CN215465930U - Grit screening plant for construction - Google Patents

Abstract

The utility model discloses a sand and stone screening device for building construction, which comprises a box body, a first motor and a second motor, wherein the lower end inside the box body is movably connected with a first storage box, the left end and the right end of the box body are fixedly connected with discharge ports, the left end inside the box body is rotatably connected with a rotating shaft, the rotating shaft is welded with a connecting disc, the upper end of the connecting rod is integrally connected with a spring, a limiting strip is welded at the left end inside the box body, the rear end of the box body is fixedly connected with a feeding barrel, the upper front end of the feeding barrel is integrally connected with a feeding pipe, the inside of the feeding barrel is rotatably connected with a connecting shaft, the outer surface of the connecting shaft is fixedly connected with blades, and the bottom end of the connecting shaft is provided with the second motor. This grit screening plant for construction is convenient for accelerate the speed of screening, prevents to block up, and carries out the material loading easily to the convenience carries out multistage screening to the grit.

Description

Grit screening plant for construction

Technical Field

The utility model relates to the technical field related to building construction, in particular to a sand and stone screening device for building construction.

Background

Along with the rapid development of the building industry, people also have more and more requirements on building construction, so that the types of equipment for building construction are various, sand stones are indispensable materials in building construction, and the sand stones need to be screened by using a screening device when in use.

However, the general sand and stone screening device for building construction is inconvenient to accelerate the screening speed, easy to block, difficult to feed and inconvenient to carry out multi-stage screening on sand and stone.

Disclosure of Invention

The utility model aims to provide a sand and stone screening device for building construction, which solves the problems that most of sand and stone screening devices for building construction proposed in the background technology are inconvenient to accelerate screening speed, easy to block, difficult to feed and inconvenient to carry out multi-stage screening on sand and stone.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand and stone screening device for building construction comprises a box body, a first motor and a second motor, wherein the lower end inside the box body is movably connected with a first storage box, the middle lower end inside the box body is connected with a first sieve plate through a bolt, the middle upper end inside the box body is connected with a second sieve plate through a bolt, the left end and the right end of the box body are both fixedly connected with discharge ports, the second storage box is placed at the lower side of the discharge port at the right end, a third storage box is placed at the lower side of the discharge port at the left end, the left end inside the box body is rotatably connected with a rotating shaft, the rear end of the rotating shaft is provided with the first motor, a connecting disc is welded on the rotating shaft, the lower end of the connecting disc is in contact with a connecting rod, the upper end of the connecting rod is integrally connected with a spring, the lower end of the spring is integrally connected to the upper end of a limiting bar, the limiting bar is welded at the left end inside the box body, and the rear end fixedly connected with pay-off section of thick bamboo of box, the last front end integration of pay-off section of thick bamboo is connected with the inlet pipe, and the inside rotation of pay-off section of thick bamboo is connected with the connecting axle, the outer fixed surface of connecting axle is connected with the blade, and the bottom of connecting axle installs the second motor.

Preferably, the first sieve plate and the second sieve plate are distributed in the box body in an inclined manner, the inclination directions of the first sieve plate and the second sieve plate are opposite, and the mesh diameter of the second sieve plate is larger than that of the first sieve plate.

Preferably, the discharge port is corresponding to the lower end of the first sieve plate and the lower end of the second sieve plate, and a sliding structure is formed by the first storage box and the box body, wherein the first storage box is arranged on the lower side of the first sieve plate.

Preferably, the intersection point of the rotating shaft and the connecting disc is not in common with the center of the connecting disc, and the connecting discs are distributed on the rotating shaft at equal intervals.

Preferably, the connecting discs and the connecting rods are in one-to-one correspondence in position from top to bottom, the longitudinal section of each connecting rod is T-shaped, the connecting rods and the first sieve plates form a lifting structure through limiting strips, and the limiting strips are of a porous structure.

Preferably, the feeding barrel forms a communicating structure with the box body through the feeding pipe, and blades arranged inside the feeding barrel are spirally distributed on the outer surface of the connecting shaft.

Compared with the prior art, the utility model has the beneficial effects that: the sand and stone screening device for building construction is convenient for accelerating the screening speed, preventing blockage, easily feeding and conveniently carrying out multi-stage screening on sand and stone;

1. the screening device is provided with a connecting disc and connecting rods, the connecting disc is distributed on the rotating shaft at equal intervals, so that the lower end of the second sieve plate is collided when the uniformly distributed connecting disc rotates, and the connecting rods are driven to lift when the connecting disc rotates due to the structural design of the connecting rods and the first sieve plate, so that the lower end of the connecting rods collides with the first sieve plate, the screening speed is accelerated, and blockage is prevented;

2. the feeding device is provided with a feeding cylinder and blades, wherein the blades are spirally distributed on the outer surface of a connecting shaft, so that the sandstone at the lower end in the feeding cylinder is moved to the upper end when the blades rotate, and the sandstone at the upper end in the feeding cylinder enters the box body through a feeding pipe due to the structural design of the feeding cylinder and the box body, so that the feeding is easy;

3. be equipped with second sieve and first sieve, the mesh diameter of second sieve is greater than the mesh diameter of first sieve for the grit carries out the screening that carries on progressively through second sieve and first sieve, and the slope opposite direction of first sieve and second sieve makes the grit that leaves on first sieve and the second sieve pass through the discharge gate and gets into respectively in second storage tank and the third storage tank, thereby conveniently carries out multistage screening to the grit.

Drawings

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

FIG. 2 is a schematic diagram of a left side sectional view of the connection of the feeding barrel and the connecting shaft according to the present invention;

FIG. 3 is a schematic diagram of a right side sectional view of the connection between the rotating shaft and the connecting disc according to the present invention;

FIG. 4 is a schematic view of a top-view cross-sectional structure of the connection between the stopper bar and the connecting rod of the present invention.

In the figure: 1. a box body; 2. a first storage box; 3. a first screen deck; 4. a second screen deck; 5. a discharge port; 6. a second storage compartment; 7. a third storage box; 8. a rotating shaft; 9. a first motor; 10. a connecting disc; 11. a connecting rod; 12. a spring; 13. a limiting strip; 14. a feed cylinder; 15. a feed pipe; 16. connecting shaft, 17, blade; 18. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sand and stone screening device for building construction comprises a box body 1, a first storage box 2, a first sieve plate 3, a second sieve plate 4, a discharge port 5, a second storage box 6, a third storage box 7, a rotating shaft 8, a first motor 9, a connecting disc 10, a connecting rod 11, a spring 12, a limiting strip 13, a feeding barrel 14, a feeding pipe 15, a connecting shaft 16, a blade 17 and a second motor 18, wherein the lower end inside the box body 1 is movably connected with the first storage box 2, the lower end inside the box body 1 is connected with the first sieve plate 3 through a bolt, the upper end inside the box body 1 is connected with the second sieve plate 4 through a bolt, the left end and the right end of the box body 1 are fixedly connected with the discharge port 5, the second storage box 6 is placed on the lower side of the discharge port 5 at the right end, the third storage box 7 is placed on the lower side of the discharge port 5 at the left end, the left end inside the box body 1 is rotatably connected with the rotating shaft 8, and the first motor 9 is installed at the rear end of the rotating shaft 8, welded connection has connection pad 10 in pivot 8, and the lower extreme of connection pad 10 contacts with connecting rod 11, the upper end integration of connecting rod 11 is connected with spring 12, and the lower extreme integration of spring 12 is connected in the upper end of spacing 13, spacing 13 welded connection is at the inside left end of box 1, and the rear end fixedly connected with feed cylinder 14 of box 1, the last front end integration of feed cylinder 14 is connected with inlet pipe 15, and the internal rotation of feed cylinder 14 is connected with connecting axle 16, the external fixed surface of connecting axle 16 is connected with blade 17, and second motor 18 is installed to the bottom of connecting axle 16.

As shown in fig. 1 and 2, the feeding barrel 14 forms a communication structure with the box body 1 through the feeding pipe 15, blades 17 arranged in the feeding barrel 14 are spirally distributed on the outer surface of the connecting shaft 16, sand at the lower end in the feeding barrel 14 moves to the upper end in the feeding barrel 14 through the spirally distributed blades 17, and enters the upper end in the box body 1 through the guiding of the feeding pipe 15;

as shown in fig. 1 and 3, the intersection point of the rotating shaft 8 and the connecting disc 10 is not in common with the center of the connecting disc 10, the connecting discs 10 are distributed on the rotating shaft 8 at equal intervals, the connecting disc 10 can drive the connecting rod 11 to descend while colliding with the lower end of the second sieve plate 4 when rotating, the connecting discs 10 are uniformly distributed on the rotating shaft 8, the connecting discs 10 correspond to the connecting rods 11 one by one, the longitudinal section of each connecting rod 11 is in a T shape, the connecting rod 11 and the first sieve plate 3 form a lifting structure through a limiting strip 13, the limiting strip 13 is in a porous structure, the lower end of each connecting disc 10 corresponds to one connecting rod 11 to prevent the connecting rod 11 from being separated from the limiting strip 13, and the connecting rod 11 is lifted on the limiting strip 13 through the connecting disc 10 and a spring 12 to prevent sand from remaining on the limiting strip 13;

as shown in fig. 1 and fig. 4, the first sieve plate 3 and the second sieve plate 4 are distributed in the box body 1 in an inclined manner, the inclined directions of the first sieve plate 3 and the second sieve plate 4 are opposite, the mesh diameter of the second sieve plate 4 is larger than that of the first sieve plate 3, the second sieve plate 4 and the first sieve plate 3 progressively sieve sand, the reserved sand enters the third storage tank 7 and the second storage tank 6 through the inclined arrangement of the first sieve plate 3 and the second sieve plate 4, the discharge ports 5 correspond to the lower end positions of the first sieve plate 3 and the second sieve plate 4 respectively, the first storage tank 2 arranged on the lower side of the first sieve plate 3 and the box body 1 form a sliding structure, the lower ends of the first sieve plate 3 and the second sieve plate 4 correspond to the discharge ports 5 respectively, and the first storage tank 2 can be taken out from the box body 1.

The working principle is as follows: when the sand screening device for building construction is used, with reference to the figures 1 and 2, sand is poured at the lower end inside the feeding cylinder 14, the second motor 18 drives the connecting shaft 16 to rotate when working, so that the spirally distributed blades 17 convey the sand to the upper end inside the feeding cylinder 14 and enter the upper end inside the box body 1 through the guide of the feeding pipe 15;

with reference to fig. 1 and 3, the first motor 9 drives the rotating shaft 8 to rotate when operating, the rotating shaft 8 drives the connecting discs 10 arranged at equal intervals to rotate when rotating, and because the intersection point of the rotating shaft 8 and the connecting discs 10 is not in common with the center of the connecting discs 10, the connecting rod 11 is driven to descend while the lower end of the second sieve plate 4 can be collided when the connecting discs 10 rotate, the upper end of the connecting rod 11 is always contacted with the outer end of the connecting discs 10 due to the arrangement of the spring 12, the connecting rod 11 slides up and down in the limiting strip 13, and the lower end of the connecting rod 11 collides with the first sieve plate 3, so that the screening speed is increased, and blockage is prevented;

combine figure 1 and figure 4, the grit gets into behind the inside upper end of box 1, because the mesh diameter of second sieve 4 is greater than the mesh diameter of first sieve 3, consequently sieve the grit step by step through second sieve 4 and first sieve 3, the grit of staying on second sieve 4 falls in the inside of second storage tank 6 through the discharge gate 5 of right-hand member and collects, the grit of staying on first sieve 3 gets into the inside of third storage tank 7 through the discharge gate 5 of left end and collects, the grit that the granule is little after the screening of first sieve 3 then falls in the inside collection of first storage tank 2, this is exactly this construction uses grit screening plant's theory of operation.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a grit screening plant for construction, includes box (1), first motor (9) and second motor (18), its characterized in that: the lower end of the inside of the box body (1) is movably connected with a first storage box (2), the lower end of the inside of the box body (1) is connected with a first sieve plate (3) through a bolt, the upper end of the inside of the box body (1) is connected with a second sieve plate (4) through a bolt, the left end and the right end of the box body (1) are both fixedly connected with a discharge hole (5), a second storage box (6) is placed at the lower side of the right end discharge hole (5), a third storage box (7) is placed at the lower side of the left end discharge hole (5), the left end of the inside of the box body (1) is rotatably connected with a rotating shaft (8), a first motor (9) is installed at the rear end of the rotating shaft (8), a connecting disc (10) is welded on the rotating shaft (8), the lower end of the connecting disc (10) is in contact with a connecting rod (11), and the upper end of the connecting rod (11) is integrally connected with a spring (12), and the lower extreme integration of spring (12) is connected in the upper end of spacing (13), spacing (13) welded connection is at the inside left end of box (1), and the rear end fixedly connected with feed cylinder (14) of box (1), the last front end integration of feed cylinder (14) is connected with inlet pipe (15), and the internal rotation of feed cylinder (14) is connected with connecting axle (16), the external fixed surface of connecting axle (16) is connected with blade (17), and second motor (18) are installed to the bottom of connecting axle (16).

2. The sand and stone screening device for building construction according to claim 1, characterized in that: the first sieve plate (3) and the second sieve plate (4) are distributed in the box body (1) in an inclined manner, the inclined directions of the first sieve plate (3) and the second sieve plate (4) are opposite, and the mesh diameter of the second sieve plate (4) is larger than that of the first sieve plate (3).

3. The sand and stone screening device for building construction according to claim 1, characterized in that: the lower extreme position of discharge gate (5) first sieve (3) and second sieve (4) is corresponding respectively, and first storage tank (2) and box (1) that first sieve (3) downside set up constitute sliding construction.

4. The sand and stone screening device for building construction according to claim 1, characterized in that: the intersection point of the rotating shaft (8) and the connecting disc (10) is not in common with the center of the connecting disc (10), and the connecting discs (10) are distributed on the rotating shaft (8) at equal intervals.

5. The sand and stone screening device for building construction according to claim 1, characterized in that: the connecting discs (10) are in up-down one-to-one correspondence with the connecting rods (11), the longitudinal section of each connecting rod (11) is T-shaped, the connecting rods (11) and the first sieve plates (3) form a lifting structure through limiting strips (13), and the limiting strips (13) are of a porous structure.

6. The sand and stone screening device for building construction according to claim 1, characterized in that: the feeding barrel (14) and the box body (1) form a communicating structure through the feeding pipe (15), and blades (17) arranged in the feeding barrel (14) are distributed on the outer surface of the connecting shaft (16) in a spiral shape.

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