JPH02154616A - Vertical type grain grading machine - Google Patents

Abstract

PURPOSE:To prevent penetration of fine powder of bran, etc., into the above machine by providing a fine powder discharging fan having overlapped bottom plate of grains-lifting spiral body with space on the bottom plate of grain particle-inducing cylinder and rotating in the space. CONSTITUTION:Unselected grain particles fed from a supply hopper into a grain partice-receiving cylinder 20 provided in the base of a grain-lifting spiral body 14 is pushed and sent downward by a grain particle-inducing fan 35 and scraped and lifted by a grain-lifting spiral body 14 and subjected to selection action by a selection net body and small grain particles are eliminated outside and good grain particles are elevated and sent out outside. A fine powder discharging fan 38 rotating integrally with the grain-lifting spiral body 14 in space S is provided and penetration of a fine powder of bran, etc., tried to penetrate into between space of a bottom plate 37 of induction cylinder and bottom plate 14a of spiral body is prevented and the powder is discharged by the fine powder discharge fan 38. Smooth feed of the grain particles scraped and lifted by a spiral fan 13 and grain particles fed from the supply hopper is carried out without mutually interfering.

Description

Detailed Description of the Invention "Industrial Application Field" The present invention houses a rotatably driven sorting net body in a vertically elongated shell and a fried grain spiral body that rotates within the sorting net body. This invention relates to a vertical grain sorting machine in which grains are fried by a spiral body, and small grains are sorted by passing through 11 small holes.

``Prior art'' In order to feed grains effectively, a grain guide is connected to the lower end of the sorting net and rotatably installed to rotate integrally around the outer periphery of the grain frying spiral, and introduces grains into the base. A grain guiding cylinder has a mouth, a grain guiding cylinder is equipped with winding guide blades around the outer periphery that push down the grains and guide them to the grain guiding port, and a tapered part with a base shape of an inverted truncated cone. A vertical grain sorting machine that surrounds a grain guiding cylinder, receives grains from a supply hopper outside the shell, and supplies the grains to the grain guiding port of the grain guiding cylinder at the bottom of the shell. Proposed.

In such a vertical grain sorter, the L of the guide tube bottom plate that closes the bottom of the grain guide tube is overlapped with the helical bottom plate that closes the bottom of the grain lifting helix with a gap, and 1J4a is a relative Because they rotate, they were made to face each other with as small a gap as possible.

[Invention or problem to be solved] However, in such a vertical grain sorter, although the gap between the guide tube bottom plate and the spiral bottom plate is small, it is difficult for fine powder such as bran to get in. If maintenance is neglected, a small amount may become clogged in the gaps over many years, increasing the forward rotation load, rotting bran, or attracting insects, so frequent disassembly and cleaning is required. However, there were problems in that it was complicated and had poor maintainability.

The present invention was made by focusing on such conventional problems, and by adding a simple means, it is possible to prevent the formation of rot, insect infestation, etc. without leaving bran etc. in the gaps. Our 11th objective is to provide a vertical grain sorter with excellent maintainability.

``Means for Solving the Problems'' The gist of the present invention to achieve the above object is to provide a rotationally driven sorting system, a net body and the sorting body within a vertically elongated shell.
A vertical type in which a grain hoisting spiral body that rotates within the net is installed and housed, the grains are fried by the grain hoisting spiral, and small grains are sorted by passing through the small holes of the sorting 1 net body. In the grain sorting machine, a grain guide is rotatably installed in the lower part of the shell body so as to be connected to the lower end of the sorting body and rotate together with the outer periphery of the grain lifting spiral body, and to introduce grains into the base. It has a grain guiding cylinder having a mouth, a grain guiding cylinder having a winding guide blade around its outer periphery that pushes grains down and guides them to the grain guiding port, and a tapered part having an inverted truncated conical base shape. a grain receiving cylinder that surrounds the grain guiding cylinder, receives grains from a supply hopper outside the shell, and supplies the grains to the grain guiding 11 of the grain guiding cylinder; A vertical type characterized in that a spiral bottom plate that closes the bottom of the grain-frying spiral body overlaps L of the guide cylinder bottom plate that closes the bottom of the body with a gap, and a fine powder discharge fan that rotates within the gap is provided. Exists in grain sorting machines.

"Action" Feed unsorted grain into the feed hopper and start the vertical grain sorter.

The unsorted grains fed from the supply hopper are placed in the grain receiving cylinder provided at the base of the grain lifting spiral, and are guided by a grain guiding cylinder of approximately the same diameter that rotates in the same direction as the sorting net. The grains are pushed downward by the blades and are fed from a plurality of grain guiding ports provided on the lower circumferential surface of the grain guiding cylinder to the starting end of the grain lifting spiral body which rotates in the opposite direction to the sorting 1 net. be done.

The grains raked up by the grain lifting spiral are thrown outward and subjected to the sorting action by the first sorting net, and the small grains pass through the small holes of the sorting net and are ejected out of the sorting net. Good grains that do not pass through the sorting net are lifted up and sent to the outside.

The unsorted grains fed from the supply hopper are pushed down by the grain guiding blades and are introduced from the grain guiding blades, so that the grains scraped up by the spiral blades of the grain lifting helix and the grains that are raked up by the spiral blades of the grain lifting helix are separated from the grains into the feeding hopper. The grains supplied from the feeder do not interfere with each other and are fed smoothly, making it possible to obtain a sufficient amount of grains to be fed.

Fine particles such as bran that try to enter the gap between the guide cylinder bottom plate and the spiral bottom plate are prevented from entering by the bran discharge fan, and even if they do enter, they are discharged.

"Example" An embodiment of the present invention will be described below based on two drawings.

1 to 4 show an embodiment of the present invention.

As shown in Figures 3 and 4, the vertical grain sorter lO
includes a grain-floating spiral body 14 formed by winding a spiral blade 13 around the outer periphery of a cylindrical body 12 in a vertically erected outer shell body 11; A sorting net 16 having a large number of small holes 15 is housed therein.

The grain lifting spiral body 14 and the sorting and netting bodies 16 are driven to rotate in the opposite direction to the crab by a motor 18 with a speed reducer installed at the bottom of a base plate 17 that partitions the inside of the outer shell 11 into L and below. Ru.

Outside the outer shell body 1, there is a supply hopper 1 for supplying unsorted grains.
There are 9 storage tanks in the head for temporarily storing the refined grains.

On one surface of the base plate 17, a grain receiving cylinder 20 is erected, which has a cylindrical shape and a tapered part 21 having a truncated conical bottom. 22, and a cylindrical peripheral edge elevation 22a. The supply hopper 19 has an opening 19a near the center of the grain receiving cylinder 20.
have.

On the other hand, in the F section of the sorting net 16, there is a grain guiding cylinder 3 having approximately the same diameter.
It is provided to be detachable from the lower end of the 0 or sorting 1w4 body 16.

One end 31 of this grain guiding cylinder 30 is used for sorting, netting 1
The end ring member 16a of the sorting net 16 has an engaging notch for driving the grain guiding cylinder 30. 16b is engraved. A partition disk 32 is fixed horizontally on the outer periphery of the grain guide cylinder 30 on the other side, and an engagement notch 16 is provided.
A plurality of locking members 33 are disposed to lock onto b.

The partition disk 32 has a circular outer periphery, and is in sliding contact with the gasket 23 on the peripheral edge 22 of the grain receiving cylinder 20 formed in water, and the outer periphery is the same as the inner periphery of the peripheral table 2 surface 22a of the grain receiving cylinder 2o. It is made up of the following sizes. In addition, the engaging member 33 engages with the engaging notch 16b of the sorting net 16, and transmits the information to the rotary grain guiding cylinder 30 of the sorting net 16, as shown in "L". The small grains that have passed through the 16 small holes 15 and fallen are discharged to the outside from the small grain discharge pipe 11a.

A plurality of grain guides "1" are provided at the lower end of the grain guide cylinder 30.
34.34... has been drilled. The upper edge line 34a of these grain guides [134]
The opening in the opening 19a is provided far away from one edge of the first part 19a.

Further, a plurality of grain guiding blades 3 having starting ends close to the upper edge line 34a of each grain guiding port 34 and facing downward during rotation are provided.
5 is provided. A bottom plate 37 that closes the bottom of the grain guiding cylinder 30 is placed on the bottom 20a of the grain receiving cylinder 20 via a packing 36 so as to be slidable during rotation.

As shown in FIGS. 1 and 2, the center of the bottom plate 37 is rotatably fitted into the boss 18a of the motor 18 with a speed reducer, and the bottom of the grain-frying helix 14 is closed to the L of the bottom plate 37. % 4+) through the bottom plate 14a or the gap S. The bottom plate 14a is solidly and pivotally supported by an output shaft 18b of a motor 18 with a speed reducer.

The gap S has a space in the center and a grain-fried spiral 1 in the outer periphery.
4 and the grain guiding cylinder 30.
It is connected by l.

A fine paddy discharge fan 38 is provided in the gap S, which is pivotally connected to the boss 18a of the motor 18 with a speed reducer and rotates integrally with the lifting fi spiral body 14.

The fine powder discharge fan 38 has a fin 38b on the outer periphery of a base plate 38a that contacts the lower surface of the bottom plate 14a.

38b..., and the center of the base plate 38a has a polygonal pivot hole 3 that fits into the boss 18a of the motor 18 with a reducer
8c is drilled.

Next, the effect will be explained.

When the vertical grain sorter 10 is started by supplying unsorted grains to the supply hopper 19, the grain guiding cylinder 3o slowly rotates together with the sorting net body 16, and the grain guiding blades 35 move toward the receiving end of the supply hopper 19. The grains fed from the opening 19a in the grain cylinder 2o are pushed downward. Along the tapered part 21 of the grain receiving cylinder 20, the grains are transferred from the grain 1'A inlet 34 to the grain guiding cylinder 3o.
pushed inside.

Inside the grain guiding cylinder 30, a grain lifting spiral 14 rotates at high speed in the opposite direction to scrape up grains, and a sorting net 16
The small holes 15 are used for sorting. That is, the small hole 15
The small grains that have passed through are sorted and fall through the space between the outer periphery of the IP body 16 and the inner wall of the outer shell body 11.

The fallen small grains try to accumulate on the surface of the partition disk 32 provided on the outer periphery of the grain guiding cylinder 30, but the partition disk 32 rotates together with the sorting and mesh body 16. ,
The small grains are splashed outward and are discharged to the outside from the small grain discharge pipe 11a.

On the other hand, good grains that do not pass through the small holes 15 of the sorting net 16 are fried upwards, although some of them repeatedly fall.
They are planted in a storage tank (not shown).

The opening part 19a of the supply hopper 19 is directly connected to the grain frying spiral body 1.
4, and since the grain 1''A inlet 34 is provided considerably below this opening 19a, the fried grain 11! In addition to the effect of the inclination of the tapered portion 21 of the grain cylinder 20, smooth grain feeding is achieved, and a 1-minute feeding rate is obtained.

Even if the sorting work is nearing completion and the amount of grain supplied from the supply hopper 19 decreases, the grain receiving tube 2 of the supply hopper 19
The opening 19a at 0 is opened higher than the grain guiding port 34 and does not open directly into the grain lifting spiral 14, so that the grains are not bounced back by the grain lifting spiral 14 and are finally received. It is fed into the cylinder 20.

During the sorting operation, the unsorted grains supplied from the supply hopper 19 are moved from the opening section 19a of the supply hopper 19 to the tapered section 21 of the receiving grain i, 320 by the grain guiding blades 35 of the grain guiding cylinder 30. While the grains are pushed into the grain guide tube 30 through the grain guide port 34, fine powder such as bran is removed between the bottom plate 37 of the grain guide tube 30 and the bottom plate 14a of the fried grain spiral body 14. An attempt is made to enter the gap S through the slint Sl.

Inside the gap S, the fine powder discharge fan 38 rotates together with the sorting net 16, and the fins 38b cause convection in the waste, allowing air to pass through the gap S and into the slit SL.
Therefore, the fine powder that tries to enter is blown out and is prevented from entering, and even if it does enter, the fine powder will not accumulate inside the gap S or inside the slit SL. do not have.

Incidentally, although the fine powder discharge fan 38 is shown as a separate part in the above embodiment, it goes without saying that fins may be fixedly installed 1 m below the bottom plate of the floating spiral body.

"Effects of the Invention" According to the vertical grain sorting machine according to the present invention, a discharge fan is provided in the gap between the bottom plate of the grain guiding cylinder and the bottom plate of the grain frying spiral, so that bran, etc. that try to enter the gap can be removed. Prevents fine powder from entering,
In addition, since the fine powder that has entered is discharged, there is hardly any fine powder such as bran remaining in the gaps, and there is no malfunction due to increased load, rot or piles due to residual fine powder, and cleaning etc. This reduces the frequency of maintenance, making it an easy-to-use vertical grain sorter.

[Brief explanation of the drawing]

Figures 1 to 4 show one embodiment of the present invention.
The figure is a cross-sectional view showing the assembly of the grain receiving cylinder, sorting 1 mesh and lifting shell spiral of the vertical grain sorter, Figure 2 is a perspective view of the fine powder discharge fan, and Figure 3 is the vertical grain sorter. FIG. 4 is a cross-sectional view of the lower part taken along a vertical plane, and FIG. 4 is a perspective view of the base of the sorting net and the grain guiding cylinder. 10... Vertical grain sorter 11... Outer shell 14.
...Grain frying spiral body 14a...Bottom plate 16...Sorting net body 19a...Opening part 20a...Bottom part 30 of grain receiver tube...Grain guiding cylinder 33...Part 1hi'fl material 35... Grain guiding vane 37... Bottom plate 19... Supply hopper 20... Grain receiving cylinder 21... Taper portion 32... Partition disk 34... Grain guiding port 36...・Patsukin 38...Fine powder discharge fan (phantom figure 3)

Claims (1)

[Scope of Claims] 1 A rotatably driven sorting net and a grain frying spiral body rotating within the sorting net are erected and housed in a vertically elongated shell, and the grains are fried by the grain frying spiral. In a vertical grain sorting machine in which small grains are sorted by passing through small holes in a sorting net, a lower part of the shell is connected to a lower end of the sorting net and the grain is lifted into a spiral body. It is rotatably erected so as to rotate integrally on the outer periphery, has a grain guide port at the base for introducing grains, and is equipped with winding guide blades around the outer periphery that push down the grains and guide them to the grain guide port. a grain guiding cylinder having a base shape of an inverted truncated cone, the tapered part surrounding the grain guiding cylinder and receiving grains from a supply hopper outside the shell body, the grain guiding cylinder a grain receiving cylinder for supplying the grain to the grain guiding port, and a spiral bottom plate for closing the bottom of the grain frying spiral body is superimposed with a gap on a guiding cylinder bottom plate for closing the bottom of the grain guiding cylinder. A vertical grain sorting machine characterized by being provided with a fine powder discharge fan that rotates within the gap.