outlet provided in the is connected to the supply hopper, and is installed on the downstream side of the wind-screening section of the Karato. Vertical cereal sorters was air suction hole for sucking the is characterized in that it communicates with the exhaust chamber. 2. A wind force adjusting hole is formed at a position apart from the suction opening of the Karako, and a wind force adjusting plate for adjusting the amount of sucked air is provided in the wind force adjusting hole. The vertical grain sorter according to claim 1. 3. The vertical grain sorter according to claim 2, wherein a straightening vane for guiding the sucked air to the vicinity of the suction port is arranged in the vicinity of the wind force adjusting hole in the Karako. .