Constructional engineering sand screening device facilitating feeding

Abstract

The constructional engineering sand screening device comprises a rack, a reciprocating driving mechanism, a screen mesh and a conveying device, the reciprocating driving mechanism is arranged on the rack, the screen mesh is arranged on the reciprocating driving mechanism, the screen mesh is round and horizontally arranged, the top of the conveying device is located above the screen mesh and obliquely arranged on the rack, and the conveying device is arranged on the rack. And a baffle is arranged above the screen, connecting frames are symmetrically arranged on the outer side wall of the baffle, a connecting end plate is fixed to one end of each connecting frame, and the connecting end plates are arranged on the rack in a sliding mode. The utility model belongs to the technical field of constructional engineering, and particularly relates to a constructional engineering sand screening device facilitating feeding.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and particularly relates to a sand screening device for construction engineering that is convenient for feeding materials. Background Art

[0002] In the field of construction engineering, sand screening is an important process. In order to facilitate feeding, a conveying device is usually set up to convey sand materials onto the sieve. In addition, in the existing sand screening devices for construction engineering that are convenient for feeding, the sieve is usually inclined. Due to the inclination of the sieve, the residence time of the sand materials on the sieve is short, which makes the sand materials unable to be fully screened. Moreover, the sand materials often fall at the same position, with uneven distribution, and it takes a longer time to complete the sand screening work, seriously affecting the construction efficiency. Content of the Utility Model

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sand screening device for construction engineering that is convenient for feeding, effectively solving the problem of poor rainproof effect of the rain shield.

[0004] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: A sand screening device for construction engineering that is convenient for feeding, including a frame, a reciprocating driving mechanism, a sieve, and a conveying device. The reciprocating driving mechanism is arranged on the frame, the sieve is arranged on the reciprocating driving mechanism, the sieve is circular and horizontally arranged, the top of the conveying device is inclined and arranged on the frame above the sieve, a baffle is arranged above the sieve, connecting frames are symmetrically arranged on the outer side wall of the baffle, one end of the connecting frame is fixed with a connecting end plate, and the connecting end plate is slidably arranged on the frame;

[0005] A top frame is arranged on the top wall of the connecting end plate, a second driving motor is fixed on the top frame, a second connecting shaft is fixedly connected below the second driving motor, and a plurality of pushing plates are evenly arranged around the second connecting shaft and closely attached to the top wall of the sieve.

[0006] Preferably, the top surface of the pushing plate is inclined.

[0007] Preferably, a horizontal chute is arranged on the frame near the connecting end plate, a plurality of rollers are arranged on the connecting end plate, and the rollers are located in the chute and slide relative to each other.

[0008] Preferably, the reciprocating driving mechanism includes a first driving motor and a connecting rod. A connecting block is fixed on the outer side wall of the baffle, a support frame is arranged on the frame, the first driving motor is arranged on the top wall of the support frame, a first connecting shaft is fixedly connected below the first driving motor, a rotating plate is fixedly connected on the first connecting shaft, the rotating plate is circular, the first connecting shaft is located at the center of the rotating plate, one end of the connecting rod is hinged on the connecting block, and the other end of the connecting rod is hinged at an eccentric circular position of the rotating plate.

[0009] Preferably, a pushing cylinder is fixed under the bottom wall of the connecting block, an external connecting plate is fixed on the outer side wall of the sieve mesh, and the movable end of the pushing cylinder is fixed on the external connecting plate.

[0010] Preferably, the top frame is of an L-shaped structure, and the support frame is of a U-shaped structure.

[0011] The beneficial effects of the present utility model adopting the above structure are as follows: By driving the second driving motor to drive the second connecting shaft and the pushing plate to rotate, the sand material can be evenly distributed on the sieve mesh, which enables the sand material to fully contact the sieve mesh, improves the screening efficiency and quality, and greatly shortens the time required for sand screening. Secondly, the sieve mesh is set to be parallel circles and baffles are provided around it, which increases the residence time of the sand material on the sieve mesh, enables full screening, and also reduces material waste. Description of the Drawings

[0012] Figure 1 is the overall structural schematic diagram of the sand screening device for construction engineering that is convenient for feeding proposed by the present utility model Figure 1 ;

[0013] Figure 2 is Figure 1 the partial enlarged view at A in

[0014] Figure 3 is the overall structural schematic diagram of the sand screening device for construction engineering that is convenient for feeding proposed by the present utility model Figure 2 ;

[0015] Figure 4 is the top view of the sand screening device for construction engineering that is convenient for feeding proposed by the present utility model.

[0016] Among them, 1. Frame, 2. Reciprocating drive mechanism, 3. Sieve mesh, 4. Conveyor device, 5. Connecting frame, 6. Connecting end plate, 7. Chute, 8. Roller, 9. Second driving motor, 10. Second connecting shaft, 11. Pushing plate, 12. Top frame, 13. First driving motor, 14. Connecting rod, 15. Support frame, 16. First connecting shaft, 17. Rotating plate, 18. Connecting block, 19. External connecting plate, 20. Pushing cylinder, 21. Baffle. Detailed Embodiments

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is 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 orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. The following further describes the present utility model in detail with reference to the drawings.

[0019] As Figures 1-4 shown, the sand screening device for construction engineering that is convenient for feeding proposed by the present utility model includes a frame 1, a reciprocating driving mechanism 2, a screen 3 and a conveying device 4. The reciprocating driving mechanism 2 is arranged on the frame 1, the screen 3 is arranged on the reciprocating driving mechanism 2. The screen 3 is circular and horizontally arranged. The top of the conveying device 4 is inclined and arranged on the frame 1 above the screen 3, which is convenient for conveying materials onto the screen 3. A baffle 21 is arranged above the screen 3. Connecting frames 5 are symmetrically arranged on the outer side wall of the baffle 21. One end of the connecting frame 5 is fixed with a connecting end plate 6, and the connecting end plate 6 is slidably arranged on the frame 1. A top frame 12 is arranged on the top wall of the connecting end plate 6. The top frame 12 is of an L-shaped structure. A driving motor two 9 is fixed on the top frame 12. A connecting shaft two 10 is fixedly connected below the driving motor two 9. A plurality of pushing plates 11 are evenly arranged around the connecting shaft two 10 and closely attached to the top wall of the screen 3. The driving motor two 9 drives the connecting shaft two 10 and the pushing plates 11 to rotate. The pushing plates 11 push the sand on the screen 3 to be evenly distributed, so that the sand can fully contact the screen 3, improving the screening efficiency and quality. The top surface of the pushing plate 11 is inclined to prevent the sand from staying on the top wall of the pushing plate 11.

[0020] As Figure 2 、 3As shown in the figure, the reciprocating drive mechanism 2 includes a first drive motor 13 and a connecting rod 14. A connecting block 18 is fixed on the outer side wall of the baffle 21. A support frame 15 is provided on the frame 1. The support frame 15 is of a U-shaped structure. The first drive motor 13 is arranged on the top wall of the support frame 15. A first connecting shaft 16 is fixedly connected under the first drive motor 13. A rotating plate 17 is fixedly connected to the first connecting shaft 16. The rotating plate 17 is circular. The first connecting shaft 16 is located at the center of the rotating plate 17. One end of the connecting rod 14 is hinged to the connecting block 18, and the other end of the connecting rod 14 is hinged to the eccentric circular position of the rotating plate 17. The first drive motor 13 drives the first connecting shaft 16 and the rotating plate 17 to rotate. The rotating plate 17 drives the connecting rod 14 to rotate. The connecting rod 14 pulls the connecting block 18, the baffle 21 and the screen 3 to move left and right reciprocally to screen sand. A horizontal sliding groove 7 is provided on the frame 1 near the connecting end plate 6. A number of rollers 8 are provided on the connecting end plate 6. The rollers 8 are located in the sliding groove 7 and slide relatively to reduce friction and facilitate the reciprocating movement of the screen 3.

[0021] A pushing cylinder 20 is fixed under the bottom wall of the connecting block 18. An external connecting plate 19 is fixed on the outer side wall of the screen 3. The movable end of the pushing cylinder 20 is fixed on the external connecting plate 19. When the pushing cylinder 20 extends, it drives the screen 3 to move downward relative to the baffle 21, which is convenient for discharging the coarse sand screened out on the screen 3.

[0022] During specific use, the sand material is placed on the conveying device 4. The conveying device 4 conveys the sand material upward and drops it from the top onto the screen 3. Start the first drive motor 13 and the second drive motor 9. The first drive motor 13 drives the first connecting shaft 16 and the rotating plate 17 to rotate. The rotating plate 17 drives the connecting rod 14 to rotate. The connecting rod 14 pulls the connecting block 18, the baffle 21 and the screen 3 to move left and right reciprocally to screen sand. During the movement of the baffle 21, it drives the connecting end plate 6 and the rollers 8 to move. The rollers 8 move in the sliding groove 7 to ensure the stability of sand screening. At the same time, the second drive motor 9 drives the second connecting shaft 10 and the pushing plate 11 to rotate. The pushing plate 11 pushes the sand material on the screen 3 to be evenly distributed, so that the sand material can fully contact the screen 3, improving the screening efficiency and quality. The fine sand screened out falls through the screen 3, and the coarse sand is blocked on the screen 3. Start the pushing cylinder 20. When the pushing cylinder 20 extends, it drives the screen 3 to move downward relative to the baffle 21, which is convenient for discharging the coarse sand screened out on the screen 3.

[0023] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the creative concept of the present invention, design similar structural manners and embodiments to this technical solution without creative efforts, they should all fall within the protection scope of the present invention.

Claims

1. A construction engineering sand screening device that facilitates material loading, comprising a frame (1), a reciprocating drive mechanism (2), a screen (3) and a conveying device (4), wherein the reciprocating drive mechanism (2) is arranged on the frame (1), and the screen (3) is arranged on the reciprocating drive mechanism (2), and is characterized in that: The screen (3) is circular and horizontally arranged; the top of the conveying device (4) is located above the screen (3) and is obliquely arranged on the frame (1); a baffle (21) is arranged above the screen (3); a connecting frame (5) is symmetrically arranged on the outer side wall of the baffle (21); a connecting end plate (6) is fixed at one end of the connecting frame (5); and the connecting end plate (6) is slidably arranged on the frame (1); A top frame (12) is provided on the top wall of the connecting end plate (6), a second driving motor (9) is fixed on the top frame (12), a second connecting shaft (10) is fixedly connected below the second driving motor (9), and a plurality of push plates (11) are evenly arranged around the second connecting shaft (10) in close contact with the top wall of the screen (3).

2. The construction engineering sand screening device for easy loading according to claim 1 is characterized in that: The top surface of the push plate (11) is arranged inclined.

3. The construction engineering sand screening device for easy loading according to claim 2 is characterized in that: The frame (1) is provided with a transverse slide groove (7) near the connecting end plate (6), and a plurality of rollers (8) are provided on the connecting end plate (6). The rollers (8) are located in the slide groove (7) and slide relatively thereto.

4. The construction engineering sand screening device for easy loading according to claim 3 is characterized in that: The reciprocating drive mechanism (2) comprises a drive motor (13) and a connecting rod (14); a connecting block (18) is fixed on the outer wall of the baffle (21); a support frame (15) is provided on the frame (1); the drive motor (13) is arranged on the top wall of the support frame (15); a connecting shaft (16) is fixedly connected to the bottom of the drive motor (13); a rotating plate (17) is fixedly connected to the connecting shaft (16); the rotating plate (17) is circular; the connecting shaft (16) is located at the center of the rotating plate (17); one end of the connecting rod (14) is connected to the connecting block (18); and the other end of the connecting rod (14) is connected to the eccentric circle position of the rotating plate (17).

5. The construction engineering sand screening device for easy loading according to claim 4 is characterized in that: A pushing cylinder (20) is fixed under the bottom wall of the connecting block (18), an external connecting plate (19) is fixed on the outer side wall of the screen (3), and a movable end of the pushing cylinder (20) is fixed on the external connecting plate (19).

6. The construction engineering sand screening device for easy loading according to claim 5 is characterized in that: The top frame (12) is an L-shaped structure, and the support frame (15) is a U-shaped structure.

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