Concrete mortar fine mixing and screening device
By designing a concrete mortar fine mixing screening device equipped with cleaning components, the problem of sand stuck inside the screen hole in the vibrating screen is solved, and the fine screening and efficient cleaning of sand is achieved.
Patent Information
- Application Number
- CN202420554206.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-21
AI Technical Summary
The existing vibrating screens are prone to sand stuck inside the screen hole during the concrete mortar screening process, which is difficult to clean, resulting in a reduced screening efficiency.
A concrete mortar fine mixing screening device is designed, equipped with special cleaning components, including bottom ring, stain cone, column, clamp plate, crossbar, floating column and regulator. Through the synergy of these components, the automatic cleaning of screen mesh holes is achieved.
It effectively solves the problem of sand stuck inside the screen hole, improves screening efficiency, and ensures refined screening and treatment of sand.
Smart Images

Figure CN222551379U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete screening, in particular to a concrete mortar fine mixing screening device. Background Art
[0002] Concrete mortar is a building material made of cement, sand, water and appropriate additives in a certain proportion. It is one of the components of concrete and is often used in masonry, plastering, filling and repairing in construction, repair and maintenance projects. The degree of refinement of concrete mortar varies depending on the use. Therefore, before mixing concrete mortar, it is often necessary to screen the raw materials to meet the needs of mixing. The particle size of sand directly affects the quality of the finished concrete mortar, so it is necessary to screen the sand in the raw materials of concrete mortar.
[0003] However, the existing method for screening sand in concrete mortar raw materials has the following problems: the sand is mainly screened according to the particle size through a special vibrating screen, but in actual use, the sand is stuck inside the screen holes, and it is difficult to clean even with vibration. When the screen holes are blocked too much, the screening efficiency will be affected. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. Utility Model Content
[0004] The utility model aims to provide a concrete mortar fine mixing screening device, which solves the problem that sand is screened according to particle size mainly through a special vibrating screen. However, in actual use, sand is stuck in the screen holes, and it is difficult to clean it even by vibration. When the screen holes are blocked too much, the screening efficiency will be affected, which is a technical problem.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete mortar fine mixing screening device, comprising a screening body and a feeding funnel installed on the top of the screening body, a discharge port is fixed at the lower end of the screening body, two groups of brackets are symmetrically arranged on the outer side of the discharge port, the upper end of the bracket is connected to the screening body, a mounting ring is provided in the middle of the screening body, a screen is provided on the mounting ring, blades are symmetrically installed on both sides of the screen, a vibration motor is provided below the blade, and the vibration end of the vibration motor is connected to the blade, A cleaning assembly is provided below the screen, and the cleaning assembly includes a bottom ring, a dirt guide cone, a column, a card plate, a cross bar, a floating column and an adjuster. The bottom ring is located directly below the screen, and the dirt guide cones are divided into several groups and are evenly installed on the bottom ring. The column is fixed to the bottom of the bottom ring and the lower end is connected to the card plate. The lower end of the card plate is located on the cross bar, and the outer end of the cross bar is connected to a vertically arranged floating column. The lower end of the floating column is used in conjunction with the adjuster. A separation tube is provided at the upper left corner of the mounting ring, and the inner end of the separation tube is connected to the screening body.
[0006] As a preferred embodiment of the present invention, the bottom ring is composed of a plurality of groups of ring bodies, and the plurality of groups of ring bodies are concentrically distributed and connected by metal rods.
[0007] As a preferred embodiment of the utility model, the pollution guide cone includes a cone, an elastic pad, a pressure-bearing ball and a cleaning needle. The lower end of the cone is fixed on the ring body, the elastic pad is divided into two groups, the upper end of the elastic pad is connected to the pressure-bearing ball and the lower end is connected to the upper end of the cone, the cleaning needles are divided into several groups and are evenly installed on the upper end of the cone, and the upper ends of the cleaning needles in several groups are located on the outside of the pressure-bearing ball.
[0008] As a preferred embodiment of the utility model, the elastic pad is made of elastic metal material and its surface adopts a laminated structure, and the cleaning needle is also made of elastic metal material and has a needle-like structure.
[0009] As a preferred embodiment of the present invention, a plurality of groups of support blocks are installed on the inner ring of the mounting ring, and the bottom ring is located above the plurality of groups of support blocks.
[0010] As a preferred embodiment of the utility model, the regulator includes a motor and a rotating wheel installed at the power output end of the motor, a fan-shaped block is fixed to the edge of the rotating wheel, one end of the fan-shaped block is wider than the other end, and the fan-shaped block is in contact with the bottom of the floating column.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. This scheme designs a screening device for sand used in concrete mortar, which can perform fine screening on the sand used in concrete mortar, and is equipped with a special cleaning component at the bottom of the screen, through which the mesh of the screen can be automatically cleaned to ensure the screening effect of the sand.
[0013] 2. The cleaning component designed in this solution adopts a floating design method to efficiently clean the sand stuck in the mesh. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the overall structure diagram of the utility model;
[0015] Figure 2 This is a distribution structure diagram of the screen and cleaning components described in the utility model;
[0016] Figure 3 This is the bottom ring position structure diagram of the utility model;
[0017] Figure 4 This is a distribution structure diagram of the bottom ring and the pollution guide cone of the utility model;
[0018] Figure 5 This is a structural diagram of the pollution guide cone described in the utility model.
[0019] In the figure: 1. screening body; 2. feeding funnel; 3. discharge port; 4. bracket; 5. mounting ring; 6. screen; 7. blades; 8. vibration motor; 9. bottom ring; 10. dirt guide cone; 11. column; 12. clamping plate; 13. cross bar; 14. floating column; 15. regulator; 16. separation tube; 17. ring body; 18. cone; 19. elastic pad; 20. pressure ball; 21. cleaning needle; 22. bracket block; 23. motor; 24. rotating wheel; 25. fan-shaped block. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-5The utility model provides a technical solution: a concrete mortar fine mixing screening device, comprising a screening body 1 and a feeding funnel 2 installed on the top of the screening body 1, a discharge port 3 is fixed at the lower end of the screening body 1, two groups of brackets 4 are symmetrically arranged on the outer side of the discharge port 3, the upper end of the bracket 4 is connected to the screening body 1, a mounting ring 5 is provided in the middle of the screening body 1, a screen 6 is provided on the mounting ring 5, blades 7 are symmetrically installed on both sides of the screen 6, a vibration motor 8 is provided below the blade 7, the vibration end of the vibration motor 8 is connected to the blade 7, a cleaning component is provided below the screen 6, and the cleaning component includes a bottom ring 9, The sewage guide cone 10, the column 11, the card plate 12, the cross bar 13, the floating column 14 and the regulator 15, the bottom ring 9 is located directly below the screen 6, the sewage guide cone 10 is divided into several groups and is evenly installed on the bottom ring 9, the column 11 is fixed to the bottom of the bottom ring 9 and the lower end is connected to the card plate 12, the lower end of the card plate 12 is located on the cross bar 13, the outer end of the cross bar 13 is connected to the vertically arranged floating column 14, the lower end of the floating column 14 is used in conjunction with the regulator 15, and the upper left corner of the mounting ring 5 is equipped with a separation tube 16, the inner end of the separation tube 16 is connected to the screening body 1 and the connection is located at the low position of the screen 6, which is convenient for discharging processing.
[0022] Further improvement, such as Figure 3 As shown, the bottom ring 9 is composed of a plurality of ring bodies 17, which are concentrically distributed and connected by metal rods. Such a design does not affect the normal falling of sand.
[0023] Further improvement, such as Figure 5 As shown: the pollution guide cone 10 includes a cone 18, an elastic pad 19, a pressure-bearing ball 20 and a cleaning needle 21. The lower end of the cone 18 is fixed on the ring body 17. The elastic pad 19 is divided into two groups. The upper end of the elastic pad 19 is connected to the pressure-bearing ball 20 and the lower end is connected to the upper end of the cone 18. The cleaning needles 21 are divided into several groups and are evenly installed on the upper end of the cone 18. The upper ends of the several groups of cleaning needles 21 are located on the outside of the pressure-bearing ball 20. The pollution guide cone 10 moves up and makes the pressure-bearing ball 20 conflict with the screen 6. The pressure-bearing ball 20 moves down and squeezes the elastic pad 19 to shrink. The pressure-bearing ball 20 moves down to conflict with the cleaning needle 21 to expand and insert the cleaning treatment on the screen hole.
[0024] Further improvement, such as Figure 5 As shown: the elastic pad 19 is made of elastic metal material and has a laminated structure on the surface, and the cleaning needle 21 is also made of elastic metal material and has a needle-like structure, which is convenient for deformation adjustment.
[0025] Further improvement, such as Figure 3 As shown, the inner ring of the mounting ring 5 is installed with a plurality of support blocks 22 , and the bottom ring 9 is located above the plurality of support blocks 22 , so as to achieve the purpose of shielding the bottom of the bottom ring 9 .
[0026] Specifically, the regulator 15 includes a motor 23 and a rotating wheel 24 installed at the power output end of the motor 23. A fan-shaped block 25 is fixed to the edge of the rotating wheel 24. The width of one end of the fan-shaped block 25 is greater than the width of the other end. The fan-shaped block 25 is in contact with the bottom of the floating column 14. The rotating wheel 24 is driven to rotate by the motor 23. During the rotation process, the rotating wheel 24 drives the fan-shaped block 25 to rotate synchronously. The fan-shaped block 25 drives the upper components to perform floating adjustment.
[0027] During use: When the utility model needs to screen the sand, the sand is introduced from the feeding funnel 2 to the screen 6, and the vibrating motor 8 drives the screen 6 to vibrate and screen the sand. The small particles of sand screened out are discharged through the discharge port 3, and the large particles of sand are discharged through the separation tube 16. When the mesh of the screen 6 is blocked, the motor 23 can be used to drive the rotating wheel 24 to rotate. The rotating wheel 24 drives the fan-shaped block 25 to rotate synchronously during the rotation process. The fan-shaped block 25 drives the upper floating column 14, the cross bar 13, the card plate 12, the column 11 and the bottom ring 9 to float up and down, the dirt guide cone 10 moves up and makes the pressure ball 20 conflict with the screen 6, the pressure ball 20 moves down and squeezes the elastic pad 19 to shrink, the pressure ball 20 moves down to conflict with the cleaning needle 21 to expand and insert the cleaning treatment on the screen hole to ensure the normal screening treatment of the screen 6.
[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0029] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.
[0030] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A concrete mortar fine mixing screening device, characterized in that: The invention comprises a screening body (1) and a feeding funnel (2) installed on the top of the screening body (1); a discharge port (3) is fixed at the lower end of the screening body (1); two groups of brackets (4) are symmetrically arranged on the outer side of the discharge port (3); the upper end of the brackets (4) is connected to the screening body (1); a mounting ring (5) is provided in the middle of the screening body (1); a screen (6) is provided on the mounting ring (5); blades (7) are symmetrically installed on both sides of the screen (6); a vibration motor (8) is provided below the blade (7); the vibration end of the vibration motor (8) is connected to the blade (7); a cleaning component is provided below the screen (6); the cleaning component comprises a bottom ring (9), a dirt guide cone (10); and a cleaning component (11). 10), a column (11), a card plate (12), a cross bar (13), a floating column (14) and a regulator (15), the bottom ring (9) is located directly below the screen (6), the dirt guide cones (10) are divided into a plurality of groups and are evenly installed on the bottom ring (9), the column (11) is fixed to the bottom of the bottom ring (9) and the lower end is connected to the card plate (12), the lower end of the card plate (12) is located on the cross bar (13), the outer end of the cross bar (13) is connected to a vertically arranged floating column (14), the lower end of the floating column (14) is used in conjunction with the regulator (15), the upper left corner of the mounting ring (5) is equipped with a separation tube (16), the inner end of the separation tube (16) is connected to the screening body (1).
2. A concrete mortar fine mixing and screening device according to claim 1, characterized in that: The bottom ring (9) is composed of a plurality of groups of ring bodies (17), and the plurality of groups of ring bodies (17) are distributed in a concentric shape and are connected by metal rods.
3. A concrete mortar fine mixing and screening device according to claim 1, characterized in that: The dirt guide cone (10) comprises a cone (18), an elastic pad (19), a pressure-bearing ball (20) and a cleaning needle (21); the lower end of the cone (18) is fixed on the ring body (17); the elastic pad (19) is divided into two groups; the upper end of the elastic pad (19) is connected to the pressure-bearing ball (20) and the lower end is connected to the upper end of the cone (18); the cleaning needle (21) is divided into several groups and is evenly installed on the upper end of the cone (18); the upper ends of the cleaning needles (21) of the several groups are located outside the pressure-bearing ball (20).
4. A concrete mortar fine mixing and screening device according to claim 3, characterized in that: The elastic pad (19) is made of elastic metal material and has a layered structure on its surface, and the cleaning needle (21) is also made of elastic metal material and has a needle-like structure.
5. A concrete mortar fine mixing screening device according to claim 2, characterized in that: The inner ring of the mounting ring (5) is mounted with a plurality of support blocks (22), and the bottom ring (9) is located above the plurality of support blocks (22).
6. A concrete mortar fine mixing screening device according to claim 1, characterized in that: The regulator (15) comprises a motor (23) and a rotating wheel (24) mounted on the power output end of the motor (23), a sector block (25) is fixed to the edge of the rotating wheel (24), one end of the sector block (25) has a width greater than the other end, and the sector block (25) is in contact with the bottom of the floating column (14).