Sand screening device for constructional engineering

Abstract

The utility model discloses a sand screening device for constructional engineering, which comprises a box body, the upper surface of the box body is fixedly connected with a feed hopper, the side surface of the feed hopper is fixedly connected with a rotary motor, the output end of the rotary motor is fixedly connected with a sand scraping block, the sand scraping block is provided with a notch, and the notch is fixedly connected with the rotary motor. A rotating motor is fixedly connected to the right side face of the box body, a screw rod is fixedly connected to the output end of the rotating motor, a first-layer filter screen is fixedly connected to the side inner wall of the box body and obliquely arranged, and an industrial drying lamp is fixedly connected to the inner top wall of the box body. And the screw rod is positioned between the industrial drying lamp and the first layer of filter screen. According to the utility model, the sand scraping block is adopted to control the sand feeding speed, and the two layers of filter screens are used for filtering sand for multiple times, so that sand grains with three different purposes can be obtained.

Description

Technical Field

[0001] The utility model relates to the field of construction engineering, in particular to a sand screening device for construction engineering. Background Art

[0002] Construction engineering refers to general housing construction and the construction of facilities for people's lives. It is very important for the construction of modern human civilization. Sand screening is also an indispensable part of housing construction. The function of the sand screening device is to screen the sand and distinguish sand particles of different sizes, which can save a lot of labor and improve work efficiency.

[0003] For example, patent number CN108453039A introduces a sand screening device for construction engineering. Although it solves the problem of easy blockage of the sand screening net, it still has the following defects:

[0004] 1. Sand accumulates at the sand inlet, blocking the entry of sand;

[0005] 2. Wet sand is not easy to enter the filter screen for screening;

[0006] 3. Unable to separate sand particles of different sizes;

[0007] 4. Traditional manual labor is time-consuming and labor-intensive. Utility Model Content

[0008] The utility model aims to solve the shortcomings in the prior art and proposes a new sand screening device for construction engineering.

[0009] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sand screening device for construction engineering, comprising a box body, a feed hopper is fixedly connected to the upper surface of the box body, a rotary motor is fixedly connected to the side surface of the feed hopper, a sand scraping block is fixedly connected to the output end of the rotary motor, and the sand scraping block has a notch;

[0010] The right side of the box is fixedly connected to a rotating motor, the output end of the rotating motor is fixedly connected to a spiral rod, the side inner wall of the box is fixedly connected to a first layer of filter screen, the first layer of filter screen is tilted, the inner top wall of the box is fixedly connected to an industrial drying lamp, and the spiral rod is located between the industrial drying lamp and the first layer of filter screen;

[0011] The front surface of the box body is fixedly connected to a transmission motor, the output end of the transmission motor is fixedly connected to a sprocket, the interior of the sprocket is fixedly connected to a transmission shaft, the surface of the transmission shaft is fixedly connected to a brush, there are multiple sprockets, and the multiple sprockets are connected by chain transmission, the side inner wall of the box body is fixedly connected to a second layer of filter screen, the second layer of filter screen is tilted, the first layer of filter screen is located above the second layer of filter screen, and the transmission shaft is located between the first layer of filter screen and the second layer of filter screen;

[0012] The inner bottom surface of the box body is fixedly connected to a fixed bracket, the rear surface of the box body is fixedly connected to a power motor, the output end of the power motor is fixedly connected to a pulley, the side surface of the pulley is transmission-connected to a conveyor belt, the right inner wall and both inner walls of the box body are fixedly connected to a sand falling baffle, and the position of the sand falling baffle is located between the conveyor belt and the second layer of filter screen.

[0013] As a further description of the above technical solution:

[0014] The top of the box is fixedly connected with heat dissipation holes, and the heat dissipation holes are evenly distributed.

[0015] As a further description of the above technical solution:

[0016] The first layer of filter screen is fixedly connected to the second layer of filter screen via a fixed iron block.

[0017] As a further description of the above technical solution:

[0018] The left inner side wall of the box body is fixedly connected with a stable bottom plate, one end of the stable bottom plate away from the box body is fixedly connected with a vibration motor, and the output end of the vibration motor is connected to the second filter screen.

[0019] As a further improvement of the above technical solution:

[0020] The right side of the box body is fixedly connected with a No. 1 discharge port, the No. 1 discharge port is located on the right side of the first layer of filter screen, and a second discharge box is arranged below the No. 1 discharge port.

[0021] As a further description of the above technical solution:

[0022] A No. 2 discharge port is fixedly connected to the right side of the box body, and the No. 2 discharge port is located on the right side of the second layer of filter screen. A first drop box is arranged below the No. 2 discharge port.

[0023] As a further improvement of the above technical solution:

[0024] Description: A No. 3 discharge port is fixedly connected to the left side of the box body, and an iron plate is movably connected to the inner side of the No. 3 discharge port.

[0025] As a further improvement of the above technical solution:

[0026] The bottom of the box is fixedly connected with a support rod, and one end of the support rod away from the box is movably connected with a wheel.

[0027] The utility model has the following beneficial effects:

[0028] 1. Compared with the prior art, the sand screening device for construction engineering is provided with a sand scraping block at the feed inlet, and the output end of the rotating motor makes the sand scraping block rotate, so as to intermittently feed the sand into the screening device, so as to prevent too much sand from being fed in at one time and excessive sand accumulation, which affects the screening effect.

[0029] 2. Compared with the existing technology, the sand screening device for construction projects uses industrial drying lamps to allow the sand entering the device to evaporate more water through the rotation of the spiral rod, making the sand dry and not agglomerated, and easier to fall through the filter screen, thereby speeding up the screening speed and allowing large particles of sand and gravel to quickly fall out of the first discharge port under the propulsion of the spiral rod.

[0030] 3. Compared with the prior art, the sand screening device for construction projects can timely clean the clogged meshes on the first and second filter screens by using a brush fixedly connected to the transmission shaft, thereby accelerating the filtering speed of the device. The first and second filter screens can screen out three types of sand particles of different sizes.

[0031] 4. Compared with the prior art, the sand screening device for construction engineering does not need to waste a lot of manpower, saves labor and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the internal structure of a sand screening device for construction engineering proposed by the utility model;

[0033] Figure 2 This is a left view of a sand screening device for construction engineering proposed by the utility model;

[0034] Figure 3 This is a top view of a sand screening device for construction engineering proposed by the utility model;

[0035] Figure 4 This is a schematic diagram of the overall structure of a sand screening device for construction engineering proposed by the utility model;

[0036] Figure 5 The utility model provides a sand screening device for construction engineering Figure 1 A magnified view of the structure in the middle.

[0037] Legend:

[0038] 1. Box; 2. Iron plate; 3. Discharge port No. 3; 4. Sand falling baffle; 5. Stable bottom plate; 6. Vibration motor; 7. Second layer filter screen; 8. Fixed iron block; 9. Screw rod; 10. Sand scraper block; 11. Feed hopper; 12. Heat dissipation hole; 13. Industrial drying lamp; 14. Rotating motor; 15. Drive shaft; 16. First layer filter screen; 17. Discharge port No. 1; 18. Discharge port No. 2; 19. Power motor; 20. Rotating motor; 21. Conveyor motor; 22. Conveyor belt; 23. Support rod; 24. Wheel; 25. First blanking box; 26. Second blanking box; 27. Sprocket; 28. Fixed bracket; 29. ​​Brush; 30. Pulley. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] Reference Figure 1-4The utility model provides a sand screening device for construction engineering: it includes a box body 1, the upper surface of the box body 1 is fixedly connected with a feed hopper 11, the side surface of the feed hopper 11 is fixedly connected with a rotary motor 20, which provides power for the device to work, and the output end of the rotary motor 20 is fixedly connected with a sand scraping block 10, which is located inside the feed hopper 11, and the sand scraping block 10 is located in the sand scraping block 10. There is a gap in the sand scraping block 10, which can indirectly transmit sand downward.

[0042] By providing the above structure, the sand in the gap can be transferred downwards through the sand scraping block 10. When the gap is downwards, the sand cannot enter the gap and thus cannot be transferred.

[0043] A rotating motor 14 is fixedly connected to the right side of the box body 1 to provide power for the device. A spiral rod 9 is fixedly connected to the output end of the rotating motor 14. The spiral rod 9 rotates forward to promote the flipping and forward movement of the sand. A first layer of filter screen 16 is fixedly connected to the inner wall of the side of the box body 1. The first layer of filter screen 16 is tilted to increase the speed of sand screening. An industrial drying lamp 13 is fixedly connected to the inner top wall of the box body 1. High temperature can evaporate moisture from the wet sand, which is convenient for screen filtering. A heat dissipation hole 12 is fixedly connected to the top of the box body 1, which can evaporate water vapor from the hole. The heat dissipation holes 12 are evenly distributed, and the spiral rod 9 is located between the industrial drying lamp 13 and the first layer of filter screen 16.

[0044] By providing the above structure, the spiral rod 9 turns the sand and propels it forward, while increasing the contact area of ​​the sand, evaporating more water, and allowing the sand to be screened more quickly.

[0045] A conveying motor 21 is fixedly connected to the front surface of the box body 1 to provide power for the device to work. A sprocket 27 is fixedly connected to the output end of the conveying motor 21. A transmission shaft 15 is fixedly connected to the interior of the sprocket 27. A brush 29 is fixedly connected to the surface of the transmission shaft 15 to clean the blocked sieve holes on the first layer of filter screen 16 and the second layer of filter screen 7. There are multiple sprockets 27, and the multiple sprockets 27 are connected by chain transmission, so that the multiple brushes 29 can rotate together. The side inner wall of the box body 1 is fixedly connected to the second layer of filter screen 7 to screen out finer and more uniform sand particles. The second layer of filter screen 7 is placed obliquely to improve The speed of screening sand, the position of the first layer of filter screen 16 is above the second layer of filter screen 7, the position of the transmission shaft 15 is between the first layer of filter screen 16 and the second layer of filter screen 7, the first layer of filter screen 16 and the second layer of filter screen 7 are fixedly connected by the fixed iron block 8, so that the first layer of filter screen 16 and the second layer of filter screen 7 can vibrate together, the left inner wall of the box body 1 is fixedly connected with a stable bottom plate 5, and the end of the stable bottom plate 5 away from the box body 1 is fixedly connected with a vibration motor 6, and the output end of the vibration motor 6 is connected to the second layer of filter screen 7 to provide vibration power for the second layer of filter screen 7.

[0046] By providing the above structure, the blocked sieve holes on the first filter screen 16 and the second filter screen 7 can be cleaned by the brush 29 to prevent the drying net from being blocked. The vibration motor 6 can make the first filter screen 16 and the second filter screen 7 vibrate together by fixing the iron block 8.

[0047] The inner bottom surface of the box body 1 is fixedly connected with a fixed bracket 28, the rear surface of the box body 1 is fixedly connected with a power motor 19 to provide power for the device to work, the output end of the power motor 19 is fixedly connected with a pulley 30, and the side surface of the pulley 30 is drivingly connected with a conveyor belt 22, the right inner wall and the two inner walls of the box body 1 are fixedly connected with a sand falling baffle 4 to allow sand to fall on the conveyor belt 22, and the position of the sand falling baffle 4 is located between the conveyor belt 22 and the second layer of the filter screen 7, the left side of the box body 1 is fixedly connected with the third discharge port 3, and the inner side of the third discharge port 3 is movably connected with an iron plate 2, The conveyor belt 22 can be extended to deliver sand into the carriage, a No. 1 discharge port 17 is fixedly connected to the right side of the box body 1, the No. 1 discharge port 17 is located on the right side of the first layer of filter screen 16, a second discharge box 26 is arranged below the No. 1 discharge port 17, a No. 2 discharge port 18 is fixedly connected to the right side of the box body 1, the No. 2 discharge port 18 is located on the right side of the second layer of filter screen 7, a first discharge box 25 is arranged below the No. 2 discharge port 18, a support rod 23 is fixedly connected to the bottom of the box body 1, and a wheel 24 is movably connected to one end of the support rod 23 away from the box body 1.

[0048] By providing the above structure, sand can be transferred from the iron plate 2 on the conveyor belt 22. By providing the first blanking box 25 and the second blanking box 26, the sand sieved from the first layer of filter screen 16 and the second layer of filter screen 7 can be respectively loaded therein. The wheels 24 can fix and move the box 1, and the conveyor belt 22 can transport the sand out.

[0049] Working principle: When preparing to filter sand, place the equipment in a fixed position, pour sand from the feed hopper 11 into the device, and the sand scraper block 10 indirectly transmits it downward. The sand entering the box 1 will first fall on the inclined first layer filter screen 16, and the spiral rod 9 pushes the sand. The industrial drying lamp 13 dries the sand. The larger particles of sand are discharged from the No. 1 discharge port 17, and the smaller particles of sand fall into the inclined second layer filter screen 7. A brush 29 rotates between the two nets, and the vibration motor 6 makes the two nets vibrate. The large particles of sand screened out for the second time are discharged from the No. 2 discharge port 18, and the finer particles of sand are screened through the second layer filter screen 7 and fall down, and are transported out by the conveyor belt 22.

[0050] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A sand screening device for construction engineering, comprising a box (1), characterized in that: The upper surface of the box body (1) is fixedly connected to a feed hopper (11), the side surface of the feed hopper (11) is fixedly connected to a rotary motor (20), the output end of the rotary motor (20) is fixedly connected to a sand scraping block (10), and the sand scraping block (10) has a notch; The right side surface of the box body (1) is fixedly connected to a rotating motor (14), the output end of the rotating motor (14) is fixedly connected to a spiral rod (9), the side inner wall of the box body (1) is fixedly connected to a first layer of filter screen (16), the first layer of filter screen (16) is placed obliquely, the inner top wall of the box body (1) is fixedly connected to an industrial drying lamp (13), and the spiral rod (9) is located between the industrial drying lamp (13) and the first layer of filter screen (16); The front surface of the box body (1) is fixedly connected to a transmission motor (21), the output end of the transmission motor (21) is fixedly connected to a sprocket (27), the interior of the sprocket (27) is fixedly connected to a transmission shaft (15), the surface of the transmission shaft (15) is fixedly connected to a brush (29), there are a plurality of sprockets (27), and the plurality of sprockets (27) are connected by chain transmission, the side inner wall of the box body (1) is fixedly connected to a second layer of filter screen (7), the second layer of filter screen (7) is tilted, the first layer of filter screen (16) is located above the second layer of filter screen (7), and the transmission shaft (15) is located between the first layer of filter screen (16) and the second layer of filter screen (7); The inner bottom surface of the box body (1) is fixedly connected to a fixed bracket (28), the rear surface of the box body (1) is fixedly connected to a power motor (19), the output end of the power motor (19) is fixedly connected to a pulley (30), the side surface of the pulley (30) is drivingly connected to a conveyor belt (22), the right inner wall and both inner walls of the box body (1) are fixedly connected to a sand falling baffle (4), and the position of the sand falling baffle (4) is located between the conveyor belt (22) and the second layer of the filter screen (7).

2. A sand screening device for construction engineering according to claim 1, characterized in that: The top of the box body (1) is fixedly connected with heat dissipation holes (12), and the heat dissipation holes (12) are evenly distributed.

3. A sand screening device for construction engineering according to claim 1, characterized in that: The first layer of filter screen (16) and the second layer of filter screen (7) are fixedly connected via a fixed iron block (8).

4. A sand screening device for construction engineering according to claim 1, characterized in that: The left inner wall of the box body (1) is fixedly connected to a stable bottom plate (5), and the end of the stable bottom plate (5) away from the box body (1) is fixedly connected to a vibration motor (6), and the output end of the vibration motor (6) is connected to the second layer of filtering screen (7).

5. The sand screening device for construction engineering according to claim 1, characterized in that: The right side surface of the box body (1) is fixedly connected to a first discharge port (17), the first discharge port (17) is located on the right side of the first layer of filter screen (16), and a second discharge box (26) is arranged below the first discharge port (17).

6. A sand screening device for construction engineering according to claim 1, characterized in that: A second discharge port (18) is fixedly connected to the right side of the box body (1), and the second discharge port (18) is located on the right side of the second layer of filter screen (7). A first discharge box (25) is arranged below the second discharge port (18).

7. A sand screening device for construction engineering according to claim 1, characterized in that: A third discharge port (3) is fixedly connected to the left side of the box body (1), and an iron plate (2) is movably connected to the inner side of the third discharge port (3).

8. The sand screening device for construction engineering according to claim 1, characterized in that: The bottom of the box body (1) is fixedly connected to a support rod (23), and one end of the support rod (23) away from the box body (1) is movably connected to a wheel (24).

Images