CN220004925U - Sand screening device for house construction engineering - Google Patents

Abstract

The utility model relates to the technical field of building engineering, in particular to a sand screening device for building engineering, which comprises a machine body, wherein the machine body comprises a sand screening box, the top end of the sand screening box is provided with a feed inlet, the inner side of the sand screening box is provided with a sand screening frame, and the bottom end of the sand screening frame is fixedly connected with a first screen. According to the utility model, the agglomerated sand clusters can be broken up by rotating the breaking rod, the sand clusters are broken, the agglomerated sand clusters can be prevented from being treated as large-particle impurities, sand can be better screened, the sand utilization rate can be improved, meanwhile, the sand can be conveyed by the action of the spiral conveying rod, the sand can fall to the inner side of the sand screening frame through the second screen to be continuously screened, and the large-particle impurities can be discharged through the second discharge hole under the action of the spiral conveying rod, so that the sand can be primarily screened, and further double screening can be realized by the action of the second screen and the first screen.

Description

Sand screening device for house construction engineering

Technical Field

The utility model relates to the technical field of building engineering, in particular to a sand screening device for building engineering.

Background

The house construction engineering refers to engineering entities formed by construction of various house constructions and auxiliary facilities thereof and installation activities of lines, pipelines and equipment matched with the house constructions, wherein the house constructions refer to engineering which has a top cover, beam columns, walls and foundations and can form an inner space and meet the requirements of people on production, living, study and public activities, sand is an important material of the house constructions, the thickness degree of the sand refers to the average thickness degree of sand grains mixed together with different grain sizes, and the grain grading of the sand refers to the matching proportion of sand grains. If the sand is the sand with the same thickness, the gap is the largest, the sand with two particle sizes is matched, the gap is reduced, and the sand with three particle sizes is matched, so that the gap is smaller. Therefore, the void ratio of the sand depends on the collocation degree of the grain sizes of all levels of the sand materials, and the graded sand not only can save cement, but also can improve the compactness and strength of concrete and mortar, so that before the house construction engineering is carried out, the sand is screened by a sand screening device, and the grading quality of the sand grains is judged.

In the prior art, when sieving sand device sieves the sand of engineering is built to the room, probably there is wet sand agglomeration's phenomenon, owing to be inconvenient for carry out breakage and dispersion to the sand group of caking, after the sand group of caking enters into screening case, owing to its mobility is relatively poor, pile up easily at the surface of screen cloth, be difficult for sieving by the screen cloth, thereby can be handled as large granule impurity, can reduce sand utilization ratio, cause extravagant, be unfavorable for saving the engineering cost is built in the room, consequently need to design sand sieving device for engineering is built to the room to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a sand screening device for house construction engineering, which solves the problems that the agglomerated sand clusters are inconvenient to break and disperse, and the agglomerated sand clusters are easy to accumulate on the surface of a screen and are difficult to screen out due to poor fluidity after entering a screening box, so that the agglomerated sand clusters can be treated as large-particle impurities, the sand utilization rate can be reduced, waste is caused, and the house construction engineering cost is inconvenient to save.

In order to achieve the above purpose, the utility model provides the following technical scheme,

the sand screening device for the house construction engineering comprises a machine body, wherein the machine body comprises a sand screening box, a feed inlet is formed in the top end of the sand screening box, a sand screening frame is arranged on the inner side of the sand screening box, a first screen is fixedly connected to the bottom end of the sand screening frame, the first screen is movably connected to the inner side of the sand screening box, and a first discharge hole is formed in the bottom end of the sand screening box;

the utility model discloses a sand screening device, including the sand screening box, the mechanism is broken up to the top of feed inlet is provided with the mechanism of breaking up, the mechanism of breaking up includes the delivery box, delivery box fixed connection is on the top of screening the sand box, feed inlet fixed connection is at the upper surface of delivery box, the inboard swing joint of delivery box has the screw conveyer pole, the bottom of delivery box is provided with the second screen cloth, the inner wall fixedly connected with connection box of delivery box, the inboard swing joint of connection box has the second bull stick, the bottom fixedly connected with second toper tooth of second bull stick, the fixed surface of second bull stick is connected with and breaks the pole.

Preferably, the scattering mechanism further comprises a first motor, the first motor is arranged on the surface of the conveying box, a first rotating rod is movably connected to the inner side of the conveying box, a first conical tooth is fixedly connected to the surface of the first rotating rod, the first rotating rod is movably connected with the connecting box, a belt is movably connected to the surface of the spiral conveying rod, a second discharging hole is formed in the bottom end of the conveying box, and a collecting box is arranged on the surface of the sand screening box.

Preferably, the second rotating rod is in a rod shape and movably connected to the inner side of the feeding hole, and the breaking rods are in twelve groups and fixedly connected with the second rotating rod.

Preferably, the spiral conveying rod is fixedly connected with the output end of the first motor, one end of the belt is movably connected with the spiral conveying rod, and the other end of the belt is movably connected with the first rotating rod.

Preferably, the inboard of screening sand case is provided with moving mechanism, moving mechanism includes the gag lever post, gag lever post fixed connection is in the inboard of screening sand case, the last fixed surface of screening sand frame is connected with movable block, movable block and gag lever post swing joint, the fixed surface of movable block is connected with first spring, the fixed surface of screening sand case is connected with the fixed plate, the last fixed surface of fixed plate is connected with the backup pad, the inboard swing joint of backup pad has the third bull stick, the fixed surface of third bull stick is connected with incomplete gear, the surface of backup pad is provided with the second motor, the one end and the output fixed connection of second motor of incomplete gear are kept away from to the third bull stick, the inboard swing joint of screening sand case has the rack board, the fixed surface of rack board is connected with the second spring.

Preferably, the movable block is two groups and is movably connected with the limiting rod, one end of the first spring is fixedly connected with the sand screening box, the other end of the first spring is fixedly connected with the movable block, one end of the second spring is fixedly connected with the sand screening box, and the other end of the second spring is fixedly connected with the rack plate.

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

1. can realize scattering the sand lump of caking through smashing the rotation of pole, realize sand lump fragmentation, can avoid the sand lump of caking to be handled as big granule impurity, can be better sieve the sand, can promote sand utilization ratio, simultaneously through the effect of screw conveyer pole, can play the effect of carrying to the sand, can realize that the sand drops to screening sand frame inboard through the second screen cloth and continue to sieve, and big granule impurity passes through second discharge gate exhaust effect under the effect of screw conveyer pole, can realize preliminary screening to the sand, and then can realize dual screening through the effect of second screen cloth and first screen cloth, can promote the precision of screening, guarantee house construction engineering quality.

2. Can realize rack board through incomplete gear rotation and carry out the position movement to make the sand screening frame drive first screen cloth and remove, through the cooperation of rack board and second spring, can realize that sand screening frame carries out reciprocating motion in the inboard of sand screening case, and then first screen cloth can be better sieves the sand, can realize that fine sand drops through the hole of first screen cloth, and the effect of the sand of great diameter from first screen cloth surface roll-off, can promote the speed that fine sand dropped and the sand of great diameter roll-off, promote the efficiency of screening.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the utility model at B in FIG. 1;

fig. 4 is a schematic side view of the third lever and the incomplete gear of the present utility model.

In the figure: 1. screening sand boxes; 11. a feed inlet; 12. a sand screening frame; 13. a first screen; 14. a first discharge port; 2. a delivery box; 21. a screw conveyor rod; 22. a first motor; 23. a second screen; 24. a first rotating lever; 25. a first conical tooth; 26. a connection box; 27. a second rotating rod; 28. a second conical tooth; 29. breaking the rod; 210. a belt; 211. a second discharge port; 212. a collection box; 3. a limit rod; 31. a movable block; 32. a first spring; 33. a fixing plate; 34. a support plate; 35. a third rotating rod; 36. an incomplete gear; 37. a second motor; 38. rack plate; 39. and a second spring.

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, an embodiment of the present utility model is provided:

the sand screening device for the house construction project comprises a machine body, wherein the machine body comprises a sand screening box 1, a feed inlet 11 is formed in the top end of the sand screening box 1, a sand screening frame 12 is arranged on the inner side of the sand screening box 1, a first screen 13 is fixedly connected to the bottom end of the sand screening frame 12, the first screen 13 is movably connected to the inner side of the sand screening box 1, a first discharge hole 14 is formed in the bottom end of the sand screening box 1, the sand screening frame 12 is arranged on the inner side of the sand screening box 1, and sand for the house construction project can be screened through the cooperation of the sand screening frame 12 and the first screen 13;

the top of feed inlet 11 is provided with breaks up the mechanism, break up the mechanism and include delivery casing 2, delivery casing 2 fixed connection is on the top of screening sand case 1, feed inlet 11 fixed connection is on the upper surface of delivery casing 2, the inboard swing joint of delivery casing 2 has screw conveyer pole 21, the bottom of delivery casing 2 is provided with second screen cloth 23, the inner wall fixedly connected with joint box 26 of delivery casing 2, the inboard swing joint of joint box 26 has second bull stick 27, the bottom fixedly connected with second cone tooth 28 of second bull stick 27, the fixed surface of second bull stick 27 is connected with breaks pole 29, second screen cloth 23 sets up the bottom at delivery casing 2, can play preliminary screening's effect to the sand, can separate sand and great granule.

Further, break up mechanism still includes first motor 22, first motor 22 sets up the surface at transport case 2, transport case 2's inboard swing joint has first dwang 24, first conical tooth 25 of the fixed surface of first dwang 24, first dwang 24 and connection box 26 swing joint, screw conveyor's 21 surface swing joint has belt 210, second discharge gate 211 has been seted up to transport case 2's bottom, the surface of screening sand case 1 is provided with collecting box 212, collecting box 212 sets up the bottom at second discharge gate 211, can carry the large granule impurity that separates out from the sand when screw conveyor 21 rotates, and through collecting box 212's setting, can realize collecting the large granule impurity of exhaust, the centralized processing of being convenient for.

Further, the second bull stick 27 is the inboard of shaft-like swing joint at feed inlet 11, smashes pole 29 and is twelve groups and second bull stick 27 fixed connection, smashes pole 29 fixed connection at the surface of second bull stick 27, and when second bull stick 27 rotates can realize smashing pole 29 and rotate thereupon, smashes pole 29 rotation and sand contact, can break up the sand cluster of caking, and then better screening sand.

Further, the output end of the spiral conveying rod 21 and the output end of the first motor 22 are fixedly connected, one end of the belt 210 is movably connected with the spiral conveying rod 21, the other end of the belt 210 is movably connected with the first rotating rod 24, two ends of the belt 210 are respectively movably connected with the spiral conveying rod 21 and the first rotating rod 24, the first rotating rod 24 can rotate under the action of the belt 210, the effect that the second conical teeth 28 rotate under the action of the first conical teeth 25 is achieved, the second rotating rod 27 drives the breaking rod 29 to rotate is achieved, and sand clusters entering the inner side of the feed inlet 11 can be broken through the rotation of the breaking rod 29.

Further, the inside of screening sand box 1 is provided with moving mechanism, moving mechanism includes gag lever post 3, gag lever post 3 fixed connection is in the inboard of screening sand box 1, the last fixed surface of screening sand frame 12 is connected with movable block 31, movable block 31 and gag lever post 3 swing joint, the fixed surface of movable block 31 is connected with first spring 32, the fixed surface of screening sand box 1 is connected with fixed plate 33, the fixed surface of fixed plate 33 is fixedly connected with backup pad 34, the inboard swing joint of backup pad 34 has third bull stick 35, the fixed surface of third bull stick 35 is connected with incomplete gear 36, the surface of backup pad 34 is provided with second motor 37, the one end that incomplete gear 36 was kept away from to third bull stick 35 and the output fixed connection of second motor 37, the inboard swing joint of screening sand box 1 has rack plate 38, rack plate 38's fixed surface is connected with second spring 39, rack plate 38 swing joint is in the inboard of screening sand box 1, through the effect of incomplete gear 36 rotation drive rack plate 38 to cooperate second spring 39, can realize that screening sand frame 12 can reciprocate at the surface of spacing sand 3 through movable block 31.

Further, the movable block 31 is two sets of and gag lever post 3 swing joint, the one end and the sand screening case 1 fixed connection of first spring 32, the other end and the movable block 31 fixed connection of first spring 32, the one end and the sand screening case 1 fixed connection of second spring 39, the other end and the rack board 38 fixed connection of second spring 39, first spring 32 is fixed with sand screening case 1 and movable block 31, can play the effect that resets to movable block 31, and then can realize that sand screening frame 12 drives first screen cloth 13 and rocks, can make sand better through first screen cloth 13 surface landing and through first screen cloth 13's hole whereabouts.

Working principle: when the sand collecting box is used, the output end of the first motor 22 is electrically connected with the input end of an external power supply through a lead, a worker starts the first motor 22 through a pressing switch, the first motor 22 operates to enable the spiral conveying rod 21 to rotate, the belt 210 moves under the action of the spiral conveying rod 21 and enables the first rotary rod 24 to drive the first conical tooth 25 to rotate, the second conical tooth 28 rotates under the action of the first conical tooth 25 and enables the second rotary rod 27 to drive the breaking rod 29 to rotate, the breaking rod 29 breaks up agglomerated sand, sand falls into the inner side of the conveying box 2 from the bottom of the feed inlet 11 and then is conveyed under the action of the spiral conveying rod 21, when sand passes through the surface of the second screen 23, the sand falls through holes of the second screen 23 and then enters the inner side of the sand screening frame 12, and larger particles are conveyed to the second discharge hole 211 under the action of the spiral conveying rod 21 and are discharged into the inner side of the collecting box 212.

The output end of the second motor 37 is electrically connected with the input end of an external power supply through a lead, a worker starts the second motor 37 through a pressing switch, the second motor 37 operates to enable the third rotating rod 35 to drive the incomplete gear 36 to rotate, the incomplete gear 36 rotates and is meshed with the rack plate 38, the rack plate 38 moves to squeeze the sand screening frame 12, at the moment, the second spring 39 is in a stretching state, the sand screening frame 12 slides on the surface of the limiting rod 3 through the movable block 31, at the moment, the first spring 32 deforms, when the incomplete gear 36 is disengaged with the rack plate 38 in the rotating process, the second spring 39 rebounds to drive the rack plate 38 to reset, meanwhile, the first spring 32 rebounds to enable the movable block 31 to drive the sand screening frame 12 to reset, the effect that the sand screening frame 12 drives the first screen 13 to reciprocate is achieved, part of fine sand falls through holes of the first screen 13 and is discharged through the first discharge port 14, and sand with larger diameter slides to the outer side of the sand screening box 1 through the surface of the first screen 13 in the moving process of the sand screening frame 12.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The sand screening device for the house construction engineering comprises a machine body, wherein the machine body comprises a sand screening box (1), a feed inlet (11) is formed in the top end of the sand screening box (1), a sand screening frame (12) is arranged on the inner side of the sand screening box (1), a first screen (13) is fixedly connected to the bottom end of the sand screening frame (12), the first screen (13) is movably connected to the inner side of the sand screening box (1), and a first discharge outlet (14) is formed in the bottom end of the sand screening box (1);

the sand screening device is characterized in that a scattering mechanism is arranged at the top end of the feeding hole (11), the scattering mechanism comprises a conveying box (2), the conveying box (2) is fixedly connected to the top end of the sand screening box (1), the feeding hole (11) is fixedly connected to the upper surface of the conveying box (2), a spiral conveying rod (21) is movably connected to the inner side of the conveying box (2), a second screen (23) is arranged at the bottom end of the conveying box (2), a connecting box (26) is fixedly connected to the inner wall of the conveying box (2), a second rotating rod (27) is movably connected to the inner side of the connecting box (26), a second conical tooth (28) is fixedly connected to the bottom end of the second rotating rod (27), and a breaking rod (29) is fixedly connected to the surface of the second rotating rod (27).

2. The sand screening device for building engineering according to claim 1, wherein: the utility model discloses a sand screening box, including mechanism, sand screening box, collection box, screw conveyer (21), mechanism of breaking up still includes first motor (22), first motor (22) set up the surface at delivery box (2), the inboard swing joint of delivery box (2) has first bull stick (24), the surface fixedly connected with of first bull stick (24) is first toper tooth (25), the surface swing joint of first bull stick (24) and junction box (26), the surface swing joint of screw conveyer (21) has belt (210), second discharge gate (211) have been seted up to the bottom of delivery box (2), the surface of screening box (1) is provided with collecting box (212).

3. The sand screening device for building engineering according to claim 1, wherein: the second rotating rod (27) is in rod-shaped movable connection at the inner side of the feeding hole (11), and the breaking rods (29) are fixedly connected with the second rotating rod (27) in twelve groups.

4. The sand screening device for building engineering according to claim 2, wherein: the spiral conveying rod (21) is fixedly connected with the output end of the first motor (22), one end of the belt (210) is movably connected with the spiral conveying rod (21), and the other end of the belt (210) is movably connected with the first rotating rod (24).

5. The sand screening device for building engineering according to claim 1, wherein: the sand screening box comprises a sand screening box body, and is characterized in that a moving mechanism is arranged on the inner side of the sand screening box body (1), the moving mechanism comprises a limiting rod (3), the limiting rod (3) is fixedly connected to the inner side of the sand screening box body (1), a movable block (31) is fixedly connected to the upper surface of the sand screening box body (12), the movable block (31) and the limiting rod (3) are movably connected, a first spring (32) is fixedly connected to the surface of the movable block (31), a fixed plate (33) is fixedly connected to the surface of the sand screening box body (1), a supporting plate (34) is fixedly connected to the upper surface of the fixed plate (33), a third rotating rod (35) is fixedly connected to the inner side of the supporting plate (34), a incomplete gear (36) is fixedly connected to the surface of the supporting plate (34), a second motor (37) is fixedly connected to the output end of the third rotating rod (35), which is far away from the incomplete gear (36), of the second motor (37), a second spring (38) is fixedly connected to the inner side of the sand screening box body (1).

6. The sand screening device for building engineering according to claim 5, wherein: the movable block (31) is in movable connection with the limiting rod (3) in two groups, one end of the first spring (32) is fixedly connected with the sand screening box (1), the other end of the first spring (32) is fixedly connected with the movable block (31), one end of the second spring (39) is fixedly connected with the sand screening box (1), and the other end of the second spring (39) is fixedly connected with the rack plate (38).