KR101065755B1 - A mill - Google Patents

A mill Download PDF

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Publication number
KR101065755B1
KR101065755B1 KR1020090136101A KR20090136101A KR101065755B1 KR 101065755 B1 KR101065755 B1 KR 101065755B1 KR 1020090136101 A KR1020090136101 A KR 1020090136101A KR 20090136101 A KR20090136101 A KR 20090136101A KR 101065755 B1 KR101065755 B1 KR 101065755B1
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KR
South Korea
Prior art keywords
grinding blade
fixed
grinding
grain
rotating
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Application number
KR1020090136101A
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Korean (ko)
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KR20110079130A (en
Inventor
하외구
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(주)리큅
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Priority to KR1020090136101A priority Critical patent/KR101065755B1/en
Publication of KR20110079130A publication Critical patent/KR20110079130A/en
Application granted granted Critical
Publication of KR101065755B1 publication Critical patent/KR101065755B1/en

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Abstract

The crusher according to the present invention, which is installed in the grain crushing apparatus to crush the grain having a predetermined size in the form of a powder, a fixed body fixed to the main body of the crushing apparatus and a rotating body connected to the motor of the crushing apparatus rotates It includes. The stationary body includes a housing main body including a disc formed at a central portion of the disc inlet and an outer circumference of the disc, the outer wall having a powder outlet, and a plurality of radially installed around the disc inlet hole. And a stationary grinding blade. The rotating body includes a rotating disc having a shaft hole coupled to the shaft of the motor of the grinding apparatus formed in a central portion thereof, and a plurality of radially rotating blades around the shaft hole on the rotating disc, the rotating grinding blade being installed so as not to come into contact with the fixed grinding blade during the rotation operation. It includes. In addition, the rotary grinding blade is installed in close proximity to the shaft hole, the primary grinding blade to crush the grain introduced through the grain inlet first, and the medium-sized grain crushed by the primary grinding blade installed far from the shaft hole And a secondary grinding blade for grinding to form.
Crusher, Grinding Blades, First Crushing, Second Crushing, Size, Grain

Description

Crusher {A MILL}
The present invention relates to a pulverizer, and more particularly, to a pulverizer for pulverizing a material having a predetermined size such as grains in the form of fine powder.
In general, a grinder (grinding part), which actually serves to grind grains in a grinding device for grains, is crushed while passing two or more grinding blades corresponding to each other and passes through the space between the charged grinding blades. It is designed to be finely pulverized when passing through the part. By the way, the grinding blade of the crusher is made of a steel material, there is a problem that the crushed blades are separated from the grinding blade is generated by being driven in contact with each other for the grinding of the grain.
Therefore, in order to solve such a problem, a non-frictional grain grinder has been developed in recent years so as not to contact the grinding blade.
On the other hand, the biggest consideration in the grain grinder is how quickly and efficiently to grind a grain having a certain size into a fine powder, the research is actively conducted.
The present invention has been made in view of the above, the present invention has an object to provide a grinder capable of efficiently grinding a material having a certain size, such as grains.
The pulverizer according to the present invention for achieving the above object, is installed in the grain grinding device to crush the grain having a certain size in the form of powder, and is connected to a fixed body fixed to the main body of the grinding device and the motor of the grinding device In the grinder comprising a rotating body to rotate, the fixing body, the housing body including a disk in which the grain inlet is formed in the center portion and the outer wall is formed to protrude to a certain height on the outer periphery of the disk and the powder outlet is formed; And a fixed grinding blade disposed radially around the grain inlet hole on the disc, wherein the rotating body includes a rotation disc having a shaft hole coupled to a shaft of a motor of the grinding device in a central portion thereof, and the rotation. A plurality of radially installed around the shaft hole on the disc is installed so as not to contact the fixed grinding blade during the rotation operation A rotary grinding blade.
In addition, the rotary grinding blade, the primary grinding blade is installed close to the shaft hole to crush the grain introduced through the grain inlet primary, and is installed far from the shaft hole and ground by the primary grinding blade And secondary grinding blades for grinding medium grains into powder form.
On the other hand, the fixed grinding blades and rotary grinding blades are installed to have a plurality of rows radially from the center of the stationary body and the rotating body, a plurality of fixed grinding blades and rotary grinding blades in the same row are installed to have a predetermined interval and the size Are the same as each other.
In addition, the fixed grinding blade becomes smaller in size from the center of the fixed body toward the outer circumferential direction.
Further, the secondary grinding blade of the rotary grinding blade has the same size in each row from the center of the rotating body toward the outer circumferential direction.
According to the present invention, fine grains are firstly pulverized by the primary grinding blade of the rotating body, and finely crushed by the secondary grinding blade of the rotating body and the fixed grinding blade of the stationary body, which is the next step, thereby producing a large amount of grain in a short time. There is an effect that can be crushed.
In addition, by making the size of the secondary grinding blade of the rotating body the same, and by changing the size of the fixed grinding blade of the fixed body, the grinding efficiency of the grain is maximized and there is an effect to obtain a finer powder.
The above objects, features and other advantages of the present invention will become more apparent by describing the preferred embodiments of the present invention in detail with reference to the accompanying drawings. Hereinafter, a grinder according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
For the convenience of description, the grinder according to the present invention will be described as an example of a grain grinder applied to a grain grinding device for grinding grain. The grain grinder is installed in the grain grinder to grind grain having a predetermined size into a fine powder form, a fixed body fixed to the main body of the grain grinder, and a rotating body connected to the motor of the grain grinder to rotate Include.
1 and 2, the fixing body 100 includes a housing body 110 having a disc 120 and an outer wall 130 protruding at a predetermined height on an outer circumference of the disc, and approximately of the disc 120. It is formed in the center and includes a grain inlet 122 for grain inflow, and a fixed grinding blade 140 is installed radially around the grain inlet 122 on the disc 120.
Through the grain inlet 122, the grain is introduced into the fixture 100 in the vertical direction. On the other hand, the outer wall 130 of the housing body 110 is formed with a powder outlet 132 for discharging the pulverized grain powder to the outside. The powder outlet 132 is in communication with the discharge pipe 150, the pulverized powder exits to the outside through the powder discharge port 132 and the discharge pipe 150. The structure, shape, and the like, of the discharge pipe 150 may be variously applied, and are not limited to this embodiment. The outer peripheral end of the disc 120 is formed with a screw hole 124 for screwing the fixture 100 to the grain mill.
On the other hand, the fixed grinding blade 140 is installed to have a plurality of rows radially from the center of the fixing body 100, a plurality of fixed grinding blades are installed to have a predetermined interval in one row. In addition, the sizes of the fixed grinding blades 140 in the same row are the same. However, the fixed grinding blade 140 is different in size in each row, as shown in the fixed grinding blade 140 is smaller in size toward the outer circumferential direction from the center of the fixed body (100). The smaller size means the same height but smaller cross-sectional area seen from the front. In addition, it is preferable that the interval between the fixed grinding blade 140 and the adjacent fixed grinding blade in the same row becomes narrower from the center of the fixed body 100 toward the outer circumferential direction. That is, the fixed grinding blade 140 is smaller in size toward the outer circumferential direction, and the distance from the adjacent fixed grinding blade becomes smaller.
3 and 4, the rotating body 200 includes a rotating disc 210 having a shaft hole 212 coupled to a shaft of a motor at a central portion thereof, and around the shaft hole 212 on the rotating disc 210. Rotating grinding blade 220 is installed radially. Referring to FIG. 5, when the rotating body 200 is coupled to the fixed body 100 and operated, the rotary grinding blade 220 is installed so as not to come into contact with the fixed grinding blade 140 of the fixed body 100.
 The rotary grinding blade 220 is installed near the center of the shaft hole (212), that is, the primary grinding blade 230 to crush the grain first introduced through the grain inlet 122 of the fixed body 100 first And a secondary grinding blade 240 installed at a distance from the shaft hole 212 to crush the medium grains pulverized by the primary grinding blade 230 into a powder form. Here, the meaning of crushing into medium grains is not interpreted to be exactly cut into half of the grain, but to be interpreted to mean that the grain is finely cut, not in powder form.
The rotary grinding blade 220 is also installed to have a plurality of rows radially from the center of the rotor 200, in one row a plurality are installed to have a predetermined interval. On the other hand, the size of the rotary grinding blades 220 in the same row are the same. The primary grinding blade 230 is installed in the first row closest to the shaft ball 212, the secondary grinding blade 240 is installed to have a plurality of rows from the next row. On the other hand, the secondary grinding blades 240 have the same size in each row, and the intervals between the adjacent grinding blades are the same.
Referring to FIG. 5, the interval between the fixed grinding blade 140 and the secondary grinding blade 240 of the rotary grinding blade 220 is preferably 0.3 to 0.4 mm. In addition to having a range, there is no great difficulty in grinding the grain, but by having the above range, the grain is most efficiently pulverized while being transferred to the next row of grinding blades, and also smoothly operated without interference between the fixed grinding blade and the rotary grinding blade. It becomes possible.
On the other hand, the secondary grinding blade 240 of the fixed grinding blade 140 and the rotary grinding blade 220 preferably has a rectangular cross section. Here, the meaning of the cross section is not meant to mean a cross section, but may be interpreted to mean a cross section seen from the front surface, and the meaning of a square may be interpreted as a concept including a square, a rectangle, a trapezoid, and the like. Experiments and studies have shown that the square cross section is a form that can break and grind grains in grain grinding. The shape should be square and not necessarily identical.
Hereinafter, the operation of the grinder having the above structure will be described with reference to FIGS. 1 to 5.
When the grinding operation is started, the motor of the grain grinding apparatus is operated, the rotating body 200 coupled to the shaft of the motor rotates, so that the rotary grinding blade 220 and the fixed body 100 of the rotating body 200 The grains are ground by the interaction of the fixed grinding blade 140. Grain introduced through the grain inlet 122 is first ground by the primary grinding blade 230 of the rotating body (200). The first crushed grain is moved in the circumferential direction by the centrifugal force of the rotating body 200, while the fixed grinding blade 140 of the fixed body 100 and the secondary grinding blade 240 of the rotating body 200 during the movement. The finely crushed by the) and the smaller the size in the circumferential direction is eventually pulverized into a fine powder form is ejected to the outside through the powder outlet 132 and the discharge pipe 150.
As such, the first milling blade 230 of the rotary body 200, the grain is finely pulverized first, the second grinding blade 240 and the fixed grinding blade of the stationary body (100) of the next step (200) By finely pulverizing by 140), there is an advantage in that a large amount of grain can be ground in a short time.
As described above, the secondary grinding blade 240 of the rotating body 200 has a predetermined size and shape, while the fixed grinding blade 140 of the fixed body 100 is arranged in a different size. Due to this type of combination, the uniform secondary grinding blade 240 of the rotating rotor 200 transfers and grinds the grain powder to the empty space between the grinding blades, thereby maximizing the grinding efficiency of the grain. . In addition, the grain powder is transported toward the powder outlet 132, that is, the outer circumferential direction by the rotation to the rotating body 200, the unit sieve by reducing the size and spacing of the fixed grinding blade 140 toward the powder outlet 132 The amount of particles that contain suitably will vary and eventually the grain will be finely ground. Here, the unit volume means the interval between the grinding blades and can be interpreted as meaning the interval between the fixed grinding blade and the rotary grinding blade (secondary grinding blade).
Meanwhile, in the above description, the grinder according to the present invention has been described and illustrated as crushing grains, but the present invention is not limited thereto and may be applied to all apparatuses finely pulverizing not only grains but also having a certain size in powder form. have.
Although the preferred embodiments of the present invention have been described, the present invention is not limited to the specific embodiments described above. That is, those skilled in the art to which the present invention pertains can make many changes and modifications to the present invention without departing from the spirit and scope of the appended claims, and all such appropriate changes and modifications are possible. Equivalents should be considered to be within the scope of the present invention.
1 is a front perspective view of a fixture of a grinder according to an embodiment of the present invention,
2 is a plan view of FIG.
3 is a front perspective view of a rotating body of a grinder according to an embodiment of the present invention,
4 is a plan view of FIG.
5 is a cross-sectional view of a grinder combined with a fixed body and a rotating body according to an embodiment of the present invention.
<Description of Major Symbols in Drawing>
100. Fixture 110. Housing body
120.Disc 130.Outer Wall
122. Grain inlet 132. Powder outlet
140. Fixed grinding blade 150. Outlet pipe
200. Rotating body 210. Rotating disc
212. Shafts 220. Rotary grinding blade
230. 1st grinding blade 240. 2nd grinding blade

Claims (7)

  1. In the pulverizer comprising a fixed body installed in the grain crushing device to grind the grain having a predetermined size into a powder form, a fixed body fixed to the main body of the crushing device and a rotating body connected to the motor of the crushing device,
    The fixing body has a housing main body including a disk in which a grain inlet is formed at the center and an outer wall protruding at a predetermined height on an outer circumference of the disk, and having a powder outlet, and a plurality of radially around the grain inlet on the disk. Includes a fixed grinding blade installed
    The rotating body is provided with a plurality of rotary disks around the shaft hole formed on the center of the rotary disk and the shaft hole is coupled to the shaft of the motor of the grinding device, so as not to contact the fixed grinding blade during the rotation operation Including rolling mill blades installed,
    The rotary grinding blade, the primary grinding blade is installed close to the shaft hole to crush the grain introduced through the grain inlet first, and the intermediate size is installed far from the shaft hole and crushed by the primary grinding blade Grinder comprising a secondary grinding blade for grinding the grain of the powder in powder form.
  2. The method of claim 1,
    The fixed grinding blades and the rotary grinding blades are installed to have a plurality of rows radially from the center of the fixed body and the rotating body, a plurality of fixed grinding blades and rotary grinding blades in the same row are provided with a predetermined interval and the size of each other Grinder characterized by the same.
  3. The method of claim 1,
    The fixed grinding blade is characterized in that the size decreases toward the outer circumferential direction from the center of the fixed body.
  4. The method of claim 1,
    The fixed grinding blade is a pulverizer characterized in that the distance from the adjacent fixed grinding blade in the same row becomes narrower from the center of the fixed body toward the outer circumferential direction.
  5. The method of claim 1,
    And the secondary grinding blade of the rotary grinding blade has the same size in each row as it goes in the circumferential direction from the center of the rotating body.
  6. The method of claim 1,
    The distance between the secondary grinding blade of the fixed grinding blade and the rotary grinding blade is characterized in that 0.3 to 0.4 mm.
  7. The method of claim 1,
    And the secondary grinding blades of the fixed grinding blade and the rotary grinding blade have a rectangular cross section.
KR1020090136101A 2009-12-31 2009-12-31 A mill KR101065755B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090136101A KR101065755B1 (en) 2009-12-31 2009-12-31 A mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090136101A KR101065755B1 (en) 2009-12-31 2009-12-31 A mill

Publications (2)

Publication Number Publication Date
KR20110079130A KR20110079130A (en) 2011-07-07
KR101065755B1 true KR101065755B1 (en) 2011-09-19

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KR1020090136101A KR101065755B1 (en) 2009-12-31 2009-12-31 A mill

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001149804A (en) 1999-11-25 2001-06-05 Aikawa Iron Works Co Ltd Crushing device and crushing blade
KR200344906Y1 (en) 2003-12-24 2004-03-19 송근수 A cereals pulverizer
JP2005066511A (en) 2003-08-26 2005-03-17 Tsukasa Kogyo Kk Mill
JP2006167515A (en) 2004-12-13 2006-06-29 Turbo Kogyo Co Ltd Pulverizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001149804A (en) 1999-11-25 2001-06-05 Aikawa Iron Works Co Ltd Crushing device and crushing blade
JP2005066511A (en) 2003-08-26 2005-03-17 Tsukasa Kogyo Kk Mill
KR200344906Y1 (en) 2003-12-24 2004-03-19 송근수 A cereals pulverizer
JP2006167515A (en) 2004-12-13 2006-06-29 Turbo Kogyo Co Ltd Pulverizer

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KR20110079130A (en) 2011-07-07

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