CN110753582A

CN110753582A - Rice mill

Info

Publication number: CN110753582A
Application number: CN201880038940.6A
Authority: CN
Inventors: 李焌世
Original assignee: Bressin Co Ltd
Current assignee: Bressin Co Ltd
Priority date: 2017-07-06
Filing date: 2018-07-04
Publication date: 2020-02-04
Also published as: WO2019009623A3; KR20190005422A; KR102014323B1; WO2019009623A2

Abstract

The invention relates to a rice mill, as a rice mill processed by a milling machine, characterized by comprising: a main body consisting of a hopper into which rice is injected at the top of one side and a discharge part for discharging processed (milled) rice at the other side; a cover installed inside the main body to firmly support a load as a cover of a case constituting the main body; and a processing device horizontally installed inside the housing, wherein as the rice put into the hopper is cut by the rotary friction, the rice pulp layer adhered to the rice is removed, and the rice is processed (milled), thereby improving the processing efficiency of the rice.

Description

Rice mill

Technical Field

The present invention relates to a rice mill, and more particularly, to a rice mill for processing rice milling.

Background

In general, a machine for turning rice or brown rice into low-grain rice or white rice is generally called a mill.

Rice processed from a rice mill by which the processing is performed is subjected to a treatment step to remove cuticle (rice bran) and germ.

However, the conventional rice mill removes rice bran using a vertically rotating shaft, and since the vertical rice mill is highly influenced by gravity, there is a problem in that the distribution of input of rice is not uniform throughout the whole milling process part of rice from the top to the bottom of the rotating shaft.

Further, not only the vertical rice mill of this type but also a horizontal rice mill using a horizontal rotation shaft is used, but a specific structure and an inclination angle of a processing apparatus for efficiently removing a rice milk layer (rice bran) cannot be provided, and therefore, not only the rice milk layer (rice bran) attached to the rice but also a white rice portion of the rice is cut, thereby causing a problem of excessive cutting.

This over-cutting phenomenon is a factor causing a great reduction in rice quality, and as a result, consumer complaints are increasing. Of course, in addition to the reduction in rice quality, the processing throughput of rice is also decreasing.

Disclosure of Invention

Technical problem to be solved

The present invention has been made in view of the above problems, and an object of the present invention is to provide a rice mill capable of improving processing efficiency and efficiency of removing a rice slurry layer (rice bran) from processed rice.

Technical scheme

In order to achieve the above object, a rice mill according to the present invention is a rice mill processed by a milling machine, comprising: a main body consisting of a hopper into which rice is injected at the top of one side and a discharge part for discharging processed (milled) rice at the other side; a cover installed inside the main body to firmly support a load as a cover of a case constituting the main body; and a processing device horizontally installed inside the housing, as the rice put into the hopper is cut by the rotational friction, a layer of rice pulp adhered to the rice is removed, and the rice is processed (milled).

The processing device comprises: a mesh net fixedly installed inside the cover to cut a rice milk layer (rice bran) attached to the rice and to discharge the rice milk layer (rice bran) separated from the rice toward the cover; and a grinding shaft rotatably mounted horizontally in the mesh net, for moving the rice fed into the hopper to a processing (grinding) section by rotation, and for peeling off a rice milk layer (rice bran) from the rice moved to the processing (grinding) section.

The mesh net has an octagonal structure in appearance, and further includes a plurality of abrasive holes formed along the entire surface as holes penetrating from the inside to the outside.

The grinding holes are rectangular in shape to effectively remove a layer of rice milk adhered to rice, and are inclined within an inclination range of 23 ° with respect to a horizontal line of the mesh net.

The grinding shaft further comprises: a screw rod which is formed at one side part and moves the rice fed into the hopper to a processing (grinding) processing area; a grinding head protruding from the other side at a predetermined torsion angle and cutting a rice milk layer attached to rice by rotation; and a second blowing hole formed in the adjacent portion of the polishing head so as to penetrate the entire length of the polishing head, thereby collecting a rice milk layer separated from rice.

Further comprising a center shaft rotatably installed inside the grinding shaft, a first blowing hole for blowing wind toward the second blowing hole being formed at the center shaft, the first blowing hole being formed to maintain a predetermined distance from the other side portion of the center shaft and being twisted in the same manner as a twisting angle of the second blowing hole.

Based on vertical and horizontal lines drawn as virtual lines from the center of the mesh net, holding protrusions are distributed on the inner face of the mesh net in the order of C section > B section > A section > D section corresponding to the third quadrant, the second quadrant, the first quadrant, and the fourth quadrant, respectively.

Advantageous effects

As described above, according to the present invention, the rice processed by the rice mill is thrown, so that the peeling removal rate of the rice milk layer (rice bran) attached to the rice can be improved, and the best quality of white rice can be obtained.

In addition, according to the present invention, since the rice milk layer (rice bran) attached to the rice is effectively peeled and removed, cutting of the white rice portion of the rice is minimized, and there is an effect of improving the processing throughput.

In addition, according to the present invention, it is possible to uniformly distribute the processing amount of rice processed along the rotation radius of rice, and thus, the gravity when rotating is small during the processing of rice, and thus, it has the effect of reducing the rotational load of the center shaft and the grinding shaft and reducing the overload of the motor.

Drawings

Fig. 1 is a perspective view showing an overall appearance of a rice mill of the present invention.

Fig. 2 is a sectional view for grasping an internal structure of the rice mill shown in fig. 1.

Fig. 3 is a perspective view showing the cover shown in fig. 2 in a three-dimensional manner.

Fig. 4 is a perspective view showing the mesh network shown in fig. 2 in a perspective view.

Fig. 5 is a view showing the inside and the front of the mesh network shown in fig. 4.

Fig. 6 is a perspective view showing the grinding shaft shown in fig. 2 in a perspective view.

Fig. 7 is a side view of the grinding shaft shown in fig. 6.

Fig. 8 is a perspective view of the central shaft shown in fig. 2.

Fig. 9 is a diagram conceptually showing a state of a distribution of rice processed between a mesh and a grinding shaft by a gravity factor.

Fig. 10 is a diagram conceptually grasping the gravity factor portion of the meter with reference to fig. 9.

Detailed Description

The accompanying drawings are included to clearly and conveniently describe the present invention and the embodiments described herein are only one of the most preferable embodiments of the present invention, and terms and words used in the specification and claims should not be construed as limited to general or dictionary meanings, but interpreted as conforming to the technical ideas and concepts of the present invention on the basis of the principle that the inventor can properly define the concepts of the terms in order to explain his invention in the best way. In addition, the scope of the present invention should not be limited to the embodiments, but should be interpreted based on the technical idea throughout the specification and in consideration of various other modification points.

Before describing the present invention, since a motor required for rotational power, a blower for blowing air, and a suction fan for sucking air are not omitted, they are not shown in the drawings because they are not main subjects of the present invention.

Hereinafter, preferred embodiments regarding the rice mill according to the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, the rice mill according to the present invention is composed of a main body 100 formed of a box-shaped housing, and a hopper 110 mounted on one side upper portion of the main body and a discharge part 120 provided on the other side of the main body.

At this time, the hopper 110 is used to inject the rice collected by the rice mill, and the discharge part 120 discharges the optimal white rice by processing the rice milk layer and germ attached to the rice husk layer, which are put into the hopper, and the white rice is discharged through the discharge tray 121 as the discharge part 120.

On the other hand, as shown in fig. 2, a structure necessary for discharging the rice injected into the hopper 110 through the discharge part 120 is composed of a cover 160, a processing unit (the mesh net 150 and the grinding shaft 140), and a center shaft 130 inside the main body 100.

The cover 160 is made of a rigid structure capable of supporting a load of a cover, which is a case constituting the main body 100, and maintains a predetermined interval over the length of the cover 160 for coupling with the circular rib 161, as shown in fig. 3.

That is, the rib 161 is circular and is coupled to the cover 160 over the entire cover 160, so that it is possible to firmly support a load to the cover of the body 100 and also to protect the central shaft 130 including the mesh net 150 and the grinding shaft 140 as a processing unit provided inside the cover 160.

As the processing apparatus, the mesh 150 is installed inside the cover 160, and referring to fig. 2, 4 and 5, a plurality of grinding holes 151 are densely formed on the surface of the mesh 150, and the mesh 150 has an octagonal structure as shown in fig. 5.

The mesh net 150 is composed of an octagonal structure while maintaining a processing yield of the rice ground by the grinding shaft 140 rotating within the mesh net 150 at a proper level because a rice milling process effect can be improved.

If the mesh net 150 has a structure in which the angle is reduced to a hexagon or a pentagon, the rice processing effect is reduced. That is, rice is rough processed, wherein the expression rough rice can be interpreted to mean that the surface of rice is not smooth.

That is, in the polygonal structure of the mesh net, the rice can be dosed in an increased amount as the angle is decreased, but the rice must be coarse during the treatment, and when the mesh net 150 has the octagonal structure as in the present invention, the roughness of the rice can be reduced while adding an appropriate amount. This is because the more the multi-layered structure of the mesh net is, the more rice can be cut during the rice processing, i.e., the more friction and physical effect, thereby increasing the peeling rate of the rice milk layer and the germ.

Here, the rubbing-separation effect means an effect in which the steel layer of rice is separated from the starch layer to be peeled in a sheet form because the contact pressure of rice grains is not less than a certain value because the contact surface of rice does not slip, and the steel layer is peeled off.

The grinding holes 151 are holes penetrating from the inner surface to the outer surface of the mesh 150, and the shape of the grinding holes 151 is preferably a rectangular structure and is inclined in an inclination range of 23 ° based on the horizontal line of the mesh 150.

That is, the grinding hole 151 is characterized by combining a rectangular structure in which the shape of the rice is elliptical and has a moving pattern in which the rice is slowly advanced by a grinding shaft described later and an inclination range of 23 °, and thus, the rectangular shape may be the most effective structure for rice processing.

In addition, the grinding holes 151 should be inclined within an inclination range of 23 °, so that when the grinding holes 151 are inclined in a state exceeding the value of the above inclination range, rice is excessively cut, and when the inclination is smaller than the value of the inclination range, there is a problem that cut rice is small.

That is, the grinding holes 151 should be inclined to the above-mentioned inclination range value so that the cutting of the white rice portion other than rice bran can be minimized by effectively removing the slurry layer (rice bran) attached to the rice.

On the other hand, as shown in fig. 6 and 7, the polishing shaft 140 is mounted inside the mesh-like net 150, and includes a screw 141 formed on one side of the polishing shaft 140, a polishing head 142 formed on the other side of the polishing shaft, and a second blowing hole 143 formed in the proximal portion of the polishing head over the entire length of the polishing head.

The screw 141 moves the rice loaded from the hopper 110 in the processing direction according to the rotation of the grinding shaft 140, the grinding head 142 processes the rice moved in the processing direction by the rotation of the screw 141, and the second blowing holes 143 are used to collect a rice milk layer (rice bran) separated from the processed rice in the lower direction of the cover 160, i.e., in the lower direction of the main body 100.

At this time, the polishing head 142 maintains a predetermined torsion angle in the horizontal length of the polishing shaft 140, the torsion angle being caused by inserting rice between the polishing head 142 and the polishing hole 151 to complete a rice processing process, and at this time, the efficiency of removing a layer of rice slurry attached to rice can be improved while cutting of a white rice portion of rice can be minimized.

In particular, the polishing head 142 is twisted up to 30 ° based on the horizontal length of the polishing shaft 140, and if the twisting angle of the polishing head 142 exceeds 30 °, the whiteness ratio of rice may be decreased with an increase in motor load due to an excessive rotation of the polishing shaft 140, and if the twisting angle of the polishing head 142 is less than 30 °, the motor load may be decreased, but there is a problem that the whiteness is increased and thus becomes excessively white.

In addition, since the polishing head 142 has a long rectangular strip-like structure, it is possible to cut the rice milk layer (rice bran) attached to the rice through the end of the strip-like structure. The second blowing holes 143 are also formed in a rectangular structure in order to supply air to the rice distributed in the process portion and achieve a dust collecting effect of the rice milk layer according to a converging effect of the air rather than a dispersing effect of the air.

As shown in fig. 8, the center shaft 130 is installed inside the grinding shaft 140, and a plurality of first blowing holes 131 are formed at predetermined intervals throughout the horizontal length of the center shaft 130 at the other side of the center shaft 130.

Meanwhile, as shown in fig. 9, when the mesh net 150 is divided into a section a as a first quadrant, a section B as a second quadrant, a section C as a third quadrant, and a section D as a fourth quadrant based on a vertical line and a horizontal line as virtual lines, the density of the distribution of the processing amount per meter inside the mesh net 150 according to the rotation of the center shaft 130 and the polishing shaft 140 is relatively high in the D direction due to the gravity element.

When the processed rice amount is not uniformly distributed, the processing efficiency of rice is inevitably lowered, and the overload of the motor is inevitably increased with the load of the central shaft 130 and the grinding shaft 140.

Therefore, as shown in fig. 10, the holding projections are distributed on the inner surface of the mesh in the order of the C section > B section > a section > D section corresponding to the third quadrant, the second quadrant, the first quadrant, and the fourth quadrant, respectively, based on the vertical line and the horizontal line drawn as the virtual line from the center of the mesh. Of course, no retaining protrusions are shown.

That is, the size and dimension of the holding protrusions may be such that the rice does not interfere with the normal cutting between the grinding head 142 and the grinding hole 151, and the reason why the protrusions are most distributed in the section C is gravity because the structure that can prevent the falling of the rice is relatively weakest compared to other areas. Here, the fall obstacle may be interpreted as a fall delay.

The B section has less protrusion distribution than the C section, but relatively more distribution than the a section. This is because a structure capable of preventing rice from falling down by gravity is secured in section B more than section C, and a structure capable of preventing rice from falling down is relatively less secured than section a.

That is, the section B has a structure that has a higher possibility of falling down to the polishing shaft 140 while the falling angle is reduced from the section C. The drop angle between interval B and interval a is less slow than the drop angle between intervals a and the structural probability of dropping to the grinding spindle 140 is low.

As described above, since the C section > B section > a section > D section is the weakest fall disturbance (delay) of the meter, and by forming the distribution in the order of the C section > B section > a section > D section using the holding projection to prevent the meter from falling (delay) in order to compensate for this, it is possible to ensure the processing throughput of the meter to be densely distributed relatively uniformly over the entire area of the rotation of the meter in the mesh network, thereby improving the processing efficiency of the meter.

Hereinafter, the functional relationship with the present invention will be described.

The rice charged into the hopper 110 enters through the screw 141 of the rotating grinding shaft 140 and moves into the mesh 150.

The rice entering the mesh-type net 150 is processed through the rice slurry layer of glass rice by the friction and physical examination between the grinding head 142 of the rotating grinding shaft 140 and the grinding holes 151 of the mesh-type net 150.

At this time, in the process of peeling off the rice milk layer, in the process of rotating the section between the grinding shaft 140 and the mesh 150 according to the rotation force of the grinding shaft 140, the rice milk layer is peeled off, and the rice is rotated in the region between the grinding shaft 140 and the mesh 150 due to the gravity, so that the rice peeling amount is excessively increased in the reference portion of fig. 10 corresponding to the inner bottom of the mesh 150 and the rice peeling amount is most concentrated in the D section of fig. 9. In contrast, in the section between the grinding shaft 140 and the mesh net 150, the processing amount of rice during peeling is relatively small in the section a, so that it can be solved that the processing amount of rice during peeling is unevenly distributed, and thus the conventional processing structure in which peeling efficiency is lowered, as shown in fig. 10, the holding protrusions are distributed on the inner face of the mesh net in the order of the section C > section B > section a > section D, and therefore, since the rice processed during peeling is less affected by gravity, the processing amount of peeling of rice is uniform in the region between the grinding shaft 140 and the mesh net 150, thereby improving the processing efficiency of peeling, compared to the prior art.

At this time, in the process of peeling off the rice milk layer, the blowing air discharged from the first blowing holes 131 formed in the length direction of the central axis 130 is discharged through the second blowing holes 143 of the grinding shaft 140, and when blown toward the rice milk layer separated from the rice, the rice milk layer moves downward toward the main body 100 along with the effective layer separation, so that it can be easily discharged to the outside by the suction air sucked from the lower portion of the main body 100.

On the other hand, the rice peeled from the rice milk layer may be collected while being discharged through the discharge tray 121 of the discharging part 120.

Claims

1. A rice mill, as a rice mill for processing by a milling machine, characterized by comprising:

a main body consisting of a hopper into which rice is injected at the top of one side and a discharge part for discharging processed (milled) rice at the other side;

a cover installed inside the main body to firmly support a load as a cover of a case constituting the main body; and

and a processing device horizontally installed inside the housing, wherein as the rice put into the hopper is cut by the rotational friction, a layer of rice milk adhered to the rice is removed, and the rice is processed (milled).

2. The rice mill of claim 1, wherein the processing assembly includes:

a mesh net fixedly installed inside the cover to cut a rice milk layer (rice bran) attached to the rice and to discharge the rice milk layer (rice bran) separated from the rice toward the cover;

and a grinding shaft rotatably mounted horizontally in the mesh net, for moving the rice fed into the hopper to a processing (grinding) section by rotation, and for peeling off a rice milk layer (rice bran) from the rice moved to the processing (grinding) section.

3. The rice mill of claim 2, wherein the mesh net has an octagonal structure in appearance, and further comprises a plurality of grinding holes formed along the entire surface as holes penetrating from the inside to the outside.

4. A rice mill as claimed in claim 3, wherein said grinding holes are rectangular in shape to effectively remove a layer of rice milk adhered to the rice, and are inclined within an inclination range of 23 ° with respect to a horizontal line of said mesh net.

5. The rice mill of claim 2, wherein the grinding shaft further comprises:

a screw rod which is formed at one side part and moves the rice fed into the hopper to a processing (grinding) processing area;

a grinding head protruding from the other side at a predetermined torsion angle and cutting a rice milk layer attached to rice by rotation; and

and one or more second blowing holes formed through the entire length of the polishing head at adjacent portions of the polishing head so as to collect a layer of rice milk separated from rice.

6. The rice mill of claim 5, further comprising a center shaft rotatably installed inside the grinding shaft, a first blowing hole for blowing wind toward the second blowing hole being formed at the center shaft,

the first blowing hole is formed to maintain a predetermined distance from the other side portion of the central shaft and is twisted in the same manner as the twisting angle of the second blowing hole.

7. The rice mill of claim 2, wherein the holding projections are distributed on the inner face of the mesh net in an order of C interval > B interval > A interval > D interval corresponding to the third quadrant, the second quadrant, the first quadrant and the fourth quadrant, respectively, based on a vertical line and a horizontal line drawn as a virtual line from the center of the mesh net.