Sand screening machine for concrete production
The sand screening machine, with its double-layer screening plate structure and vibration motor drive, achieves efficient sand screening, solving the problems of low efficiency and space occupation of traditional sand screening methods, improving production efficiency and reducing equipment costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional sand screening methods are cumbersome, inefficient, require multiple screenings, involve many steps, are time-consuming, and require a large installation space due to their multi-layered screen structure.
The system adopts a double-layer screening plate structure, using a vibrating motor to drive the first and second screening plates to vibrate, thereby achieving the first and second screening of sand. The vibration noise is reduced by a shock-absorbing structure, and the guide plate guides the sand.
It improves screening efficiency, reduces operation steps and time, lowers equipment costs and site requirements, and solves the problems of low efficiency and space occupation of traditional sand screening methods.
Smart Images
Figure CN224025628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete production technical field especially relates to a sand screening machine for concrete production. BACKGROUND
[0002] Concrete is a kind of composite material that is mixed by cement, aggregate, water and possible additive according to certain proportion, cement and water have hydration reaction to form cementitious material, which firmly bonds aggregate, and forms high-strength artificial stone after hardening, concrete has characteristics such as high compressive strength, good durability and strong plasticity, is widely used in engineering such as building, bridge and road, and according to use and performance requirement, working property, strength and durability can be optimized by adjusting proportioning or adding additive, the classification of concrete includes ordinary concrete, high-strength concrete, lightweight concrete etc., and is indispensable basic material in modern civil engineering.
[0003] But in prior art, traditional sand screening method usually adopts multiple layers of screen mesh to screen in sequence, for example, large-particle impurities are screened out by using coarse screen mesh first, and then medium screen mesh and fine screen mesh are used to screen out sand of different particle sizes respectively, which makes process cumbersome, low in efficiency, needs multiple screening, has many operation steps, consumes long time, and is low in production efficiency, and meanwhile, multiple layers of screen mesh structure needs large installation space, which increases equipment cost and site limitation. UTILITARIAN CONTENT
[0004] The utility model aims at solving the problems of traditional sand screening method in prior art, such as cumbersome process, low efficiency, multiple screening, many operation steps, long time consumption and low production efficiency, and multiple layers of screen mesh structure needing large installation space, and provides a sand screening machine for concrete production.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: including first screening plate, first screen mesh is arranged in the first screening plate, support frame is fixed around the first screening plate, support plate is fixed at the bottom of the support frame, vibration motor is fixed at the bottom of the support plate, four shock pads are fixed at the bottom of the support plate, shock structure is arranged below the shock pad, connecting block is fixed at one side of the bottom of the first screening plate, second screening plate is arranged on the connecting block, second screen mesh is arranged in the second screening plate, one end of the second screening plate is rotatably connected with the connecting block, two limit connecting rings are fixed and arranged on both sides of the second screening plate, one end of the limit connecting ring is rotatably connected with the second screening plate, and the other end of the limit connecting ring is rotatably connected with the first screening plate.
[0006] Preferably, the shock structure includes support column, support columns are arranged between the shock pad and the support plate, another support column is fixed at the bottom of the shock pad, and a fixed base is fixed at the bottom of the other support column.
[0007] Preferably, the second screening plate is provided with a discharge plate below, and the discharge plate is provided with another connecting block on both sides of one end, and the other end of the other connecting block is rotatably connected with the discharge plate, and the other connecting block is fixedly connected with the side surface of the second screening plate.
[0008] Preferably, the two sides of the discharge plate close to the other connecting block are respectively provided with another limiting connecting ring, and the two ends of the other limiting connecting ring are rotatably connected with the discharge plate and the second screening plate, and the length and width of the first screening plate, the second screening plate and the discharge plate are the same.
[0009] Preferably, the first screening plate and the second screening plate are both provided with a guide plate at the bottom end, and one side of the two guide plates is rotatably connected with the first screening plate and the second screening plate, and the angles of the two guide plates are opposite.
[0010] Preferably, the second screening plate is fixedly provided with a fixed buckle at both ends, and the first screening plate is fixedly provided with another fixed buckle at one end, and the discharge plate is fixedly provided with a third fixed buckle at the end away from the other fixed buckle.
[0011] Compared with the prior art, the advantages and positive effects of the utility model lie in:
[0012] 1、in the utility model, the second screening plate is arranged below the first screening plate, and the first screening plate and the second screening plate are vibrated by the vibration motor, so that the sand on the first screening plate is screened by the first screen mesh and then is screened again by the second screen mesh, the screening efficiency is improved, the problems of the traditional sand screening method in the prior art, such as complicated process, low efficiency, needing multiple screening, many operation steps, long time consumption and low production efficiency, and large installation space of the multi-layer screen mesh structure are solved.
[0013] 2、in the utility model, the damping structure is arranged at the bottom end of the supporting plate, and the vibration generated when the vibration motor works is relieved through the supporting column, so that the vibration is avoided from being conducted to the ground through the damping pad, the problem of large noise in the working site when the vibration motor works is solved, and the problem of careless screening caused by the sand close to the discharge end of the second screening plate is avoided through the guide plate. ACCURACY OF DRAWINGS
[0014] Figure 1 a three-dimensional structure schematic diagram of the sand screening machine for concrete production is provided for the utility model;
[0015] Figure 2 a three-dimensional structure schematic diagram of the sand screening machine for concrete production is provided for the utility model;
[0016] Figure 3The utility model provides a sand screening machine for concrete production's open three -dimensional structure schematic diagram.
[0017] Figure 4 The utility model provides a sand screening machine for concrete production's cross section three -dimensional structure schematic diagram.
[0018] Legend: 1, first screening board;2, first screen;3, support frame;4, support plate;5, support column;6, shock pad;7, fixed base;8, vibration motor;9, connecting block;10, second screening board;11, second screen;12, limit connecting ring;13, guide plate;14, discharge plate;15, fixed buckle. Specific embodiments
[0019] In order to more clearly understand the above -mentioned purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined with each other without conflict.
[0020] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.
[0021] Example one
[0022] As Figures 1-4 The utility model provides a sand screening machine for concrete production, including first screening board 1, first screening board 1 inside is provided with first screen 2, and first screening board 1 periphery is fixed with support frame 3, and support frame 3 bottom end is fixed with support plate 4, and support plate 4 bottom end is fixed with vibration motor 8, and support plate 4 bottom end is fixed with four shock pads 6, and shock pad 6 below is equipped with damping structure, and first screening board 1 bottom end one side is fixed with connecting block 9, and connecting block 9 is provided with second screening board 10, and second screening board 10 is provided with second screen 11 inside, and second screening board 10 one end is rotatably connected with connecting block 9, and second screening board 10 both sides are fixed with two limit connecting rings 12, and limit connecting ring 12 one end is rotatably connected with second screening board 10, and limit connecting ring 12 other end is rotatably connected with first screening board 1, so that first screening board 1 and second screening board 10 carry out unified secondary screening to sand material.
[0023] The specific settings and effects of the present embodiment are as follows: the damping structure includes support columns 5, support columns 5 are arranged between the shock pads 6 and the support plates 4, another support column 5 is fixed to the bottom end of the shock pad 6, and the fixed base 7 is fixed to the bottom end of the another support column 5, thereby reducing the noise generated by the vibration motor 8 during operation.
[0024] Example two
[0025] As Figures 1-4 shown, the discharge plate 14 is close to the two sides of another connecting block 9 respectively provided with another limiting connecting ring 12, the two ends of the another limiting connecting ring 12 are rotatably connected with the discharge plate 14 and the second screening plate 10 respectively, the length and width of the first screening plate 1, the second screening plate 10 and the discharge plate 14 are the same, the two ends of the second screening plate 10 are fixedly provided with a fixed buckle 15, one end of the first screening plate 1 is fixedly provided with another fixed buckle 15, and the end of the discharge plate 14 away from the another fixed buckle 15 is fixedly provided with a third fixed buckle 15, so that the discharge plate 14 separates the sand material screened secondly from impurities.
[0026] The whole embodiment achieves the effect that the discharge plate 14 is arranged below the second screening plate 10, the two sides of one end of the discharge plate 14 are provided with another connecting block 9, one end of the another connecting block 9 is rotatably connected with the discharge plate 14, the another connecting block 9 is fixedly connected with the side surface of the second screening plate 10, the bottom ends of the first screening plate 1 and the second screening plate 10 are provided with the guide plates 13, one side of the two guide plates 13 is rotatably connected with the first screening plate 1 and the second screening plate 10, and the angles of the two guide plates 13 are opposite, so that the guide plates 13 guide the sand material.
[0027] The working principle and method of the device are as follows: the staff places the sand material on the first screen 2, starts the vibration motor 8, so that the vibration motor 8 drives the support plate 4 to vibrate, at the same time, the support plate 4 drives the first screening plate 1 to vibrate through the support frame 3, so that the first screening plate 1 drives the first screen 2 to vibrate, the sand material on the first screen 2 is screened first through the first screen 2, the screened sand material falls above the second screen 11, slides downward through the action of the vibration motor 8 and gravity, is screened secondly through the second screen 11, and is discharged through the discharge plate 14, while the large impurities screened out are guided to the other end of the screened sand material and the top surface of the first screen 2 through the second screening plate 10, when the staff does not need to perform the secondary screening, the fixed buckle 15 on the discharge plate 14 and the fixed buckle 15 on the second screening plate 10 are fixed through the rope, so that the fixed buckle 15 has the same inclination angle with the second screening plate 10, so that the sand material slides to the same end after falling on the second screening plate 10.
[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.
Claims
1. A sand screening machine for concrete production, comprising a first screening plate (1), characterized in that: The first screening plate (1) is provided with a first screen (2) inside. The first screening plate (1) is fixed with a support frame (3) around its perimeter. The support frame (3) is fixed with a support plate (4) at its bottom end. The support plate (4) is fixed with a vibration motor (8) at its bottom end. The support plate (4) is symmetrically fixed with four shock-absorbing pads (6) at its bottom end. The shock-absorbing pads (6) are provided with a shock-absorbing structure below them. The first screening plate (1) is fixed with a connecting block (9) on one side of its bottom end. The connecting block (9) is provided with a second screening plate (10). The second screening plate (10) is provided with a second screen (11) inside its interior. One end of the second screening plate (10) is rotatably connected to the connecting block (9). Two limiting connecting rings (12) are symmetrically fixed on both sides of the second screening plate (10). One end of the limiting connecting ring (12) is rotatably connected to the second screening plate (10), and the other end of the limiting connecting ring (12) is rotatably connected to the first screening plate (1).
2. The sand screening machine for concrete production according to claim 1, characterized in that: The shock absorption structure includes a support column (5), and a support column (5) is provided between the shock absorption pad (6) and the support plate (4). Another support column (5) is fixed to the bottom end of the shock absorption pad (6), and a fixed base (7) is fixed to the bottom end of the other support column (5).
3. A sand screening machine for concrete production according to claim 1, characterized in that: A discharge plate (14) is provided below the second screening plate (10). Another connecting block (9) is provided on both sides of one end of the discharge plate (14). One end of the other connecting block (9) is rotatably connected to the discharge plate (14), and the other connecting block (9) is fixedly connected to the side of the second screening plate (10).
4. A sand screening machine for concrete production according to claim 3, characterized in that: The discharge plate (14) is provided with another limiting connecting ring (12) on both sides near the other connecting block (9). The two ends of the other limiting connecting ring (12) are rotatably connected to the discharge plate (14) and the second screening plate (10) respectively. The first screening plate (1), the second screening plate (10) and the discharge plate (14) have the same length and width.
5. A sand screening machine for concrete production according to claim 1, characterized in that: The bottom ends of the first screening plate (1) and the second screening plate (10) are provided with guide plates (13). One side of each of the two guide plates (13) is rotatably connected to the first screening plate (1) and the second screening plate (10), and the two guide plates (13) are at opposite angles.
6. A sand screening machine for concrete production according to claim 4, characterized in that: The second screening plate (10) is fixed with a fixing buckle (15) at both ends, the first screening plate (1) is fixed with another fixing buckle (15) at one end, and the discharge plate (14) is fixed with a third fixing buckle (15) at the end away from the other fixing buckle (15).