KR20030061662A - Mill - Google Patents

Abstract

PURPOSE: Provided is a crusher which crushes materials with different rotational power two times so that it helps to crush the materials into more minute particle. CONSTITUTION: The crusher is characterized by comprising the parts of: a case(100) which is formed in a square type; a projection tool for materials which is formed at left upper side of the case; the crushing tool which crushes the materials by rotational centrifugal force, with consisting of a lower housing(302) with an air suction tool(301), an upper housing(304), a first rotation axis(307), a crushing sheet(308), a second rotation axis(324), an inclined wing(325) and a release preventing cap(327); and a power supplier which transmits and supplies different rotational power to the crushing tool.

Description

Crusher {MILL}

The present invention relates to a pulverizer, and more particularly, to a pulverizer capable of finely pulverizing raw materials such as grains and minerals of a small size to be input by a rotary centrifugal force.

Generally, the grinder is divided into a dry grinder and a wet grinder, and the dry grinder is configured to grind solid dry raw materials (grains, minerals, etc.), and the wet grinder is a wet raw material (food, vegetables, etc.). It is configured to be suitable for grinding.

The pulverizer composed of the raw materials to be pulverized as described above is mainly used to crush the raw materials to a desired size by using compression, impact, and rotation means. The pulverization method used here is a ball, a roller, Grinding is performed using a hammer or rotary method.

However, the pulverizers of the above-described method all have a problem that the raw materials can be pulverized by rotating, pressing or impacting, and thus, when the ultrafine particles are required, the raw materials cannot be crushed into the ultrafine particles.

Of course, it is not impossible to grind the ultra-fine particles of the desired size with the grinders at all, but the grinding time becomes considerably longer when grinding into ultra-fine particles, and in some cases it is limited to grinding the ultra-fine particles of the desired size, There is a cumbersome problem of having to grind after replacing with a separate grind means.

In addition, the pulverizer has a hassle that a series of grinding process that can not be added again before the input raw material is pulverized into the desired degree of ultrafine particles and discharged the crushed ultrafine particles are not continuously performed.

Therefore, an object of the present invention is to double-pulverize the raw material to be crushed with different rotary centrifugal force to be able to pulverize to the desired degree of ultra-fine particles.

In addition, another object of the present invention is to be able to adsorb and discharge the ultra-fine particles crushed to the desired degree by the suction air so that the grinding process can be made continuously.

The present invention provides a case for realizing the above object; Raw material input means for inputting the raw material to be crushed to the upper portion of the case; Grinding means for pulverizing the raw material introduced from the raw material input means by a rotary centrifugal force for one and two orders; It is to configure the power supply means for transmitting and supplying different rotational power to the grinding means.

The grinding means includes: a first rotating shaft which is condensed in the outer bearing portion and has a bearing portion inward; A grinding disc on an upper end of the first rotating shaft; First grinding means comprising a pulley for transmitting a predetermined predetermined rotational force to a lower end of the first pivotal shaft; A second rotating shaft inserted into the first rotating shaft of the first grinding means; A separation wheel having radial inclined vanes on an upper end of the second pivot; It consists of a second grinding means which is provided with a pulley for transmitting a predetermined rotational force to the lower end of the second pivot.

The power supply means is composed of first and second motors.

Therefore, according to the present invention, the raw materials introduced to be pulverized can be pulverized into finer particles by performing pulverization over a first and second order by the rotary power core by pulverizing means having different rotational forces.

1 is a perspective view of the present invention mill,

2 is a side view of the present invention mill;

Figure 3 is a longitudinal sectional view of the present invention grinder.

Explanation of symbols on the main parts of the drawings

100; Case 200; Raw material input means

101; Hopper 202; Input passage

203; Motor 204; screw

300; Grinding means 301; Air intake

302; Lower housing 303; Upper housing

304; Bulkhead 305; Outer bearing part

306; Upper and lower bearing portions 307; 1st rotation shaft

308; Grinding disc 310; First grinding means

320; Second grinding means 324; 2nd rotation shaft

325; Separation wheel 327; 2nd pulley

400; Power transmission means 410; 1st motor part

420; 2nd motor part

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a pulverizer of the present invention, FIG. 2 is a side view of the pulverizer of the present invention, and FIG. 3 is a longitudinal sectional view of the pulverizer of the present invention, wherein the case 100 has a rectangular shape; Raw material input means 200 that is supplied to the raw material to be crushed in the upper left of the case 100; Grinding means (300) for grinding the raw material introduced from the raw material input means (200) over a first and second rotation by a centrifugal force; The power supply means 400 is configured to transmit and supply different predetermined rotational powers, which are arbitrarily set in the crushing means 300, respectively.

The raw material input means 200 and the hopper 201 to smoothly flow the raw material to be crushed; A motor 203 is connected to the hopper 201 at a rear end of the input passage 202 through which raw materials are introduced; It consists of a screw 204 for pushing the raw material introduced while rotating by the motor 203 along the input passage 202 in an appropriate amount.

The grinding means 300 has a cylindrical lower housing 302 having a predetermined diameter and height and is provided with an air suction opening 301; An upper housing 304 having an upper portion of the lower housing 302 having a partition 303 for separating the input raw material and the crushed raw material; First rotating shaft 307 having upper and lower bearing parts 306 inside the upper and lower housings 302 and 304 inserted into the outer bearing part 305 provided on the case 100. )and; A grinding disc 308 for grinding the input raw material while rotating at an upper end of the first pivot 307; First grinding means (310) configured at a lower end of the first pivotal shaft (307), the first pulley (309) for transmitting a predetermined rotational power arbitrarily set; It is inserted into the upper and lower bearing portion 306 provided in the first rotation shaft 307 of the first grinding means 310 is coupled to the sealing member 321, nut 322, washer 323 to rotate A second pivot 324; A separation wheel 326 having radially inclined wings 325 causing vortices at an upper end of the second pivot 324; Leaving prevention cap 327 to prevent the separation of the separation 326 and; The second grinding means 320 is provided with a second pulley 328 for transmitting a predetermined rotational force to the lower end of the second rotating shaft 324.

The power supply means 400 includes a first motor 410 for supplying a predetermined rotational power to the belt 401 arbitrarily predetermined to the first pulley 309 of the first grinding means 310; Each of the second motors 420 is configured to supply a predetermined rotational power to the belt 421 to the second grinding means 320.

In the figure, reference numeral 350 is a door that opens and closes the upper portion of the upper lower jaw 302 which is a grinding means.

The present invention configured as described above is crushed through the hopper 201 mounted on the input passage 202 of the raw material input means 200 in the upper housing 302 of the crushing means 300 coupled to the upper portion of the case 100 When the raw material to be introduced is input, the raw material introduced into the input passage 202 is rotated by the screw 204 by the rotation of the motor 203 located at the rear, and the raw material introduced into the input passage 202 is crushed by the grinding means ( Into the first grinding means 310 of the 300, the raw material introduced into the first grinding means 310 is located on the upper surface of the grinding disc 308.

The raw material located on the upper surface of the grinding disc 308 is fixed to the first rotation shaft 307 through the first belt 401 the rotational driving force generated from the first motor 410 which is the power supply means 400. The first pulley 309 is transmitted to the first pulley 309 to rotate, and the first pivot shaft 307 is supported by the outer bearing part 305 by the rotation of the first pulley 309. The grinding disc 308 is rotated (800 rpm).

Therefore, the injected raw material is subjected to primary grinding while colliding between the inner wall of the upper housing 303 and the partition wall 304 by the rotating centrifugal force of the rotating grinding disc 308.

In addition, the second rotation shaft 324 provided with a separation wheel 325 on the upper side mounted inside the first rotation shaft 307 is also arbitrarily from the second motor 420 which is the power supply means 400. The predetermined rotational speed (1000rpm) power is transmitted through the second pulley 327 condensed to the lower portion of the second belt 421 and the second pivotal shaft 324 and rotates, the separation prevention cap ( As the separation wheel 325 condensed by 326 rotates at a high speed, the primary pulverized raw material is collided with the partition wall 304 again by rotating centrifugal force to cause secondary grinding.

While the raw material introduced as described above is pulverized in the first and second stages, the grinding means 200 sucks air through the air suction port 301 provided in the lower housing 302 and the grinding disc 308. The pulverized disc 308 is sucked through the inner wall of the upper housing 303, and the air sucked into the pulverized disc 308 passes between the partition wall 304 and the pulverized disc 308. Flows into 320.

Therefore, the pulverized raw material introduced from the second crushing means 320 is pulverized again by centrifugal force by the separating rudder 325, and the suction is mounted separately on the upper housing 303. The raw material which is pulverized into fine fine particles over 1 and 2 is sucked up and discharged.

As described above, in the present invention, the raw material introduced to be crushed is dually pulverized by different rotary centrifugal forces through the first grinding means by the grinding disc and the second grinding means by the separation wheel having radial inclined wings. By doing so, it is possible to provide an effect of adsorbing and discharging the ultrafine particles pulverized to a desired degree by suction air.

Claims (5)

A rectangular shaped case; A raw material input means for inputting and supplying a raw material to be crushed to an upper portion of the case; Grinding means for pulverizing the raw material introduced from the raw material input means for 1 to 2 times by a rotary centrifugal force; And a power supply means for transmitting and supplying different predetermined rotational powers arbitrarily set to said grinding means. The grinder according to claim 1, wherein the grinding means comprises a first grinding means and a second grinding means. 3. The method of claim 2, wherein the first grinding means comprises: a cylindrical lower housing having a predetermined diameter and height and having an air inlet; An upper housing having a partition wall separating the input raw material and the pulverized raw material at an upper portion of the lower housing; A first rotating shaft having upper and lower bearing parts inside the upper and lower housings inserted into an outer bearing part; A pulverizing disc for pulverizing the input raw material while rotating at an upper end of the first pivotal shaft; And a first pulley configured to transmit a predetermined rotational power arbitrarily set at a lower end of the first pivotal shaft. The method of claim 2, wherein the second grinding means comprises: a second rotating shaft inserted into and rotated in the upper and lower bearing parts provided in the first rotating shaft; A separation wheel having radial inclined vanes at the upper end of the second pivot; And a second pulley which transmits a predetermined rotational force to a lower end of the second pivotal shaft. According to claim 1, wherein the power supply means and the first motor for supplying different rotational speed; A grinder comprising each of the second motors.