KR20150098778A

KR20150098778A - A Grain grinder

Info

Publication number: KR20150098778A
Application number: KR1020140020085A
Authority: KR
Inventors: 조성식
Original assignee: 조성식
Priority date: 2014-02-21
Filing date: 2014-02-21
Publication date: 2015-08-31

Abstract

The present invention relates to a grain grinder comprising: a first main body having an upper and a lower hopper; a pair of crushing rollers formed inside the first main body to crush grain; a second main body coupled to the lower hopper; and a pair of crushing rollers formed inside the second main body to crush the crushed grain. One crushing roller is further formed inside the first main body and a shaft of the crushing roller is formed to be tilted downward from the upper hopper. The crushing rollers of both sides among the crushing rollers perform high-speed rotation, and the central crushing roller performs low-speed rotation. An arc-shaped convex unit and an arc-shaped concave unit are continuously formed in the crushing roller, and the convex unit and the concave unit are engaged to be spaced by a predetermined distance from the convex unit and the concave unit of the adjacent crushing roller. An outer surface of the crushing roller has a plurality of protrusions in order to have a longer crushing area than the existing crushing roller to more improve crushing and grinding efficiency.

Description

Grain grinder {A Grain grinder}

More particularly, the present invention relates to a grain grinder, and more particularly, to a three-shaft crushing roller so that the middle crushing roller rotates at low speed and the crushing roller at both sides rotates at high speed, The primary crushing by the crushing roller at the left side and the crushing roller at the center and the crushing by the crushing roller at the center and the crushing roller at the right by the primary crushing are performed, Wherein the concave and convex portions are continuously formed on the crushing roller and the concave and convex portions are engaged with the concave and convex portions of the adjacent crushing roller so as to be spaced apart from each other by a predetermined distance, Since a plurality of protrusions are formed on the outer surface of the crushing roller, the crushing area is longer than that of the conventional crushing roller, The present invention relates to a grain grinder for improving the quality of a grain.

Generally, a grain crusher is a device for crushing various kinds of cereals such as corn, rice, barley and the like, and it is mainly provided with a pair of crushing rollers which are interlocked with each other to rotate the crushed cereal crusher.

In order to finely grind grain, a crushing operation must be performed first. A grain crusher (a utility model publication 20-1995-5771) has been disclosed in which a crushing operation and a crushing operation are simultaneously performed to improve crushing efficiency .

1, a first hopper 20 and a second hopper 40 having upper and lower lids 22 are disposed in a main body 100 of the body, A pair of spur gear rollers 30 and a planar roller 40 are disposed in the center of the flat roller and a plurality of rollers 60 are provided around the center of the flat roller 40, (70) in the lower part of the roller (60), and the upper and lower parts of the first and second hoppers are connected to the chain (C1, C2) and the spur gears (G1, G2) The guide piece 14 having the hole 12 is fixed and the cut piece 13 positioned in the hole in accordance with the pulling of the operation rod 11 on the front face of the main body and stopped by the stopper 15, And a shift knob 90 is provided on one side of the main body and a foot master wheel 80 is provided on the bottom side of the main body.

However, in the conventional grain grinder described above, since the length of the crushing surface (or the crushing surface) is limited to the length of the crushing roller (or the crushing roller), the amount of crushing the crushed material while passing through the crushing surface is shortened, There was a problem of lengthening.

Meanwhile, since the above-described grain-type crusher of the roller type is designed to crush and crush the grains through a pair of rollers having different rotational speeds, the grain to be passed between the rollers has different rotational speeds The crushing efficiency is deteriorated due to the crushing while passing through the roller between the rollers, and the number of grains to wait to be crushed on the rollers is increased, and at the same time, the rollers are rotated, Of the grains are pushed or scattered to both sides of the roller and fall down to the floor.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to solve the problems described above by providing a breaking roller having three shafts, The primary crushing by the crushing roller at the left side and the crushing roller at the center and the crushing by the crushing roller at the center at the center and the crushing roller at the center by the crushing roller at the right side, The concave portion and the convex portion are continuously formed on the crushing roller and the concave portion and the convex portion are engaged with the concave portion and the convex portion of the adjacent crushing roller so as to be spaced apart from each other by a predetermined distance, Since a plurality of protrusions are formed on the outer surface of the crushing roller, the crushing area is longer than that of the conventional crushing roller, So that it is possible to further improve the yield of the grain crusher.

According to an aspect of the present invention, there is provided a grain grinder including: a first body having upper and lower hoppers; A pair of crushing rollers formed inside the first body for crushing the grain; A second body coupled to the lower hopper; And a pair of crushing rollers formed inside the second main body for crushing the crushed grains, wherein a single crushing roller is further formed inside the first main body, The shaft is formed to be inclined downwardly from the upper hopper; The crushing rollers on both sides of the crushing roller rotate at a high speed and the crushing roller at the center makes a low-speed rotation; The concave portion and the convex portion are engaged with the concave portion and the convex portion of the adjacent crushing roller so as to be spaced apart from each other by a predetermined distance, and a plurality of projections are formed on the outer surface of the crushing roller Is formed.

Further, on the upper portion of the crushing roller, a pair of adjustment plates on the right and left sides are inclined in the same direction as the crushing roller.

In addition, the crushing rollers on both sides are configured such that the position of the shaft is adjusted by the gap regulator.

In addition, an air inlet is formed at one side of the first body located at the lower part of the crushing roller, and air is supplied to the air inlet so that the internal dust of the first and second bodies flows into the bag filter.

As for the effect of the present invention,

First, the crushing roller is constituted by three shafts so that the middle crushing roller rotates at a low speed and the crushing rollers at both sides rotate at a high speed. The axis of the crushing roller is inclined downward from the feeder feeder, Primary crushing by the central crushing roller and grains which can not be digested by the primary crushing are subjected to secondary crushing by the central crushing roller and the right crushing roller to prevent atmospheric grains from being pushed to both sides of the roller .

Second, the crushing roller is continuously formed with a concave portion and a convex portion, and the concave portion and the convex portion are engaged with the concave portion and the convex portion of the adjacent crushing roller so as to be spaced apart from each other by a predetermined distance. So that the crushing area is longer than that of the conventional crushing roller, thereby further improving the crushing and crushing efficiency.

Third, at the upper part of the crushing roller, a pair of adjustment plates are formed to be inclined in the same direction as the crushing roller, and the position of the crushing roller can be adjusted to adjust the amount of grain supplied to the crushing roller.

Fourth, the crushing rollers on both sides are adjusted by the interval adjuster so that the interval between the crushing rollers can be adjusted according to the type of grain.

Fifth, an air inlet is formed at one side of the body located at the lower part of the crushing roller, and air is supplied to the air inlet so that the dust inside the body can be easily removed by the bag filter.

1 is a side cross-sectional view of a grain crusher according to the present invention.
Figure 2 - Front section view of the grain mill according to the invention.
Figure 3 - is a perspective view showing the crushing roller of a grain crusher according to the present invention.
Fig. 4 is a use state reference diagram of the present invention. Fig.

The above and other objects, features, and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

A grain grinder (1) according to the present invention comprises: a first body (10) having upper and lower hoppers (11, 12); A pair of crushing rollers (20, 21) formed inside the first body (10) for crushing the grain; A second body 30 coupled to the lower hopper 12; And a pair of crushing rollers (40, 41) formed inside the second main body (30) for crushing the crushed cereals, wherein the one crusher Further comprising a crushing roller (22), the shafts of the crushing rollers (20, 21, 22) being formed to be inclined downwardly from the upper hopper (11); The crushing rollers 20 and 22 on both sides of the crushing roller rotate at a high speed and the crushing roller 21 at the center rotates at a low speed; The concave portion 20a and the convex portion 20b are continuously formed in the crushing rollers 20, 21 and 22, and the concave portion 20a and the convex portion 20b are continuous with the concave portion of the adjacent crushing roller And a plurality of protrusions 20c and 20d are formed on the outer surfaces of the crushing rollers 20, 21 and 22, respectively.

Driving means (motor, pulley, belt, etc.) for driving the crushing rollers 20, 21, 22 and the crushing rollers 40, 41 are well known in the art and will not be described.

As shown in FIG. 1, the crushing rollers 20, 21 and 22 are formed in three pieces and are inclined downward in the right direction. The reason for this is that from the feeder 11a provided at the lower part of the hopper 11, Is supplied in a fixed amount, the amount of the supplied grain is larger than that of the conventional one, and the crushing of the grain is performed in a short time.

That is, the grain fed from the feeder feeder 11a is firstly crushed by the left crushing roller 20 and the center crushing roller 21, and the grains moved downward along the ramp of the crushing roller 20, It is possible to prevent the atmospheric grains from being pushed to both sides of the crushing rollers 20 and 22 because the crushing roller 21 and the right crushing roller 22 are crushed secondarily.

In order to control the amount of tearing of the first and second crushing parts, a pair of adjustment plates 13 and 14 on the left and right sides of the crushing rollers 20, 21 and 22 are inclined in the same direction as the crushing roller .

Of course, guide holes are formed in the first body 10 in an oblique direction for the movement of the adjustment plates 13 and 14, and the adjustment plates 13 and 14 are moved to the left and right along the guide holes, It is a matter of course that it is fixed to the first main body 10. [

In order to maximize the crushing efficiency of the crushing rollers 20, 21 and 22, the crushing rollers 20, 21 and 22 are provided with arc-like recesses 20a as shown in FIGS. 2 to 3, The concave portion 20a and the convex portion 20b are engaged with the concave portion and the convex portion of the adjacent crushing roller so as to be spaced apart from each other by a predetermined distance and the crushing roller 20, 22 are formed on the outer surface thereof with a plurality of projections 20c, 20d.

The protrusions 20c located on the outermost sides of the crushing rollers 20, 21 and 22 are formed to be relatively larger than the protrusions 20d located on the slopes so that the crushing efficiency is maximized.

As shown in FIG. 1, the crushing rollers 20 and 22 on both sides are configured to adjust the position of the shaft by the gap adjuster 15, 22).

An air inlet 16 is formed at one side of the first body 10 located at the lower portion of the crushing roller 20 and air is supplied to the air inlet 16 to form the first and second bodies 10, Is introduced into the bag filter.

Although the present invention has been described with reference to the exemplary embodiments, it is to be understood that the present invention is not limited to the disclosed exemplary embodiments, and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.

Description of the Related Art [0002]
1: Inventive grain crusher
10: first main body 11, 12: hopper
13,14: Adjustment plate 15: Spacer
16: air inlet 20, 21, 22: crushing roller
20a: concave portion 20b: convex portion
20c, 20d: projections 30: second body
40, 41: Crushing roller

Claims

A first body (10) having upper and lower hoppers (11, 12); A pair of crushing rollers (20, 21) formed inside the first body (10) for crushing the grain; A second body 30 coupled to the lower hopper 12; And a pair of crushing rollers (40, 41) formed inside the second main body (30) for crushing crushed grains, the crusher comprising:
Wherein one of the crushing rollers (20, 21, 22) is formed so as to be inclined downwardly from the upper hopper (11); The crushing rollers 20 and 22 on both sides of the crushing roller rotate at a high speed and the crushing roller 21 at the center rotates at a low speed; The concave portion 20a and the convex portion 20b are continuously formed in the crushing rollers 20, 21 and 22, and the concave portion 20a and the convex portion 20b are continuous with the concave portion of the adjacent crushing roller And a plurality of protrusions (20c, 20d) are formed on an outer surface of the crushing roller (20, 21, 22) so as to be spaced apart from the convex portion by a predetermined distance.

The method according to claim 1,
Wherein a pair of adjustment plates (13, 14) are inclined to the upper side of the crushing rollers (20, 21, 22) such that the pair of adjustment plates (13, 14) are inclined in the same direction as the crushing roller.

The method according to claim 1,
Characterized in that the crushing rollers (20, 22) on both sides are configured to adjust the position of the shafts by means of a gap adjuster (15).

The method according to claim 1,
An air inlet 16 is formed at one side of the first body 10 located at the lower part of the crushing roller 20 and air is supplied to the air inlet 16 to supply the air to the first and second bodies 10, Wherein the internal dust is introduced into the bag filter.