Sand material screening device for building engineering construction

Abstract

The utility model discloses a sand screening device for constructional engineering construction in the technical field of sand screening, which comprises a screening frame, a guide block for supporting is mounted on the inner side of the screening frame, two groups of supporting blocks are mounted at the top of the guide block, a movable frame for screening is mounted at the tops of the supporting blocks, and the movable frame is mounted on the inner side of the screening frame. A screening frame used for screening materials is installed on the inner side of the movable frame, sand materials are shaken in the screening frame to be screened, the sand materials flowing and falling from a material guiding block are screened again through a material screening plate, large-size particles or other impurities in the sand materials are left in the screening frame, and the problems that existing equipment is poor in shaking effect, sand material screening is insufficient easily, and the screening efficiency is high are solved. The problems that sand materials contain large-size particles or other impurities due to the fact that multiple times of screening are needed, and sand materials with different sizes cannot be screened out due to the fact that the size of particles screened by existing equipment is single, and the sand material screening efficiency and practicability of the equipment are affected are solved.

Description

Technical Field

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

[0002] Construction refers to production activities during the implementation phase of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. Construction is a production activity carried out by people using various building materials and mechanical equipment to build various construction products in a certain space and time according to a specific design blueprint. Sand, stone, cement and other materials are usually used in the construction process. Sand needs to be screened before use to avoid large particles or other impurities in the sand. Existing equipment does not screen sand thoroughly, and multiple screening is required, wasting manpower and material resources.

[0003] The existing equipment has a poor shaking effect when screening sand, which can easily lead to insufficient sand screening and require multiple screenings, resulting in large particles or other impurities in the sand. In addition, the volume of the screened particles of the existing equipment is relatively single, and it is impossible to screen out sand of different volumes, which affects the efficiency and practicality of the equipment in screening sand. Therefore, those skilled in the art provide a sand screening device for construction engineering to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a sand screening device for construction engineering to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand screening device for construction engineering, comprising a screening frame, a guide block for supporting is installed inside the screening frame, two groups of support blocks are installed on the top of the guide block, a movable frame for screening is installed on the top of the support block, and a screening frame for screening is installed inside the movable frame;

[0006] A screening plate is installed at the bottom of the screening frame, a discharge port for discharging materials is opened at the bottom of the screening frame, a discharge frame is installed at the bottom of the screening frame and at one end of the screening plate, shaking components for screening are respectively installed on both sides of the screening frame, a knocking component for knocking the screening plate is installed at the bottom of the movable frame, buffer parts for anti-collision protection are respectively installed at both ends of the screening frame, the guide block is slidably connected to the support block, the support block is fixedly connected to the movable frame, and the screening frame is movably connected to the movable frame.

[0007] Preferably: the shaking assembly includes movable through holes respectively opened on both sides of the screening frame, fixed frames are respectively installed on both sides of the movable frame, a rotating wheel is mounted on the outer side of the fixed frame, a mounting frame is installed on the other end of the fixed frame, a driving wheel is mounted on the outer side of the mounting frame for driving, the rotating wheel is rotatably connected to the fixed frame, the rotating wheel is rollingly connected to the movable through hole, and the driving wheel is rotatably connected to the mounting frame.

[0008] Preferably, the shaking assembly further comprises support frames respectively installed on both sides of the screening frame, a motor for providing power is installed on one side of the support frame, and a triangular cam for driving is installed on the outer side of the output end of one side of the motor.

[0009] Preferably: the knocking and vibration assembly includes a connecting frame installed at the bottom of the movable frame, a fixed tube is installed at the bottom of the connecting frame, a sliding rod is slidably connected to the inner side of the fixed tube, a knocking ball is installed at one end of the sliding rod, the knocking ball is hollow, the knocking ball is made of rubber, and the sliding rod is not detached from the fixed tube.

[0010] Preferably: the knocking assembly includes a first guide rod installed on the inner side of the fixed tube, a first spring for pushing is sleeved on the outer side of the first guide rod, two ends of the first spring are respectively fixedly connected to the fixed tube and the sliding rod, and the connecting frame is hinged to the fixed tube.

[0011] Preferably: a plurality of evenly arranged second guide rods are installed at the bottom inner side of the buffer, a second spring for extrusion is sleeved on the outer side of the second guide rod, a pad is installed on the other side of the buffer, and both ends of the second spring are fixedly connected to the buffer respectively.

[0012] Preferably, a plurality of evenly arranged limit blocks are respectively installed on the other two sides of the screening frame, a plurality of evenly arranged limit grooves are respectively opened on the two sides of the movable frame, and the limit blocks are movably connected to the limit grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a movable frame and a screening frame are provided, and the screening frame is placed in the movable frame, and then the shaking assembly drives the screening frame to shake through the movable frame, and the support block supports the movable frame. The material is shaken in the screening frame for screening, and the sand material falls on the guide block through the movable frame, and then the sand material flowing and falling from the guide block is screened again through the screening plate, and the screened material is screened and discharged through the discharge port and the discharge frame respectively, and large particles or other impurities in the sand material are left in the screening frame, and then the screening frame is separated from the movable frame to centrally process the large particles or impurities, thereby improving the efficiency and practicality of the equipment in screening materials.

[0015] 2. In the utility model, by arranging a rotating wheel, a driving wheel and a triangular cam, the motor pushes the driving wheel to rotate outside the mounting frame through the triangular cam, and the driving wheel drives the fixed frame to move in the movable through hole while rotating, and the fixed frame drives the rotating wheel to rotate in the movable through hole, and the two fixed frames drive the movable frame to slide on the top of the material guide block, and the movable frame drives the sand material in the screening frame to shake, thereby improving the effect and sufficiency of the equipment for screening the material and avoiding large particles or impurities in the material.

[0016] 3. In the utility model, by arranging a sliding rod, a knocking ball and a first spring, when the movable frame shakes, the fixed tube is driven to shake through the connecting frame, and then the first spring in the fixed tube can squeeze and push the sliding rod, so that the sliding rod drives the knocking ball to knock the sand material on the screen plate, thereby avoiding accumulation or retention of materials on the screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle;

[0022] Figure 6 The overall structure of the utility model Figure 3 Enlarged view of point C in the middle;

[0023] Figure 7 It is a structural schematic diagram of the movable frame and the screening frame in the overall structure of the utility model.

[0024] In the figure: 1. screening frame; 2. guide block; 3. support block; 4. movable frame; 5. screening frame; 6. screening plate; 7. discharge port; 8. discharge frame; 9. buffer; 10. movable through hole; 11. fixed frame; 12. rotating wheel; 13. mounting frame; 14. driving wheel; 15. support frame; 16. motor; 17. triangular cam; 18. connecting frame; 19. fixed pipe; 20. sliding rod; 21. knocking ball; 22. first guide rod; 23. first spring; 24. second guide rod; 25. second spring; 26. pad; 27. limit block; 28. limit groove. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1 to Figure 7 In the embodiment of the utility model, a sand screening device for construction engineering construction comprises a screening frame 1, a guide block 2 for supporting is installed inside the screening frame 1, two groups of support blocks 3 are installed on the top of the guide block 2, a movable frame 4 for screening is installed on the top of the support block 3, a screening frame 5 for screening is installed inside the movable frame 4, a screening plate 6 is installed at the bottom of the screening frame 1, a discharge port 7 for discharging is provided at the bottom of the screening frame 1, a discharge frame 8 is installed at the bottom of the screening frame 1 and at one end of the screening plate 6, shaking components for screening are respectively installed on both sides of the screening frame 5, a knocking and vibration component for knocking the screening plate 6 is installed at the bottom of the movable frame 4, and buffer members 9 for anti-collision protection are respectively installed at both ends of the screening frame 1, the guide block 2 is slidably connected to the support block 3, the support block 3 is fixedly connected to the movable frame 4, and the screening frame 5 is movably connected to the movable frame 4.

[0027] When in use, the screening frame 5 is placed in the movable frame 4, and then the shaking assembly drives the screening frame 5 to shake through the movable frame 4, the support block 3 supports the movable frame 4, and the material is shaken for screening in the screening frame 5, and the sand falls on the guide block 2 through the movable frame 4, and then the sand flowing and falling from the guide block 2 is screened again through the screening plate 6, and the screened materials are screened and discharged through the discharge port 7 and the discharge frame 8 respectively, and large particles or other impurities in the sand are left in the screening frame 5, and then the screening frame 5 is separated from the movable frame 4 to centrally process the large particles or impurities, thereby improving the efficiency and practicality of the equipment in screening materials.

[0028] In one embodiment, specifically, the shaking assembly includes movable through holes 10 respectively opened on both sides of the screening frame 1, fixed frames 11 are respectively installed on both sides of the movable frame 4, a rotating wheel 12 is mounted on the outer side of the fixed frame 11, a mounting frame 13 is installed on the other end of the fixed frame 11, and a driving wheel 14 is mounted on the outer side of the mounting frame 13 for driving, and the shaking assembly also includes support frames 15 respectively installed on both sides of the screening frame 5, a motor 16 for providing power is installed on one side of the support frame 15, and a triangular cam 17 for driving is installed on the outer side of the output end of one side of the motor 16, the rotating wheel 12 is rotatably connected to the fixed frame 11, the rotating wheel 12 is rollingly connected to the movable through hole 10, and the driving wheel 14 is rotatably connected to the mounting frame 13.

[0029] Among them, the motor 16 drives the driving wheel 14 to rotate outside the mounting frame 13 through the triangular cam 17. The driving wheel 14 drives the fixed frame 11 to move in the movable through hole 10 while rotating. The fixed frame 11 drives the rotating wheel 12 to rotate in the movable through hole 10. The two fixed frames 11 drive the movable frame 4 to slide on the top of the guide block 2. The movable frame 4 drives the sand in the screening frame 5 to shake, thereby improving the effect and sufficiency of the equipment in screening the materials and avoiding large particles or impurities in the materials.

[0030] Furthermore, the knocking and vibration assembly includes a connecting frame 18 installed at the bottom of the movable frame 4, a fixed tube 19 is installed at the bottom of the connecting frame 18, a sliding rod 20 is slidably connected to the inner side of the fixed tube 19, a knocking ball 21 is installed at one end of the sliding rod 20, and the knocking and vibration assembly includes a first guide rod 22 installed on the inner side of the fixed tube 19, a first spring 23 for pushing is mounted on the outer side of the first guide rod 22, and both ends of the first spring 23 are respectively fixedly connected to the fixed tube 19 and the sliding rod 20, the knocking ball 21 is hollow, the knocking ball 21 is made of rubber, the sliding rod 20 is not detached from the fixed tube 19, and the connecting frame 18 is hinged to the fixed tube 19.

[0031] In one embodiment, specifically, when the movable frame 4 shakes, the fixed tube 19 is driven to shake through the connecting frame 18, and then the first spring 23 in the fixed tube 19 can squeeze and push the sliding rod 20, so that the sliding rod 20 drives the knocking ball 21 to knock the sand on the screen plate 6, thereby preventing the material on the screen plate 6 from accumulating or staying.

[0032] Among them, a plurality of evenly arranged second guide rods 24 are installed at the bottom of the inner side of the buffer 9, and a second spring 25 for extrusion is installed on the outer side of the second guide rod 24. A pad 26 is installed on the other side of the buffer 9. Both ends of the second spring 25 are fixedly connected to the buffer 9 respectively. When the pad 26 at one end of the buffer 9 is hit by the movable frame 4, the buffer 9 is squeezed. The plurality of second springs 25 can support the buffer 9 to prevent the movable frame 4 from colliding with the screening frame 1 and causing damage, and can also increase the strength of the movable frame 4 from shaking.

[0033] Among them, multiple limit blocks 27 are evenly arranged on the other two sides of the screening rack 5, and multiple limit grooves 28 are evenly arranged on both sides of the movable rack 4. The limit blocks 27 are movably connected with the limit grooves 28. The multiple limit blocks 27 can guide and limit the screening rack 5, prevent the screening rack 5 from shifting or shaking in the movable rack 4, and improve the stability of the movable rack 4 driving the screening rack 5 to vibrate.

[0034] The working principle of this utility model:

[0035] First, place the screening rack 5 on the top of the movable rack 4, and the screening rack 5 drives multiple limit blocks 27 to be embedded in the limit grooves 28 for installation and fixation. Then pour the sand into the screening rack 5, and then start the motor 16 to drive the triangular cam 17 to rotate. At this time, the two triangular cams 17 push the driving wheel 14 to rotate outside the mounting rack 13. While the driving wheel 14 rotates, it drives the fixed rack 11 to move in the movable through hole 10. At this time, the fixed rack 11 drives the rotating wheel 12 to rotate in the movable through hole 10. At the same time, the two fixed racks 11 drive the movable rack 4 to slide on the top of the guide block 2. When the pad 26 at one end of the buffer 9 is hit by the movable rack 4, The buffer member 9 is squeezed, and at the same time, multiple second springs 25 support the buffer member 9, and at the same time, multiple support blocks 3 support the movable frame 4. At this time, the movable frame 4 drives the sand in the screening frame 5 to shake, and then the sand falls on the guide block 2 through the movable frame 4 after screening, and then the sand falls on the screening plate 6 for screening again. When the movable frame 4 shakes, the fixed pipe 19 is driven to shake through the connecting frame 18, and then the first spring 23 in the fixed pipe 19 squeezes and pushes the sliding rod 20, and then the sliding rod 20 drives the knocking ball 21 to knock the sand on the screening plate 6, and then the materials screened out of the sand are respectively discharged from the screening frame 1 through the discharge port 7 and the discharge frame 8.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sand screening device for construction engineering, comprising a screening frame (1), characterized in that: A material guide block (2) for supporting is installed inside the screening frame (1), two groups of support blocks (3) are installed on the top of the material guide block (2), a movable frame (4) for screening is installed on the top of the support block (3), and a screening frame (5) for screening is installed inside the movable frame (4); A screening plate (6) is installed at the bottom of the screening frame (1), a discharging port (7) for discharging materials is provided at the bottom of the screening frame (1), a discharging frame (8) is installed at the bottom of the screening frame (1) and at one end of the screening plate (6), shaking components for screening are installed on both sides of the screening frame (5), a knocking component for knocking the screening plate (6) is installed at the bottom of the movable frame (4), and buffer parts (9) for anti-collision protection are installed at both ends of the screening frame (1), the guide block (2) is slidably connected to the support block (3), the support block (3) is fixedly connected to the movable frame (4), and the screening frame (5) is movably connected to the movable frame (4).

2. A sand screening device for construction engineering according to claim 1, characterized in that: The shaking assembly comprises movable through holes (10) respectively opened on both sides of the screening frame (1); fixed frames (11) are respectively installed on both sides of the movable frame (4); a rotating wheel (12) is mounted on the outer side of the fixed frame (11); a mounting frame (13) is mounted on the other end of the fixed frame (11); a driving wheel (14) is mounted on the outer side of the mounting frame (13); the rotating wheel (12) is rotatably connected to the fixed frame (11); the rotating wheel (12) is rollingly connected to the movable through hole (10); and the driving wheel (14) is rotatably connected to the mounting frame (13).

3. A sand screening device for construction engineering according to claim 2, characterized in that: The shaking assembly also includes support frames (15) respectively installed on both sides of the screening frame (5), a motor (16) for providing power is installed on one side of the support frame (15), and a triangular cam (17) for driving is installed on the outer side of the output end of one side of the motor (16).

4. The sand screening device for construction engineering according to claim 1 is characterized in that: The knocking and vibration assembly comprises a connecting frame (18) installed at the bottom of the movable frame (4), a fixed tube (19) is installed at the bottom of the connecting frame (18), a sliding rod (20) is slidably connected to the inner side of the fixed tube (19), a knocking ball (21) is installed at one end of the sliding rod (20), the knocking ball (21) is hollow, and the knocking ball (21) is made of rubber. The sliding rod (20) and the fixed tube (19) are not separated, and the connecting frame (18) and the fixed tube (19) are hinged.

5. A sand screening device for construction engineering according to claim 4, characterized in that: The knocking assembly comprises a first guide rod (22) installed on the inner side of a fixed tube (19), a first spring (23) for pushing is sleeved on the outer side of the first guide rod (22), and two ends of the first spring (23) are respectively fixedly connected to the fixed tube (19) and the sliding rod (20).

6. The sand screening device for construction engineering according to claim 1, characterized in that: A plurality of evenly arranged second guide rods (24) are mounted on the bottom inner side of the buffer (9), a second spring (25) for squeezing is sleeved on the outer side of the second guide rod (24), a pad (26) is mounted on the other side of the buffer (9), and both ends of the second spring (25) are respectively fixedly connected to the buffer (9).

7. The sand screening device for construction engineering according to claim 1, characterized in that: The other two sides of the screening frame (5) are respectively provided with a plurality of evenly arranged limit blocks (27), and the two sides of the movable frame (4) are respectively provided with a plurality of evenly arranged limit grooves (28), and the limit blocks (27) are movably connected to the limit grooves (28).

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