CN116174290A - Sand grain screening equipment with screening function - Google Patents

Abstract

The utility model discloses sand screening equipment with a screening function, and relates to the technical field of screening equipment. According to the utility model, the roller and the extrusion block are matched for use, when the sieve holes of the sieve plate are blocked, a user can move the extrusion block upwards to drive the ejector rod by opening the first motor, so that the ejector rod can dredge the sieve holes of the sieve plate, meanwhile, the scraper can push out the ejected stone into the recovery box, so that the equipment can collect the stone, and meanwhile, the blocking of the sieve plate can be prevented, and further, the reduction of the screening efficiency of the equipment caused by the blocking of the sieve plate can be prevented, the burden of the user is reduced, the cleaning efficiency of the equipment to the sieve plate can be improved, the screening quality of the sieve plate is ensured, and then sand particles after screening can fall down through the discharge hole in a concentrated mode, so that the equipment is convenient for use in municipal construction.

Description

Sand grain screening equipment with screening function

Technical Field

The utility model relates to the technical field of screening equipment, in particular to sand screening equipment with a screening function.

Background

In order to prevent solid impurities such as stones in sand grains from affecting the quality of subsequent mixing of the sand grains with concrete, the sand grains need to be subjected to screening treatment on the impurities such as the stones in the sand grains before being used, a large amount of sand grains can be used in municipal engineering operation, and in order to ensure the construction quality, the sand grains need to be filtered and screened through sand grain screening equipment, so that the quality of the sand grains is ensured.

According to the patent application number CN202122960809.7, the utility model discloses a sand screening device for building construction, which relates to the technical field of building construction and comprises a base and a box body, wherein an installation box is arranged at the bottom of the base, a second motor is fixedly arranged on one side of the installation box, a first rotating rod is rotatably connected inside the installation box, one end of the first rotating rod is fixedly connected with the output end of the second motor, a cam is fixedly sleeved on the outer side of the first rotating rod, and a connecting plate is arranged above the cam, and the sand screening device has the beneficial effects that: when the inside sand of box slowly becomes many, drive first dwang through opening the second motor and rotate, and then drive the cam and rotate, apply effort to the connecting plate, and then shake about can driving the box through the connecting plate for the screening speed of the inside sand of box has solved the sand screening device on the current building site and needs the manual work to operate, and screening speed is slow, waste time and energy, the lower problem of efficiency.

However, this equipment is screening the in-process of sand through the filter plate, and great stone can pile up on the surface of filter plate to the screening efficiency of follow-up sand can receive the influence, leads to the user to need regularly to carry out dismouting clearance to the filter plate, and then can influence the whole efficiency of screening the sand of equipment.

Disclosure of Invention

The utility model aims to provide sand screening equipment with a screening function, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: sand grain screening equipment with screen out function, including screening case, the feed inlet, fixedly connected with screening case top, screening case one end fixedly connected with first motor, first motor output fixedly connected with ball screw, the outside cover of ball screw is equipped with the lead screw nut movable plate of looks adaptation, screening incasement wall symmetry fixedly connected with a plurality of fixed blocks, screening incasement portion is equipped with the sieve, sieve bottom fixedly mounted with vibrating motor, sieve bottom fixedly connected with and the first spring of fixed block looks adaptation, first spring bottom and fixed block fixed connection, lead screw nut movable plate inner wall fixedly connected with mounting panel, mounting panel center fixedly connected with installation piece, installation piece outer wall symmetry rotation is connected with two gyro wheels, screening incasement wall fixedly connected with backup pad, backup pad surface sliding connection has a plurality of ejector pins with the sieve looks adaptation.

Further, a plurality of first logical grooves have been seted up on the backup pad surface, a plurality of equal fixedly connected with of ejector pin bottom and the extrusion piece of gyro wheel looks adaptation, two of extrusion piece top symmetry fixedly connected with second spring, two second spring top and backup pad bottom fixed connection when the lead screw nut movable plate drives gyro wheel contact extrusion piece to make the extrusion piece can remove and drive the ejector pin and remove, thereby twelve emperors ejector pins can dredge the sieve.

Further, screening case inner wall fixedly connected with bracing piece, the bracing piece runs through in the screw-nut movable plate, screw-nut movable plate and screening case sliding connection can guarantee the stability when the screw-nut movable plate removes through the bracing piece.

Further, two baffles of sieve outer wall symmetry fixedly connected with, screw-nut movable plate shape is the U type, screw-nut movable plate inner wall fixedly connected with and the scraper blade of sieve looks adaptation can be spacing to the sand grain through the setting of baffle, is convenient for clear up the stone at sieve top through the scraper blade.

Further, the top of the installation block is leveled with the height of the roller, the top of the extrusion block is set to be an inclined plane, the bottom of the extrusion block can be limited through the installation block, and further the screw nut moving block can be conveniently moved.

Further, the second through groove has been seted up to screening case one end, screening case outer wall fixedly connected with collection box is convenient for concentrate the recovery to the stone through the collection box, and then can reduce the user and collect the required time of stone.

Further, screening bottom of the case fixedly connected with base, the discharge gate has been seted up to screening bottom of the case portion, screening top of the case portion fixed mounting has the second motor, second motor output fixedly connected with first spiral feed pole, first spiral feed pole is located inside the feed inlet, is convenient for carry the sand grain heap through first spiral feed pole, and then makes the sand grain heap enter into screening incasement portion in many positions, and then makes things convenient for the sieve to sieve the sand grain.

Further, a plurality of feed inlets that are linked together are offered to screening case top, screening case inner wall rotates and is connected with a plurality of bull gears with feed inlets looks adaptation, the third tee bend groove that is linked together with the feed inlets is offered at the bull gear center, third tee bend inslot wall fixedly connected with disc, a plurality of fourth tee bend grooves have been offered to disc top symmetry, disc bottom center fixedly connected with second spiral feed pole, the bull gear bottom rotates and is connected with the separator tube, separator tube outer wall fixedly connected with dead lever, dead lever top and screening case fixed connection, screening case top inner wall equidistance fixedly connected with a plurality of third motors, third motor output fixedly connected with pivot, pivot outer wall fixedly connected with and bull gear engagement's pinion to can carry through the inside sand grain of separator tube to can prevent that the sand grain caking from leading to the separator tube from blockking up, thereby can guarantee the normal ejection of separator tube, and then make the sand grain can be the screen plate that falls on its surface of screen plate more widely.

Further, pivot bottom fixedly connected with puddler, puddler height is less than the separator tube bottom, is convenient for break up sand grain heap through the puddler to can enlarge the area of sand grain and sieve contact, and then can improve the efficiency of sieve screening.

Further, the second spiral feeding rod is located inside the separating tube, the outer wall size of the second spiral feeding rod is matched with the inner wall size of the separating tube, and sand grain piles inside the separating tube are conveniently conveyed through the second spiral feeding rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, when the sieve holes of the sieve plate are blocked, a user can drive the ball screw to rotate by opening the first motor, so that the ball screw can drive the screw nut moving plate to move, the screw nut moving plate can drive the roller to squeeze the pressing block in the moving process, the pressing block can move upwards to drive the ejector rod, the ejector rod can dredge the sieve holes of the sieve plate, meanwhile, the scraper can push the ejected stone into the recycling bin, so that the equipment can collect the stone, meanwhile, the blocking of the sieve plate can be prevented, the screening efficiency of the equipment caused by the blocking of the sieve plate can be prevented from being reduced, the cleaning efficiency of the equipment to the sieve plate can be improved while the burden of the user is reduced, the screening quality of the sieve plate is also ensured, and sand particles after screening can fall down through the concentrated outlet, so that the sand particles can be used in municipal construction.

2. According to the sand grain screening device, the second spiral feeding rod and the stirring rod are matched for use, in order to enlarge the contact area between the sand grains and the screen plate when the sand grains fall into the sand grain screening device, firstly, a user can drive the first spiral feeding rod to push the sand grain pile through opening the second motor, so that the sand grains can enter the separating tube, at the moment, the user can open the third motor to drive the pinion, so that the large gear can drive the second spiral feeding rod to extrude and rotate the sand grains in the separating tube, the agglomerated sand grains can be prevented from being accumulated in the separating tube, and meanwhile, after the sand grains are removed from the separating tube, the stirring rod can scatter the agglomerated sand grains, and further, the contact area between the sand grains and the surface of the screen plate when the sand grains fall into the sand grains can be enlarged, and further, the sand grain screening efficiency can be improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 2 is a schematic view in partial cross-section of a screening box according to the present utility model;

FIG. 3 is an enlarged view of the structure at A of FIG. 1;

FIG. 4 is a schematic top view of the feed screw nut shifting plate of the present utility model;

FIG. 5 is an enlarged view of the structure at B of FIG. 1;

fig. 6 is an enlarged view of the structure at C of fig. 1.

In the figure: 1. a screening box; 2. a feed inlet; 3. a first motor; 4. a ball screw; 5. a screw nut moving plate; 6. a fixed block; 7. a sieve plate; 8. a vibration motor; 9. a first spring; 10. a mounting plate; 11. a mounting block; 12. a roller; 13. a support plate; 14. a push rod; 15. a first through groove; 16. extruding a block; 17. a second spring; 18. a support rod; 19. a baffle; 20. a scraper; 21. a second through slot; 22. a recovery box; 23. a base; 24. a discharge port; 25. a second motor; 26. a first helical feed bar; 27. a material distributing port; 28. a large gear; 29. a third through slot; 30. a disc; 31. a fourth slot; 32. a second spiral feed rod; 33. a separation tube; 34. a fixed rod; 35. a third motor; 36. a rotating shaft; 37. a pinion gear; 38. stirring rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the sand screening equipment with screening function comprises a screening box 1, a feed inlet 2, a first motor 3 fixedly connected to the top of the screening box 1, a ball screw 4 fixedly connected to the output end of the first motor 3, a screw nut moving plate 5 fixedly sleeved on the outer part of the ball screw 4 and matched with the ball screw, a plurality of fixed blocks 6 symmetrically and fixedly connected to the inner wall of the screening box 1, a screen plate 7 arranged in the screening box 1, two baffles 19 symmetrically and fixedly connected to the outer wall of the screen plate 7, a U-shaped screw nut moving plate 5, a scraper 20 fixedly connected to the inner wall of the screw nut moving plate 5 and matched with the screen plate 7, a vibrating motor 8 fixedly mounted at the bottom of the screen plate 7, a first spring 9 fixedly connected to the bottom of the screen plate 7 and matched with the fixed blocks 6, a mounting plate 10 fixedly connected to the inner wall of the screw nut moving plate 5, the center of the mounting plate 10 is fixedly connected with a mounting block 11, the height of the top of the mounting block 11 is equal to the height of a roller 12, the top of an extrusion block 16 is provided with an inclined plane, the outer wall of the mounting block 11 is symmetrically and rotatably connected with two rollers 12, the inner wall of the screening box 1 is fixedly connected with a supporting plate 13, the surface of the supporting plate 13 is provided with a plurality of first through grooves 15, the bottoms of a plurality of ejector rods 14 are fixedly connected with the extrusion block 16 which is matched with the rollers 12, the top of the extrusion block 16 is symmetrically and fixedly connected with two second springs 17, the tops of the two second springs 17 are fixedly connected with the bottom of the supporting plate 13, the surface of the supporting plate 13 is slidably connected with a plurality of ejector rods 14 which are matched with the screen plate 7, the inner wall of the screening box 1 is fixedly connected with a supporting rod 18, the supporting rod 18 penetrates through a screw nut moving plate 5, the screw nut moving plate 5 is slidably connected with the screening box 1, one end of the screening box 1 is provided with a second through groove 21, screening case 1 outer wall fixedly connected with recovery tank 22, screening case 1 bottom fixedly connected with base 23, screening case 1 bottom has seted up discharge gate 24, screening case 1 top fixed mounting has second motor 25, and second motor 25 output fixedly connected with first spiral feed pole 26, and first spiral feed pole 26 is located inside feed inlet 2.

The implementation mode specifically comprises the following steps: when the equipment needs to screen out the stone in the sand, firstly, the user can place the sand in the feed inlet 2, when the sand falls on the top of the sieve plate 7, at this time, the user can drive the sieve plate 7 to vibrate through opening the vibrating motor 8, so that the sand can fall through the sieve holes of the sieve plate 7, at this time, the stone can be blocked by the sieve plate 7 due to large volume, along with long-term screening of the sand by the sieve plate 7, when the stone is piled up on the surface of the sieve plate 7, and the sieve holes of the sieve plate 7 are blocked, at this time, the user can stop conveying the sand, then the user can drive the ball screw 4 to rotate through opening the first motor 3, the ball screw 4 can drive the screw nut moving plate 5 to move in the rotating process, at this time, the screw nut moving plate 5 can stably move through the supporting rods 18, the screw nut movable plate 5 can drive the mounting plate 10 to move simultaneously in the moving process, then the mounting plate 10 can drive the mounting block 11 and the roller 12 to squeeze the inclined plane at the bottom of the pressing block 16, when the inclined plane of the pressing block 16 is squeezed by the roller 12, the pressing block 16 moves upwards and presses the second spring 17, the pressing block 16 can drive the ejector rod 14 to enter the sieve holes of the sieve plate 7, so that the ejector rod 14 can dredge stones accumulated in the sieve plate 7, then the screw nut movable plate 5 can drive the scraping plate 20 to push the ejected stones in the moving process, along with the continuous movement of the mounting block 11 and the roller 12, the plurality of pressing blocks 16 can sequentially drive the sieve holes of the sieve plate 7 of the ejector rod 14, simultaneously along with the continuous movement of the screw nut movable plate 5, the scraping plate 20 can continuously push the stones, along with the continuous movement of the scraping plate 20, finally, the stone can enter the recycling bin 22 through the second through groove 21, so that the equipment can collect the stone, meanwhile, the blocking of the sieve plate 7 can be prevented, the screening efficiency of the equipment caused by the blocking of the sieve plate 7 can be prevented from being reduced, the cleaning efficiency of the equipment to the sieve plate 7 can be improved while the burden of a user is lightened, the screening quality of the sieve plate 7 is guaranteed, and sand particles after screening can fall down through the discharge hole 24 in a concentrated mode, so that the equipment is convenient to use during municipal construction.

Referring to fig. 1, 5 and 6, the present utility model provides the following technical solutions: in addition, a plurality of distributing openings 27 which are communicated with the feeding openings 2 are formed in the top of the screening box 1, a plurality of large gears 28 which are matched with the distributing openings 27 are rotatably connected to the inner wall of the screening box 1, third through grooves 29 which are communicated with the distributing openings 27 are formed in the center of the large gears 28, discs 30 are fixedly connected to the inner wall of the third through grooves 29, a plurality of fourth through grooves 31 are symmetrically formed in the top of the discs 30, second spiral feeding rods 32 are fixedly connected to the center of the bottoms of the discs 30, separating pipes 33 are rotatably connected to the bottoms of the large gears 28, fixed rods 34 are fixedly connected to the outer walls of the separating pipes 33, the tops of the fixed rods 34 are fixedly connected to the screening box 1 at equal intervals, a plurality of third motors 35 are fixedly connected to the inner wall of the top of the screening box 1, rotating shafts 36 are fixedly connected to the bottoms of the rotating shafts 36, stirring rods 38 are lower than the bottoms of the separating pipes 33, small gears 37 which are meshed with the large gears 28 are fixedly connected to the outer walls of the rotating shafts 36, the second spiral feeding rods 32 are located inside the separating pipes 33, and the outer walls of the second spiral feeding rods 32 are matched with the size of the separating pipes 33.

The implementation mode specifically comprises the following steps: at present, sand particles are usually too concentrated when entering the equipment, when the concentrated sand particles fall on the surface of the screen plate 7, the screening efficiency of the screen plate 7 is affected, at this time, the screen plate 7 firstly needs to vibrate a pile of sand particles piled up into a dune shape into a plane through vibration, and finally the contact area of the sand particles and the screen plate 7 can be enlarged, in order to improve the screening efficiency, part of equipment enables the sand particles to enter the equipment separately through a pipeline, however, because part of sand particles contain moisture, at this time, the sand particles are easy to pile up in the pipeline, so that the normal flow of the sand particles is affected, when the sand particles enter the inside of the feed inlet 2, at this time, a user can drive the first spiral feed rod 26 to rotate by opening the second motor 25, then the first spiral feed rod 26 can push the sand particles to enter the inside of the material distributing port 27 in sequence, then sand can enter the separating tube 33 through the third and fourth grooves 29 and 31, so that sand can enter the surface of the screen plate 7 in multiple directions, in order to prevent the sand from caking and affecting the normal circulation of the sand, when the sand enters the separating tube 33, a user can drive the rotating shaft 36 to rotate by opening the third motor 35, the pinion 37 can drive the large gear 28 to rotate, the large gear 28 can drive the second screw feeding rod 32 to rotate through the disc 30, the sand caking can be prevented from accumulating in the separating tube 33 through the rotary extrusion of the second screw feeding rod 32, and when the sand moves out of the separating tube 33, the agglomerated sand can be scattered through the quick rotation of the stirring rod 38, so that the contact area with the surface of the screen plate 7 when the sand falls down can be enlarged, and further can improve the efficiency of sand screening.

The working principle of the utility model is as follows:

referring to fig. 1-4, through the cooperation use of gyro wheel 12 and extrusion piece 16, when the sieve mesh of sieve 7 is blockked up, the user can drive ball screw 4 through opening first motor 3 and rotate this moment, thereby make ball screw 4 can drive lead screw nut movable plate 5 and remove, lead screw nut movable plate 5 can drive gyro wheel 12 extrusion piece 16 at the in-process that removes, thereby make extrusion piece 16 can upwards move and drive ejector pin 14, and then make ejector pin 14 can dredge the sieve mesh of sieve 7, simultaneously scraper blade 20 can push the inside of collection box 22 with ejecting stone, thereby make equipment can accomplish the collection to the stone, simultaneously can prevent again that the jam of sieve 7, and then can prevent that the equipment screening efficiency that the sieve 7 from blockked up and cause from reducing, can improve the clean efficiency of equipment to sieve 7 again when lightening user's burden, simultaneously also guaranteed the screening quality of sieve 7, sand grain after the screening can concentrate down through discharge gate 24 afterwards, and then use when making things convenient for municipal construction.

Further, referring to fig. 1, 5 and 6 of the specification, through the cooperation of the second screw feeding rod 32 and the stirring rod 38, in order to enlarge the contact area with the sieve plate 7 when sand particles fall, firstly, a user can drive the first screw feeding rod 26 to push the sand particle pile by opening the second motor 25, so that the sand particles can enter the separating tube 33, at this time, the user can open the third motor 35 to drive the pinion 37, so that the large gear 28 can drive the second screw feeding rod 32 to squeeze and rotate the sand particles in the separating tube 33, thereby preventing the agglomerated sand particles from accumulating in the separating tube 33, and meanwhile, after the sand particles are removed from the separating tube 33, the stirring rod 38 can scatter the agglomerated sand particles, so that the contact area with the surface of the sieve plate 7 when the sand particles fall can be enlarged, and the sand particle screening efficiency can be improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The sand screening equipment with the screening function comprises a screening box (1);

the feed inlet (2) is fixedly connected to the top of the screening box (1);

the method is characterized in that:

screening case (1) one end fixedly connected with first motor (3), first motor (3) output fixedly connected with ball screw (4), ball screw (4) outside cover is equipped with lead screw nut movable plate (5) of looks adaptation, screening case (1) inner wall symmetry fixedly connected with a plurality of fixed blocks (6), screening case (1) inside is equipped with sieve (7), sieve (7) bottom fixedly mounted with vibrating motor (8), sieve (7) bottom fixedly connected with and first spring (9) of fixed block (6) looks adaptation, first spring (9) bottom and fixed block (6) fixedly connected with, lead screw nut movable plate (5) inner wall fixedly connected with mounting panel (10), mounting panel (10) center fixedly connected with installation piece (11), installation piece (11) outer wall symmetry rotation is connected with two gyro wheels (12), screening case (1) inner wall fixedly connected with backup pad (13), backup pad (13) surface sliding connection has a plurality of sieve (14) with ejector pin (7) looks adaptation.

2. A sand screening apparatus having a screening function as claimed in claim 1, wherein: a plurality of first through grooves (15) are formed in the surface of the supporting plate (13), a plurality of extrusion blocks (16) matched with the idler wheels (12) are fixedly connected to the bottoms of the ejector rods (14), two second springs (17) are symmetrically and fixedly connected to the tops of the extrusion blocks (16), and the tops of the two second springs (17) are fixedly connected to the bottoms of the supporting plate (13).

3. A sand screening apparatus having a screening function as claimed in claim 1, wherein: the screening box (1) inner wall fixedly connected with bracing piece (18), bracing piece (18) run through in lead screw nut movable plate (5), lead screw nut movable plate (5) and screening box (1) sliding connection.

4. A sand screening apparatus having a screening function as claimed in claim 1, wherein: two baffles (19) are symmetrically and fixedly connected to the outer wall of the screen plate (7), the screw nut moving plate (5) is U-shaped, and a scraper (20) matched with the screen plate (7) is fixedly connected to the inner wall of the screw nut moving plate (5).

5. A sand screening apparatus having a screening function as claimed in claim 1, wherein: the top of the mounting block (11) is level with the height of the roller (12), and the top of the extrusion block (16) is provided with an inclined plane.

6. A sand screening apparatus having a screening function as claimed in claim 1, wherein: the screening box (1) one end has seted up second through groove (21), screening box (1) outer wall fixedly connected with recovery box (22).

7. A sand screening apparatus having a screening function as claimed in claim 1, wherein: screening case (1) bottom fixedly connected with base (23), discharge gate (24) have been seted up to screening case (1) bottom, screening case (1) top fixed mounting has second motor (25), second motor (25) output fixedly connected with first spiral feed rod (26), first spiral feed rod (26) are located inside feed inlet (2).

8. A sand screening apparatus having a screening function as claimed in claim 1, wherein: the utility model provides a plurality of feed inlets (27) that are linked together with feed inlet (2) have been seted up at screening case (1) top, screening case (1) inner wall rotation is connected with a plurality of bull gears (28) with feed inlets (27) looks adaptation, third tee bend groove (29) that are linked together with feed inlets (27) have been seted up at bull gear (28) center, third tee bend groove (29) inner wall fixedly connected with disc (30), a plurality of fourth slots (31) have been seted up to disc (30) top symmetry, a plurality of spiral pay-off pole (32) of disc (30) bottom center fixedly connected with, bull gear (28) bottom rotation is connected with separating tube (33), separating tube (33) outer wall fixedly connected with dead lever (34), dead lever (34) top and screening case (1) fixedly connected with, a plurality of third motors (35) of equidistance fixedly connected with in screening case (1) top inner wall equidistance, third motor (35) output fixedly connected with disc (36), pivot (36) outer wall fixedly connected with pinion (37) of bull gear (28) meshing.

9. A sand screening apparatus having a screening function as claimed in claim 8, wherein: the bottom of the rotating shaft (36) is fixedly connected with a stirring rod (38), and the height of the stirring rod (38) is lower than that of the bottom of the separation tube (33).

10. A sand screening apparatus having a screening function as claimed in claim 8, wherein: the second spiral feeding rod (32) is positioned inside the separation tube (33), and the outer wall size of the second spiral feeding rod (32) is matched with the inner wall size of the separation tube (33).

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