JP3664327B2 - Vertical grain sorter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a grain sorter that sorts grains such as rice and wheat based on the size of particles and removes waste grains such as crushed grains and small grains to obtain a sized particle.
[0002]
[Prior art]
As the grain sorter, there is a vertical grain sorter in which a sorting cylinder is erected vertically.
The sorting cylinder is provided with sorting holes having a certain sorting scale as a whole, and the sorting cylinder is replaced when the sorting scale is changed.
In addition, if the grain to be sorted contains a lot of small grains and the amount discharged as scrap grains is large, the sorting hole is clogged in a part of the sorting cylinder and the sorting rate is lowered to regulate the size. There is also a sorting rate adjusting means for increasing the yield.
[0003]
[Problems to be solved by the invention]
When the grain is sorted with a conventional vertical grain sorter, if the grain is good and there are few small grains and immature grains, the amount discharged as scrap grains is small, and the grain size is increased. When the grain is poor and there are many small grains and immature grains, the amount of waste grains is increased and the yield as a sized grain is reduced.
In order to prevent the yield as a result of the sizing, the amount of waste particles contained in the sizing is increased to some extent by using the sorting rate adjusting means. Various kinds of waste particles contained in the slab were included from relatively large to very small.
Therefore, in the present invention, when increasing the amount of waste particles mixed during the sizing in order to increase the yield as the sized particles, relatively large waste particles are mixed into the sized particles. It is an object to increase the yield as a good sized particle while mixing.
[0004]
[Means for Solving the Problems]
In the vertical grain sorting machine for sorting the sorting hole 2, 3 provided to supply grains into sorting cylinder 1 erected vertically on the peripheral surface of the screening cylinder 1 by leaking small debris particles, predetermined A regular sorting network A having a mesh sorting hole 2 and an auxiliary sorting network B having a mesh sorting hole 3 smaller than the sorting hole 2 are formed in a semi-cylindrical shape and combined to form a cylindrical sorting. A cylinder 1 was constructed.
[0005]
[Action and effect of the invention]
While being fed in the longitudinal direction of the sorting cylinder 1, waste grains having a diameter smaller than that of the sorting hole 2 or the sorting hole 3 leak out to the outside of the sorting cylinder 1 and are sorted. It will be.
When the grain is good and the number of waste grains is small, the waste grains leak little by little from the sorting screen A having a large sorting hole 2 and the regular regular size remains and is taken out. When there is a lot of waste particles, the amount of waste particles leaking out from the sorting holes 2 having a large mesh size increases, but there are also many waste particles remaining in the sorting cylinder 1 and the sorting particles 3 having a small mesh size. However, only the relatively large waste particles among the waste particles remain in the sorting cylinder 1 and are taken out as a sized particle.
[0006]
The amount of waste particles discharged from the sorting cylinder 1 depends on the length of the sorting cylinder 1 and the rotation speed of the sorting cylinder 1, but is allowed when selecting grains with many waste grains by appropriately selecting them. Therefore, it is possible to increase the yield by mixing relatively large waste grains into the sized particles within the sorting rate.
In addition, there are two types of punches for punching the selection holes, for example, 1.90 mm and 1.95 mm, and selection cylinders of three types of selection scales of 1.90 mm, 1.95 mm, and 1.925 mm. Can be created, management at the time of creation becomes easy, and the production cost can be reduced.
[0007]
【Example】
Next, embodiments of the present invention will be described with reference to the drawings.
Shown in FIG. 1 is a vertical grain sorting machine, the general structure is erected sorting cylinder 1 that Osamuhama the spiral 6 the inner portion of the square tube-shaped shell 5, the sorting cylinder 1 debris kernels supplied from feed chute 8 leading to the outside of the shell 5 to受粒tube 7 provided in the lower portion from the sorting hole 2, 3 provided in the sorting cylinder 1 while fried sent upward by the rotation of the helix 6 Grains are separated and sorted, and the sized particles are discharged from the outlet 9 at the top of the sorting cylinder 1 into the tank 10 projecting from the top of the shell 5 and stored. It is taken out from the grain outlet.
[0008]
The sorting cylinder 1 and the spiral 6 are rotationally driven by the motor 12 in the opposite direction at a speed about 4 to 5 times that of the sorting cylinder 1.
As apparent from the cross-sectional view of FIG. 2, the sorting cylinder 1 has a regular sorting network A having regular sorting holes 2 in a semi-cylindrical shape, and a sorting hole having a smaller scale than the sorting hole 2. A semi-cylindrical auxiliary sorting net B having 3 is combined to form a cylindrical sorting cylinder.
[0009]
In addition, in the grain sorter which sorts brown rice, it will be as follows when a sorting scale is explained concretely. For example, if the sorting hole 2 of the regular sorting net A is 1.95 mm and the sorting hole 3 of the auxiliary sorting net B is 1.90 mm, the waste particles sorted by the sorting cylinder 1 may be 1.95 mm or less. Although it is .90 mm or less, on average, it is the same as that selected by a sorting cylinder having a sorting hole of 1.925 mm.
This means that a 1.925 mm sorting screen and a 1.95 mm sorting screen can be made with a 1.925 mm sorting screen, and the punching die for punching the sorting holes is 1.90 mm and 1 Because it is possible to create sorting cylinders with three types of sorting scales of 1.95 mm, 1.95 mm and 1.925 mm with two types of .95 mm, the management at the time of creation becomes easy and the production cost is reduced It can be reduced.
[Brief description of the drawings]
FIG. 1 is an overall side sectional view showing an embodiment.
FIG. 2 is a plan sectional view of a part of the embodiment.
[Explanation of symbols]
1 sorting cylinder 2 regular sorting hole 3 small diameter sorting hole A regular sorting network B auxiliary sorting network

Claims (1)

Sorting holes provided in the peripheral surface of the grain supply this sorting cylinder (1) in the sorting cylinder provided upright perpendicularly (1) (2), vertical to select by leaking small debris particles from (3) in type grain sorter auxiliary sorting network having a regular sorting network (a) sorting hole of small eyes focus than Toko of sorting holes (2) (3) having a predetermined first case of sorting holes (2) (B) preparative, combined to form each semi-cylindrical, vertical grain sorter, characterized by being configured cylindrical screening tube (1).

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