KR101825203B1 - Automatic steel ball sorting apparatus - Google Patents

Abstract

An automatic steel ball sorting apparatus according to the present invention is disclosed. An automatic steel ball sorting apparatus according to an embodiment of the present invention includes a feed hopper for receiving a mixture of a steel ball of various sizes separated from a raw material and various wastes in a ball mill; A vibration detector for separating the various wastes from the mixture delivered from the input hopper; A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; A drum sorting device for sorting steel balls having sizes smaller than a predetermined reference value among a plurality of steel balls of various sizes conveyed through the conveying conveyor by size using a plurality of holes having different diameters; And a roller sorting unit for sorting steel balls having a size not less than the reference value not classified by the drum sorting unit by size using a pair of rollers spaced apart at a predetermined interval.

Description

{AUTOMATIC STEEL BALL SORTING APPARATUS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel ball sorting apparatus, and more particularly, to an automatic steel ball sorting apparatus capable of automatically classifying steel balls of various sizes used in a ball mill.

Generally, in order to increase the productivity of raw material of cement maker or mining industry or grinding ball mill for grinding ore, it is done once a year for intermediate repair maintenance or maintenance maintenance for specific parts failure or other reasons. At this time, it is necessary to classify raw materials, balls and other impurities, which are pulverized materials mixed in the ball mill, into usable sizes, and to sort out various impurities including fragments of other parts.

In the past, maintenance work was carried out by selecting a steel ball and other debris pieces that can be reused with human hands by visually confirming each person's work by sorting out steel balls and various impurities. If you rely on manual work, it takes about 15 days to put 7-12 people on the basis of 300ton.

In this way, the labor costs of the field workers and the time required for sorting out the work are much used, and the progress of the work is slow. As a result, the downtime of related equipments increased in a chain, and the production volume due to ball mill repair had to be significantly reduced.

For this purpose, various steel ball sorting devices have been proposed for selecting irregular sized steel balls by their sizes. For example, in Registration Practical Utility Model No. 20-0313373, a device for sorting steel balls by size by rotating a cylindrical sorting drum has been proposed. However, such a sorting device also has a limitation in selecting steel balls of various sizes because the steel balls and wastes of various sizes are firstly sorted by hand, then the selected steel balls are sorted by size, and only the selection drum is used.

Registration Utility Model No. 20-0313373, Publication Date May 14, 2003

It is an object of the present invention to provide a method of separating steel balls and wastes of various sizes from each other using vibration, The present invention also provides an automatic steel ball sorting apparatus in which a plurality of holes are used to classify the balls by size and balls each having a size larger than a reference value are classified by sizes using a pair of rollers spaced apart at a predetermined interval.

It should be understood, however, that the present invention is not limited to the above-described embodiments, and may be variously modified without departing from the spirit and scope of the present invention.

In order to accomplish the above object, according to one aspect of the present invention, there is provided an automatic steel ball sorting apparatus comprising: a feed hopper for receiving a mixture of steel balls of various sizes separated from a raw material in a ball mill and various wastes; A vibration discriminator for separating the various wastes from the mixture supplied from the input hopper by using vibration; A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; A drum sorting device for sorting steel balls having sizes smaller than a predetermined reference value among a plurality of steel balls of various sizes conveyed through the conveying conveyor by size using a plurality of holes having different diameters; And a roller sorting unit for sorting steel balls having a size not less than the reference value not classified by the drum sorting unit by size using a pair of rollers spaced apart at a predetermined interval.

The inlet hopper may include a body having a mixture of the steel balls of various sizes and various wastes, and discharging the mixture through the outlet; And a gate disposed at an outlet of the body, the gate being opened or closed such that the mixture is discharged or blocked through the outlet.

In addition, the vibration discriminator includes a trough body which receives the mixture from the input hopper and receives the mixture, and vibrates in a predetermined direction; And a guide formed in the trough body for guiding the waste mixed in the mixture to the first passage as the trough body is vibrated and guiding the steel balls of various sizes mixed in the mixture to the second passage, Array.

The vibration separator may further include: a first discharge tray for discharging the waste moving to the first passage; And a second discharge tray for discharging the steel balls of various sizes moving to the second passage and supplying the discharged steel balls to the drum sorting machine.

The guide array may include a plurality of guides arranged at regular intervals on a bottom surface of the trough body, and each of the plurality of guides may include a first guide portion for guiding the waste to move to the first passage, And a second guide portion connected to the first guide portion and guiding the steel ball to move to the second passage.

The drum sorting machine further comprises a charging chute for receiving and delivering the steel balls of various sizes separated through the vibration discriminator; And a rotary drum which is formed of a cylindrical body and classifies the steel balls of the various sizes of the received steel balls through holes having different diameters provided for predetermined intervals in accordance with size as the body rotates can do.

The drum sorting machine further includes a plurality of first discharge chutes disposed at a lower portion of the rotary drum and discharging the steel balls classified in size from the rotary drum by size. And a second discharge chute disposed at an end of the rotary drum for discharging a steel ball having the reference value not classified through the rotary drum.

Also, the drum sorting machine may classify the unusable steel balls through the elliptical holes formed in the first section of the predetermined section, sort the usable steel balls through the circular holes formed in the plurality of small sections in the second section, Can be classified.

In addition, the roller sorting machine includes a charging chute which receives and transfers the steel balls not classified through the drum sorting machine; And a pair of rollers formed in a bar shape and rotated by a predetermined distance in each predetermined section so as to classify the steel balls transferred from the input suit by size.

The roller sorting machine further includes a plurality of first discharge chutes disposed under the pair of rollers and discharging the steel balls classified through the pair of rollers according to their sizes; And a second discharge chute disposed at an end of the pair of rollers, the second discharge chute discharging the balls not classified through the pair of rollers.

The pair of rollers may be disposed such that they are inclined at a predetermined angle from one end of the steel ball to the other end of the steel ball to which the steel ball is discharged and that the spaced distances gradually increase from one end to the other end .

The pair of rollers may rotate in the same direction, but may rotate at different rotational speeds.

Further, the pair of rollers may be formed to have different diameters.

In addition, the conveying conveyor may be provided with a receiving portion capable of receiving the steel ball on a rotating belt disposed so as to be inclined at a predetermined angle.

According to another aspect of the present invention, there is provided an automatic steel ball sorting apparatus comprising: an input hopper for receiving a mixture of a steel ball and various wastes of various sizes separated from a raw material in a ball mill; A vibration discriminator for separating the various wastes from the mixture transferred from the input hopper by using vibration; A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; And a drum for receiving the steel balls of various sizes conveyed through the conveying conveyor and sorting the steel balls having sizes smaller than a predetermined reference value among the steel balls of various sizes by size using a plurality of holes having different diameters, And a selector.

According to another aspect of the present invention, there is provided an automatic steel ball sorting apparatus comprising: a feed hopper for receiving a mixture of steel balls of various sizes separated from a raw material in a ball mill and various wastes; A vibration discriminator for separating the various wastes from the mixture transferred from the input hopper by using vibration; A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; And a steel ball having a size larger than a predetermined reference value among the steel balls of various sizes transferred from the steel balls of various sizes conveyed through the conveying conveyor is sorted by size using a pair of rollers spaced apart at a predetermined interval Roller sorting machine.

As described above, according to the present invention, steel balls and wastes of various sizes are separated using vibrations, and steel balls having sizes of less than the reference value among the separated steel balls of various sizes are sorted by size using a plurality of holes having different diameters, The steel balls having the above-mentioned sizes are classified according to sizes using a pair of rollers spaced apart at a predetermined interval, so that the steel balls of various sizes can be automatically classified into sizes.

In addition, since the steel balls of various sizes can be automatically classified according to size, the present invention can reduce the labor cost and the working time due to the maintenance work.

In addition, since the present invention can reduce the working time due to the maintenance work, the operation stop time of the related equipment can be reduced, thereby improving the productivity.

However, the effects of the present invention are not limited to the above effects, and may be variously extended without departing from the spirit and scope of the present invention.

1 is a view showing an automatic steel ball sorting apparatus according to an embodiment of the present invention.
2 is a view illustrating a structure of a base frame according to an embodiment of the present invention.
FIGS. 3A to 3C are views showing the structure of a feed hopper according to an embodiment of the present invention.
4A and 4B are views showing the structure of a vibration discriminator according to an embodiment of the present invention.
5 is a view showing the structure of a conveyance conveyor according to an embodiment of the present invention.
6A to 6C are views showing a structure of a drum sorting machine according to an embodiment of the present invention.
7A to 7F are views showing the structure of a roller separator according to an embodiment of the present invention.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, an automatic steel ball sorting apparatus according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings. Particularly, in the present invention, steel balls and wastes of various sizes are separated using vibrations, and steel balls having sizes of less than a standard value among the separated steel balls of various sizes are classified into sizes using a plurality of holes having different diameters, A new steel ball sorting method is proposed in which steel balls having sizes equal to or larger than a reference value are classified into sizes using a pair of rollers spaced apart at a predetermined interval.

1 is a view showing an automatic steel ball sorting apparatus according to an embodiment of the present invention.

Referring to FIG. 1, an automatic ball game apparatus according to an embodiment of the present invention includes a base frame 100, a dumping hopper binder 200, a vibrating sorter overall binder 300 A belt conveyor binder 400, a trommel binder 500, and a rolling separator 600, and may be designed to be coupled to each other. Here, the case where the loading hopper, the vibration discriminating device, the conveying conveyor, the drum sorting device, and the roller sorting device are arranged in a straight line is described as an example, but the present invention is not limited thereto.

The base frame 100 is disposed below the hopper 200, the vibration discriminator 300 and the conveying conveyor 400 to support the hopper 200, the vibration discriminator 300 and the conveying conveyor 400 have.

2 is a view illustrating a structure of a base frame according to an embodiment of the present invention.

Referring to FIG. 2, a base frame 100 according to an embodiment of the present invention may include a frame 110 and support legs 120.

The frame 110 is designed to be divided into a plurality of regions, for example, three regions. The input hopper 200 is disposed in each region, for example, the first region A, and the vibration discriminator 300 is disposed in the second region B , And the conveying conveyor 400 may be disposed in the third area C.

The support leg 120 is disposed under the frame 110 to support the frame. A plurality of support feet 120 may be disposed under the frame 110 so that the height of the frame 110 can be adjusted.

The input hopper 200 may be supplied with a mixture of various kinds of waste, such as steel balls of various sizes separated from the raw material in the ball mill, broken or worn debris, fragment pieces of the parts mounted on the ball mill, and the like.

FIGS. 3A to 3C are views showing the structure of a feed hopper according to an embodiment of the present invention.

3A, an input hopper 200 according to an exemplary embodiment of the present invention includes a frame 210, a body 220, a gate 230, and a support leg 240 .

The frame 210 may be disposed under the body 220 to support the body 220.

Referring to FIG. 3B, the body 220 is disposed on the upper part of the frame 210, and a mixture of steel balls of various sizes and waste may be received and received. The body 220 can accommodate a large amount of mixture that has been input through heavy equipment such as a loader, a crane, and a forklift. A discharge port 220a is formed in the lower part of the body 220 and the mixture received through the discharge port 220a can be discharged for the next process.

Referring to FIG. 3C, the gate 230 may be disposed at a discharge port formed in the lower portion of the body 220 so that the mixture may be opened or closed, that is, opened or closed so as to be discharged or blocked through the discharge port. In this case, the opening / closing part 230a of the gate 230 is rotatable in the horizontal direction, and when rotated in the clockwise direction, the discharge port is closed so that the mixture is not discharged, have.

The support feet 240 are disposed under the frame 210 to adjust the height. A plurality of support feet 240 may be disposed under the frame 210 so that the height of the frame 210, that is, the height of the body 220, can be adjusted.

The vibration separator 300 can preferentially separate the steel balls of various sizes that can be used by using the vibration supplied from the input hopper 200 and various wastes that can not be used.

4A and 4B are views showing the structure of a vibration discriminator according to an embodiment of the present invention.

4a, the vibration detector 300 according to an exemplary embodiment of the present invention includes a mounting frame 310, a trough body 320, a guide array 330, A first outlet tray 340, a second outlet tray 350, and a support foot 360. The first outlet tray 340 may include a first outlet tray 340, a second outlet tray 350,

The mounting frame 310 may be disposed below the trough body 320 to support the trough body 320.

The trough body 320 is disposed on the upper portion of the mounting frame 310, and can receive and receive the mixture from the input hopper, and can oscillate in a predetermined direction. For example, the trough body 320 may vibrate in a direction perpendicular to the direction in which the mixture is moving.

The guide array 330 guides the waste mixed in the mixture to the first passage as the trough body 320 vibrates and guides the steel balls of various sizes mixed in the mixture to the second passage. Referring to FIG. 4B, the guide arrays 330 may include a plurality of guides 331, 332, and 333 arranged at regular intervals on the bottom surface of the trough body 320. Each of the guides includes first guide portions (331a, 332a, 333a) for guiding waste to move to the first passage, second guide portions (331a, 332a, 333a) connected to the first guide portions and guiding the steel balls of various sizes to move to the second passage 331b, 332b, and 333b. In other words, various wastes are moved in a linear direction by vibration, and steel balls of various sizes can be rotated in all directions by vibration, so that they can roll and move while changing their movement path.

The first discharge tray 340 can discharge the waste moving to the first passage. The waste discharged through the first discharge tray 340 may be classified into a separate loading box.

The second discharge tray 350 may be disposed at the end of the trough body 320 to discharge steel balls of various sizes moving to the second passage. The steel balls of various sizes discharged through the second discharge tray 350 may be supplied to the conveying conveyor 400 for the next process.

The support feet 360 may be disposed under the frame 310 to support the frame. A plurality of support feet 430 may be disposed under the frame 310 so that the height of the frame 310 can be adjusted.

The conveying conveyor 400 can distribute the steel balls of various sizes supplied and supplied with the steel balls of various sizes separated from the vibration discriminator 300 by a predetermined amount.

5 is a view showing the structure of a conveyance conveyor according to an embodiment of the present invention.

Referring to FIG. 5, a conveying conveyor 400 according to an embodiment of the present invention may include a body 410, a frame 420, and a supporting foot 430.

The body 410 can distribute the steel balls of various sizes supplied and supplied by the steel balls of various sizes separated from the vibration discriminator 300 by a predetermined amount. At this time, the body 410 may be inclined at a predetermined angle to transfer the steel balls separated from the vibration separator 300 to the drum sorting machine. In order to safely transfer the steel ball, a metal-made receiving portion 412 capable of receiving a steel ball is provided on a belt 411 made of rubber material in the body 410, and the steel ball supplied on the belt is moved down It can be prevented from falling. For example, an angle of an iron material may be fixed on the belt in the body using a horizontal bolt.

Further, various safety devices for safely transporting the steel ball may be further provided. For example, a cover (not shown) covering the entire upper portion of the body 410 may be installed.

The frame 420 may be disposed under the body 410 to support the body 410.

The support feet 430 may be disposed under the frame 420 to support the frame. A plurality of support legs 430 may be disposed under the frame 420 so that the height of the frame 420 can be adjusted.

The drum sorting machine 500 can sort the steel balls having sizes smaller than a predetermined reference value among the steel balls of various sizes conveyed through the conveying conveyor 400 according to predetermined sizes. Here, the predetermined reference value may be, for example, 45 mm.

6A to 6C are views showing a structure of a drum sorting machine according to an embodiment of the present invention.

Referring to FIG. 6A, a drum sorting machine 500 according to an embodiment of the present invention includes a frame 510, a charging chute 520, a rotary drum 530, a first discharging chute 540, 550, and a support foot 560.

The frame 510 may be disposed below the rotary drum 530 to support the rotary drum 530.

The charging chute 520 is disposed on the upper portion of the frame 510 and can supply the steel balls of various sizes conveyed through the conveying conveyor 400 to the rotary drum 530.

The rotary drum 530 is formed in a cylindrical shape and is rotatable around a rotation axis. The rotary drum 530 is supplied with various sizes of steel balls from the input chute 520 and can be classified into sizes. The rotary drum 530 may be rotated using, for example, a speed reducer.

At this time, the rotary drum 530 can be rotated using a speed reducer.

Referring to FIG. 6B, the rotary drum 530 may define a plurality of intervals in the inner space, and may classify steel balls of various sizes through the holes provided for the plurality of intervals.

For example, in the first section A, a waste material other than a steel ball usable through an elliptical hole 530a, that is, a small-sized steel ball which is worn with various materials other than a spherical usable steel ball and can not be used any more Can be classified.

530c, 530d, 530e, 530f, and 530g having a predetermined diameter in each of the sub-sections, the second section is divided into a plurality of small sections B1, B2, B3, B4, B5, The available steel balls can be sorted by size. Here, the diameter of each hole provided in each small section may be, for example, 16 mm, 20 mm, 25 mm, 30 mm, 35 mm, and 44 mm.

At this time, a plurality of holes may be formed in all or a part of each section.

The rotary drum 530 may be disposed at an angle to the other end of the rotary drum 530 through which a steel ball having a reference value or higher is discharged at a predetermined angle. In other words, since the rotary drum 530 is disposed at an inclined position, the steel balls discharged through the holes of the corresponding section can be moved to the next section while discharging the steel balls through the holes provided for the sections.

The hole provided for each of the plurality of sections may be formed in a rhombus whose cross section is not a rectangle. That is, the diameter of the hole is formed to be larger on the outer side of the steel ball than on the inner side in which the steel ball enters, and may be gradually increased from the inner side to the outer side. For example, the inner diameter r1 of the hole may be formed to be the same as the diameter of the steel ball, and the outer diameter r2 may be formed to be larger than the diameter of the steel ball. The reason why the diameter of the hole is gradually increased from the inner side to the outer side is to prevent the steel ball from being caught in the hole.

Referring to FIG. 6C, a plurality of lifting pads 531 may be installed at predetermined intervals at the end of the last section of the rotary drum 530, and the lifting pads 531 may be formed of a non- 2 discharge chute.

The first discharge chute 540 is disposed at a lower portion of the rotary drum 530 and is connected to a hole provided for each of a plurality of predetermined intervals in the rotary drum 530 to discharge holes of various sizes discharged through the holes . Steel balls discharged through the first discharge chute 540 can be classified into size-specific loading boxes.

The second discharge chute 550 may be disposed at the end of the rotary drum 530 to discharge a steel ball not classified through the rotary drum. That is, the second discharge chute 550 can discharge a steel ball having a reference value or more. The steel ball discharged through the second discharge chute 550 may be supplied to the roller separator for the next process.

The support feet 560 may be disposed under the frame 510 to support the frame. A plurality of support feet 560 may be disposed under the frame 510 so that the height of the frame 510, particularly, the rotary drum 530 can be adjusted.

The roller separator 600 can classify steel balls having a size larger than a reference value that can not be classified by size through a drum separator 500 according to a predetermined size.

7A to 7F are views showing the structure of a roller separator according to an embodiment of the present invention.

7A, a roller separator 600 according to an embodiment of the present invention includes a frame 610, an inlet chute 620, a pair of rollers 630, a cover 640, An outlet chute 650, a second discharge chute 660, and a support foot 670. [

The frame 610 is disposed under the pair of rollers 630, and can support the pair of rollers 630.

The charging chute 620 is disposed on the upper part of the frame 610 and can supply the steel balls not classified through the drum sorting machine to the pair of rollers 630 after being charged with the steel balls having a size larger than the reference value.

The pair of rollers 630 are spaced apart from each other by a predetermined distance and are rotated and supplied with various sizes of steel balls from the input chute 620 and classified by size. For example, the pair of rollers 630 can classify a steel ball within 45 mm to 100 mm. Each of the pair of rollers 630 may be formed into a bar or rod shape having a predetermined length.

At this time, the pair of rollers 630 can be rotated using a speed reducer.

Referring to FIG. 7B, the pair of rollers 630 are spaced apart from each other by a predetermined distance, and are arranged obliquely by a predetermined angle? In the longitudinal direction, thereby moving the steel ball. Here, the speed at which the ball moves in accordance with the predetermined angle can be changed.

Referring to FIG. 7C, the pair of rollers 630 may be disposed such that the distance from the one end of the steel ball to the other end of the steel ball is gradually increased by a predetermined amount.

For example, the entire section in which the pair of rollers 630 are arranged is divided into a plurality of sections. The first section C1 is arranged so as to have intervals d1 to d2, the second sections C2 are arranged so as to have intervals d2 to d3, D3 to d4 in the third section C3, d4 to d5 in the fourth section C4, and d5 to d6 in the fifth section C5. For example, d1 = 44 mm, d2 = 54 mm, d3 = 64 mm, d4 = 74 mm, d5 = 84 mm, d6 = 94 mm.

Referring to FIG. 7D, the pair of rollers 630 may be formed to have different diameters. The reason why the balls are formed so as to have different diameters is to prevent splashing of the steel balls to be sorted. For example, the outer diameter of the first roller 630a may be 151 mm, the inner diameter may be 140 mm, the outer diameter of the second roller 630b may be 140 mm, and the inner diameter may be 129 mm.

7E, a pair of rollers 630 are rotated using a belt pulley, and the pair of rollers 630 can rotate in the same direction with respect to each other. The reason for rotating them in the same direction is that when the balls are rotated in opposite directions, the transfer of the balls is delayed or stopped. Further, the pair of rollers 630 can rotate at different rotational speeds.

The cover 660 may cover the entire top of the pair of rollers 630 for safety.

The first discharge chute 640 is disposed below the pair of rollers 630 and can discharge the steel balls classified according to sizes for the intervals C1, C2, C3, C4, and C5 as shown in FIG. The steel balls discharged through the first discharge chute 640 can be classified into size-specific loading boxes.

The second discharge chute 650 is disposed at the end of the pair of rollers 630, and can discharge the unrecorded steel through the pair of rollers 630. That is, the second discharge chute 650 is disposed at the end of the pair of rollers 630, and can discharge the balls that have not been sorted through the pair of rollers 630 to the outside.

The support feet 670 can be disposed under the frame 610 to support the frame. A plurality of support feet 670 may be disposed under the frame 610 so that the height of the frame 610 can be adjusted.

In addition, the automatic steel ball sorting apparatus according to an embodiment of the present invention includes a support frame that is spaced apart from the ground by a predetermined height in both the base frame, the loading hopper, the vibration sorter, the conveying conveyor, the drum sorter, To a moving means such as a truck.

The features, structures, effects and the like described in the embodiments are included in one embodiment of the present invention and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects and the like illustrated in the embodiments can be combined and modified by other persons skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of illustration, It can be seen that various modifications and applications are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

100: base frame
200: Feed hopper
300: Vibrating separator
400: conveying conveyor
500: drum selector
600: roller selector

Claims (16)

An input hopper to which a mixture of steel balls of various sizes separated from the raw material in the ball mill and various wastes is inputted;
A vibration discriminator for separating the various wastes from the mixture supplied from the input hopper by using vibration;
A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator;
A drum sorting device for sorting steel balls having sizes smaller than a predetermined reference value among a plurality of steel balls of various sizes conveyed through the conveying conveyor by size using a plurality of holes having different diameters; And
A roller sorting unit for sorting steel balls having a size not less than the reference value not classified by the drum sorting unit by size using a pair of rollers spaced apart at a predetermined interval;
Wherein the vibration discriminator comprises:
A trough body that receives and receives the mixture from the input hopper and is oscillated in a predetermined direction; And
A guide array formed in the trough body and guiding the waste mixed in the mixture with the first passage as the trough body is vibrated and guiding the steel balls of various sizes mixed in the mixture with the second passage, And an automatic steel ball sorting device. The method according to claim 1,
In the hopper,
A body having a mixture of the steel balls of various sizes and various wastes, and discharging the mixture through an outlet; And
And a gate provided at an outlet of the body and opened or closed so that the mixture is discharged or blocked through the discharge port. delete The method according to claim 1,
Wherein the vibration discriminator comprises:
A first discharge tray for discharging the waste moving to the first passage; And
And a second discharge tray for discharging the steel balls of various sizes moving to the second passage and supplying the discharged steel balls to the drum separator. The method according to claim 1,
Wherein the guide array includes a plurality of guides arranged side by side at regular intervals on a bottom surface of the trough body,
Each of the plurality of guides includes a first guide portion for guiding the waste to move to the first passage and a second guide portion connected to the first guide portion and guiding the steel ball to move to the second passage, Steel ball sorting device. The method according to claim 1,
The drum sorting machine comprises:
An input chute for inputting and delivering the steel balls of various sizes separated through the vibration discriminator; And
And a rotary drum formed of a cylindrical body and sorting the steel balls of the various sizes of the received steel balls through holes having different diameters provided for predetermined intervals in accordance with size as the body is rotated Automatic steel ball sorting apparatus. The method according to claim 6,
The drum sorting machine comprises:
A plurality of first discharge chutes arranged at a lower portion of the rotary drum for discharging the steel balls classified in size from the rotary drum in size; And
And a second discharge chute disposed at an end of the rotary drum and discharging a steel ball having the reference value not classified through the rotary drum. The method according to claim 1,
The drum sorting machine classifies the unusable steel balls through the elliptical holes formed in the first section of the predetermined section and classifies the usable steel balls through the circular holes formed in each of the plurality of small sections in the second section , Automatic steel ball sorting device. The method according to claim 1,
Wherein the roller separator comprises:
A charging chute for charging and discharging the steel balls not classified through the drum sorting machine;
And a pair of rollers formed in a bar shape and rotated by a predetermined distance in every predetermined section so as to classify the steel balls delivered from the input chute by size. 10. The method of claim 9,
Wherein the roller separator comprises:
A plurality of first discharge chutes disposed under the pair of rollers for discharging the steel balls classified through the pair of rollers by size; And
And a second discharge chute disposed at an end of the pair of rollers for discharging the steel balls not sorted through the pair of rollers. The method according to claim 1,
Wherein the pair of rollers are arranged so as to be inclined at a predetermined angle from one end to which the steel ball is fed to the other end from which the steel ball is discharged and the spaced distances gradually increase from one end to the other end, Device. The method according to claim 1,
Wherein the pair of rollers are rotated in the same direction, but are rotated at different rotational speeds. The method according to claim 1,
Wherein the pair of rollers are formed to have different diameters. The method according to claim 1,
Wherein the conveying conveyor is provided with a receiving portion capable of receiving the steel ball on a rotating belt arranged at an angle by a predetermined angle. An input hopper to which a mixture of steel balls of various sizes separated from the raw material in the ball mill and various wastes is inputted;
A vibration discriminator for separating the various wastes from the mixture transferred from the input hopper by using vibration;
A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; And
A drum conveyor for conveying the steel balls of various sizes conveyed through the conveying conveyor and sorting the steel balls having sizes smaller than a predetermined reference value among the received steel balls of various sizes by size using a plurality of holes having different diameters; ;
Wherein the vibration discriminator comprises:
A trough body that receives and receives the mixture from the input hopper and is oscillated in a predetermined direction; And
A guide array formed in the trough body and guiding the waste mixed in the mixture with the first passage as the trough body is vibrated and guiding the steel balls of various sizes mixed in the mixture with the second passage, And an automatic steel ball sorting device. An input hopper to which a mixture of steel balls of various sizes separated from the raw material in the ball mill and various wastes is inputted;
A vibration discriminator for separating the various wastes from the mixture transferred from the input hopper by using vibration;
A transfer conveyor for transferring the steel balls of various sizes separated through the vibration discriminator; And
A roller for sorting the steel balls of various sizes received from the steel balls of various sizes conveyed through the conveying conveyor by size using a pair of rollers spaced apart from each other by a predetermined interval, Sorting machine;
Wherein the vibration discriminator comprises:
A trough body that receives and receives the mixture from the input hopper and is oscillated in a predetermined direction; And
A guide array formed in the trough body and guiding the waste mixed in the mixture with the first passage as the trough body is vibrated and guiding the steel balls of various sizes mixed in the mixture with the second passage, And an automatic steel ball sorting device.

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