KR101560334B1 - grinding device - Google Patents

Abstract

The present invention relates to a grinding device. The present invention supplies a grinding target when a supply rotor rises along a guide slot in the case that the transfer pressure of the grinding target is bigger than the weight of the supply unit because of the exceeded amount of the grinding target transferred from a transfer screw; and in the case that the amount of the grinding target transferred from the transfer screw reduces until a fixed amount, the supply rotor goes down along the guide slot by the weight of the supply unit, which prevents an overload while smoothing the supply of the grinding target. Therefore, the present invention is used stably. Since the size of a grinding hole of a grinding net installed in the grinding unit becomes smaller as it becomes closer to a collecting unit, the grinding efficiency of the grinding target can be maximized. In addition, a scraper of a separating unit separates the grinding target attached on the inner wall of a main body while rotating inside, and the ingredients are prevented from being mixed when grinding other grinding targets, which prevents component change of the ground material.

Description

Grinding device

The present invention relates to a grinding apparatus, and more particularly, to a grinding apparatus, more particularly, to a grinding apparatus in which, when an amount of grinding target conveyed from a conveying screw exceeds a predetermined amount and a conveying pressure of the grinding target is greater than a self- When the amount of the object to be ground fed from the feed screw is reduced to a certain amount by feeding the object to be ground, the feed rotor descends along the guide slot due to its own weight, thereby preventing overloading and at the same time, The size of the grinding hole of the grinding net mounted on the grinding portion is gradually reduced toward the grinding portion to maximize the grinding efficiency of the grinding target and the scraper of the grinding portion rotates inside the grinding portion and is adsorbed on the wall surface inside the main body Since the pulverized material is separated, To prevent the component from being mixed with each other to prevent the component of the pulverized product from being changed.

Generally, the grinding apparatus is a device for grinding grain and seaweed, as well as minerals such as jade, elvan, geysin, tourmaline, silica, and alumina, chemical materials, and metal materials into fine powder.

The pulverizing apparatus is finely pulverized and then stored as a storage unit after finely pulverizing the pulverizing object to be introduced into the pulverizing apparatus. The pulverized pulverized material as described above can be used in various fields such as building aggregate, industrial raw material, It is widely used.

The above-mentioned grinding apparatus has been registered with Korean Patent Registration No. 10-1368945 by the present applicant.

In the pre-registered invention, the object to be ground introduced into the hopper is supplied to the crushing unit by a predetermined amount by the rotation of the feed rotor, the crushing object supplied to the crushing unit is first crushed by the first crushing fin, and the first crushed material is crushed And the second pulverized material is thirdly pulverized by the second pulverizing pin.

The pulverized pulverized material as described above is discharged to the collecting part and falls along the inner side wall of the cyclone while being stored in the storage container.

However, since the end of the supply rotor of the rubber material is damaged when the object to be ground is continuously supplied to the supply rotor, the supply of the object to be ground is not smooth, and the object to be ground is pulverized, Water is adsorbed on the inner wall surface of the collecting part, so that the pulverized material can not be collected smoothly and is limited only to relatively soft grain crushing. Therefore, there is a problem that the crushed material having high strength such as mineral or metallic material is difficult to crush .

Further, in order to crush the object to be crushed having a high strength as described above, Korean Patent Laid-Open Publication No. 10-2002-0061577 discloses a crusher for crushing minerals and rocks.

According to the invention disclosed in the above publication, when the object to be ground is put through the material introduction chute, the object to be ground is placed on the table, the table is rotated by the motor, the object to be ground is ground by a tire roller, The pulverized material is discharged through the discharge chute.

However, the invention disclosed in the above-mentioned publication has the disadvantage that since the grinding target is crushed while the table is rotated in the state where the tire type roller is installed, the grinding efficiency is remarkably decreased and when the grinding target is excessively put through the raw material input chute There is a problem in that all of the objects to be ground can not be accommodated.

In addition, since the object to be ground is ground between the tire-type roller and the table, the ground particles are fixed to the tire-type roller and the surface of the table, so that the components of the object are mixed with each other during the pulverizing operation there was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional defects, and it is an object of the present invention to provide an apparatus and a method for grinding a feed shaft, When the amount of the object to be crushed to be conveyed from the conveying screw is reduced to a certain amount by feeding the object to be crushed while moving along the guide slot, the feed rotor is lowered along the guide slot due to its own weight, And to provide a grinding apparatus capable of stably using the grinding apparatus.

Another object of the present invention is to provide a pulverizing apparatus for maximizing the pulverizing efficiency even when the pulverizing net size of the pulverizing net to be mounted on the pulverizing unit is gradually reduced toward the collecting unit side to thereby strengthen the pulverizing object.

Still another object of the present invention is to provide a method for separating pulverized material adsorbed on a wall surface of an inner side of a main body while rotating a scraper of a separation part inside a collecting part, And to provide a grinding apparatus for preventing the grinding apparatus.

The present invention relates to a feeder for feeding a material to be crushed into a body through a hopper to a feeder while rotating the feed screw;

When the amount of the object to be ground to be fed through the feed part exceeds a predetermined amount, the feed rotor rotates around the central axis and rises along the guide slot A supply part for supplying the grinding target and controlling the supply rotor so as not to rise above a predetermined height while being in contact with the rising control piece formed on the outer surface of the body of the transfer part;

A crushing unit for crushing and crushing the object to be crushed supplied from the supply unit by the first and second crushing pins of the crushing unit rotated by driving the motor;

A collecting unit for collecting the pulverized material while rotating along the inner wall surface of the cyclone which is formed integrally with the lower end of the main body, the pulverized material being pulverized by the pulverizing unit;

A separator for separating the pulverized material adsorbed on the inner wall surface of the main body while rotating the scraper along a wall surface inside the main body of the collecting part;

And a storage unit for storing the pulverized material separated and discharged from the separation unit.

In the present invention, when the amount of the object to be ground transferred from the feed screw exceeds a predetermined amount and the feed pressure of the object to be ground is larger than the own weight of the feed part, the feed rotor feeds the object to be ground while moving along the guide slot, When the amount of the object to be ground is reduced to a certain amount, the supply rotor descends along the guide slot due to its own weight, thereby preventing overloading and smoothly supplying the object to be ground.

Further, the present invention is advantageous in that the crushing hole size of the crushing net attached to the crushing portion is made gradually smaller toward the trapping portion side, thereby maximizing the crushing efficiency of the crushing object.

Further, the present invention separates the pulverized material adsorbed on the wall surface inside the main body while rotating the scrapers of the separation part inside the collecting part, thereby preventing the components from being mixed with each other during the grinding operation of the other grinding objects, .

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Fig. 2 is a plan view
3 is a side view of the feeding part and the feeding part of the present invention
4 is an exploded perspective view of the separating portion and the discharging portion of the present invention.
Fig. 5 is a view showing a state in which the object to be ground is supplied to the supply part of the present invention
6 is a state diagram in which the supplying part of the present invention ascends to the upper part
Fig. 7 is a view showing a state in which the object to be ground is pulverized in the pulverizing section
8 is a state diagram showing the size of the crushing hole of the crushing net according to the present invention
Fig. 9 is a view showing a state in which pulverized material pulverized in the pulverizing section is collected by the collecting section
10 is a plan view showing a state in which the pulverized material adsorbed to the collecting part is separated by the rotation of the scraper
11 shows a state in which the pulverized material is discharged into the discharge space of the discharge portion
12 shows a state in which the opening and closing member is opened by the rotation of the discharge member to discharge the pulverized material
13 is a state diagram of storing the pulverized material discharged from the discharge portion in the storage portion

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is a front view of the present invention, and Fig. 2 is a plan view of the present invention.

A grinding apparatus 100 according to the present invention includes a transfer unit 110 for transferring an object to be crushed into the body 111 through a hopper 111a to a supply unit 120 side while the transfer screw 112 is rotated, When the amount of the object to be ground fed through the feed unit 110 is greater than a predetermined amount by supplying a predetermined amount of the object to be ground by the rotation of the feed rotor 121 to the ground unit 130, The feed rotor 121 is rotated by the center shaft 124a along the guide slot 123 and supplies the grinding target while the feed rotor 121 is lifted up by the lifting control piece 121 formed on the outer surface of the body 111 of the feeder 110. [ as the contact in (125) and the supply part 120 to control so as not to rise above a predetermined height arrangement, the grinding member 133 to rotate the grinding object supplied from the supply section 120 in the driving of the motor (M) The first and second crushing pins 133b and 133c collide and crush The pulverized material pulverized in the pulverizing unit 130 is integrally formed at the lower end of the main body 141 and is rotated along the inner wall surface of the cyclone 143 formed to be inclined downward as it goes downward, And the scraper 152 is rotated along the wall surface of the main body 141 of the collecting part 140 to separate the pulverized material adsorbed on the wall surface inside the main body 141 And a storage unit 160 configured to store the pulverized material discharged from the separation unit 150. Hereinafter, the storage unit 160 will be described in more detail.

The supply unit 120 includes a supply rotor 120 which is installed in the transfer unit 110 and rotates about the central axis 124a and supplies a predetermined amount of the object to be crushed from the feed screw 112 to the crush unit 130, And an elevation guide member 122 coupled to the outer side of the conveyance unit 110 to elevate the supply rotor 121 about the rotation guide shaft 122a. And a driving motor 123 that is fixed to one side of the elevation guide member 122 and rotates the supply rotor 121. The driving motor 123 is provided on both sides of the body 111 of the elevation guide member 122, (Not shown).

When the amount of the object to be ground transferred from the feed screw 112 is reduced to a certain amount or less, the feed rotor 121 preferably descends due to its own weight.

delete

The crushing unit 130 includes a crushing body 131 that is fixed to the transfer unit 110 and opens at one side thereof and is mounted on the inner circumferential surface of the crushing body 131. The crushing unit 130 gradually increases in size toward the trapping unit 140, A crushing net 132 in which a crushing hole 132a is formed so that the crushing hole 132a is smaller than the crushing hole 132a of the crushing body 131. A rotary crushing unit 133a is coupled to the inner peripheral surface of the crushing body 131 to rotate by driving the motor M, A crushing member 133 in which a first crushing pin 133b is radially formed on one side of the crushing member 133a and a second crushing pin 133c is formed on the other side of the crushing and crushing unit 133a, And a lid 134 having a discharge hole 134a formed at one open side of the discharge port 131 so as to discharge the pulverized material pulverized by the pulverizing member 133 to the collecting unit 140.

The collecting unit 140 includes a body 141 formed in a cylindrical shape and includes a discharge pipe 142 coupled to an upper portion of the body 141 to discharge air inside the body 141, And a cyclone 143 integrally formed at the lower end of the crankcase 141 and inclined toward the lower side to increase the swirling flow speed of the air and the pulverized material, thereby separating the pulverized material from the air.

The separating unit 150 includes a bottom plate 151 fixed to the bottom of the main body 141 of the collecting unit 140 and having a space 151a at one side thereof, And a scraper 152 which is fixed to the inner wall surface of the collecting part 140 and rotates in contact with the bottom plate 151. A driving motor 153 for rotating the scraper 152 at the bottom of the bottom plate 151 ).

The storage unit 160 includes a case 161 coupled to the lower part of the collecting unit 140 and a storage container 160 for storing the pulverized material discharged through the discharge unit 170 into the case 161. [ (162).

And a discharge unit 170 for discharging the pulverized material separated by the rotation of the scraper 152 of the separation unit 150 to the discharge member 172 while the discharge member 172 is opened and closed while the discharge member 172 is rotated .

The discharge unit 170 includes a discharge body 171 fixed to a lower portion of the separating unit 150 to form a receiving space 171a and is seated in the receiving space 171a of the discharge body 171 And a discharge member 172 formed integrally with the shaft 153a of the driving motor 153 of the separating unit 150 and having a discharge space 172a formed at one side thereof. And an elastic member 174 mounted on the opening and closing member 173 for elastically rotating and restoring the opening and closing member 173, .

And a guide member 175 for guiding the pulverized material discharged through the opening and closing member 173 to the storage unit 160.

Hereinafter, the operation of the present invention will be described in detail.

5, when an object to be ground such as a mineral or a metal material is introduced into the hopper 111a, the object to be ground is transported by the transport screw 112, which is driven by the drive motor 112a, .

When the object to be ground is transferred to the supply unit 120 by the feed screw 112, the feed rotor 121 rotating by driving the drive motor 124 rotates counterclockwise about the central axis 124a, The grinding target is supplied by a predetermined amount to the transfer tube 113 formed at one side lower part of the main body 111.

At this time, since the weight of the supply part 120 itself is heavier than the transfer pressure of the object to be ground transferred from the transfer part 110, the supply rotor 121 is rotated by the center shaft 124a in the lower part of the guide slot 123 will be.

6, when the amount of the object to be ground transferred through the feed screw 112 exceeds a predetermined amount and the feed pressure of the object to be ground is larger than the own weight of the feed unit 120, The rotor 121 rotates about the rotation guide shaft 122a and the central axis 124a of the drive motor 124 rises from the lower portion to the upper portion along the guide slot 123. As a result, It is possible to prevent an overload that occurs and smooth supply of the object to be ground.

At this time, when the supply rotor 121 is raised to a certain height, the upper end of the elevation guide member 122 is controlled so as to not rise any more while being in contact with the elevation control piece 125 formed on the outer side of the conveyance unit 110 .

 The object to be ground supplied from the supply unit 120 is supplied to the transporting pipe 113 and supplied to the crushing unit 130. When the amount of the object to be transported through the transporting screw 112 is reduced to a certain amount The supply rotor 121 rotates about the rotation guide shaft 122a and descends while the center shaft 124a for rotating the supply rotor 121 is rotated in the direction of the guide slot 123 And is lowered by its own weight.

7 to 8, the pulverizing object supplied to the transfer pipe 113 is rotated at a rate of 3000 to 5000 rpm by the rotation of the rotary milling unit 133a of the pulverizing unit 130 by driving the motor M, A suction force is generated to cause the object to be crushed to flow rapidly into the crushing unit 130 and at the same time the outside air flows into the crushing unit 130 through the air inflow pipe 113a formed in the upper part of the transfer pipe 113. [

When the object of grinding is supplied into the grinding unit 130 as described above, the grinding unit 133a is repelled by the centrifugal force generated by the rotation of the grinding unit 133a to the outer periphery of the rotation center, and collides with the first grinding pin 133b formed radially The first milling is carried out.

The primary pulverized product is repeatedly flowed into and discharged from the pulverizing hole 132a of the pulverizing net 132 mounted on the inner circumferential surface of the pulverizing body 131 and is subjected to secondary pulverization while being collided.

The grinding net 132 is formed such that the size of the grinding hole 132a gradually decreases from the grinding unit 130 toward the collecting unit 140 so that the grinding grille 132 can be crushed into fine particles upon grinding the grinding target, .

The pulverized material that is secondarily pulverized through the pulverizing net 132 is introduced into the outside of the rotary pulverizer 133a and is formed into a radial shape so that the pulverized material is collided with a plurality of second pulleys 133c having an inclined end face, .

The inclined portion of the second crushing pin 133c has a greater influence of the wind force compared to the centrifugal force as the crushed particles become finer and forms an airflow to float toward the center of the crushed body 131, At the same time, the pulverizing action is performed.

The first crushing pin 133b and the second crushing pin 133c may be formed on both sides of the rotary crushing unit 133a or may be integrally formed.

The finely pulverized pulverized material as described above is discharged to the collecting part 140 by the swirling air current through the discharge hole 134a formed in the lid 134 as shown in FIG.

The pulverized material is rotated while forming a swirling flow along the wall surface of the inside of the main body 141 of the collecting part 140 and falls down to the bottom due to gravity. A part of the fine particles in the pulverized material As shown in FIG.

 The air is separated from the pulverized product by the upward flow generated while the pulverized product circles the wall surface inside the main body 141 and is discharged to the outside through the discharge pipe 142.

The lower end of the discharge pipe 142 should be positioned lower than the discharge hole 134a so that the pulverized product and the air are smoothly separated.

When the pulverized material falling down by the gravity along the wall surface inside the main body 141 drops onto the inner wall surface of the cyclone 143 which is inclined at the lower portion of the main body 141, the swirling flow speed is increased and sufficient centrifugal force And is collected by the bottom plate 151 of the separating unit 150.

10, when the pulverized product falls to the bottom plate 151 of the separator 150 and is collected, the scraper 152 is driven by the drive motor 153 of the separator 150, The pulverized material adsorbed on the inner wall surface of the main body 141 is separated while rotating in close contact with the wall surface inside the main body 141, and the pulverized material falls to the bottom plate 151.

The crushed material falling and accumulated on the bottom plate 151 moves to the space 151a formed on one side of the bottom plate 151 by the rotation of the scraper 152 which is in close contact with the bottom plate 151, And is discharged to the side of the main body 170.

11 to 13, the pulverized product discharged to the discharge unit 170 is located in the discharge space 172a of the discharge member 172 mounted on the discharge body 171, The discharging member 172 is rotated by the driving motor 153 of the separating unit 150 around the shaft 153a in the same manner as the scraper 152.

When the discharge space 172a of the discharge member 172 rotates toward the opening and closing member 173, the opening and closing member 173 rotates about the shaft pin 173a by the elastic force of the elastic member 174, The end of the opening and closing member 173 contacts the end of the discharge member 172 formed with the discharge space 172a and opens the discharge hole to discharge the pulverized product.

When the discharge member 172 is continuously rotated, the end of the discharge member 172 having the discharge space 172a is pressed against the end of the opening and closing member 173, and the opening and closing member 173 is pressed by the elastic member 174, the discharge hole is closed while the discharging member 172 is rotated, and the pulverized product is discharged while repeating the above-described process.

The crushed material discharged through the opening of the opening and closing member 173 is guided by the guide member 175 and stored in the storage container 162 of the storage unit 160. When a predetermined amount or more is stored, The container 162 is separated.

Although the present invention has been described in connection with certain exemplary embodiments and drawings, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be interpreted to limit the scope of the present invention. It must be interpreted in terms of meaning and concept.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

100: Grinding device 110: Feeder
111: Body 112: Feed screw
113: Feed pipe 120: Feeder
121: supply rotor 122: elevation guide member
123: guide slot 124: drive motor
130: crushing part 131: crushing body
132: crushing net 133: crushing member
134: cover 140: collection part
141: main body 142: discharge pipe
143: Cyclone 150: Separation part
151: bottom plate 152: scraper
153: driving motor 160:
161: case 162; Storage member
170: discharging portion 171: discharging body
172: discharge member 173: open / close member
174: elastic member 175: guide member

Claims (11)

A transfer unit for transferring the object to be crushed into the body through the hopper to the supply unit while rotating the transfer screw;
When the amount of the object to be ground to be fed through the feed part exceeds a predetermined amount, the feed rotor rotates around the central axis and rises along the guide slot A supply part for supplying the grinding target and controlling the supply rotor so as not to rise above a predetermined height while being in contact with the rising control piece formed on the outer surface of the body of the transfer part;
A crushing unit for crushing and crushing the object to be crushed supplied from the supply unit by the first and second crushing pins of the crushing unit rotated by driving the motor;
A collecting unit for collecting the pulverized material while rotating along the inner wall surface of the cyclone which is formed integrally with the lower end of the main body, the pulverized material being pulverized by the pulverizing unit;
A separator for separating the pulverized material adsorbed on the inner wall surface of the main body while rotating the scraper along a wall surface inside the main body of the collecting part;
And a storage unit for storing the pulverized material separated and discharged from the separating unit.
[2] The apparatus according to claim 1,
A feed rotor installed in the feed portion and supplying a predetermined amount of the object to be crushed to be conveyed from the feed screw while rotating around the central axis;
An elevation guide member coupled to the outside of the conveyance unit to raise the feed rotor about the rotation guide shaft;
A guide ball formed at both sides of the body of the conveyance unit to guide the elevation of the feed rotor;
And a drive motor fixed to one side of the elevation guide member to rotate the supply rotor.
The method of claim 2,
Wherein the supply rotor is lowered by its own weight when the amount of the object to be ground transferred from the feed screw is reduced to a predetermined amount or less.
delete [2] The method according to claim 1,
A pulverizing body fixed to the conveying unit and opened at one side;
A pulverizing net mounted on an inner circumferential surface of the pulverizing body and having a pulverizing hole formed so as to be gradually smaller toward a collecting part;
A crushing member having a rotating crushing unit coupled to the inner circumferential surface of the crushing body by rotation of the motor and having a first crushing pin radially formed on one side of the rotating crushing unit and a second crushing pin formed on the other side of the rotating crushing unit;
And a lid formed on one side of the pulverizing body, on which the pulverized material is pulverized by the pulverizing unit, to discharge the pulverized material to the collecting unit.
[2] The apparatus according to claim 1,
A body formed into a cylindrical shape;
A discharge pipe coupled to an upper portion of the main body to discharge air inside the main body;
And a cyclone formed integrally with a lower end of the main body and inclined with respect to a lower portion of the main body, wherein the pulverized material is separated from the air while the swirling flow speed of the air and the pulverized material is increased.
[3] The apparatus according to claim 1,
A bottom plate fixed to a lower portion of the main body of the collecting unit and having a space formed at one side thereof;
A scraper rotatably fixed to the bottom plate and rotated in close contact with the inner wall surface of the collecting part and the bottom plate;
And a drive motor for rotating the scraper at a lower portion of the bottom plate.
The storage medium according to claim 1,
A case coupled to a lower portion of the collecting part;
And a storage container for storing the pulverized material discharged through the discharge part into the case.
The method according to claim 1,
Further comprising a discharge unit for discharging the pulverized material separated by the scraper rotation of the separating unit to the discharge opening while the discharge opening is closed and closed when the discharge member rotates.
[12] The apparatus according to claim 9,
A discharge body fixed to a lower portion of the separating portion to form a receiving space;
A discharge member which is seated in the receiving space of the discharge body and which is integrally rotated with the driving motor shaft of the separating part and has a discharge space formed on one side thereof;
An opening / closing member rotatably coupled to one side of the discharge body to open and close the discharge hole;
And an elastic member mounted on the opening and closing member to elastically rotate and restore the opening and closing member.
The method of claim 10,
And a guide member for guiding the pulverized material discharged through the opening and closing member to the storage unit.

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