CN217528178U - A high efficiency sieving mechanism for fine aggregate - Google Patents

Abstract

The utility model discloses a high efficiency sieving mechanism for thin aggregate, the power distribution box comprises a box body, thin material slide and feed screw, thin material slide intercommunication is in the box left side, box top intercommunication is equipped with the circulation feeder hopper, feed screw lower extreme intercommunication box, feed screw upper end intercommunication circulation feeder hopper, the thin material window has been seted up on the box inner wall, thin material window intercommunication thin material slide, thin material window inner cover has the filter screen, still be equipped with the patting mechanism in the box, the patting mechanism patts the aggregate that falls into in with the circulation feeder hopper on the filter screen, the bottom is domatic in the box, domatic lower is equipped with the coarse fodder export, the coarse fodder pipe. This device is through setting up vertical type filter screen and slapping formula filtering mechanism, lets coarse aggregate rely on gravity mode to peel off from the filter screen and comes, realizes the self-cleaning function of filter screen, prevents that coarse aggregate from blockking up the filter screen, has kept the permeable area of filter screen, has solved traditional sieving mechanism simultaneously and need shut down the shortcoming of stopping work and getting rid of coarse aggregate, has improved the screening efficiency of fine aggregate.

Description

A high efficiency sieving mechanism for fine aggregate

Technical Field

The utility model relates to an environmental protection material screening technical field, concretely relates to a high efficiency sieving mechanism for fine aggregate.

Background

Aggregate is also called aggregate, and is a granular material which plays a role in skeleton and filling in concrete and mortar. The aggregate comprises fine aggregate and coarse aggregate, the diameter of the fine aggregate is between 0.16 and 5mm, and the diameter of the coarse aggregate is more than 5mm. In the preparation of concrete, part of waste materials are used for preparing aggregate of the concrete after being crushed so as to achieve the purpose of waste utilization and environmental protection. Therefore, the environment-friendly materials need to be screened in a coarse-fine aggregate mode so as to be used for different formulas. The prior art generally adopts the mode of vibrating the screen cloth to carry out the screening of fine aggregate, fine aggregate permeates the sieve mesh in the in-process of vibrations screening, coarse aggregate is kept off above the screen cloth by the check, such screening method leads to the fine aggregate of top can only pass the sieve mesh after needing to pass thick coarse aggregate layer, and along with the collection of coarse aggregate, the permeable area of screen cloth can be less and less, can screen again after all must all detach coarse aggregate from the screen cloth at an interval, such sieving mechanism and method lead to the inefficiency of screening.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high efficiency sieving mechanism for fine aggregate to solve the problem of description in the background art, can continuously get rid of the coarse aggregate on the screen cloth and filter fine aggregate simultaneously, guarantee that fine aggregate is screening out constantly, improved the screening efficiency.

The technical scheme of the utility model is realized like this:

the utility model provides a quick high-efficient sieving mechanism for fine aggregate, includes box, fine material slide and feed screw, and the bottom half is equipped with the case foot, and the box front end is equipped with the charge door, and fine material slide intercommunication is on the left of the box, and the box top still communicates and is equipped with the circulation feeder hopper, and feed screw lower extreme intercommunication box, feed screw upper end intercommunication circulation feeder hopper, the fine material window has been seted up in the box, and fine material window intercommunication fine material slide, the fine material window internal cover have the filter screen, still is equipped with the patting mechanism in the box, and the patting mechanism patts the aggregate that falls into in the circulation feeder hopper on the filter screen, and the bottom is domatic in the box, and domatic lower is equipped with the coarse fodder export, and the coarse fodder export still is connected with the coarse fodder pipe that leads to the box outside, be equipped with the valve on the coarse fodder pipe, still seted up the circulation material entry on being close to domatic lower inner wall in the box, circulation pan feeding mouth communicates to inside the feed screw lower extreme.

The technical scheme is that the slapping mechanism comprises a plurality of slapping units, each slapping unit comprises a motor, a rotating shaft and a slapping plate, the motors are fixedly arranged outside the top ends of the box bodies, the rotating shafts are rotatably connected to the motors and penetrate through the tops of the box bodies to penetrate into the box bodies, and the rotating shafts are fixedly provided with the slapping plates.

The technical scheme is that the number of the slapping units is two, and the slapping units comprise a first motor, a first rotating shaft, a first slapping plate, a second motor, a second rotating shaft and a second slapping plate, wherein the first motor and the second motor are respectively and fixedly installed outside the top end of the box body, the first rotating shaft and the second rotating shaft are respectively and rotatably connected onto the first motor and the second motor and penetrate through the top end of the box body to penetrate into the box body, the first rotating shaft is fixedly provided with the first slapping plates, the second rotating shaft is fixedly provided with the second slapping plates, and the first slapping plates and the second slapping plates are mutually staggered and distributed.

The technical scheme is that the spiral feeder comprises a shell, a third motor, a spiral shaft, spiral blades, a base, a circulating discharge pipe and supporting legs, wherein the side wall of the lower end of the shell is communicated to a circulating material inlet, the base is fixedly installed at the bottom of the shell, the third motor is fixedly installed at the top of the shell, the supporting legs are fixedly installed at the bottom of the base, the circulating discharge pipe is communicated and installed at the top of the shell, the spiral shaft is rotatably connected between the third motor and the base, and the spiral blades are fixedly installed on the spiral shaft.

The technical scheme is that a sieve plate is further arranged in the circulating feed hopper, a plurality of holes are formed in the sieve plate, and the sieve plate is used for screening entering aggregates into the box body uniformly.

The beneficial effects of the utility model reside in that:

1. through setting up vertical type filter screen and formula filtering mechanism of clapping, can let coarse aggregate rely on gravity mode to peel off from the filter screen and come, realize the self-cleaning function of filter screen, prevent that coarse aggregate from blockking up the filter screen, keep the permeable area of filter screen, improve the screening efficiency of fine aggregate.

2. Through setting up the feed screw, realize the inside circulation operation of whole device, set up coarse fodder export, coarse material pipe and valve simultaneously at the bottom half, realized that whole device can in time discharge coarse aggregate in circulation operation, effectively solved traditional sieving mechanism and need shut down the shortcoming of shutting down and getting rid of coarse aggregate, improved the screening efficiency of fine aggregate.

3. Through setting up the sieve for the mixed aggregate that falls into the box can evenly scatter, has enlarged the area of slapping, has improved the efficiency of slapping, has improved the screening efficiency of fine aggregate.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a perspective view of the internal structure of the present invention;

fig. 3 is a cross-sectional elevation view of the present invention;

fig. 4 is a top view of the present invention.

In the figure, 1 box body, 2 fine material slide ways, 3 feeding doors, 4 box feet, 5 circulating feeding hoppers, 6 coarse material pipes, 7 first motors, 8 second motors, 9 supporting feet, 10 bases, 11 shells, 12 third motors, 13 circulating discharging pipes, 14 first rotating shafts, 15 first clappers, 16 second rotating shafts, 17 second clappers, 18 fine material windows, 19 filter screens, 20 slope surfaces, 21 coarse material outlets, 22 spiral shafts, 23 spiral blades, 24 circulating material inlets, 25 valves and 26 sieve plates.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, a quick high-efficient sieving mechanism for fine aggregate, sieving mechanism's main part is box 1, and box 1 is the rectangle steel case, and the welding of box 1 bottom has case foot 4 for box 1 bottom leaves ground, and the charge door 3 is installed to the front end side of box 1, opens charge door 3 and can add the aggregate in box 1, has seted up fine material window 18 on the inside left side inner wall of box 1, and filter screen 19 covers and installs on fine material window 18. The fine material slide way 2 is a rectangular iron sheet pipeline and is arranged on the fine material window 18 through a screw, and fine aggregate can directly enter the fine material slide way 2 after penetrating through the filter screen 19. The top of box 1 is the middle still intercommunication welding circulation feeder hopper 5 that still communicates, and circulation feeder hopper 5 is iron sheet rectangle funnel, and welded sieve 26 in the funnel, offered a plurality of evenly distributed's hole on the sieve 26, the aggregate falls into can be in the even screening box 1 under the screening of sieve 26 behind the circulation feeder hopper 5.

The automatic material beating machine is characterized in that a beating mechanism is arranged inside a box body 1, the beating mechanism beats aggregates falling into a circulating feed hopper 5 onto a filter screen 19, the beating mechanism comprises two beating units which are respectively a first beating unit and a second beating unit, the first beating unit comprises a first motor 7, a first rotating shaft 14 and a first beating plate 15, the second beating unit comprises a second motor 8, a second rotating shaft 16 and a second beating plate 17, the first motor 7 and the second motor 8 are respectively and fixedly arranged outside the top end of the box body 1 and distributed on two sides of the circulating feed hopper 5, the first rotating shaft 14 and the second rotating shaft 16 are respectively and rotatably connected to the first motor 7 and the second motor 8 and penetrate through the top end of the box body 1 to enter the box body 1, four first beating plates 15 are fixedly arranged on the first rotating shaft 14, three second beating plates 17 are fixedly arranged on the second rotating shaft 16, and the first beating plates 15 and the second beating plates 17 are mutually staggered and distributed.

Bottom is domatic 20 in the box 1, and domatic 20 lowest is equipped with coarse fodder export 21, and coarse fodder export 21 still is connected with the coarse fodder pipe 6 that leads to the box 1 outside, is equipped with valve 25 on the coarse fodder pipe 6, still has seted up circulation material entry 24 on being close to domatic 20 lowest inner wall in the box 1, and circulation material entry 24 communicates to the inside of screw feeder lower extreme.

The screw feeder includes shell 11, third motor 12, screw axis 22, spiral leaf 23, base 10, circulation discharging pipe 13 and supporting legs 9, shell 11 is steel rectangle case, be cylindrical inner space in the shell 11, shell 11 lower extreme lateral wall is opened there is the opening, the opening intercommunication welding is in circulation material entry 24 department, base 10 welds in shell 11 bottom, third motor 12 fixed mounting is at shell 11 top, the welding of base 10 bottom has supporting legs 9, open at shell 11 top has the opening, circulation discharging pipe 13 welds in shell 11 top opening department, circulation discharging pipe 13 extends to the top of circulation feeder hopper 5 always. The screw shaft 22 is rotatably connected between the third motor 12 and the base 10, and the screw blade 23 is fixedly installed on the screw shaft 22. Aggregate enters the screw feeder from the circulating feed inlet, is conveyed to the top of the shell 11 under the drive of the screw shaft 22 and the screw blade 23, and is output to the circulating feed hopper 5 from the circulating discharge pipe 13.

The utility model discloses the theory of operation:

when the device is used, the mixed aggregate is added into the box body 1 through the feed door 3, the mixed aggregate can flow from the slope high position at the bottom of the box body 1 to the circulation feed inlet at the slope low position under the action of gravity, and then enters the spiral feeder, and is conveyed to the top of the shell 11 under the drive of the spiral shaft 22 and the spiral blade 23, and then is output into the circulation feed hopper 5 from the circulation discharge pipe 13, the mixed aggregate can be screened into the box body 1 uniformly under the screening of the screen plate 26 after falling into the circulation feed hopper 5, the first motor 7 and the second motor 8 drive the first clapper 15 and the second clapper 17 to rotate, the mixed aggregate falling off is continuously beaten, the mixed aggregate is beaten onto the filter screen 19, the fine aggregate can enter the fine material slide 2 through the filter screen 19, and a container is taken to collect the fine material aggregate at the outlet of the fine material slide 2. At the same time, the coarse aggregate is caught by the screen 19 and then falls. After running for a while, the valve 25 on the coarse material pipe 6 is opened to discharge the coarse aggregate accumulated on the bottom of the box 1. In the whole operation process, can follow 3 reinforced of charging door, also can directly feed in from 5 reinforced of circulation feeder hopper, need not shut down and can discharge coarse aggregate, realize continuously screening fine aggregate's function, improved screening efficiency.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a quick high-efficient sieving mechanism for fine aggregate, includes box (1), fine material slide (2) and feed screw, box (1) bottom is equipped with case foot (4), and box (1) front end is equipped with charge door (3), and fine material slide (2) intercommunication is in box (1) left side, and box (1) top still communicates and is equipped with circulation feeder hopper (5), and feed screw lower extreme intercommunication box (1), feed screw upper end intercommunication circulation feeder hopper (5), its characterized in that: the fine material window (18) has been seted up on box (1) inner wall, fine material window (18) intercommunication fine material slide (2), it has filter screen (19) to cover in fine material window (18), still be equipped with the slapping mechanism in box (1), the slapping mechanism slapping the aggregate that falls into in circulating feeder hopper (5) on filter screen (19), the bottom is domatic (20) in box (1), domatic (20) lowest is equipped with coarse fodder export (21), coarse fodder export (21) still are connected with to box (1) outside coarse fodder pipe (6), still be equipped with valve (25) on coarse fodder pipe (6), still seted up on the inner wall near domatic (20) lowest in box (1) and circulated material entry (24), circulated material entry (24) communicate to inside the screw feeder lower extreme.

2. The rapid and efficient screening device for fine aggregates according to claim 1, characterized in that: the slapping mechanism comprises a plurality of slapping units, each slapping unit comprises a motor, a rotating shaft and a slapping plate, the motors are fixedly installed outside the top end of the box body (1), the rotating shafts are rotatably connected to the motors and penetrate through the top of the box body (1) to penetrate into the box body (1), and the slapping plates are fixedly installed on the rotating shafts.

3. The device for rapidly and efficiently screening fine aggregates according to claim 2, wherein: the number of the slapping units is two, and the slapping units comprise a first motor (7), a first rotating shaft (14), a first slapping plate (15), a second motor (8), a second rotating shaft (16) and a second slapping plate (17), wherein the first motor (7) and the second motor (8) are fixedly installed at the top end of the box body (1) respectively, the first rotating shaft (14) and the second rotating shaft (16) are rotatably connected to the first motor (7) and the second motor (8) respectively and penetrate through the top end of the box body (1) to penetrate into the box body (1), the first rotating shaft (14) is fixedly provided with a plurality of first slapping plates (15), the second rotating shaft (16) is fixedly provided with a plurality of second slapping plates (17), and the first slapping plates (15) and the second slapping plates (17) are distributed in a staggered mode.

4. A rapid and efficient screening apparatus for fine aggregate according to claim 3, characterized in that: the spiral feeder comprises a shell (11), a third motor (12), a spiral shaft (22), spiral blades (23), a base (10), a circulating discharge pipe (13) and supporting legs (9), the side wall of the lower end of the shell (11) is communicated to a circulating material inlet (24), the base (10) is fixedly installed at the bottom of the shell (11), the third motor (12) is fixedly installed at the top of the shell (11), the supporting legs (9) are fixedly installed at the bottom of the base (10), the circulating discharge pipe (13) is communicated and installed at the top of the shell (11), the spiral shaft (22) is rotatably connected between the third motor (12) and the base (10), and the spiral blades (23) are fixedly installed on the spiral shaft (22).

5. The device of claim 4, wherein the device comprises: still be equipped with sieve (26) in circulation feeder hopper (5), be equipped with a plurality of holes on sieve (26), sieve (26) are with even the sifting into box (1) of aggregate that gets into.

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