Sand screening machine for constructional engineering
By introducing cleaning rollers and brushes into the sand screening machine, combined with the motor-driven transmission mechanism and screw system, the problem of screen plate blockage is solved, and efficient screening and production continuity is achieved.
Patent Information
- Application Number
- CN202422223472.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-11
AI Technical Summary
During the screening process, existing sand screening machines are agglomerated due to moisture in the raw materials, resulting in clogging of the screening plate, affecting the screening effect and production progress.
A sand screening machine for construction projects is designed, and the screen plate is cleaned by a first motor driving the transmission shaft and the cleaning brush. The screen plate is driven by a transmission mechanism and a second motor driving screw to drive the moving block to realize linear movement and cleaning of the screen plate.
It effectively solves the problem of screen plate blockage, ensures screening effect and production progress, improves cleaning efficiency, and ensures normal use of the equipment.
Smart Images

Figure CN223128618U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sand screening machines, in particular to a sand screening machine for construction engineering. Background Technique
[0002] Sand is small-grained minerals or rock fragments formed by weathering, erosion or other natural processes. Sand is widely used in fields such as construction, manufacturing concrete, glass, and soil improvement. In production, a sand screening machine is needed to screen the raw materials. The sand screening machine is applicable to sand and stone separation equipment in river channels, reservoirs, and coal yards.
[0003] The existing sand screening machine uses two layers of sieve plates to screen out sand and rocks in the raw materials through vibration. During the screening process, due to a certain amount of moisture in the raw materials, caking will occur in the raw materials, which will cause the sieve plates to become blocked. Since the machine body is relatively large, it is more difficult to clean the sieve plates, which will affect the screening effect of the sand screening machine and the production progress of sand. Content of the Utility Model
[0004] The main purpose of the utility model is to provide a sand screening machine for construction engineering, which can effectively solve the technical problems in the background technique.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A sand screening machine for construction engineering, including a machine body and a screening box. The screening box is movably connected to the middle part inside the machine body. A first screening plate and a second screening plate are fixedly connected inside the screening box. The first screening plate and the second screening plate are symmetrically distributed. A sliding groove is opened on one side of the screening box. A sliding block is arranged in the sliding groove. A first motor is fixedly connected to the front of the sliding block. The output end of the first motor penetrates through the sliding block. A transmission shaft is fixedly connected to the output end of the first motor. A cleaning roller is sleeved on the transmission shaft. A plurality of cleaning brushes are fixedly connected to the surface of the cleaning roller. The plurality of cleaning brushes are arranged in an equidistant array; a transmission mechanism is arranged at the rear of the screening box. The transmission mechanism is used to connect the transmission shaft and drive the cleaning roller to move.
[0007] As a further solution of the utility model, a limiting groove is opened on the sliding groove, a limiting block is arranged in the limiting groove, and one end of the limiting block is fixedly connected to one side of the sliding block.
[0008] As a further solution of the utility model, a moving groove is opened on the side wall of the screening box, and a moving block is arranged in the moving groove.
[0009] As a further solution of the utility model, one end of the moving block is rotatably connected to one end of the transmission shaft, and a threaded groove is opened at the other end of the moving block.
[0010] As a further solution of the utility model, the transmission assembly includes a second motor and a fixing plate arranged at the rear side of the screening box. The output end of the second motor is fixedly connected with a screw rod, and one end of the screw rod penetrates through the threaded groove and is rotatably connected with one side of the fixing plate.
[0011] As a further solution of the utility model, a conveying assembly is arranged at the bottom of the machine body.
[0012] As a further solution of the utility model, a bracket is arranged outside the machine body, and a feeding assembly is fixedly connected to the bracket.
[0013] The beneficial effects of the utility model are as follows:
[0014] By setting the first motor, the first motor drives the transmission shaft to rotate. At the same time, the cleaning roller is cooperated to drive a plurality of cleaning brushes to rotate rapidly. The cleaning brushes are located between the first screening plate and the second screening plate. The cleaning brushes clean the first screening plate and the second screening plate, clean the materials blocked at the sieve holes of the sieve plate. At the same time, the transmission mechanism can drive the cleaning roller to move linearly, clean the sieve holes on the first screening plate and the second screening plate one by one, solve the problem of sieve plate blockage, so as to facilitate the cleaning of the sieve plate, ensure the screening effect of the sand screening machine, ensure that the production progress of the sand is not affected, and greatly improve the cleaning efficiency of the sand screening machine;
[0015] When the second motor drives the screw rod to rotate, the screw rod cooperates with the threaded groove to drive the moving block to move in the moving groove, thereby driving the transmission shaft to move linearly, so that the cleaning brush sweeps the sieve plate, thus facilitating the equipment to clean the sieve plate, avoiding blockage of the sieve plate, and ensuring the normal use of the equipment. Description of the drawings
[0016] Figure 1 is the overall structural schematic diagram of a sand screening machine for construction engineering of the utility model;
[0017] Figure 2 is a sand screening machine for construction engineering of the utility model Figure 1 of the sectional schematic diagram;
[0018] Figure 3 is the rear sectional schematic diagram of a sand screening machine for construction engineering of the utility model;
[0019] Figure 4 is a sand screening machine for construction engineering of the utility model Figure 2 of the enlarged structural schematic diagram at A in;
[0020] In the figure: 1. Machine body; 2. Conveying component; 3. Feeding component; 4. Screening box; 5. First screening plate; 6. Second screening plate; 7. Transmission shaft; 8. Cleaning roller; 9. Cleaning brush; 10. Sliding groove; 11. Sliding block; 12. First motor; 13. Second motor; 14. Screw; 15. Moving groove; 16. Moving block; 17. Fixed plate; 18. Limiting groove; 19. Limiting block. Detailed implementation mode
[0021] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation mode.
[0022] As Figures 1-4 shown, a sand screening machine for construction engineering includes a machine body 1 and a screening box 4. The screening box 4 is movably connected to the middle part inside the machine body 1. A first screening plate 5 and a second screening plate 6 are fixedly connected inside the screening box 4. The first screening plate 5 and the second screening plate 6 are symmetrically distributed. A sliding groove 10 is opened on one side of the screening box 4. A sliding block 11 is arranged in the sliding groove 10. The front surface of the sliding block 11 is fixedly connected with a first motor 12. The sliding groove 10 is used for the sliding of the sliding block 11. At the same time, the sliding block 11 is used to install the first motor 12 and play a supporting role for the first motor 12. The output end of the first motor 12 penetrates through the sliding block 11. The output end of the first motor 12 is fixedly connected with a transmission shaft 7. A cleaning roller 8 is sleeved on the transmission shaft 7. A plurality of cleaning brushes 9 are fixedly connected to the surface of the cleaning roller 8. The plurality of cleaning brushes 9 are evenly distributed in an array.
[0023] In this embodiment, a transmission mechanism is arranged at the rear side of the screening box 4. The transmission mechanism is used to connect the transmission shaft 7 and drive the cleaning roller 8 to move.
[0024] When the sieve plate is blocked, first shut down the sand screening machine, and then start the first motor 12. The first motor 12 will drive the transmission shaft 7 to rotate. At the same time, cooperate with the cleaning roller 8 to drive a plurality of cleaning brushes 9 to rotate rapidly. The cleaning brushes 9 are located between the first screening plate 5 and the second screening plate 6. The cleaning brushes 9 clean the first screening plate 5 and the second screening plate 6, and clean the materials blocked at the sieve holes of the sieve plate. At the same time, the transmission mechanism can drive the cleaning roller 8 to perform linear movement, and clean the sieve holes on the first screening plate 5 and the second screening plate 6 one by one, solve the situation of sieve plate blockage, so as to facilitate the cleaning of the sieve plate, ensure the screening effect of the sand screening machine, ensure that the production progress of the sand is not affected, and greatly improve the cleaning efficiency of the sand screening machine.
[0025] In this embodiment, a limiting groove 18 is opened on the sliding groove 10. A limiting block 19 is arranged in the limiting groove 18. One end of the limiting block 19 is fixedly connected with one side of the sliding block 11.
[0026] When the transmission mechanism drives the cleaning roller 8 to move, under the cooperation of the sliding block 11 and the sliding groove 10, it can move at both ends simultaneously. When the sliding block 11 moves, the limiting groove 18 cooperates with the limiting block 19 to prevent the sliding block 11 from shifting, thereby avoiding the deviation of the cleaning roller 8 and ensuring uniform cleaning of the sieve plate.
[0027] In this embodiment, a moving groove 15 is provided on the side wall of the screening box 4. A moving block 16 is arranged in the moving groove 15. One end of the moving block 16 is rotatably connected to one end of the transmission shaft 7. A threaded groove is provided at the other end of the moving block 16, and the threaded groove is adapted to the screw 14, enabling the screw 14 to drive the moving block 16 to move. The transmission assembly includes a second motor 13 and a fixing plate 17 arranged at the rear side of the screening box 4. The fixing plate 17 can support the screw 14. The output end of the second motor 13 is fixedly connected to the screw 14. One end of the screw 14 penetrates through the threaded groove and is rotatably connected to one side of the fixing plate 17.
[0028] When the second motor 13 drives the screw 14 to rotate, the screw 14 cooperates with the threaded groove to drive the moving block 16 to move in the moving groove 15, thereby driving the transmission shaft 7 to perform linear movement, enabling the cleaning brush 9 to clean the sieve plate, thus facilitating the cleaning of the sieve plate by the device, avoiding blockage of the sieve plate, and ensuring the normal use of the device.
[0029] In this embodiment, a conveying assembly 2 is provided at the bottom of the machine body 1, and a bracket is provided outside the machine body 1. A feeding assembly 3 is fixedly connected to the bracket.
[0030] The screened sand is conveyed through the conveying assembly 2 and transported to the production site. The feeding assembly 3 is fixedly connected to the machine body 1 through the bracket, facilitating the user to feed the raw materials into the screening box 4 for screening and separating the sand and rocks.
[0031] It should be noted that the present utility model is a sand screening machine for construction engineering. When the sieve plate is blocked, first shut down the sand screening machine, and then start the first motor 12. The first motor 12 will drive the transmission shaft 7 to rotate, and at the same time, cooperate with the cleaning roller 8 to drive a plurality of cleaning brushes 9 to rotate rapidly. The cleaning brushes 9 are located between the first screening plate 5 and the second screening plate 6. The cleaning brushes 9 clean the first screening plate 5 and the second screening plate 6, clean the materials blocked at the sieve holes of the sieve plate, and at the same time, the transmission mechanism can drive the cleaning roller 8 to perform linear movement to clean the sieve holes on the first screening plate 5 and the second screening plate 6 one by one, solve the problem of sieve plate blockage, and thus facilitate the cleaning of the sieve plate.
[0032] When the second motor 13 drives the screw 14 to rotate, the screw 14 cooperates with the thread groove to drive the moving block 16 to move in the moving groove 15, thereby driving the transmission shaft 7 to perform a linear movement, so that the cleaning brush 9 cleans the sieve plate, thus facilitating the equipment to clean the sieve plate, avoiding blockage of the sieve plate, and ensuring the normal use of the equipment.
[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. A sand screening machine for construction engineering, comprising a machine body (1) and a screening box (4), characterized in that: The screening box (4) is movably connected to the middle part inside the machine body (1). A first screening plate (5) and a second screening plate (6) are fixedly connected inside the screening box (4). The first screening plate (5) and the second screening plate (6) are symmetrically distributed. A sliding groove (10) is formed on one side of the screening box (4). A sliding block (11) is arranged in the sliding groove (10). A first motor (12) is fixedly connected to the front surface of the sliding block (11). The output end of the first motor (12) penetrates through the sliding block (11). A transmission shaft (7) is fixedly connected to the output end of the first motor (12). A cleaning roller (8) is sleeved on the transmission shaft (7). A plurality of cleaning brushes (9) are fixedly connected to the surface of the cleaning roller (8). The plurality of cleaning brushes (9) are arranged in an equidistant array; A transmission mechanism is arranged at the rear side of the screening box (4). The transmission mechanism is used for connecting the transmission shaft (7) and driving the cleaning roller (8) to move.
2. The sand screening machine for construction engineering according to claim 1, characterized in that: A limiting groove (18) is formed on the sliding groove (10). A limiting block (19) is arranged in the limiting groove (18). One end of the limiting block (19) is fixedly connected to one side of the sliding block (11).
3. A sand screening machine for construction engineering according to claim 1, characterized in that: A moving groove (15) is formed on the side wall of the screening box (4). A moving block (16) is arranged in the moving groove (15).
4. A sand screening machine for construction engineering according to claim 3, characterized in that: One end of the moving block (16) is rotatably connected to one end of the transmission shaft (7). A threaded groove is formed at the other end of the moving block (16).
5. A sand screening machine for construction engineering according to claim 1, wherein: The transmission mechanism includes a second motor (13) and a fixing plate (17) arranged at the rear side of the screening box (4). A screw rod (14) is fixedly connected to the output end of the second motor (13). One end of the screw rod (14) penetrates through the threaded groove and is rotatably connected to one side of the fixing plate (17).
6. A sand screening machine for construction engineering according to claim 1, characterized in that: A conveying component (2) is arranged at the bottom of the machine body (1).
7. A sand screening machine for construction engineering according to claim 1, wherein: A bracket is arranged outside the machine body (1). A feeding component (3) is fixedly connected to the bracket.