KR101810817B1 - Device for separating sand - Google Patents

Abstract

More particularly, the present invention relates to a method for sorting pulverized sand by particle size, and more particularly, to a method for sorting pulverized sand by particle size, To a sorting apparatus.
According to the present invention, the sand can be selected in a short time as the sand is selected by simultaneously applying the up-down vibration and the left-right vibration to the selector, and the sand can be effectively screened even if the length of the selector is short.

Description

TECHNICAL FIELD [0001] The present invention relates to a pressure oscillating sand separator,

More particularly, the present invention relates to a method for sorting pulverized sand by particle size, and more particularly, to a method for sorting pulverized sand by particle size, To a sorting apparatus.

Generally, sand is a crumbly stone crumb, and it is a kind of building material widely used for construction such as aggregate together with cement.

These sand were collected by collecting a large amount of sand by using a sand collector in a river or the sea. However, places where high-quality sand that can be used as a building material is getting smaller, and natural sand is obtained due to various environmental regulations Is becoming increasingly difficult. Recently, sand has been manufactured by using various methods such as sand production by using fine rocks, or by recycling construction waste materials.

Generally, in the case of crushing rocks or building waste materials, sand is separated by particle size using a screen sorting apparatus. As a technique for the conventional sand sorting apparatus, a 10-0878841 (hereinafter referred to as "the prior art") is disclosed.

The above prior art is a system for producing and sorting aggregates which is dry-fed to crush gemstones or construction wastes in a sand and aggregate production facility to sort and sort sand and aggregate of a proper size or smaller by particle size, Means for inputting waste materials of gemstones or construction waste; Means for transferring the raw materials and waste materials charged into the hopper using a conveying conveyor to the crusher; Means for crushing the aggregate into sand and aggregate having an appropriate size or less using a crusher; Means for selecting sand or aggregate having a proper size or larger and sand or aggregate having an appropriate size or smaller by using a vibration screen; Means for recycling the sand and aggregate having a proper size or more to the crusher again using an elevator; Means for conveying sand and aggregate of a proper size or smaller to a classifier; The classifier is provided with a diaphragm-shaped diaphragm inside a classifier housing having a vibrating means, and a suction unit having a suction means is provided at an upper portion of the classifier, Means for removing differentials from sand moving along a step-like diaphragm, Means for transferring sand and aggregate from which the fine particles have been removed to an sorter using an elevator; Sand, and aggregate in a suitable unit.

That is, in the above-described prior art, the diaphragm is vibrated up and down by the vibrating means, so that the sand is filtered.

However, in the case of the above-mentioned prior art diaphragm, the sand is stacked in the center and supplied in the shape of a hill. When the up and down vibration applied to the diaphragm is weak, the supplied sand is difficult to be sprayed to the left and right. There is a problem that the sand can not be properly sorted.

KR 10-0878841 2008.01.02.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems of the prior art, and it is an object of the present invention to provide a sorting device in which vertical vibration and lateral vibration are simultaneously applied to a sorter, The present invention also provides a pressurized vibration type sand sorting apparatus which can smoothly perform discharge and discharge.

According to an aspect of the present invention, there is provided a pressurized vibration type sand sorting apparatus comprising: a chamber having upper and lower portions and an interior portion thereof opened and extending in a longitudinal direction; A sand supply unit provided on the rear side of the chamber in the forward and backward directions and supplying the shredded sand to a predetermined size; A sorting unit which is composed of a plurality of sorting units inclined downward from the front of the chamber and filters the sand transferred from the sand supplying unit while the sorting unit is vibrated in the left and right direction; A left and right vibrating unit for vibrating the sorting unit by sliding the sorting unit in the left and right directions; And an up-down vibrating part for vibrating the chamber in the up-and-down direction, wherein the left-right vibrating part includes: an interlocking member extending in the front-rear direction of the chamber and being coupled to the ends of the plurality of vibration rods at the same time; A left and right elastic member made of a material having an elastic force and adapted to connect the outer wall of the chamber with the interlocking member; And a rotation part formed in a shape in which a plurality of blades are arranged radially around a rotation axis and provided at front and rear ends of the interlocking member and configured to cause the blade and the interlocking member to collide with each other while being rotated by a power source, The rotating shaft is vertically extended, and the blade is formed of a plate whose circumferential end is curved toward the interlocking member, and is disposed so as to face the interlocking member.

At this time, the blade has a curved end made of a material having an elastic force.

On the other hand, the sorting unit includes: a fixed unit in which both ends of the sorting unit are fixed to both side walls of the chamber; And a vibration unit provided between a pair of fixed units so as to be slidable in the left and right direction, wherein the fixed unit and the vibration unit are each formed of a base plate having a predetermined length and width, ; A first bent portion bent downward from a rear end of the base plate; A second bent portion bent upward from an upper end of the base plate and engaged with a first bent portion disposed adjacent to the base plate; And a sliding portion provided between a pair of the adjacent first bent portions and the second bent portion, the sliding portion causing the vibration unit to slide in the width direction of the chamber.

At this time, the sliding portion may include a sliding protrusion provided at a central portion of a selected one of the facing surfaces of the pair of first bent portions or the second bent portions corresponding to each other. A sliding groove formed in a shape of a concave groove recessed inward on a corresponding surface of the second bending part or the first bending part corresponding to the left and right moving radius of the sliding protrusion, And an elastic restoring body connected to the sliding protrusion so as to connect the left and right inner ends of the sliding recess.

Meanwhile, the screening unit is provided with a joint protecting material to protect the joints where the first bent portion and the second bent portion are joined.

According to the present invention, the sand can be selected in a short time as the sand is selected by simultaneously applying the up-down vibration and the left-right vibration to the selector, and the sand can be effectively screened even if the length of the selector is short.

In addition, according to the present invention, since the sorting unit is arranged in the form of a step so that the sand is naturally mixed and discharged by falling, fine particles between the sand are smoothly discharged, thereby improving the sand sorting efficiency.

In addition, according to the present invention, since the elastic restricting portion is constructed by the structure of the double elastic body, the up-and-down vibration is smoothly generated while the transmission of the generated vibration to the support frame side is blocked, .

1 is a perspective view of a sand sorting apparatus according to the present invention.
2 is an exploded perspective view of the sorting unit according to the present invention.
3 is a sectional view of the sand sorting apparatus according to the present invention.
Fig. 4 is a perspective view of a fixed joint applied to the present invention; Fig.
5 is a view showing a vibration coupling portion applied to the present invention.
Fig. 6 is a view showing an embodiment in which the left and right vibration parts are applied to the present invention. Fig.
7 is a view showing an elastic restricting portion applied to the present invention.

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

In detail, the upper and lower vibrations and the right and left vibrations are simultaneously applied to the sorting unit 300 so that the sand is mixed and filtered so that the sand can be smoothly separated and discharged. The present invention relates to a sand-blasting type sand sorting apparatus.

FIG. 1 is a perspective view of a sand sorting apparatus according to the present invention, FIG. 2 is an exploded perspective view of a sorting unit applied to the present invention, FIG. 3 is a sectional view of a sand sorting apparatus according to the present invention, (A) is a perspective view of a vibration coupling portion, (b) is a cross-sectional view of a vibration coupling portion, and Fig. 6 is a perspective view of a vibration coupling portion applied to the present invention FIG. 7 is a view showing an elastic restricting portion applied to the present invention, wherein (a) is a perspective view of the elastic restricting portion, and (b) is a sectional view of the elastic restricting portion.

The present invention includes a chamber 100, a sand supply unit 200, a sorting unit 300, a left and right vibrating unit 400, and an upper and lower vibrating unit 500.

The chamber 100 is a body of a device for sorting sand, and has upper and lower portions and an inner portion thereof opened and extended in the longitudinal direction.

At this time, the chamber 100 is capable of vibrating up and down from the upper part of the support frame 110 having a predetermined height and area, and the sand selected from the chamber 100 is moved toward the front of the chamber 100 And the filtered sand is discharged to the lower portion of the support frame 110.

The sand supply unit 200 supplies sand required to be sorted, and is provided on the rear side of the chamber 100 in the forward and backward directions, and supplies the crushed sand to a predetermined size. In other words, the sand supply unit 200 is formed as a hopper in which a supply port is formed at a lower portion, and the supply port is formed to correspond to the widthwise length of the chamber 100.

The sorting unit 300 comprises a plurality of sorting units 300-1 inclined downward from the rear of the chamber 100 to select the sand, and the sorting unit 300- 1 are vibrated in the left and right direction to filter the sand transferred from the sand supplying unit 200.

In addition, the screening unit 300-1 includes a fixed unit 310 whose both ends are fixed to both side walls of the chamber 100, and a pair of fixed units 310 which are slidable in the left and right direction And a vibrating unit 320 provided in the vibrating unit.

That is, the sorting unit 300 is arranged so that the fixed unit 310 and the vibration unit 320 are alternately arranged and are connected to each other. When the fixed unit 310 is fixed, So that the sand is selected as it is slid in the lateral direction.

At this time, a fixing rod 311 is provided at both ends of the fixing unit 310 in the left and right direction. As the fixing rod 311 is fixedly coupled to the side wall of the chamber 100, The chamber 100 is fastened.

The vibration unit 321 is provided at both ends of the vibrating unit 320 in the left and right direction and the vibrating rod 321 is coupled to the vibrating unit 320 so as to be slidable through the side wall of the chamber 100, (320) and the chamber (100) are fastened together.

The fixed unit 310 and the vibration unit 320 are formed in the same shape and include a base plate 330, a first bent portion 340, a second bent portion 350, and a sliding portion 360, do.

The base plate 330 has a predetermined length and width and is configured to be capable of filtering the sand. For example, the base plate 330 may be formed in the form of a plate having a plurality of filtering holes formed therein, or in the form of a plate having a mesh screen.

Meanwhile, side walls are provided at both ends in the longitudinal direction of the base plate 330 to prevent supplied sand from flowing down.

The first bent portion 340 is bent downward from the rear end of the base plate 330 and the second bent portion 350 is bent upward from the upper end of the base plate 330, And is fastened to the first bent portion 340.

That is, a pair of the selection units 300-1 disposed adjacent to each other is disposed between the first bending portion 340 of one sorting unit 300-1 and the second bending portion 340-1 of the other sorting unit 300-1, (350) are engaged with each other.

The sliding part 360 is provided between a pair of adjacent first bending parts 340 and a second bending part 350 and the vibration unit 320 is disposed in the width direction of the chamber 100 And includes a sliding projection 361, a sliding groove 362, and an elastic restoring body 363 so as to be slidable.

The sliding protrusions 361 protrude from a center portion of a selected one of the facing surfaces of the pair of first bent portions 340 or the second bent portions 350 corresponding to each other.

The sliding groove 362 is formed in the second bending portion 350 or the first bending portion 340 corresponding to the sliding protrusion 361 and extends inwardly to correspond to the left and right moving radius of the sliding protrusion 361 And the sliding protrusion 361 is fastened to the center of the sliding groove 362. The sliding protrusion 361 is formed in the shape of a concave recess.

The elastic restoring member 363 is composed of a spring connecting the sliding protrusion 361 and the sliding groove 362. The elastic restoring member 363 has one end coupled to the sliding protrusion 361 and the other end being coupled to the inner side of the sliding groove 362 Lt; / RTI >

At this time, the adjacent pair of the first bending portion 340 and the second bending portion 350 are fastened in a state in which the first bending portion 340 covers the end of the second bending portion 350. That is, as the sliding part 360 is covered with the first bent part 340, the sliding part 360 is prevented from being infiltrated into the sliding part 360.

The sorting unit 300-1 is provided with a joint protection member 390 for preventing the seam coupled with the first bent portion 340 and the second bent portion 350 from being exposed to the outside. For example, the joint protection member 390 may be formed of a fabric material such as felt or non-woven fabric so as to cover the end of the second bent portion 350 or be provided in the joint, .

The chamber 100 is provided at a position corresponding to the fixing rod 311 of the fixing unit 310 to fix both ends of the fixing unit 310 to the chamber 100.

In addition, the fixed joint portion 120 is made of a material absorbing shock such as rubber, silicone, or elastomer, has a fixed through-hole 121 formed at its center portion, and the fixed rod 311 is fixed to the fixed through- (121).

At this time, the fixing rod 311 keeps the coupled state firmly. For example, a locking portion (not shown) having a width larger than the width of the fixing through-hole 121 is provided at the end of the fixing rod 311 so that the fixing rod 311 is not separated from the combined position.

In the chamber 100, a vibration coupling part 130 for coupling both ends of the vibration unit 320 is provided at a position corresponding to the vibration rod 321. At this time, the vibration coupling part 130 Includes a sliding buffer 132, a support 133, and a buffer elastic member 136.

The sliding buffer 132 is made of a material that absorbs shocks such as rubber, silicone, or elastomer, and a vibration through hole 131 is formed at the center.

The support portion 133 is formed in the shape of an empty column at the top and the inner side and a plurality of protrusions 135 are formed in a radial shape along the inner circumferential surface of the vibration through hole 131 .

The upper end of the roller portion 134 is brought into contact with the outer circumferential surface of the vibrating rod 321. The upper end of the roller portion 134 is provided with a rotatable roller, And a lower end of the roller portion 134 is inserted into and coupled to the support portion 133. As shown in FIG.

That is, the roller unit 134 is provided so that the roller is exposed to the outside in a state where the lower end of the roller unit 134 is inserted into the support unit 133, Is not released from the position.

The elastic cushion 136 may be provided at the lower end of the roller unit 134 so that the roller unit 134 may be fixed to the vibrating rod 321 with a predetermined tension, So as to guide the user.

That is, the vibration coupling portion 130 rotates while the rollers of the roller portion 134 are in surface contact with the outer circumferential surface of the vibration rod 321, thereby stably guiding the lateral movement of the vibration rod 321 do.

The left and right vibrating unit 400 includes a linking member 410, a right and left elastic members 420 and a rotation unit 430 for slidingly vibrating the sorting unit 300-1 in the left and right directions, .

The interlocking member 410 serves to simultaneously operate the plurality of vibration units 320. The interlocking member 410 is extended in the front-rear direction of the chamber 100 and is coupled to the ends of the plurality of vibration rods 321 at the same time, .

The left and right elastic members 420 are made of a material having an elastic force such as a spring so as to connect the interlocking member 410 with the outer wall of the chamber 100.

The rotation unit 430 is provided at each end of the interlocking member 410 in a state where a plurality of blades 432 are radially arranged around the rotation axis 431. The rotation unit 430 is rotated by the power source to rotate the blade 432 ) Collide with the interlocking member (410).

The rotating shaft 431 is arranged to extend in the vertical direction and the blade 432 is formed of a plate having a circumferential end bent toward the interlocking member 410. The interlocking member 410, So that the blade 432 is rotated in a direction in which the interlocking member 410 is pressed.

The bent end of the blade 432 is made of a material such as synthetic rubber, silicone or elastomer having an elastic force.

That is, the rotation unit 430 rotates while one side of the blade 432 is in surface contact with one surface of the interlocking member 410. As the interlocking member 410 is periodically pressed, (320) slides repeatedly in the left and right direction to apply vibration.

The upper and lower swing unit 500 includes an elastic material such as a spring for vibrating the chamber 100 in the up and down direction, (510) and an upper and lower power section (520).

The elastic restricting part 510 includes an elastic rod 530, a limiting housing 540, a first elastic body 550 and a second elastic body 560.

The elastic rod 530 includes an upper support plate 531 having a predetermined area, a rod portion 532 extending in the vertical direction and having an upper end coupled to a central portion of the upper support plate 531, And an engagement portion 533 provided at an end thereof.

A rod insertion hole 541 is formed in the upper surface of the limiting housing 540 so that the rod 532 is inserted into the upper portion of the limiting housing 540 and the rod 530 is vertically moved. And is disposed inside the limiting housing 540 in a state where it is disposed.

At this time, the latching part 533 is configured to be able to engage with the rod insertion hole 541 so as not to be detached from the inside of the limiting housing 540, and the lower end of the restricting housing 540 Is formed to have a larger area than the limiting housing 540 and has a sufficient area to be engaged with the support frame 110 by a coupling member such as a bolt.

In addition, a damper is provided around the rod-shaped inlet hole 541 so as to cancel the impact.

The first elastic body 550 is composed of a spring that surrounds the elastic rod 530 and the outer circumferential surface of the limiting housing 540 between the upper support plate 531 and the lower plate 542. The elastic rod 530 So that compression and tension can be performed.

The second elastic body 560 is provided in the limiting housing 540 so that the second elastic body 560 is provided at the lower end of the locking part 533 so that the second elastic body 560 can be compressed or tensioned by the upward and downward movement of the locking part 533 .

The upper and lower power unit 520 is for applying vibration to the chamber 100 and includes an eccentric cam and a power unit installed in the chamber 100 and the support frame 110, Therefore, a detailed description is omitted.

According to the above-described structure, the chamber 100 is vertically vibrated, and the vibration unit 320 is vibrated in the left and right direction, so that the sand requiring separation can be more smoothly sorted.

Referring to the drawings, when the crushed sand is introduced into the fixed unit 310 located at the uppermost part of the sorting unit 300, the upper and lower swing parts 500 and the left and right vibrating parts 400 are simultaneously operated .

Accordingly, the fixed unit 310 and the vibration unit 520 are arranged in the same shape as the step, and the supplied sand is dropped from the first bent portion 340 side and mixed with the vibration unit 320 .

At this time, the end of the vibration rod 321 of the vibration unit 320 is repeatedly inserted into and drawn out from the chamber 100 side by the interlocking member 410, and the vibration is generated in the left and right direction. 320 are subjected to vertical and horizontal vibration as well as left and right vibrations at the same time to perform filtration.

Through the repetition of the above process, the filtered sand and the selected sand are discharged through the front of the chamber 100, and the dropped sand is discharged to the lower side of the support frame 100.

On the other hand, the discharged sand is collected and discharged by a conveying device such as a conveyor belt or a conveying screw.

At this time, the sorting unit 300 may be provided at the lower part thereof with a sorting unit 600 for sorting the filtered sand one more time.

In addition, the auxiliary sorting unit 600 includes a mesh-type screen. The screen of the auxiliary sorting unit 600 has a size smaller than that of the mesh of the fixed unit 310 and the sorting unit 300-1. So that the filtered sand can be sorted by particle size, and the sand selected by the auxiliary sorter 600 is separately collected and discharged.

That is, according to the present invention, the sand is selected by applying the up-and-down vibration and the left-right vibration simultaneously to the sorter 300, so that the sand can be selected in a short period of time. Therefore, even if the length of the sorter 300 is short, Can be selected.

In addition, according to the present invention, the sorting unit 300-1 is disposed in a stepwise manner so that the sand is naturally shuffled and discharged while being dropped, so that fine particles between the sand are smoothly discharged, thereby improving the sand sorting efficiency.

In addition, according to the present invention, since the elastic restricting portion 510 is constructed of a double elastic body, the up-and-down vibration is smoothly generated while the generated vibration is prevented from being transmitted to the support frame 110 side, It is possible to prevent the vibration from being transmitted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: chamber 110: support frame
120: fixed engaging portion 121: fixed through hole
130: Vibration coupling part 131: Vibration penetration hole
132: sliding buffer part 133:
134: roller portion 135:
136:
200: Sand supply unit
300: selection unit 300-1: selection unit
310: fixed unit 311: fixed rod
320: vibrating unit 321: vibrating rod
330: Base plate 340: First bend
350: second bent portion 360: sliding portion
361: Sliding projection 362: Sliding groove
363: elastic restoration body
390: joint protection material
400: left and right vibrating part 410: interlocking member
420: right and left elastic members 430:
421: rotating shaft 432: blade
500: Upper and lower divergent portion 510: Elasticity restricting portion
520: upper and lower power section
530: elastic rod 531: upper support plate
532: bar portion 533:
540: limiting housing 541: through hole
542: Not Fingerboard
550: first elastic body 560: second elastic body
600: auxiliary sorting section

Claims (5)

A chamber 100 opened at upper and lower portions and inside and extended in the longitudinal direction;
A sand supply unit 200 provided on the rear side of the chamber 100 in the forward and backward direction and supplying the shredded sand to a predetermined size;
And a plurality of sorting units 300-1 inclined downward from the front of the chamber 100. The sorting unit 300-1 vibrates in the left and right direction and is transmitted from the sand supplying unit 200 A filtering unit 300 for filtering the received sand;
A left and right vibration unit 400 for sliding the selection unit 300-1 in the left and right direction to apply vibration; And
An up-down and down-movement unit 500 for causing the chamber 100 to vibrate in an up-and-down direction;
/ RTI >
The left and right vibrating part (400)
An interlocking member 410 extending in the front-rear direction of the chamber 100 and coupled to the ends of the plurality of vibration rods 321 at the same time;
A left and right elastic member 420 made of a material having elasticity and adapted to connect between the interlocking member 410 and the outer wall of the chamber 100; And
A plurality of blades 432 are arranged radially around the rotating shaft 431 and are provided at the front and rear ends of the interlocking member 410. The blade and the interlocking member 410 are rotated by the power source, A rotation part 430 to be collided;
/ RTI >
The rotary shaft 431 is vertically extended and the blade 432 is formed of a plate having a circumferential end bent toward the interlocking member 410 and disposed so as to face the interlocking member 410 And the sand separating device is sandwiched between the sand separating device and the sand separating device.
The method according to claim 1,
The blade (432)
And the curved end is made of a material having an elastic force.
The method according to claim 1,
The sorting unit (300-1)
A fixing unit 310 having both ends in the left and right direction fixed to both side walls of the chamber 100; And
A vibration unit 320 provided between a pair of fixed units 310 so as to be slidable in the left and right directions;
/ RTI >
The fixed unit 310 and the vibrating unit 320,
A base plate 330 having a predetermined length and width and being formed in a form capable of filtering sand;
A first bent portion 340 bent downward from a rear end of the base plate 330;
A second bent portion 350 bent upward from an upper end of the base plate 330 and fastened to the adjacent first bent portion 340; And
A sliding portion provided between a pair of the adjacent first bent portions 340 and the second bent portions 350 and allowing the vibration unit 320 to slide in the width direction of the chamber 100 360);
And a sand removing device for sand removing the sand.
The method of claim 3,
The sliding portion 360 may be formed,
A sliding protrusion (361) provided at a center of any one of a pair of facing surfaces of the first bending part (340) or the second bending part (350) corresponding to each other;
The sliding protrusion 361 is formed in the shape of a recess concave inward on a corresponding surface of the second bending part 350 or the first bending part 340 corresponding to the left and right moving radius of the sliding protrusion 361, A sliding groove 362 disposed at the center; And
An elastic restoring body 363 connected to the left and right inner ends of the sliding protrusion 361 and the sliding groove 362;
And a sand removing device for sand removing the sand.
The method of claim 3,
In the sorting unit 300-1,
Wherein a seam protecting material (390) is provided to protect seams formed by the first bending part (340) and the second bending part (350).

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