A harmless device for solid waste in concrete production
By designing a harmless device including a conical feeding hopper and a screening frame, the problem that existing equipment cannot automatically adjust the screening roller spacing is solved, and effective crushing and screening of concrete solid waste is achieved, achieving the purpose of harmless treatment.
Patent Information
- Application Number
- CN202421310378.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing solid waste treatment equipment in concrete production cannot automatically adjust the screening roller spacing, resulting in the inability to effectively screen out aggregates of different particle sizes.
A harmless device including a conical throwing hopper and a screening frame is designed. A crushing mechanism is provided in the conical throwing hopper, and a screening mechanism is provided in the screening frame. The screening mechanism uses a servo cylinder and a diamond telescopic frame to adjust the spacing of the screening rollers.
The crushing and screening of concrete solid waste is realized, the screening roller spacing can be adjusted according to needs, and aggregates of different particle sizes can be screened out for subsequent recycling and use, realizing the harmless treatment of solid waste.
Smart Images

Figure CN222739615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete production, in particular to a device for harmless treatment of solid waste in concrete production. Background Art
[0002] Concrete refers to an artificial stone made by mixing cement as the main cementitious material with water, sand, gravel, and chemical admixtures and mineral admixtures when necessary, in appropriate proportions, and through uniform mixing, compacting, forming, curing and hardening. Concrete is mainly divided into two stages and states: the plastic state before coagulation and hardening, that is, fresh concrete or concrete mixture; the hard state after hardening, that is, hardened concrete or concrete.
[0003] A large amount of solid waste is generated during the concrete production process, including unhardened concrete and hardened concrete. After being harmlessly treated by crushing and screening, these solid wastes become recycled aggregates and powders, which can be used as small prefabricated components, decorative tiles for urban construction, floor tiles and other materials. At present, the roller screening equipment used for solid waste mostly has an unadjustable spacing between the rollers, and cannot automatically adjust the spacing between the rollers according to demand to screen out aggregates of different particle sizes.
[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content
[0005] In view of the above defects, the utility model provides a device for harmless treatment of solid waste in concrete production to solve the problem of crushing and screening of concrete solid waste.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A harmless solid waste treatment device in concrete production, comprising a screening frame and a conical feeding hopper installed on the left side of the upper end of the screening frame, wherein a screening mechanism is provided in the screening frame and a crushing mechanism is provided in the conical feeding hopper;
[0008] The screening mechanism includes a mounting plate, a drive motor, a drive shaft, several groups of screening rollers, a center roller, several staggered screening sheets, several groups of staggered face gears, a servo cylinder, a fixed slide rail, several groups of sliding blocks, a fixed block and a diamond telescopic frame. The mounting plate is mounted on the front end of the screening frame, the drive motor is horizontally mounted on the left side of the front end of the mounting plate, the drive shaft is mounted on the rotating end of the drive motor, several groups of screening rollers are movably inserted on both sides of the screening frame, the center roller is movably inserted at the center of the screening frame, several staggered screening sheets are evenly mounted on several groups of screening rollers and the center roller, several groups of staggered face gears are mounted on the front ends of several groups of screening rollers, the servo cylinder is horizontally mounted on the left side of the upper end of the mounting plate, the fixed slide rail is mounted on the mounting plate, several groups of sliding blocks are slidably mounted on both sides of the fixed slide rail, and the left sliding block is connected to the telescopic end of the servo cylinder, the fixed block is mounted at the center of the fixed slide rail, and the diamond telescopic frame is movably mounted on several groups of sliding blocks and the upper ends of the fixed blocks.
[0009] Furthermore, the crushing mechanism includes a rotating motor, a group of relative crushing rollers and a plurality of staggered crushing teeth. The rotating motor is installed on the left side of the front end of the conical feeding hopper, a group of relative crushing rollers are movably inserted on both sides of the conical feeding hopper, and the front end of the left crushing roller is connected to the rotating end of the rotating motor, and a plurality of staggered crushing teeth are evenly installed on the outer surface of a group of relative crushing rollers.
[0010] Furthermore, a group of rear ends of the relative crushing rollers are connected through a group of transmission gear sets.
[0011] Furthermore, a plurality of long gears are installed on the driving shaft, and a group of face gears are staggered and meshed with the corresponding long gears. An active bevel gear is installed at the center of the driving shaft, and a transmission bevel gear meshed with the active bevel gear is installed at the front end of the center roller.
[0012] Furthermore, a plurality of groups of slide grooves corresponding to the screening rollers are respectively opened on both sides of the front surface and the rear surface of the screening frame, and both ends of the plurality of groups of screening rollers are slidably installed in the corresponding slide grooves through sliders.
[0013] The utility model provides a harmless device for solid waste in concrete production, which has the following beneficial effects: a crushing mechanism located in a conical feeding hopper uses a group of relative crushing rollers to first crush the concrete solid waste, and a screening mechanism uses several groups of screening rollers and a central roller to screen the concrete solid waste, and the spacing between the screening rollers can be adjusted according to needs, so as to screen out aggregates of different particle sizes, which is convenient for subsequent recycling and use, and realizes the harmless treatment of concrete solid waste. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of a solid waste harmless treatment device in concrete production described in the utility model.
[0015] Figure 2 This is a top view of the mounting plate of the utility model.
[0016] Figure 3 It is a rear view of the screening frame described in the utility model.
[0017] Figure 4 It is a top view of the conical feeding hopper described in the utility model.
[0018] In the figure: 1. screening frame; 2. conical feeding hopper; 3. mounting plate; 4. driving motor; 5. driving shaft; 6. screening roller; 7. center roller; 8. screening plate; 9. face gear; 10. servo cylinder; 11. fixed slide rail; 12. sliding block; 13. fixed block; 14. diamond telescopic frame; 15. rotating motor; 16. crushing roller; 17. crushing teeth; 18. transmission gear set; 19. long gear; 20. active bevel gear; 21. transmission bevel gear; 22. slide chute; 23. slider. DETAILED DESCRIPTION
[0019] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-4As shown: a harmless device for solid waste in concrete production, comprising a screening frame 1 and a conical feeding hopper 2 installed on the left side of the upper end of the screening frame 1, wherein the screening frame 1 is provided with a screening mechanism, and the conical feeding hopper 2 is provided with a crushing mechanism; the screening mechanism comprises a mounting plate 3, a driving motor 4, a driving shaft 5, a plurality of groups of screening rollers 6, a center roller 7, a plurality of staggered screening sheets 8, a plurality of groups of staggered face gears 9, a servo cylinder 10, a fixed slide rail 11, a plurality of groups of sliding blocks 12, a fixed block 13 and a diamond telescopic frame 14, wherein the mounting plate 3 is installed at the front end of the screening frame 1, and the driving motor 4 is provided with a driving shaft 5, a plurality of groups of screening rollers 6, a center roller 7, a plurality of groups of staggered screening sheets 8, a plurality of groups of staggered face gears 9, a servo cylinder 10, a fixed slide rail 11, a plurality of groups of sliding blocks 12, a fixed block 13 and a diamond telescopic frame 14. The motor 4 is horizontally mounted on the left side of the front end of the mounting plate 3, the drive shaft 5 is mounted on the rotating end of the drive motor 4, several groups of screening rollers 6 are movably inserted on both sides of the screening frame 1, the center roller 7 is movably inserted at the center of the screening frame 1, several staggered screening sheets 8 are evenly mounted on several groups of screening rollers 6 and the center roller 7, several groups of staggered face gears 9 are mounted on the front ends of several groups of screening rollers 6, the servo cylinder 10 is horizontally mounted on the left side of the upper end of the mounting plate 3, the fixed slide rail 11 is mounted on the mounting plate 3, several groups of sliding blocks 12 are slidably mounted on both sides of the fixed slide rail 11, and the left The side sliding block 12 is connected to the telescopic end of the servo cylinder 10, the fixed block 13 is installed at the center of the fixed slide rail 11, and the diamond telescopic frame 14 is movably installed on the upper ends of several groups of sliding blocks 12 and fixed blocks 13; the crushing mechanism includes a rotating motor 15, a group of relative crushing rollers 16 and a plurality of staggered crushing teeth 17, the rotating motor 15 is installed on the left side of the front end of the conical feeding hopper 2, a group of relative crushing rollers 16 are movably inserted on both sides of the conical feeding hopper 2, and the front end of the left crushing roller 16 is connected to the rotating end of the rotating motor 15, and a plurality of staggered crushing teeth 17 are evenly installed on a group of relative crushing rollers 16. On the outer surface of the crushing roller 16; a group of rear ends of the relative crushing rollers 16 are connected by a group of transmission gear sets 18; a number of long gears 19 are installed on the driving shaft 5, and a group of face gears 9 are relatively staggered and meshed with the corresponding long gears 19, an active bevel gear 20 is installed at the center of the driving shaft 5, and a transmission bevel gear 21 meshing with the active bevel gear 20 is installed at the front end of the center roller 7; a number of groups of slide grooves 22 corresponding to the screening rollers 6 are respectively opened on both sides of the front and rear surfaces of the screening frame 1, and the two ends of the several groups of screening rollers 6 are slidably installed in the corresponding slide grooves 22 through sliders 23.
[0020] Working principle of this embodiment: The electrical equipment used in the device is controlled by an external controller. When in use, the user firstly evenly throws the concrete solid waste to be processed into the conical feeding hopper 2 through a forklift;
[0021] During crushing: a rotating motor 15 is installed on the left side of the front end of the conical feeding hopper 2, a set of relative crushing rollers 16 are movably inserted on both sides of the conical feeding hopper 2 through a fastening bearing, and the front end of the left crushing roller 16 is connected to the rotating end of the rotating motor 15, a plurality of staggered crushing teeth 17 are evenly installed on the outer surface of a set of relative crushing rollers 16, and the rear end of a set of relative crushing rollers 16 is connected through a set of transmission gear sets 18. Figure 4 As shown, the rotary motor 15 drives a set of relative crushing rollers 16 to rotate relative to each other, firstly crushing the concrete solid waste put into the conical feeding hopper 2;
[0022] During screening: the mounting plate 3 is mounted on the front end of the screening frame 1, the driving motor 4 is horizontally mounted on the left side of the front end of the mounting plate 3, the driving shaft 5 is mounted on the rotating end of the driving motor 4, several groups of screening rollers 6 are movably inserted on both sides of the screening frame 1 through fastening bearings, the center roller 7 is movably inserted at the center of the screening frame 1 through fastening bearings, several staggered screening sheets 8 are evenly mounted on several groups of screening rollers 6 and the center roller 7, several groups of staggered face gears 9 are mounted on the front ends of several groups of screening rollers 6, the servo cylinder 10 is horizontally mounted on the left side of the upper end of the mounting plate 3, the fixed slide rail 11 is mounted on the mounting plate 3, several groups of sliding blocks 12 are slidably mounted on both sides of the fixed slide rail 11, and the left sliding block 12 is connected to the telescopic end of the servo cylinder 10, The fixed block 13 is installed at the center of the fixed slide rail 11, and the front ends of several groups of screening rollers 6 and the center roller 7 are movably inserted in several groups of sliding blocks 12 and the fixed block 13 respectively. The diamond telescopic frame 14 is movably installed on the upper ends of several groups of sliding blocks 12 and the fixed block 13. Several long gears 19 are installed on the driving shaft 5, and a group of face gears 9 are relatively staggered and meshed with the corresponding long gears 19. An active bevel gear 20 is installed at the center of the driving shaft 5. A transmission bevel gear 21 meshing with the active bevel gear 20 is installed at the front end of the center roller 7. Several groups of slide grooves 22 corresponding to the screening rollers 6 are respectively opened on both sides of the front and rear surfaces of the screening frame 1, and the two ends of several groups of screening rollers 6 are slidably installed in the corresponding slide grooves 22 through sliders 23, such as Figure 1 and Figure 2 As shown, the driving motor 4 first drives several groups of screening rollers 6 to rotate in the same direction through several groups of staggered face gears 9 on the driving shaft 5, and at the same time, drives the center roller 7 to rotate synchronously. The rotation direction and rotation speed of the center roller 7 are the same as those of the several groups of screening rollers 6, which can be achieved through gear ratio. Several groups of screening rollers 6 and the center roller 7 can screen concrete solid waste, and the user can adjust the spacing between the screening rollers according to needs. The telescopic end of the servo cylinder 10 extends, driving the diamond telescopic frame 14 to contract, so that the several groups of screening rollers 6 are close to each other. Conversely, the telescopic end of the servo cylinder 10 contracts, driving the diamond telescopic frame 14 to lengthen, so that the several groups of screening rollers 6 are away from each other. The slider 23 can play a guiding role, so as to screen out aggregates of different particle sizes and realize the harmless treatment of concrete solid waste.
[0023] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.
Claims
1. A device for harmless treatment of solid waste in concrete production, comprising a screening frame (1) and a conical feeding hopper (2) installed on the left side of the upper end of the screening frame (1), characterized in that: The screening frame (1) is provided with a screening mechanism, and the conical feeding hopper (2) is provided with a crushing mechanism; The screening mechanism comprises a mounting plate (3), a drive motor (4), a drive shaft (5), a plurality of groups of screening rollers (6), a center roller (7), a plurality of staggered screening plates (8), a plurality of groups of staggered face gears (9), a servo cylinder (10), a fixed slide rail (11), a plurality of groups of sliding blocks (12), a fixed block (13) and a diamond-shaped telescopic frame (14), wherein the mounting plate (3) is mounted on the front end of a screening frame (1), the drive motor (4) is horizontally mounted on the left side of the front end of the mounting plate (3), the drive shaft (5) is mounted on the rotating end of the drive motor (4), a plurality of groups of screening rollers (6) are movably inserted on both sides of the screening frame (1), and the center roller (7) is movably inserted on the screening frame. (1) at the inner center, a plurality of staggered screening sheets (8) are evenly mounted on a plurality of groups of screening rollers (6) and a center roller (7), a plurality of groups of staggered face gears (9) are mounted at the front ends of the plurality of groups of screening rollers (6), the servo cylinder (10) is horizontally mounted on the left side of the upper end of the mounting plate (3), the fixed slide rail (11) is mounted on the mounting plate (3), a plurality of groups of sliding blocks (12) are slidably mounted on both sides of the fixed slide rail (11), and the left sliding block (12) is connected to the telescopic end of the servo cylinder (10), the fixed block (13) is mounted at the center of the fixed slide rail (11), and the diamond telescopic frame (14) is movably mounted on the upper ends of the plurality of groups of sliding blocks (12) and the fixed block (13).
2. The device for harmless treatment of solid waste in concrete production according to claim 1, characterized in that: The pulverizing mechanism comprises a rotating motor (15), a group of relative pulverizing rollers (16) and a plurality of staggered pulverizing teeth (17), wherein the rotating motor (15) is mounted on the left side of the front end of the conical feeding hopper (2), the group of relative pulverizing rollers (16) are movably inserted on both sides of the conical feeding hopper (2), and the front end of the left pulverizing roller (16) is connected to the rotating end of the rotating motor (15), and the plurality of staggered pulverizing teeth (17) are evenly mounted on the outer surface of the group of relative pulverizing rollers (16).
3. The device for harmless treatment of solid waste in concrete production according to claim 2, characterized in that: The rear ends of a group of relative crushing rollers (16) are connected in transmission via a group of transmission gear sets (18).
4. The device for harmless treatment of solid waste in concrete production according to claim 1, characterized in that: A plurality of long gears (19) are mounted on the drive shaft (5), and a group of face gears (9) are staggered relative to each other and mesh with the corresponding long gears (19). An active bevel gear (20) is mounted at the center of the drive shaft (5), and a transmission bevel gear (21) meshing with the active bevel gear (20) is mounted at the front end of the center roller (7).
5. The device for harmless treatment of solid waste in concrete production according to claim 1, characterized in that: A plurality of groups of slide grooves (22) corresponding to the screening rollers (6) are respectively provided on both sides of the front surface and the rear surface of the screening frame (1), and both ends of the plurality of groups of screening rollers (6) are slidably mounted in the corresponding slide grooves (22) via sliders (23).