Sand screening device for constructional engineering

Abstract

The utility model provides a sand screening device for constructional engineering, which belongs to the technical field of sand screening and comprises a base, a shaking mechanism is arranged in the base, a supporting column is arranged on the base, a feeding box is arranged at the upper end of the supporting column, and a filter box is arranged on the side of the supporting column. When an existing sand screening device is used, a control valve is opened, sand is poured into a sand screening box, an electric telescopic push rod extends to drive the inlet end of the sand screening box to ascend for screening, and due to the fact that the inlet end of the sand screening box ascends continuously, the sand cannot slide into the sand screening box from a guide pipe through the height difference any more; the problems that if the inlet end of the sand screening box is not lifted, sand in the sand screening box can only move transversely, the sand screening efficiency is low, and practicability is not high are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sand screening technical field, and specifically relates to a sand screening device for building engineering. BACKGROUND

[0002] In building engineering, sand of different diameters is needed for concrete pouring, plastering and other engineering, so sand screening devices are needed to screen sand of different thicknesses to select sand suitable for different engineering.

[0003] The existing patent with publication number CN215844193U discloses a sand screening device, which comprises a support column fixed to one side of a base, a hopper is arranged at the top of the support column, the bottom of the hopper is connected with the inlet of a conduit through a control valve, the outlet of the conduit is connected with the inlet of a sand screening box, two supporting rods are connected with the bottom of the sand screening box through a pin shaft, the bottom of the supporting rod is connected with the extension end of an electric telescopic push rod, and the bottom end of the electric telescopic push rod is fixed to the base.

[0004] When the control valve is opened to pour sand into the sand screening box, the electric telescopic push rod is elongated to drive the inlet end of the sand screening box to rise for screening, but due to the rising of the inlet end of the sand screening box, sand cannot slide from the conduit to the sand screening box by using the height difference, so sand cannot be continuously poured into the sand screening box for screening, which has certain limitations, and if the inlet end of the sand screening box is not lifted, the sand in the sand screening box can only move horizontally, the sand screening efficiency is low, and the practicality is not high. SUMMARY

[0005] The utility model discloses a sand screening device for building engineering, which aims to solve the problem that the existing sand screening device has certain limitations when used, the control valve is opened to pour sand into the sand screening box, the electric telescopic push rod is elongated to drive the inlet end of the sand screening box to rise for screening, but due to the rising of the inlet end of the sand screening box, sand cannot slide from the conduit to the sand screening box by using the height difference, so sand cannot be continuously poured into the sand screening box for screening, which has certain limitations, and if the inlet end of the sand screening box is not lifted, the sand in the sand screening box can only move horizontally, the sand screening efficiency is low, and the practicality is not high.

[0006] The utility model embodiment provides a sand screening device for building engineering, which comprises a base, a shaking mechanism is arranged in the base, a support column is arranged on the base, an inlet box is arranged at the upper end of the support column, and a filter box is arranged on the side of the support column.

[0007] Further, the shaking mechanism comprises a motor fixedly connected to the top of the inner wall of the base and a slide fixedly connected to the bottom of the inner wall of the base, a rotating seat is arranged between the slide and the motor, the motor and the rotating seat are connected through a belt transmission, the rotating seat is rotatably connected to the bottom of the inner wall of the base, the upper end of the rotating seat is fixedly connected with a rotating disc, the side away from the rotating seat of the rotating disc is eccentrically provided with a connecting column, the connecting column is movably connected with a connecting rod, and the other end of the connecting rod is movably connected with the filter box on one side of the base.

[0008] By adopting the above technical scheme, the motor is started, the motor drives the belt to rotate, the rotating seat can rotate under the driving of the belt, the rotating disc can rotate synchronously with the rotating seat, the connecting column eccentrically arranged on the rotating disc also rotates, and then drives the connecting rod to move, so that the filter box moves.

[0009] Further, the bottom of the filter box outwardly extends two convex edges, the slide is in a concave shape with an opening upward, and the convex edges slide in the slide.

[0010] By adopting the above technical scheme, the filter box can slide forward and backward in the slide through the convex edges, so that the filter box does not separate from the slide during movement.

[0011] Further, the feeding box is provided with a first sand outlet at the bottom of one side of the filter box, a falling stone port is arranged at the side opposite to the first sand outlet, a first filter screen is obliquely arranged in the feeding box, one end of the first filter screen away from the first sand outlet is arranged towards the falling stone port, a slope is arranged below the first filter screen, the slope is arranged towards the first sand outlet, and a first feeding port is arranged above the feeding box.

[0012] By adopting the above technical scheme, after the sand is poured into the feeding box, the larger stones cannot pass through the first filter screen and directly fall from the falling stone port to the outside, and the remaining sand falls on the slope through the first filter screen and enters the filter box from the first sand outlet.

[0013] Further, the filter box is provided with a second feeding port above the filter box, the first feeding port is arranged towards the second feeding port, a second filter screen and a third filter screen are obliquely arranged in the filter box, the second filter screen and the third filter screen are arranged in opposite directions, and a second sand outlet and a third sand outlet are arranged on the two sides of the filter box, respectively, and the second filter screen and the third filter screen are arranged towards the second sand outlet and the third sand outlet, respectively.

[0014] By adopting the above technical scheme, the second filter screen and the third filter screen can further filter the sand entering the filter box, and the separated sand is leaked from the second sand outlet and the third sand outlet, respectively.

[0015] Further, the first filter screen, the second filter screen and the third filter screen have a decreasing size of the aperture.

[0016] By adopting the above technical scheme, the first filter screen, the second filter screen and the third filter screen can filter out sand and stones with different sizes, thereby improving the sand screening efficiency.

[0017] The utility model discloses the beneficial effect that:

[0018] 1. The utility model discloses a filter box, support column and the setting of feed inlet box, after the sand enters the feed inlet box, because feed inlet box, support column and filter box are all vertically arranged, and then under the action of gravity, the sand can directly fall into the filter box and filter, so that the whole can continuously filter the sand and improve the sand screening effect, and greatly reduce the limitation.

[0019] 2. The utility model discloses the setting of the shaking mechanism, motor starts, and the motor drives the belt to rotate, and the rotary seat can rotate under the drive of the belt, and the connecting column eccentrically arranged on the rotary disc also rotates, and then drives the connecting rod to move, and then the filter box can move forward and backward in the slide, simulates the effect that the worker shakes the sand screening with hand forward and backward, further improves the sand screening efficiency of the whole, and improves practicality.

[0020] The other features and advantages of the utility model will be set forth in the subsequent description, and partially become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure specially pointed out in the description and the drawings. DETAILED DESCRIPTION

[0021] The drawings are used to provide further understanding of the utility model, and constitute a part of the description, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0022] Fig. 1 It is the front perspective structure schematic diagram of the utility model embodiment;

[0023] Fig. 2 It is the filter box side view perspective structure schematic diagram of the utility model embodiment;

[0024] Fig. 3 It is the a place enlarged structure schematic diagram of the utility model embodiment;

[0025] Mark No. : 1, base; 2, shaking mechanism; 21, motor; 22, slide; 23, rotating seat; 24, belt; 25, rotating disc; 26, connecting column; 27, connecting rod; 3, support column; 4, feeding box; 41, first sand outlet; 42, falling stone outlet; 43, first filter screen; 44, inclined plate; 5, filter box; 51, convex edge; 52, second filter screen; 53, third filter screen; 54, second sand outlet; 55, third sand outlet. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the technical scheme of the utility model more clear, the technical scheme of the utility model embodiment will be described clearly and completely in the following combined with the drawings of the utility model specific embodiment. Same reference signs in the drawings represent same parts. It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] WITH REFERENCE Figs. 1-3 The utility model embodiment proposes a sand screening device for construction engineering, including base 1, the inside of base 1 is equipped with shaking mechanism 2, shaking mechanism 2 includes the motor 21 of fixed connection in the inner wall top of base 1 and the slide 22 of fixed connection in the inner wall bottom of base 1, the bottom of filter box 5 extends outward and has two convex edges 51, the slide 22 is the concave letter shape structure of opening upward, and the convex edge 51 slides in the slide 22, filter box 5 can slide back and forth in the slide 22 through the convex edge 51, so that filter box 5 does not separate from the slide 22 in the movement process, the rotating seat 23 is arranged between the slide 22 and the motor 21, the motor 21 and the rotating seat 23 are driven and cooperated through the belt 24, the rotating seat 23 is rotatably connected with the inner wall bottom of base 1, the upper end of rotating seat 23 is fixedly connected with rotating disc 25, the side of rotating disc 25 away from rotating seat 23 is eccentrically provided with connecting column 26, connecting column 26 is movably connected with connecting rod 27, the other end of connecting rod 27 is movably connected with filter box 5 on one side in base 1, the motor 21 starts, the motor 21 drives the belt 24 to rotate, the rotating seat 23 can rotate under the drive of the belt 24, rotating disc 25 can rotate synchronously with the rotating seat 23, the connecting column 26 eccentrically arranged on rotating disc 25 also rotates, and then drives connecting rod 27 to move, so that filter box 5 moves back and forth on the slide 22, simulates the effect that the worker shakes sand screening back and forth with hand, further improves the overall sand screening efficiency and improves practicability.

[0028] WITH REFERENCE Figs. 1-3The base 1 is provided with a support column 3, the upper end of the support column 3 is provided with a feeding box 4, the feeding box 4 is provided with a first sand outlet 41 at the bottom of one side of the filter box 5, the opposite side of the first sand outlet 41 is provided with a rock falling port 42, the first filter screen 43 is obliquely inserted in the feeding box 4, the end of the first filter screen 43 away from the first sand outlet 41 is provided towards the rock falling port 42, the lower side of the first filter screen 43 is provided with an inclined plate 44, the inclined plate 44 is provided towards the first sand outlet 41, the upper side of the feeding box 4 is provided with a first feeding port, after the sand is poured into the feeding box 4, the larger stones cannot pass through the first filter screen 43 and will directly fall from the rock falling port 42 to the outside, the remaining sand will pass through the first filter screen 43 and fall on the inclined plate 44 and enter the filter box 5 from the first sand outlet 41.

[0029] Referring to Figs. 1-3 The side of the support column 3 is provided with a filter box 5, the upper side of the filter box 5 is provided with a second feeding port, the first feeding port is provided towards the second feeding port, the inside of the filter box 5 is obliquely inserted with a second filter screen 52 and a third filter screen 53, the inclination directions of the second filter screen 52 and the third filter screen 53 are opposite, the two sides of the filter box 5 are respectively provided with a second sand outlet 54 and a third sand outlet 55, the second filter screen 52 and the third filter screen 53 are respectively provided towards the second sand outlet 54 and the third sand outlet 55, the second filter screen 52 and the third filter screen 53 can further filter the sand entering the filter box 5 and respectively leak the separated sand from the second sand outlet 54 and the third sand outlet 55, the pore sizes of the first filter screen 43, the second filter screen 52 and the third filter screen 53 are in a decreasing state, the first filter screen 43, the second filter screen 52 and the third filter screen 53 can respectively filter out sand particles and stones of different thicknesses, improve the sand screening efficiency, the feeding box 4, the support column 3 and the filter box 5 are provided, after the sand enters the feeding box 4, because the feeding box 4, the support column 3 and the filter box 5 are all vertically provided, the sand can directly fall into the filter box 5 for filtering under the action of gravity, so that the whole can continuously filter the sand while improving the sand screening effect and greatly reducing the limitation.

[0030] The embodiment is specific: in use, the sand is poured into the feeding box 4 from the first feeding port of the feeding box 4, the first filter screen 43 filters the sand first, filters out the larger stones and leaks out through the stone falling port 42, the filtered sand can fall on the inclined plate 44 and directly fall into the filtering box 5, at this time, the second filter screen 52 and the third filter screen 53 in the filtering box 5 filter the sand twice and thrice, and the filtered sand leaks out from the second sand outlet 54 and the third sand outlet 55 respectively, at the same time, the motor 21 in the base 1 starts, the motor 21 drives the belt 24 to rotate, the rotating seat 23 can rotate under the drive of the belt 24, the rotating disc 25 can rotate synchronously with the rotating seat 23, the eccentrically arranged connecting column 26 on the rotating disc 25 also rotates, and then drives the connecting rod 27 to move, and then the filtering box 5 can move forward and backward in the slide 22, simulates the effect that the worker shakes the sand with hands forward and backward, and further improves the overall sand screening efficiency and practicality.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed for protection. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sand screening device for construction works, comprising a base (1), characterised in that, The inside of the base (1) is provided with a shaking mechanism (2), the base (1) is provided with a support column (3), the upper end of the support column (3) is provided with a feeding box (4), the side of the support column (3) is provided with a filter box (5).

2. A sand screening device for construction work as claimed in claim 1 wherein: The shaking mechanism (2) comprises a motor (21) fixedly connected to the top of the inner wall surface of the base (1) and a slide (22) fixedly connected to the bottom of the inner wall surface of the base (1), a rotating seat (23) is arranged between the slide (22) and the motor (21), the motor (21) and the rotating seat (23) are drivingly connected through a belt (24), the rotating seat (23) is rotatably connected to the bottom of the inner wall surface of the base (1), the upper end of the rotating seat (23) is fixedly connected with a rotating disc (25), the side away from the rotating seat (23) of the rotating disc (25) is eccentrically provided with a connecting column (26), the connecting column (26) is movably connected with a connecting rod (27), the other end of the connecting rod (27) is movably connected with the filter box (5) on one side of the base (1).

3. A sand screening device for construction work as claimed in claim 2 wherein: The bottom of the filter box (5) extends outwardly with two convex edges (51), the slide (22) is in a concave shape structure with an opening upward, and the convex edges (51) slide in the slide (22).

4. A sand screening device for construction work as claimed in claim 1, wherein: The feeding box (4) is provided with a first sand outlet (41) at the bottom of one side of the filter box (5), the side opposite to the first sand outlet (41) is provided with a rock falling port (42), the feeding box (4) is obliquely inserted with a first filter screen (43), one end of the first filter screen (43) away from the first sand outlet (41) is provided towards the rock falling port (42), the lower side of the first filter screen (43) is provided with an inclined plate (44), the inclined plate (44) is provided towards the first sand outlet (41), and the upper side of the feeding box (4) is provided with a first feeding port.

5. A sand screening device for construction work as claimed in claim 1, wherein: The upper side of the filter box (5) is provided with a second feeding port, the first feeding port is provided towards the second feeding port, the inside of the filter box (5) is obliquely inserted with a second filter screen (52) and a third filter screen (53), the inclination directions of the second filter screen (52) and the third filter screen (53) are opposite, the two sides of the filter box (5) are respectively provided with a second sand outlet (54) and a third sand outlet (55), and the second filter screen (52) and the third filter screen (53) are respectively provided towards the second sand outlet (54) and the third sand outlet (55).

6. A sand screening device for construction work as claimed in claim 4, wherein: The aperture sizes of the first filter screen (43), the second filter screen (52) and the third filter screen (53) are in a decreasing state.

Images