Sandstone efficient screening and automatic distribution system for concrete batching and sandstone stock bin of sandstone efficient screening and automatic distribution system

By introducing efficient screening and automatic distribution systems at the concrete production site, the rapid separation of sand and gravel and precise preparation of materials is achieved by using vibrating motors and weighing sensors, the problems of inefficiency and difficult to guarantee in the existing technology are solved, and the efficiency and accuracy of concrete production are improved.

CN222999167UActive Publication Date: 2025-06-20BEIJING YICHENG LAFARGE CONCRETE CO LTD
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Patent Information

Application Number
CN202421558994.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-06-20
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The existing concrete production sites mostly use manual or simple mechanical methods to screen and mix sand and gravel, which are inefficient and difficult to guarantee the accuracy of ingredients, which cannot meet the efficient and accurate needs of modern concrete production.

Method used

It provides an efficient screening and automatic distribution system for concrete ingredients, including a screening mechanism driven by a vibration motor and a batching mechanism controlled by weighing sensors. It can achieve rapid separation of sand and gravel and precise preparation through multiple screens and gates.

Benefits of technology

It improves the efficiency and accuracy of sand and gravel screening, ensures the accuracy of concrete batching ratio, reduces manual operation, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a gravel efficient screening and automatic distributing system for concrete batching and a gravel stock bin of the gravel efficient screening and automatic distributing system, and belongs to the technical field of concrete production. The gravel efficient screening and automatic distributing system comprises a support, a batching bin fixedly installed on the upper side of the support and a master controller fixedly installed on the outer wall of the batching bin; a screening mechanism is arranged below the sealing plate, and a batching mechanism is arranged on the lower side of the batching bin. The screening mechanism comprises a frame plate arranged on the lower side of the sealing plate, a plurality of screens fixedly installed on the inner side of the frame plate and a vibration motor fixedly installed at the bottom of the frame plate, and flashboards with the number equal to that of the screens are further arranged on the upper side of the frame plate. According to the efficient gravel screening and automatic distributing system for concrete batching and the gravel stock bin thereof, the screening efficiency is improved, accurate batching of gravel materials is achieved, the accuracy of the concrete batching proportion is ensured, manual operation is reduced, the production efficiency is improved, and practicability is high.
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Description

Technical Field

[0001] This application relates to the technical field of concrete production, in particular to an efficient screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel storage bins. Background Art

[0002] Concrete refers to the general term for engineering composite materials in which aggregate is cemented into a whole by cementitious materials. Usually, the term "concrete" refers to cement concrete, also known as ordinary concrete, which is made of cement as the cementitious material, sand and gravel as the aggregate, and water (which may contain additives and admixtures) in a certain proportion and is obtained by mixing. It is widely used in civil engineering.

[0003] In the process of concrete production, as important aggregates, the particle size and proportion of sand and gravel have an important impact on the performance of concrete. At present, manual or simple mechanical methods are mostly used for screening and batching of sand and gravel at the concrete production site, with low efficiency and difficult to guarantee the batching accuracy, which cannot meet the high-efficiency and precise requirements of modern concrete production. Therefore, an efficient screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel storage bins are proposed to solve the problems mentioned above. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, this application provides an efficient screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel storage bins, which has the advantages of efficient screening and batching, etc., and solves the problems in the prior art that manual or simple mechanical methods are mostly used for screening and batching of sand and gravel at the concrete production site, with low efficiency and difficult to guarantee the batching accuracy.

[0005] To sum up, this application provides the following technical solutions: An efficient screening and automatic distribution system for sand and gravel used in concrete batching, including a support, a batching bin fixedly installed on the upper side of the support, and a main controller fixedly installed on the outer wall of the batching bin. A sealing plate is fixedly installed inside the batching bin. A screening mechanism is arranged below the sealing plate, and a batching mechanism is arranged below the batching bin.

[0006] The screening mechanism includes a frame plate arranged below the sealing plate, a plurality of screen meshes fixedly installed inside the frame plate, and a vibration motor fixedly installed at the bottom of the frame plate. Gate plates equal in number to the screen meshes are also arranged on the upper side of the frame plate. A lifting mechanism is arranged between each gate plate and the sealing plate.

[0007] The batching mechanism includes a discharge pipe fixedly installed at the bottom of the batching bin, a discharge valve installed below the discharge pipe, a weighing sensor fixedly installed inside the support, and a batching box placed on the upper side of the weighing sensor.

[0008] By adopting the above technical solution, the present application drives the frame plate to vibrate through the drive of the vibration motor. Through the multiple sieve meshes provided, sand and gravel materials with different particle sizes can be quickly separated, improving the screening efficiency. The gate plate is used to control the screening time of the sand and gravel on the current sieve mesh, with good screening effect and high practicability. The weighing sensor is used to calculate the demand for sand and gravel in the batching box. After reaching the required weight ratio, the upper discharge valve is controlled to automatically close, realizing the precise batching of sand and gravel materials, ensuring the accuracy of the concrete batching ratio, reducing manual operation, improving production efficiency, and having high practicability.

[0009] Further, the sealing plate and the frame plate are parallel to each other and are both inclined. The frame plate is inclined from top to bottom, and the mesh numbers of the multiple sieve meshes gradually decrease.

[0010] The beneficial effect of adopting the above further solution is that it is convenient to separate sand and gravel materials with different particle sizes by setting sieve meshes with different mesh numbers.

[0011] Further, a feed hopper is fixedly installed on the upper side of the sealing plate, and the feed hopper corresponds to the sieve mesh with the largest mesh number.

[0012] The beneficial effect of adopting the above further solution is that the feed hopper provided facilitates the entry of sand and gravel materials into the batching bin, facilitating screening.

[0013] Further, the lifting mechanism includes a cylinder fixedly installed on the outer wall of the sealing plate, a connecting plate fixedly connected to the output shaft of the cylinder, and a connecting rod fixedly connected to the bottom of the connecting plate. The upper end of the gate plate penetrates through the sealing plate and is fixedly connected to the connecting rod.

[0014] The beneficial effect of adopting the above further solution is that the height of the gate plate can be adjusted through the drive of the cylinder, facilitating the adjustment of the opening and closing of the gate plate.

[0015] Further, a rubber strip is fixedly connected to the bottom of the gate plate.

[0016] The beneficial effect of adopting the above further solution is that the rubber strip provided can play a role in buffering and shock absorption, facilitating the reduction of the impact on the gate plate caused by the vibration of the frame plate, and improving the structural stability.

[0017] Further, a fixing plate parallel to the frame plate is fixedly connected to the inner wall of the batching bin. A composite spring is fixedly connected to the upper side of the fixing plate. An installation plate is fixedly connected to the side of the frame plate, and the bottom of the installation plate is fixedly connected to the composite spring.

[0018] The beneficial effect of adopting the above further solution is that the composite spring provided can play a buffering role, reducing the impact on the overall structure of the batching bin caused by the vibration of the frame plate.

[0019] Further, the number of the fixed plates and the mounting plates is two each, and they are respectively located on both sides of the frame plate.

[0020] The beneficial effect of adopting the above further scheme is that the stable installation of the frame plate is ensured by the fixed plates and the mounting plates arranged on both sides.

[0021] Further, the number of the discharge pipes, the weighing sensors and the batching boxes is equal to the number of the screen meshes, and each discharge pipe corresponds to one batching box respectively.

[0022] The beneficial effect of adopting the above further scheme is that it is convenient to distribute sand and gravel materials with different particle sizes by using multiple discharge pipes and batching boxes, which facilitates batching.

[0023] Further, the interior of the batching bin is provided with bins equal in number to the screen meshes. Partition plates are fixedly installed between every two adjacent bins. Each screen mesh is respectively located above one bin, and each bin corresponds to one discharge pipe respectively.

[0024] The beneficial effect of adopting the above further scheme is that it is convenient to store sand and gravel materials with different particle sizes by arranging multiple bins, and the partition plates can prevent the mixing of sand and gravel materials with different particle sizes.

[0025] The present application also provides a sand and gravel bin, which is applied to the high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching described in the above technical scheme. The sand and gravel bin is the batching bin in the above technical scheme. A discharge port is opened on the outer wall of the batching bin. The downwardly inclined side of the frame plate penetrates to the outside of the discharge port. A collection box corresponding to the frame plate is arranged obliquely below the discharge port. A placement rack for placing the collection box is fixedly connected to the outer wall of the batching bin.

[0026] By adopting the above technical scheme, the discharge port facilitates the discharge of large-particle sand and gravel that do not meet the requirements of concrete batching from the batching bin, and the collection box facilitates the collection of them, which is convenient for recycling and treatment.

[0027] Compared with the prior art, the present application provides a high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel bin, which has the following beneficial effects:

[0028] 1. For the high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel bin, the vibration of the frame plate is driven by a vibration motor. Different particle sizes of sand and gravel materials can be quickly separated by arranging multiple screen meshes. The weighing sensor is used to calculate the required amount of sand and gravel in the batching box. After reaching the required weight ratio, the upper feeding valve is controlled to automatically close, which improves the screening efficiency, realizes the precise batching of sand and gravel materials, ensures the accuracy of the concrete batching ratio, reduces manual operation, improves production efficiency, and has high practicability.

[0029] 2. The high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel bin can adjust the height of the gate plate through the drive of the air cylinder, which is convenient for adjusting the opening and closing of the gate plate. The gate plate is used to control the screening time of sand and gravel on the current screen mesh, with good screening effect and high practicability. The rubber strip provided can play a role in buffering and shock absorption, which is convenient for reducing the influence on the gate plate caused by the vibration of the frame plate and improving the stability of the structure.

[0030] 3. The high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel bin are provided with multiple chambers for storing sand and gravel of different particle sizes. The partition plate can prevent the mixing of sand and gravel of different particle sizes, and the multiple discharge pipes and batching boxes are convenient for distributing sand and gravel of different particle sizes, which facilitates batching.

[0031] 4. The high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching and its sand and gravel bin are provided with a discharge port for discharging large-particle sand and gravel that do not meet the requirements of concrete batching from the batching bin, and a collection box is provided for collecting it, which facilitates recycling and treatment. Description of the Drawings

[0032] Figure 1 is a sectional view of the structure of this application;

[0033] Figure 2 is a schematic structural diagram of the material blocking mechanism of this application;

[0034] Figure 3 is a schematic side view installation diagram of the frame plate and the batching bin of this application;

[0035] Figure 4 is a three-dimensional view of the structure of the frame plate of this application.

[0036] Description of the Reference Numerals:

[0037] 1. Support; 2. Batching bin; 3. Main controller; 4. Sealing plate; 5. Frame plate; 6. Screen mesh; 7. Vibration motor; 8. Chamber; 9. Partition plate; 10. Discharge pipe; 11. Discharge valve; 12. Weighing sensor; 13. Batching box; 14. Gate plate; 15. Air cylinder; 16. Connecting plate; 17. Connecting rod; 18. Rubber strip; 19. Fixed plate; 20. Composite spring; 21. Mounting plate; 22. Discharge port; 23. Placing rack; 24. Collection box; 25. Feed hopper. Detailed Embodiment

[0038] Please refer to Figure 1 , in the high-efficiency screening and automatic distribution system for sand and gravel used in concrete batching in this embodiment, it includes a support 1, a batching bin 2 fixedly installed on the upper side of the support 1, and a main controller 3 fixedly installed on the outer wall of the batching bin 2. A sealing plate 4 is fixedly installed inside the batching bin 2.

[0039] Please refer to Figures 1-4 In this embodiment, a screening mechanism is provided below the sealing plate 4. The screening mechanism includes a frame plate 5 disposed on the lower side of the sealing plate 4, a plurality of screening meshes 6 fixedly installed inside the frame plate 5, and a vibration motor 7 fixedly installed at the bottom of the frame plate 5. A shutter 14 equal in number to the screening meshes 6 is further provided on the upper side of the frame plate 5.

[0040] Among them, the sealing plate 4 and the frame plate 5 are parallel and both are inclined. The mesh numbers of the plurality of screening meshes 6 inclined from top to bottom of the frame plate 5 gradually decrease. By providing screening meshes 6 with different mesh numbers, it is convenient to separate sand and gravel materials with different particle sizes. At the same time, a feed hopper 25 is fixedly installed on the upper side of the sealing plate 4, and the feed hopper 25 corresponds to the screening mesh 6 with the largest mesh number. By providing the feed hopper 25, it is convenient for the sand and gravel materials to enter the batching bin 2, facilitating screening.

[0041] Please refer to Figure 3 As shown, a fixing plate 19 parallel to the frame plate 5 is fixedly connected to the inner wall of the batching bin 2. A composite spring 20 is fixedly connected to the upper side of the fixing plate 19. An installation plate 21 is fixedly connected to the side of the frame plate 5, and the bottom of the installation plate 21 is fixedly connected to the composite spring 20. By providing the composite spring 20, it can play a buffering role and reduce the impact on the overall structure of the batching bin 2 caused by the vibration of the frame plate 5.

[0042] Among them, the number of the fixing plates 19 and the installation plates 21 is two each, and they are respectively located on both sides of the frame plate 5. By providing the fixing plates 19 and the installation plates 21 on both sides, the stable installation of the frame plate 5 is ensured.

[0043] Please refer to Figure 1 In this embodiment, a batching mechanism is provided below the batching bin 2. The batching mechanism includes a discharge pipe 10 fixedly installed at the bottom of the batching bin 2, a discharge valve 11 installed below the discharge pipe 10, a weighing sensor 12 fixedly installed inside the support 1, and a batching box 13 placed on the upper side of the weighing sensor 12.

[0044] Among them, the number of the discharge pipes 10, the weighing sensors 12, and the batching boxes 13 is equal to the number of the screening meshes 6. Each discharge pipe 10 corresponds to a batching box 13 respectively. By using multiple discharge pipes 10 and batching boxes 13, it is convenient to distribute sand and gravel materials with different particle sizes, facilitating batching. At the same time, a plurality of chambers 8 equal in number to the screening meshes 6 are provided inside the batching bin 2. Partition plates 9 are fixedly installed between every two adjacent chambers 8. Each screening mesh 6 is respectively located above a chamber 8, and each chamber 8 corresponds to a discharge pipe 10 respectively. By providing the plurality of chambers 8, it is convenient to store sand and gravel materials with different particle sizes, and the partition plates 9 can prevent the mixing of sand and gravel materials with different particle sizes.

[0045] Please refer to Figures 1-2, in this embodiment, a lifting mechanism is provided between each shutter 14 and the sealing plate 4. The lifting mechanism includes a cylinder 15 fixedly installed on the outer wall of the sealing plate 4, a connecting plate 16 fixedly connected to the output shaft of the cylinder 15, and a connecting rod 17 fixedly connected to the bottom of the connecting plate 16. The upper end of the shutter 14 penetrates through the sealing plate 4 and is fixedly connected to the connecting rod 17. The height of the shutter 14 can be adjusted by driving the cylinder 15, which is convenient for adjusting the opening and closing of the shutter 14.

[0046] Wherein, a rubber strip 18 is fixedly connected to the bottom of the shutter 14. The rubber strip 18 provided can play a role in buffering and shock absorption, which is convenient for reducing the influence on the shutter 14 caused by the vibration of the frame plate 5 and improving the stability of the structure.

[0047] Please refer to Figure 1 , a kind of sand and gravel bin in this embodiment, the sand and gravel bin is the batching bin 2. Among them, a discharge port 22 is opened on the outer wall of the batching bin 2. The downward inclined side of the frame plate 5 penetrates to the outside of the discharge port 22. A collection box 24 corresponding to the frame plate 5 is arranged obliquely below the discharge port 22. A placement rack 23 for placing the collection box 24 is fixedly connected to the outer wall of the batching bin 2. The discharge port 22 facilitates the discharge of large-particle sand and gravel that do not meet the requirements of concrete batching from the batching bin 2, and the collection box 24 facilitates its collection, which is convenient for recycling and treatment.

[0048] The working principle of the above embodiment is as follows:

[0049] When this application is in use, the sand and gravel are conveyed to the feed hopper 25 by a hoist and then conveyed into the batching bin 2. The frame plate 5 is driven to vibrate by the vibration motor 7, and the screen 6 is also driven to vibrate. The shutter 14 blocks the upper space of the frame plate 5. After the sand and gravel are screened on the current screen 6, the cylinder 15 drives the subsequent shutter 14 to move upward, so that the sand and gravel slide down along the inclined surface of the frame plate 5 to other screens 6, so as to efficiently separate sand and gravel of different particle sizes. Multiple chambers 8 below the frame plate 5 store sand and gravel of different particle sizes respectively. The sand and gravel are distributed into the lower batching box 13 by opening the discharge valve 11. The weighing sensor 12 is used to calculate the required amount of sand and gravel in the batching box 13. After reaching the required weight ratio, the upper discharge valve 11 is controlled to automatically close, realizing the precise batching of sand and gravel.

[0050] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented. In addition, the electrical components mentioned in the text are all electrically connected to the main controller 3 and the power supply. The main controller 3 is a conventional known device, and the existing publicly disclosed electrical connection technology, so the specific structural composition and working principle are not described in detail herein.

Claims

1. A highly efficient screening and automatic distribution system for sand and gravel for concrete batching, comprising a support (1), a batching bin (2) fixedly mounted on the upper side of the support (1), and a main controller (3) fixedly mounted on the outer wall of the batching bin (2), characterized in that: A sealing plate (4) is fixedly installed inside the batching bin (2), a screening mechanism is arranged below the sealing plate (4), and a batching mechanism is arranged on the lower side of the batching bin (2); The screening mechanism comprises a frame plate (5) arranged at the lower side of the sealing plate (4), a plurality of screens (6) fixedly mounted on the inner side of the frame plate (5), and a vibration motor (7) fixedly mounted on the bottom of the frame plate (5); the upper side of the frame plate (5) is also provided with gate plates (14) equal in number to the screens (6); and a lifting mechanism is provided between each gate plate (14) and the sealing plate (4); The batching mechanism comprises a discharge pipe (10) fixedly mounted at the bottom of the batching bin (2), a discharge valve (11) mounted below the discharge pipe (10), a weighing sensor (12) fixedly mounted on the inner side of the bracket (1), and a batching box (13) placed on the upper side of the weighing sensor (12).

2. The high-efficiency screening and automatic distribution system for sand and gravel used as concrete ingredients according to claim 1 is characterized by: The sealing plate (4) and the frame plate (5) remain parallel and are both arranged at an inclination, and the mesh sizes of the plurality of screens (6) arranged at an inclination from top to bottom of the frame plate (5) gradually decrease.

3. The high-efficiency screening and automatic distribution system for sand and gravel used as concrete ingredients according to claim 2 is characterized by: A feed hopper (25) is fixedly mounted on the upper side of the sealing plate (4), and the feed hopper (25) corresponds to the sieve (6) with the largest mesh size.

4. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 1 is characterized by: The lifting mechanism comprises a cylinder (15) fixedly mounted on the outer wall of the sealing plate (4), a connecting plate (16) fixedly connected to the output shaft of the cylinder (15), and a connecting rod (17) fixedly connected to the bottom of the connecting plate (16); the upper end of the gate plate (14) passes through the sealing plate (4) and is fixedly connected to the connecting rod (17).

5. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 1 is characterized by: A rubber strip (18) is fixedly connected to the bottom of the gate plate (14).

6. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 1 is characterized by: A fixing plate (19) parallel to the frame plate (5) is fixedly connected to the inner wall of the batching bin (2), a composite spring (20) is fixedly connected to the upper side of the fixing plate (19), a mounting plate (21) is fixedly connected to the side of the frame plate (5), and the bottom of the mounting plate (21) is fixedly connected to the composite spring (20).

7. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 6 is characterized by: The number of the fixing plates (19) and the number of the mounting plates (21) are both two, and they are located on both sides of the frame plate (5) respectively.

8. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 1 is characterized by: The number of the discharge pipes (10), the weighing sensors (12) and the batching boxes (13) is equal to the number of the screens (6), and each of the discharge pipes (10) corresponds to one of the batching boxes (13).

9. The high-efficiency screening and automatic distribution system for sand and gravel for concrete batching according to claim 1 is characterized by: The interior of the batching bin (2) is provided with bins (8) equal in number to the screens (6), a partition (9) is fixedly installed between every two adjacent bins (8), each screen (6) is located on the upper side of a bin (8), and each bin (8) corresponds to a discharge pipe (10).

10. A gravel silo, applied to the efficient screening and automatic distribution system for concrete batching gravel according to any one of claims 1 to 9, characterized in that: The sand and gravel silo is the batching silo (2) according to any one of claims 1 to 8, a discharge port (22) is provided on the outer wall of the batching silo (2), the downwardly inclined side of the frame plate (5) penetrates to the outside of the discharge port (22), a collecting box (24) corresponding to the frame plate (5) is provided obliquely below the discharge port (22), and a placement rack (23) for placing the collecting box (24) is fixedly connected to the outer wall of the batching silo (2).