Screening device for concrete production
By introducing an evacuation mechanism and observation window design into the screening device for concrete production, the problem of reduced screening efficiency caused by sand and gravel accumulation was solved, efficient screening and dust prevention effects were achieved, and production efficiency and the working environment of workers were improved.
Patent Information
- Application Number
- CN202422488823.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing screening devices for concrete production are prone to accumulation when a large amount of sand and gravel is added at one time, resulting in a decrease in screening efficiency and affecting production efficiency.
A screening device including an evacuation mechanism is designed. The accumulated sand and gravel are evacuated by a motor-driven evacuation plate. Combined with real-time monitoring through an observation window and dust-proof design of the feed pipe, the screening efficiency and work efficiency are improved.
It effectively prevents sand and gravel accumulation, improves screening efficiency and production efficiency, and reduces the impact of dust on workers' work.
Smart Images
Figure CN223312439U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete production, in particular to a screening device for concrete production. Background Art
[0002] Concrete is a common building material in our lives. In the process of producing concrete, there are also different requirements for the materials used in concrete. Sand and gravel of different particle sizes need to be selected according to different uses.
[0003] Existing screening devices for concrete production generally have the screening mesh set at an angle. When sand and gravel are vibrated and screened, they fall toward the lower opening of the screening device. However, since the vibration amplitude of the screening device has a certain limit, when a large amount of sand and gravel is added at one time, it may cause sand and gravel to accumulate. It takes a long time to wait for the accumulated sand and gravel to be screened, which affects the screening efficiency of the screening device. Utility Model Content
[0004] (1) Technical problems solved
[0005] In response to the shortcomings of the existing technology, the utility model provides a screening device for concrete production, which solves the problem that the vibration amplitude of the screening device has a certain limit. When a large amount of sand and gravel is added at one time, it may cause sand and gravel to accumulate, and it takes a long time to wait for the accumulated sand and gravel to be screened, which affects the screening efficiency of the screening device.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a screening device for concrete production, comprising a screening box body, a screening mesh fixedly mounted on the lower inner wall of the screening box body, an aggregate box fixedly mounted on the lower surface of the screening box body at a position corresponding to the screening mesh, an L-shaped mounting plate fixedly mounted on the left end of the upper surface of the screening box body, and a vertical plate of the L-shaped mounting plate located to the left of the screening box body;
[0008] The evacuation mechanism is arranged on the screening box body. The evacuation mechanism includes a mounting plate, a threaded rod and a sliding plate. The mounting plate is fixedly mounted on the upper inner wall of the screening box body. An L-shaped mounting groove is provided inside the L-shaped mounting plate. The threaded rod is rotatably mounted on the left surface of the mounting plate. The left end of the threaded rod extends to the inside of the L-shaped mounting groove. Two sliding rods are fixedly mounted on the left surface of the mounting plate. The sliding plate is slidably mounted on the outer surfaces of the two sliding rods. The sliding plate is threadedly connected to the outer surface of the threaded rod. A driven wheel is fixedly mounted on the left end of the threaded rod, and the driven wheel is located inside the L-shaped mounting groove.
[0009] Preferably, the evacuation mechanism further comprises a hydraulic telescopic rod and an evacuation plate, the hydraulic telescopic rod is fixedly mounted on the lower surface of the sliding plate, the evacuation plate is fixedly mounted on the telescopic end of the hydraulic telescopic rod, and the evacuation plate is slidably connected to the inner wall of the screening box body.
[0010] Preferably, a motor is fixedly installed inside the transverse groove of the L-shaped mounting groove, a driving wheel is fixedly installed on the output end of the motor, belts are sleeved on the outer surfaces of the driving wheel and the driven wheel, and the driving wheel and the driven wheel are connected through belt transmission.
[0011] Preferably, a feed pipe is fixedly installed on the right end of the upper surface of the screening box body, the lower surface and the upper end of the right surface of the feed pipe are both opened, the lower end of the feed pipe extends to the interior of the screening box body, the feed pipe is communicated with the interior of the screening box body, and the lower surface and the upper end of the right surface of the feed pipe are both opened.
[0012] Preferably, two vibration motors are fixedly mounted on the left surface of the aggregate box.
[0013] Preferably, an observation window for observing the screening sand and gravel inside the screening box body is provided on the right surface of the screening box body.
[0014] (3) Beneficial effects
[0015] Compared with the prior art, the present invention provides a screening device for concrete production, which has the following beneficial effects:
[0016] 1. The screening device for concrete production drives the evacuation plate to evacuate the concrete sand and gravel accumulated inside the screening box body by starting the motor, preventing the accumulation of concrete sand and gravel, which leads to a decrease in the screening speed of concrete sand and gravel, thereby improving the screening efficiency of the device for concrete sand and gravel, thereby improving the production efficiency of concrete.
[0017] 2. The screening device for concrete production can timely observe the accumulation of concrete sand and gravel inside the screening box body through the observation window, thereby improving the evacuation efficiency of the evacuation plate for concrete sand and gravel, and providing simple protection for the feed pipe against dust, preventing a large amount of dust from floating out and affecting the work efficiency of workers, thereby improving the work efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall top view of the screening device for concrete production of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal cross-section of the L-shaped installation groove of the present invention;
[0020] Figure 3This is a schematic diagram of the internal cross-section of the screening device for concrete production of the utility model;
[0021] Figure 4 This is a schematic diagram of the internal cross-sectional side view of the screening device for concrete production of the present invention.
[0022] In the figure: 1. Screening box body; 2. Screening mesh; 3. Collecting box; 4. L-shaped mounting plate; 5. Mounting plate; 6. Threaded rod; 7. Sliding plate; 8. L-shaped mounting groove; 9. Sliding rod; 10. Driven wheel; 11. Hydraulic telescopic rod; 12. Evacuation plate; 13. Motor; 14. Driving wheel; 15. Belt; 16. Feed pipe; 17. Vibration motor; 18. Observation window. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figure 1-4 The utility model provides a new technical solution: a screening device for concrete production, comprising a screening box body 1, a screening net 2 fixedly mounted on the lower inner wall of the screening box body 1, an aggregate box 3 fixedly mounted on the lower surface of the screening box body 1 corresponding to the position of the screening net 2, an L-shaped mounting plate 4 fixedly mounted on the left end of the upper surface of the screening box body 1, and a vertical plate of the L-shaped mounting plate 4 located on the left side of the screening box body 1;
[0025] The evacuation mechanism is arranged on the screening box body 1. The evacuation mechanism includes a mounting plate 5, a threaded rod 6 and a sliding plate 7. The mounting plate 5 is fixedly mounted on the upper inner wall of the screening box body 1. An L-shaped mounting groove 8 is provided inside the L-shaped mounting plate 4. The threaded rod 6 is rotatably mounted on the left surface of the mounting plate 5. The left end of the threaded rod 6 extends to the inside of the L-shaped mounting groove 8. Two sliding rods 9 are fixedly mounted on the left surface of the mounting plate 5. The sliding plate 7 is slidably mounted on the outer surfaces of the two sliding rods 9. The sliding plate 7 is threadedly connected to the outer surface of the threaded rod 6. The left end of the threaded rod 6 is fixedly mounted with a driven wheel 10, and the driven wheel 10 is located inside the L-shaped mounting groove 8.
[0026] Furthermore, the evacuation mechanism also includes a hydraulic telescopic rod 11 and an evacuation plate 12. The hydraulic telescopic rod 11 is fixedly mounted on the lower surface of the sliding plate 7, and the evacuation plate 12 is fixedly mounted on the telescopic end of the hydraulic telescopic rod 11. The evacuation plate 12 is slidably connected to the inner wall of the screening box body 1.
[0027] Furthermore, a motor 13 is fixedly installed inside the transverse groove of the L-shaped mounting groove 8, and a driving wheel 14 is fixedly installed at the output end of the motor 13. A belt 15 is provided on the outer surface of the driving wheel 14 and the driven wheel 10, and the driving wheel 14 and the driven wheel 10 are connected through the belt 15.
[0028] Furthermore, by starting the motor 13 to drive the evacuation plate 12 to evacuate the concrete sand and gravel accumulated inside the screening box body 1, the accumulation of concrete sand and gravel is prevented, which causes the screening speed of concrete sand and gravel to decrease, thereby improving the screening efficiency of the device for concrete sand and gravel, thereby improving the production efficiency of concrete.
[0029] Furthermore, a feed pipe 16 is fixedly installed on the right end of the upper surface of the screening box body 1, and the lower surface and the upper end of the right surface of the feed pipe 16 are both open. The lower end of the feed pipe 16 extends to the interior of the screening box body 1, and the feed pipe 16 is communicated with the interior of the screening box body 1, and the lower surface and the upper end of the right surface of the feed pipe 16 are both open.
[0030] Furthermore, two vibration motors 17 are fixedly mounted on the left surface of the aggregate box 3 .
[0031] Furthermore, an observation window 18 for observing the screening sand and gravel inside the screening box body 1 is provided on the right surface of the screening box body 1 .
[0032] Furthermore, the accumulation of concrete and gravel inside the screening box body 1 can be observed in time through the observation window 18, thereby improving the evacuation efficiency of the evacuation plate 12 on the concrete and gravel, and enabling the feed pipe 16 to provide simple protection against dust, thereby preventing a large amount of dust from floating out and affecting the work efficiency of the workers, thereby improving the work efficiency of the device.
[0033] Working principle: When using this screening device, the concrete sand and gravel that need to be screened are added to the interior of the screening box body 1 through the feed pipe 16, and then the two vibration motors 17 are started. The two vibration motors 17 drive the screening box body 1 to vibrate, so that the concrete sand and gravel added to the interior of the screening box body 1 starts to vibrate. During the vibration process, the concrete sand and gravel move to the left along the inclined surface of the screening box body 1. When it moves to the top of the screening mesh 2, the concrete sand and gravel smaller than the sieve holes on the screening mesh 2 pass through the screening mesh 2 and enter the interior of the aggregate box 3, while the concrete sand and gravel larger than the sieve holes of the screening mesh 2 continue to move to the left and go out through the left end opening of the screening box body 1. In the process of moving the concrete sand and gravel, when the concrete sand and gravel accumulates and the internal sand and gravel of the screening box body 1 does not move or the moving speed is reduced, the motor 13 can be started, and the output end of the motor 13 rotates to drive the driving wheel 14 fixedly connected to the output end of the motor 13 to rotate. When the hopper 14 is in the working state, the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state, and the hopper 14 is in the working state
[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A screening device for concrete production, comprising a screening box body (1), a screening net (2) fixedly mounted on the lower inner wall of the screening box body (1), and a collection box (3) fixedly mounted on the lower surface of the screening box body (1) at a position corresponding to the screening net (2), characterized in that: An L-shaped mounting plate (4) is fixedly mounted on the left end of the upper surface of the screening box body (1), and the vertical plate of the L-shaped mounting plate (4) is located on the left side of the screening box body (1); The evacuation mechanism is arranged on the screening box body (1). The evacuation mechanism comprises a mounting plate (5), a threaded rod (6) and a sliding plate (7). The mounting plate (5) is fixedly mounted on the upper inner wall of the screening box body (1). An L-shaped mounting groove (8) is provided inside the L-shaped mounting plate (4). The threaded rod (6) is rotatably mounted on the left surface of the mounting plate (5). The left end of the threaded rod (6) extends to the inside of the L-shaped mounting groove (8). Two sliding rods (9) are fixedly mounted on the left surface of the mounting plate (5). The sliding plate (7) is slidably mounted on the outer surfaces of the two sliding rods (9). The sliding plate (7) is threadedly connected to the outer surface of the threaded rod (6). A driven wheel (10) is fixedly mounted on the left end of the threaded rod (6). The driven wheel (10) is located inside the L-shaped mounting groove (8).
2. A screening device for concrete production according to claim 1, characterized in that: The evacuation mechanism further comprises a hydraulic telescopic rod (11) and an evacuation plate (12), wherein the hydraulic telescopic rod (11) is fixedly mounted on the lower surface of the sliding plate (7), and the evacuation plate (12) is fixedly mounted on the telescopic end of the hydraulic telescopic rod (11), and the evacuation plate (12) is slidably connected to the inner wall of the screening box body (1).
3. A screening device for concrete production according to claim 1, characterized in that: A motor (13) is fixedly installed inside the transverse groove of the L-shaped installation groove (8), a driving wheel (14) is fixedly installed at the output end of the motor (13), a belt (15) is sleeved on the outer surface of the driving wheel (14) and the driven wheel (10), and the driving wheel (14) and the driven wheel (10) are connected by transmission through the belt (15).
4. A screening device for concrete production according to claim 1, characterized in that: A feed pipe (16) is fixedly mounted on the right end of the upper surface of the screening box body (1), and the lower surface and the upper end of the right surface of the feed pipe (16) are both opened. The lower end of the feed pipe (16) extends to the interior of the screening box body (1), and the feed pipe (16) is communicated with the interior of the screening box body (1). The lower surface and the upper end of the right surface of the feed pipe (16) are both opened.
5. The screening device for concrete production according to claim 1, characterized in that: Two vibration motors (17) are fixedly mounted on the left surface of the material collecting box (3).
6. A screening device for concrete production according to claim 1, characterized in that: An observation window (18) for observing the screening of sand and gravel inside the screening box body (1) is provided on the right surface of the screening box body (1).