Concrete screening device

Abstract

The utility model discloses a concrete screening device, belongs to the technical field of concrete processing, and aims to solve the problems that in the prior art, due to the fact that a screen is horizontally arranged, particles on the screen need to be cleaned after screening is carried out for a period of time, the cleaning process is troublesome, and time consumption is long. Comprising a screening table, a material barrel and a receiving assembly, a fixing column is fixedly installed on the upper surface of the screening table, the fixing column is vertically arranged, the end, away from the screening table, of the fixing column is fixedly connected with the material barrel, the material barrel is vertically arranged above the screening table, and the material barrel and the screening table are distributed in a spaced mode; the upper surface of the screening table is open, and a receiving frame is rotationally mounted at the opening and is of a hollow circular ring structure. According to the concrete screening device, when many raw materials are intercepted on the screen, feeding screening can be stopped, the receiving frame starts to rotate, waste collected on the upper surface is dumped, the cleaning efficiency of the intercepted waste is effectively improved, and after dumping is completed, the receiving frame can rapidly rotate back to conduct screening work.

Description

Technical Field

[0001] This utility model belongs to the field of concrete processing technology, and specifically relates to a concrete screening device. Background Technology

[0002] Durability, freeze-thaw resistance, and permeability are important performance indicators of concrete materials, especially in specific applications such as cold regions or pavements requiring rapid drainage. Freeze-thaw resistance refers to the ability of concrete to maintain its structural and performance stability under freeze-thaw cycles. Permeable concrete, due to its higher porosity, often exhibits better freeze-thaw resistance than ordinary concrete. This is because the pores can buffer the pressure from freeze-thaw cycles, reducing stress concentration and the formation of micro-cracks within the concrete. During concrete production, screening is necessary to remove particles that do not meet size requirements. Screens are typically used to intercept concrete particles. Since the screens are horizontally positioned, the particles need to be cleaned after a period of screening, a process that is cumbersome and time-consuming. Therefore, the inventor proposes a concrete screening device. Utility Model Content

[0003] (1) Technical problems to be solved

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a concrete screening device, which aims to solve the problem that in the existing technology, since the screen is set horizontally, the particles on the screen need to be cleaned after screening for a period of time, and the cleaning process is relatively troublesome and time-consuming.

[0005] (2) Technical solution

[0006] To solve the above-mentioned technical problems, this utility model provides a concrete screening device, including a screening platform, a material bucket, and a receiving component. A fixed column is fixedly installed on the upper surface of the screening platform. The fixed column is vertically arranged, and its end away from the screening platform is fixedly connected to the material bucket. The material bucket is vertically arranged above the screening platform, and the material bucket and the screening platform are spaced apart. The upper surface of the screening platform is open, and a receiving frame is rotatably installed at the open. The receiving frame has a hollow circular ring structure with a groove inside. A screen is fixedly installed at the bottom of the receiving frame, and the receiving frame is located below the material bucket. The receiving component includes a sliding plate, a collection frame, and a waste frame. A receiving groove for installing the receiving component is opened at the bottom of the screening platform. The sliding plate is horizontally arranged, and the collection frame and waste frame are detachably installed above the sliding plate. Thanks to the rotatable design of the receiving frame, when there is a large amount of material intercepted on the screen, the feeding and screening can be stopped, and the receiving frame will start to rotate to dump the waste collected on the upper surface, effectively improving the cleaning efficiency of the intercepted waste. After dumping, the receiving frame can quickly rotate back to continue screening.

[0007] Preferably, the upper surface of the slide plate is provided with a plurality of fixing blocks protruding from it, and the bottom of the material collection frame and the waste frame are provided with matching card holes corresponding to the fixing blocks.

[0008] Preferably, the sliding plate has connecting strips protruding from both sides, and a horizontal groove is formed on the inner wall of the receiving groove. A threaded rod is rotatably installed in the groove, and the connecting strip slides along the groove.

[0009] Preferably, the connecting bar has a threaded hole, the threaded rod is threaded to fit the threaded hole, and the screen table has a motor that connects to the threaded rod fixedly installed inside.

[0010] Preferably, a feed hopper is fixedly installed on the top of the material barrel, and the bottom of the material barrel is open.

[0011] Preferably, a downward-sloping guide plate is fixedly installed on the inner wall of the material barrel, and multiple sets of the guide plates are distributed at intervals.

[0012] Preferably, a drive motor is fixedly installed on the outer wall of the screening platform, and a rotating shaft is installed on the output shaft of the drive motor. The rotating shaft rotates through the screening platform and is fixedly connected to the outer wall of the receiving frame.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention benefits from the rotatable design of the receiving frame. When there is a large amount of material intercepted on the screen, the feeding and screening can be stopped, and the receiving frame starts to rotate, dumping the waste collected on the upper surface. This effectively improves the cleaning efficiency of intercepted waste. After dumping, the receiving frame can quickly rotate back to screen the material. Through the design of the receiving component, when waste cleaning is required, the sliding plate slides first to adjust the position of the waste frame and receive the waste. After the waste is dumped, the receiving component can slide to adjust its position, sliding the collection frame used to receive the required raw materials back to its original position for receiving. The principle is simple and easy to implement, and it can be widely promoted. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the screening platform structure;

[0019] Figure 3 This is a schematic diagram of the receiving component structure;

[0020] Figure 4 This is a schematic diagram of the internal structure of the material hopper.

[0021] The labels in the attached diagram are as follows: 1. Fixed column; 2. Screening platform; 3. Receiving assembly; 4. Material bucket; 5. Feed hopper; 6. Receiving trough; 7. Receiving frame; 8. Groove; 9. Screen; 10. Drive motor; 11. Fixed block; 12. Slide plate; 13. Threaded hole; 14. Connecting strip; 15. Collection frame; 16. Waste frame; 17. Guide plate; 18. Rotating shaft. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This specific embodiment is a concrete screening device, the structural diagram of which is shown below. Figure 1As shown, it includes a screening platform 2, a material bucket 4, and a receiving component 3. A fixing column 1 is fixedly installed on the upper surface of the screening platform 2. The fixing column 1 is vertically arranged, and the end away from the screening platform 2 is fixedly connected to the material bucket 4. The material bucket 4 is vertically arranged above the screening platform 2, and the material bucket 4 and the screening platform 2 are distributed at intervals. A feeding hopper 5 is fixedly installed on the top of the material bucket 4, and the bottom of the material bucket 4 is open.

[0024] Reference Figure 2 The upper surface of the screening platform 2 is open, and a receiving frame 7 is rotatably installed at the opening. The receiving frame 7 is a hollow circular ring structure with a groove 8 inside. A screen 9 is fixedly installed at the bottom of the receiving frame 7. The receiving frame 7 is located below the material bucket 4. A drive motor 10 is fixedly installed on the outer wall of the screening platform 2. A rotating shaft 18 is installed on the output shaft of the drive motor 10. The rotating shaft 18 rotates through the screening platform 2 and is fixedly connected to the outer wall of the receiving frame 7.

[0025] Reference Figure 3 The receiving component 3 includes a slide plate 12, a collection frame 15, and a waste frame 16. A receiving groove 6 for mounting the receiving component 3 is provided at the bottom of the screening platform 2. The slide plate 12 is horizontally positioned, and the collection frame 15 and waste frame 16 are detachably mounted on top of the slide plate 12. Connecting strips 14 protrude from both sides of the slide plate 12. A horizontal groove is provided on the inner wall of the receiving groove 6, and a threaded rod is rotatably mounted within the groove. The connecting strips 14 slide along the groove. Threaded holes 13 are provided on the connecting strips 14, and the threaded rod is threaded into the threaded holes 13. A motor connecting the threaded rod is fixedly installed inside the screening platform 2.

[0026] Reference Figure 4 The upper surface of the slide plate 12 is provided with multiple fixing blocks 11 protruding from it, and the bottom of the material collection frame 15 and the waste frame 16 are provided with matching locking holes corresponding to the fixing blocks 11. The inner wall of the material bucket 4 is fixedly installed with downward inclined guide plates 17, and multiple sets of guide plates 17 are distributed at intervals.

[0027] Working Principle: During operation, the concrete material to be screened is first poured into the feed hopper 5. After passing through the feed bin 4, the concrete material comes into contact with the guide plate 17 inside the feed bin 4. The guide plate 17 serves to guide the flow and also slow down the feed rate of the concrete material, ensuring more thorough screening and preventing concrete material from accumulating and clogging the upper surface of the screen 9. After passing through the screen 9, concrete material that meets the requirements continues to fall into the collection frame 15, while material that does not meet the requirements is intercepted by the screen 9. When there is a large amount of intercepted material on the screen 9, the feeding and screening can be stopped, and the screw rod driven by the motor (not shown in the figure) will rotate. The connecting bar 14, which is threaded to the threaded rod, slides along the groove on the inner wall of the screening platform 2, adjusting the displacement of the collection frame 15 to be misaligned with the screen 9, and adjusting the waste frame 16 to correspond to the screen 9. At this time, the drive motor 10 starts, driving the rotating shaft 18 to rotate, causing the receiving frame 7 to rotate under force, thus dumping out the intercepted waste. Then the rotating shaft 18 rotates in the opposite direction, the receiving frame 7 rotates back to its original position, and the slide plate 12 slides in the opposite direction, causing the waste frame 16 to be misaligned with the screen 9, and the collection frame 15 to correspond with the screen 9. Then the feeding and screening can continue. The collection frame 15, the waste frame 16 and the slide plate 12 are all detachable. When the collection is full, they can be removed from the slide plate 12 for dumping.

[0028] Finally, it should be noted that the above description 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 foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A concrete screening device comprising a screening table (2), a bucket (4) and a receiving assembly (3), characterized in that, The upper surface of the screening table (2) is fixedly installed with a fixed column (1), which is vertically arranged and fixedly connected with a barrel (4) at the end away from the screening table (2), the barrel (4) is vertically arranged above the screening table (2), and the barrel (4) is spaced apart from the screening table (2); The upper surface of the screening table (2) is provided with an open structure, and the receiving frame (7) is rotatably installed at the opening, the receiving frame (7) is a hollow circular ring structure, the receiving frame (7) has a groove (8) inside, the bottom of the receiving frame (7) is fixedly installed with a screen (9), and the receiving frame (7) is arranged below the barrel (4); The receiving assembly (3) comprises a sliding plate (12), a material collecting frame (15) and a waste frame (16), the bottom of the screening table (2) is provided with a receiving groove (6) for installing the receiving assembly (3), the sliding plate (12) is horizontally arranged, and the material collecting frame (15) and the waste frame (16) are detachably installed above the sliding plate (12).

2. A concrete screening device according to claim 1, wherein, The upper surface of the sliding plate (12) is provided with a plurality of fixed blocks (11), and the bottom of the material collecting frame (15) and the waste frame (16) is provided with a matching clamping hole corresponding to the fixed blocks (11).

3. A concrete screening device as claimed in claim 1, wherein, The two sides of the sliding plate (12) are provided with connecting strips (14), the inner wall of the receiving groove (6) is provided with a sliding groove horizontally, a threaded rod is rotatably installed in the sliding groove, and the connecting strips (14) slide along the sliding groove.

4. A concrete screening apparatus as claimed in claim 3, wherein, The connecting strips (14) are provided with threaded holes (13), and the threaded rod is screwedly installed in the threaded holes (13), and a motor for connecting the threaded rod is fixedly installed in the screening table (2).

5. A concrete screening device according to claim 1, wherein, The top of the barrel (4) is fixedly installed with a feeding hopper (5), and the bottom of the barrel (4) is provided with an opening.

6. A concrete screening device according to claim 5, wherein, The inner wall of the barrel (4) is fixedly installed with downward inclined guide plates (17), and the guide plates (17) are spaced apart and arranged in multiple groups.

7. A concrete screening device as claimed in claim 1, wherein, The outer wall of the screening table (2) is fixedly installed with a driving motor (10), the output shaft of the driving motor (10) is installed with a rotating shaft (18), and the rotating shaft (18) is rotatably arranged through the screening table (2) and fixedly connected with the outer wall of the receiving frame (7).

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