CN215962453U - Sand and stone separator - Google Patents

Abstract

The utility model discloses a sand-stone separator which comprises a main frame, wherein a screen stone separating device and a sand conveying device are arranged on the main frame, the screen stone separating device comprises a first driving motor and a screen drum, the first driving motor is connected with the screen drum, the screen drum is rotatably connected with the main frame, a first packing auger is arranged on the inner wall of the screen drum, the sand conveying device comprises a second driving motor and a conveying shaft, the second driving motor is connected with the conveying shaft, the conveying shaft is rotatably connected with the main frame, the conveying shaft is provided with a second packing auger, the conveying shaft is positioned under the screen drum, a mortar bin is arranged between the screen drum and the conveying shaft, one end of the conveying shaft is positioned at the bottom of the mortar bin, fine sand is reduced, manual cleaning is not needed, and labor force is reduced.

Description

Sand and stone separator

Technical Field

The utility model belongs to the field of waste concrete treatment equipment, and particularly relates to a sand-stone separator.

Background

With the vigorous development of the building industry in China, concrete is widely applied to various buildings. The concrete mixing and conveying vehicle, the concrete mixing plant, the concrete mixing building and other equipment need to be cleaned and maintained after the operation of one day is finished. On the general site, only there are car wash place and a certain volume thick liquid pond, above-mentioned equipment all is washd everywhere, and sand, stone and thick liquid water are not separated, can cause groundwater source to pollute and urban sewer pipe blockage firstly, do not accord with the environmental protection requirement, secondly the waste material of a large amount of caking piles up like the mountain, causes the waste in a large number of grit resources. At present, waste concrete of domestic mixing plants is mainly separated and recycled by a sand-stone separator after being cleaned by a sand-stone cleaning machine, which is very troublesome. In addition, the existing sand-stone separator needs to feed materials through a guide chute, a long slope platform is required to be arranged on a foundation field of the waste concrete recovery system in a matched mode to assist the concrete truck to feed materials, the occupied area is large, great trouble is brought to the overall arrangement of the whole waste concrete recovery system, and even if the waste concrete recovery system is arranged reluctantly, great interference is caused to the travelling directions of a mixer truck, a forklift truck and the like.

The patent with publication number CN209968631U discloses a sand and stone separating and cleaning device, wherein a case is provided with a feed hopper with an opening facing to the bottom, i.e. waste concrete is input into a screen drum assembly through the feed hopper, larger-diameter stones in the waste concrete are screened and discharged through the screen drum assembly, and fine sand in slurry water is screened and discharged through a sand outlet auger assembly below the screen drum assembly, so as to realize the integrated separation of stones, sand and slurry water.

However, the sand discharging auger assembly in the above patent is located at one side below the screen drum assembly, and the fine sand falling from the screen drum assembly does not directly fall on the sand discharging auger assembly, so that more fine sand still can be accumulated at the bottom of the outer shell of the sand discharging auger assembly after the equipment is used at each time, and the sand discharging auger assembly needs to be cleaned by extra labor, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a sand-stone separator which can reduce the residual amount of fine sand at the bottom, does not need to be cleaned by manpower and reduces the labor force.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sand and stone separator, includes the host computer frame, be provided with screen cloth branch stone device and sand conveyor on the host computer frame, the screen cloth divides the stone device to include first driving motor and screen cloth cylinder, first driving motor connects the screen cloth cylinder, the screen cloth cylinder rotates with the host computer frame to be connected, be provided with first auger on the inner wall of screen cloth cylinder, sand conveyor includes second driving motor and carries the axle, and second driving motor with carry the hub connection, carry the axle to rotate with the host computer frame to be connected, carry epaxial second auger that is provided with, carry the axle to be located the screen cloth cylinder under, be provided with the mortar feed bin between screen cloth cylinder and the transport axle, the one end of carrying the axle is located the bottom of mortar feed bin.

Furthermore, the bottom end of the second packing auger is provided with a scraper, and the section of the scraper is L-shaped.

Further, a drain outlet is formed in the side face of the bottom of the mortar bin, a drain pipe is connected to the drain outlet, and the drain outlet is aligned with the position, below the scraper, of the scraper in a rotating mode.

Furthermore, be provided with the stone outlet that slopes down on the host computer frame, be connected with out the stone baffle on the stone outlet, the upper end that goes out the stone baffle extends to the below of the discharge gate of screen cloth cylinder, be provided with ejection of compact baffle on the discharge gate of screen cloth cylinder.

Further, be provided with the feed inlet on the host computer frame, be connected with first inlet pipe on the feed inlet, the one end of first inlet pipe extends to the inside of screen cloth cylinder, sliding connection has the second inlet pipe on the other end of first inlet pipe, be provided with the feeder hopper on the second inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that: set up the screen cloth cylinder on the stone device is divided to the screen cloth directly over carrying the axle, during the separation, the stone in the abandonment concrete is stayed in the screen cloth cylinder, and fine sand and muddy water fall into in the mud feed bin of below from the screen cloth cylinder, and fine sand can deposit in the bottom of mud feed bin, then carry the fine sand of deposit outside the host computer frame through carrying axle and second auger, because carry the axle to be located the bottom of mortar feed bin, and be located the screen cloth cylinder directly under, make and carry the axle and carry most fine sand in the mortar feed bin to the external world, reduce the leaving-over of fine sand in the mortar feed bin, and a small amount of fine sand need not to clear up through the manual work again, the labour has been reduced.

Drawings

FIG. 1 is a schematic perspective view of a sand separator according to the present invention;

FIG. 2 is a side sectional view of the sand separator;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a cross-sectional view of another side of the sand separator;

FIG. 6 is an enlarged view of the portion C of FIG. 5

Reference numerals: 1. a host frame; 2. a first drive motor; 3. a screen drum; 4. a first auger; 5. a second drive motor; 6. a delivery shaft; 7. a second auger; 8. a mortar bin; 9. a squeegee; 10. a sewage draining outlet; 11. a stone outlet; 12. a stone discharging guide plate; 13. a discharging guide plate; 14. a first feed tube; 15. a second feed tube.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 6.

The utility model provides a sand and stone separator, includes host computer frame 1, be provided with screen cloth branch stone device and sand conveyor on the host computer frame 1, the screen cloth divides the stone device to include first driving motor 2 and screen cloth cylinder 3, first driving motor 2 connects screen cloth cylinder 3, screen cloth cylinder 3 rotates with host computer frame 1 to be connected, be provided with first auger 4 on screen cloth cylinder 3's the inner wall, sand conveyor includes second driving motor 5 and carries axle 6, second driving motor 5 with carry axle 6 to be connected, carry axle 6 to rotate with host computer frame 1 to be connected, be provided with second auger 7 on carrying axle 6, carry axle 6 to be located screen cloth cylinder 3 under, screen cloth cylinder 3 and carry and be provided with mortar feed bin 8 between the axle 6, the one end of carrying axle 6 is located mortar feed bin 8's bottom.

The screen drum 3 is provided with a plurality of screen holes (not shown in the drawing) having a diameter smaller than that of the stones and larger than that of the fine sand, so that the fine sand and the muddy water can fall from the screen drum 3 to be separated from the stones.

As shown in fig. 1 to 6, after the first driving motor 2 is started, the waste concrete is poured into the screen drum 3, the screen drum 3 rotates continuously and the first auger 4 on the screen drum 3 stirs continuously, so that slurry water and fine sand in the waste concrete can fall into the mortar bin 8 below the screen drum 3 through the sieve holes on the screen drum 3, stones with larger diameters are conveyed out of the screen drum 3 under the conveying of the first auger 4, the fine sand in the mortar bin 8 is deposited at the bottom of the mortar bin 8 under the action of gravity in the slurry water, then the second driving motor 5 is started to drive the conveying shaft 6 to rotate, the deposited fine sand can be conveyed out of the mortar bin 8 through the second auger 7 on the conveying shaft 6, so that the fine sand can be separated from the slurry water, the conveying shaft 6 is positioned right below the screen drum 3, the deposited fine sand can be conveyed by the second auger 7, and the deposition amount of the fine sand at the bottom of the mortar bin 8 is reduced in time, the cleaning is not needed manually, and the labor force is reduced.

Preferably, the main frame 1 is provided with a spraying device, i.e. the spraying device sprays water into the screen drum 3, so that the separation of fine sand and stones can be accelerated, and the surfaces of the stones are washed.

As shown in fig. 4 to 6, in the present embodiment, preferably, the bottom end of the second auger 7 is provided with a scraper 9, when the scraper 9 rotates to the bottom of the mortar bin 8 along with the second auger 7, the scraper can scrape the fine sand deposited at the bottom of the mortar bin 8, and when the scraped fine sand is lifted to a certain height, the scraped fine sand falls into the starting point end of the second auger 7, so that the scraped fine sand is conveyed out of the mainframe frame 1 by the rotation of the second auger 7, and the separation and conveying efficiency of the fine sand from the slurry water is improved.

Preferably, the section of the scraper 9 is L-shaped, and when the scraper 9 rotates to the bottom of the mortar bin 8, the scraper 9 is in a 'r' shape, so as to improve the scraping efficiency of fine sand.

As shown in fig. 6, the bottom side of mortar feed bin 8 that this embodiment is preferred is provided with drain 10, be connected with the blow off pipe (the attached drawing is not shown) on the drain 10, drain 10 and scraper blade 9 rotate the position alignment to the below, and when scraper blade 9 rotated to the below, its bottom was located the below of drain 10, can scrape the fine sand that does not have drain 10, make the surface of sedimentary fine sand be located the below of drain 10 all the time, when the muddy water in mortar feed bin 8 is discharged to drain 10, the sedimentation can not be followed drain 10 and discharged at a small amount of fine sand that 8 bottoms of mortar feed bin were not scraped by scraper blade 9, also can not afraid of irrelevantly to lead to the fact the jam, improve the blowdown ability.

Preferably, a sewage valve (not shown in the attached drawing) is arranged between the sewage outlet 10 and the sewage pipe, when sand and stone are separated, the sewage valve is closed, mud water and fine sand are prevented from entering the sewage pipe, after separation is completed, the sewage valve is opened after the fine sand in the mud water is completely precipitated, and then the mud water in the mortar bin 8 can be discharged.

Preferably, a sealing rubber ring (not shown in the attached drawing) is arranged between the sewage draining outlet 10 and the sewage draining pipe, and the sealing rubber ring is conical, so that the sealing property of the sewage draining pipe is improved.

As shown in fig. 1 and 2, the main frame 1 of the present embodiment is provided with a stone outlet 11, the stone outlet 11 is connected with a stone outlet guide plate 12 inclined downward, the upper end of the stone outlet guide plate 12 extends to the lower part of the discharge port of the screen drum 3, the discharge port of the screen drum 3 is provided with a discharge guide plate 13, stones in the screen drum are discharged from the discharge port of the screen drum 3 after being conveyed by the first packing auger 4 and fall to the stone outlet guide plate 12 below, the stones are guided out of the main frame 1 by the inclined stone outlet guide plate 12, and the stones can accurately fall on the stone outlet guide plate 12 through the discharge guide plate 13, so that the stones are prevented from falling into the mortar bin 8 below, and the separation effect of the device is prevented from being affected.

As shown in fig. 3, it is preferable that the host frame 1 of this embodiment is provided with a feeding inlet, the feeding inlet is connected with a first feeding pipe 14, one end of the first feeding pipe 14 extends to the inside of the screen drum 3, the other end of the first feeding pipe 14 is connected with a second feeding pipe 15 in a sliding manner, the second feeding pipe 15 is provided with a feeding hopper (not shown in the drawing), that is, the waste gas concrete is conveyed into the screen drum 3 through the feeding hopper, the second feeding pipe 15 and the first feeding pipe 14, and the waste gas concrete can be directly and rapidly connected with the concrete truck through the feeding hopper, so as to improve the separation efficiency of the waste concrete, while the second feeding pipe 15 can slide on the first feeding pipe 14, so as to adjust different feeding positions of the waste concrete, so that the feeding hopper can be rapidly connected with the concrete truck, and the separation efficiency is improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (5)

1. A sand and stone separator which is characterized in that: including the host computer frame, be provided with screen cloth on the host computer frame and divide stone device and sand conveyor, the screen cloth divides the stone device to include first driving motor and screen cloth cylinder, first driving motor connects the screen cloth cylinder, the screen cloth cylinder rotates with the host computer frame to be connected, be provided with first auger on the inner wall of screen cloth cylinder, sand conveyor includes second driving motor and carries the axle, second driving motor with carry the hub connection, carry the axle to rotate with the host computer frame to be connected, carry epaxial second auger that is provided with, carry the axle to be located the screen cloth cylinder under, be provided with mortar feed bin between screen cloth cylinder and the transport axle, the one end of carrying the axle is located the bottom of mortar feed bin.

2. The sand separator according to claim 1, wherein: the bottom end of the second auger is provided with a scraper, and the section of the scraper is L-shaped.

3. The sand separator according to claim 2, wherein: the mortar bin is characterized in that a drain outlet is formed in the side face of the bottom of the mortar bin, a drain pipe is connected to the drain outlet, and the drain outlet is aligned with the scraper blade to the position below the scraper blade in a rotating mode.

4. The sand separator according to claim 3, wherein: the main frame is provided with a stone outlet which inclines downwards, the stone outlet is connected with a stone guide plate, the upper end of the stone guide plate extends to the lower part of a discharge port of the screen drum, and the discharge port of the screen drum is provided with a discharge guide plate.

5. The sand separator according to claim 4, wherein: be provided with the feed inlet on the host computer frame, be connected with first inlet pipe on the feed inlet, the one end of first inlet pipe extends to the inside of screen cloth cylinder, sliding connection has the second inlet pipe on the other end of first inlet pipe, be provided with the feeder hopper on the second inlet pipe.

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