KR0139050Y1 - A rice cleaning machine - Google Patents

Abstract

The present invention is an improvement of the rotor and the screen assembly constituting the milling device of the rice milling machine. In order to improve the netting effect, 24 screens are formed to approximate the cylindrical shape, and the screen assembly and the emery forming each side are alternately arranged. The grinding machine of the rice mill, characterized in that four grinding members are installed at opposite positions at equal intervals in the rotor rotating in the center with the width of the emery larger than the width of the assembly.

Description

Crusher of Rice Milling Machine

The present invention relates to a rice cleaning machine, and in particular, to improve the cutting ability by improving the structure of the rotor and screen assembly in a device which performs the peeling work to remove the skin of the grain and the milling and polishing work of the grain in a single process. The present invention relates to a milling device for rice milling.

In general, the rice polisher used in the prior art is to perform the peeling work, milling work and polishing work of rice grains, the work process is separated by a separate device.

However, such a device performs peeling only on the outer skin in the peeling machine, and when the non-skinned grain enters the milling and polishing stages in the process, the milling and polishing machines will be able to process rice grains without rice peeling. It becomes impossible.

In order to solve such a problem, a machine that can collectively process peeling, coating, and polishing has been developed, and such a machine has been disclosed in Korean Patent Publication No. 2079 as Publication No. 90-7862.

This is done by using a complex system in which several rice mills are assembled in parallel on the ground as in FIGS. 1 and 2 so that the polished grains are placed on the conveyor belt 110 through the ejectors and the grains to be polished are placed in the grain tank 30. From the conduit (32) to the hopper of the grain inlet (343) located at the bottom of the rice mill 100 to draw the dust such as bran in the rice mill to the exhaust conduit (36) to connect to the cyclone (40) The operation of each rice mill is first put rice into the grain inlet (343), turn on the electric switch and the vacuum pump switch, respectively, the motor 42 of the electric motor 34 and the cyclone 40 is rotated to operate the vacuum pump Initiate.

The rotational motion of the electric motor 34 is transmitted to the electric motor pulley 35, and this rotational force drives the driving pulley 45 through the belt 44, and the driving pulley 45 rotates when the driving pulley 45 rotates. The shaft 61 fixed to the shaft rotates accordingly.

A spiral grain feeding screw 62 is fixedly coupled to an upper end of the shaft 61, and a rotor assembly 63 is fixedly coupled to an upper end of the spiral grain feeding screw 62, and a corrugated lid is attached to an upper portion of the rotor assembly 63. Because 66 is fixedly coupled, these elements all rotate together.

At this time, since the emery material is applied to the front surface of the spiral rib of the spiral grain feeding screw 62 through the grain input hole 343, a substantial portion thereof is peeled off in the process of transferring the introduced rice upward.

When the rice grains arrive in the work space 68 formed between the rotor assembly 63 and the screen assembly 64, a substantial portion of the rice grains are already peeled off, and remain in the rice field in the work space 68. The peeled rice husks are completely peeled and the peeled rice husks are powdered and the rice flakes are stripped to make them powdered.

However, the embryo, an important nutrient attached to one side of the rice, is kept as adherent as possible.

In this work space 68, the abrasion action by the pressure contact between the rice and the rice and the emery inserts 69 and 67 and the friction action occurring between the rice and the rice occur together to completely peel off the rice. The peeled chaff is then powdered, milled and polished.

Polishing is made by the friction action between the rice and the screen assembly and the rotor of the rice milling machine acting in this way has a configuration as shown in FIG.

That is, the two emery inserts are installed at positions facing each other, and the outer screen assembly 64 has the screen member 65 and the emery insert 69 alternately installed, and the screen member 65 and the emery insert 69. (8) have almost the same width and are assembled by eight, respectively, by the frictional force between the emery insert 67 of the rotor 63 and the emery insert 69 of the screen assembly 64 when the rotor 63 rotates therein. The grain is refined.

However, this conventional device has a problem that the cylindrical screen assembly 64 is made of a structure that forms a 16-angle vortex occurs in the corner portion of the angle is not properly polished.

In other words, the net efficiency of rice milling machine is that the efficiency of the net is increased when the volume of the net and the end of the net are uniform.The net efficiency decreases when the volume is small at the starting point and increases at the end point. do.

Therefore, the starting point and the end point of the netting should be maintained uniformly, but the screen assembly is a polygonal shape that forms a 16-angle, it is impossible to maintain the starting point and the outer point uniformly.

The present invention is devised to solve the problems of the prior art as described above, the object of the present invention is the tip of the emery rotating the rotor as shown in Figure 4 C and around the center of the rotor O and Draw a trajectory with a radius of R through R, then pass the center point O and orthogonal to one side AB on the inner surface of the whitewashed room. P is the Q. The distance from the center point to the point P is Q. ∠AOB is β, ½ of that angle. Assuming that 를 POB is α and the distance difference between the outer surface of the screen assembly and the emery tip of the rotor is W1, W2,

W1 = Q-R, W2 = S-R = Q / Cosα-R

Therefore, the difference between W1 and W2 above

W2-W1 = (Q / Cosα-R)-(Q-R) = Q / Cosα-Q

As shown in the above formula, the value of W2-W1 decreases as AOB decreases. Therefore, the interior of the white room should be diversified. Therefore, the screen assembly is diversified to reduce the distance from the center point of the rotor to the screen assembly. To improve the netting effect by reducing the and to provide a rice milling device that can increase the net efficiency by increasing the number of emery, the continuous member of the rotor that rotates inside.

The present invention for achieving the above object is to form a screen assembly with 24 angles to approximate the cylindrical, but alternately arrange the screen assembly and the emery constituting each side, but the width of the emery larger than the width of the screen assembly to rotate in the center The rotor is characterized in that four grinding members are installed at symmetrical positions at equal intervals.

1 is a schematic representation of a rice milling system.

2 is a cross-sectional view of the rice mill system.

Figure 3 is a cross-sectional view of the rotor and the screen assembly assembled in the conventional milling machine.

4 is a correlation diagram of the rotor and the screen assembly of the rice mill.

Figure 5 is a cross-sectional view of the rotor and the screen assembly used in the present invention rice mill assembled.

* Explanation of symbols for main parts of the drawings

10: screen assembly 15: emery insert of the screen assembly

20: rotor 25: emery insert of the rotor

Hereinafter, described in detail with reference to the accompanying drawings, the milling apparatus of the rice mill according to the present invention.

Figure 5 is a cross-sectional view of the rotor and the screen assembly is used in the present invention rice mill assembled.

As shown in FIG. 5, the rice polishing machine according to the present invention includes an emery insert 15, which is a grinding member, on the inner surface of the outward protrusion formed at equal intervals on the screen frame 12 of the screen assembly 10. As shown in FIG. The emery insert 15 is fixedly installed, but the surface of the emery insert 15 is slightly larger than that of the screen assembly 17. The rotor 20 rotating therein is provided with four emery inserts 25 at equal intervals at opposite positions. It is fixedly installed.

In the present invention configured as described above, the emery insert 25 of the rotor 20 and the emery insert 15 of the screen assembly 10 are spaced apart from each other, but when the center rotor 20 rotates, the emery insert is inserted. The frictional force of the sieve 25 exerts a frictional force on the rice grains and at the same time generates a friction force between the rice grains, and the rice grains are rotated while friction with the emery insert 15 protruding into the outside of the screen assembly 10 outside. Work, painting and polishing work.

At this time, four emery inserts 25 attached to the rotor 20 are installed, and the number of emery inserts 25 installed on the screen assembly 10 is large, so that the friction surface of the emery inserts is increased. The frictional area of the screen assembly can be increased to double the efficiency, and the angle formed between the screen area and the emery insert of the screen assembly 17 is approximated to the round as a wide angle, thereby suppressing the generation of vortices on the bent surface, thereby enhancing the netting effect. It becomes possible.

As described above, since the friction surface of the emery insert is increased, the present invention can increase the frictional efficiency with the grain of rice, thereby increasing the milling efficiency.

Claims (2)

In the rotor and the screen assembly constituting the whitening chamber of the vertical milling machine, the screen assembly is alternately provided with a screen member and an emery insert, which is composed of a 24-angle so as to approximate a circle, but is opposed to the rotor that rotates inside at equal intervals. A rice milling device, characterized in that four emery inserts are protruded in position. The rice milling apparatus of claim 1, wherein the screen assembly has a width of the emery insert larger than the width of the screen member.