Production device of recycled concrete
By adopting a mixing drum design with filter plates of different pore sizes and mixing blades in the recycled concrete production unit, combined with scraper cleaning and motor-driven screen screening mechanism, the problem of crushing and screening aggregates of different specifications is solved, thereby improving production efficiency and concrete quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 福建诚铄建设工程有限公司
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-21
AI Technical Summary
Existing recycled concrete production facilities are unable to adequately crush aggregates of varying sizes, affecting their subsequent use.
The mixing tank is designed with filter plates and mixing blades with different pore sizes, combined with scraper cleaning and motor-driven screen screening mechanism to achieve mixing, crushing and screening of aggregates.
It improves the efficiency of aggregate mixing and crushing, ensures the quality of subsequent concrete and the continuity of the production process, and enables the grading and screening of aggregates.
Smart Images

Figure CN224145002U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of recycled concrete technology, and in particular to a production apparatus for recycled concrete. Background Technology
[0002] Concrete is an artificial stone material made by mixing cementitious materials, aggregates, water, and other admixtures in a certain proportion, followed by stirring, molding, and curing. Cement is often used as the main cementitious material. When mixed with water, it undergoes a hydration reaction, firmly binding the sand and stone aggregates together. Concrete has many advantages, including a wide range of raw material sources, relatively low cost, high compressive strength, and good durability. Its performance can be changed by adjusting the mix proportions according to different engineering needs. It is widely used in various civil engineering fields such as construction, roads, bridges, and water conservancy. It is an indispensable basic material in modern engineering construction, supporting the construction of many large-scale projects and shaping countless solid and durable building structures and infrastructure.
[0003] A search revealed Chinese Patent Publication No. CN113000179B, which discloses a production device for recycled concrete, comprising: a base, a first material cylinder, a second material cylinder, a third material cylinder, and a frame. The first, second, and third material cylinders and the frame are all fixedly installed on the upper surface of the base. A feeding channel is provided on the upper end of the frame. The feeding channel is straight and horizontally arranged. The third material cylinder is installed at the end of the feeding channel. A conveying mechanism is installed on the feeding channel for conveying concrete to the third material cylinder. A second crossbeam is provided above the middle of the feeding channel. The second crossbeam is fixedly installed on the upper surface of the base. The first and second material cylinders are both fixedly installed on the same side of the feeding channel, and the first material cylinder is fixed between the second and third material cylinders. However, this device cannot fully crush aggregates of different specifications, affecting subsequent use. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a production device for recycled concrete, which aims to improve the problem in the prior art that it is impossible to fully crush aggregates of different specifications, thus affecting subsequent use.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a production device for recycled concrete, comprising a mixing drum, a motor fixedly connected to the top of the mixing drum, a rotating shaft fixedly connected to the output end of the motor, fixed rods fixedly connected at equal intervals to the outer side of the rotating shaft, mixing blades fixedly connected to the outer side of the fixed rods, a filter plate rotatably connected to the top of the rotating shaft, a filter plate rotatably connected to the middle of the rotating shaft, and a filter plate rotatably connected to the bottom of the rotating shaft, with scrapers provided on the top of the filter plates 1, 2, and 3, and a screening mechanism installed on the right side of the mixing drum for screening materials.
[0006] The above technical solution involves starting motor one, whose output kinetic energy drives the rotating shaft to rotate, and the stirring blades on the fixed rod outside the rotating shaft rotate accordingly, stirring and crushing the aggregate in the mixing tank. The filter plates one, two, and three have different through-holes, so during the stirring process, the aggregate will accumulate on filter plates one, two, and three. The rotating shaft drives the scraper to rotate, and the scraper cleans the aggregate accumulated on the top of the three filter plates, ensuring the continuous operation of the stirring and crushing process.
[0007] As a further description of the above technical solution:
[0008] The screening mechanism includes a collection box, which is located on the right side of the mixing tank. A second motor is fixedly connected to the top front side of the collection box. A rotating rod is fixedly connected to the output end of the second motor. A connecting rope is provided on the outside of the rotating rod. A screen is fixedly connected to the other end of the connecting rope. Rotating rods are fixedly connected to the left and right sides of the outside of the screen. The outside of the rotating rods is rotatably connected to the inner wall of the collection box. An elastic rope is fixedly connected to the bottom rear side of the screen.
[0009] The above technical solution involves starting motor two, which drives the rotating rod to rotate. When the rotating rod rotates in the forward direction, the connecting rope winds around and pulls the screen to rotate upward around the rotating rod as the axis. The elastic rope is stretched. When the rotating rod rotates in the reverse direction, the connecting rope loosens, and the elastic rope contracts due to its elasticity, causing the screen to rotate downward and return to its original position. This process is repeated, and the screen continues to swing up and down to screen the processed concrete.
[0010] As a further description of the above technical solution:
[0011] A mounting block is fixedly connected to the upper right side of the outer wall of the mixing tank, and a handle is fixedly connected to the outer side of the mounting block.
[0012] The above technical solution involves installing a mounting block on the mixing tank and attaching a handle to the mounting block.
[0013] As a further description of the above technical solution:
[0014] A feed chute is provided on the top left side of the mixing tank, and a discharge chute is provided on the lower right side of the outer wall of the mixing tank.
[0015] The above technical solution involves installing a feed chute and a discharge chute on the mixing tank.
[0016] As a further description of the above technical solution:
[0017] The bottom of the mixing tank is fixedly connected with multiple support legs at equal intervals, and the bottom of each support leg is fixedly connected with a foot pad.
[0018] The above technical solution involves installing support legs at the bottom of the mixing tank, and placing foot pads on the support legs.
[0019] As a further description of the above technical solution:
[0020] A connecting plate is fixedly connected to the front side of the outer wall of the mixing tank, and a label is fixedly connected to the outer side of the connecting plate.
[0021] The above technical solution involves installing a connecting plate on the mixing tank and attaching a label to the connecting plate.
[0022] As a further description of the above technical solution:
[0023] A warning sign is provided on the left side of the outer wall of the mixing tank, and a screw is threaded onto the outer side of the warning sign.
[0024] The above technical solution involves installing a warning sign on the mixing tank and securing the warning sign with screws.
[0025] As a further description of the above technical solution:
[0026] A fixing block is fixedly connected to the rear side of the mixing tank, and a hook is fixedly connected to the outer side of the fixing block.
[0027] The above technical solution involves installing a fixing block on the mixing tank and a hook on the fixing block.
[0028] This utility model has the following beneficial effects:
[0029] 1. In this utility model, the starting motor 1, whose kinetic energy causes the rotating shaft to rotate, drives the stirring blades to crush the aggregate, and the filter plates 1, 2 and 3 with different pore sizes can perform grading treatment. The scraper on the rotating shaft cleans up the accumulated aggregate, thus realizing the ability to stir and crush the aggregate.
[0030] 2. In this utility model, starting motor two rotates the rotating rod, which drives the connecting rope to wind, thus driving the screen to rotate. An elastic rope is installed on the screen, which allows the screen to swing continuously, thus enabling the screening of concrete. Attached Figure Description
[0031] Figure 1 This is a perspective view of a recycled concrete production apparatus according to the present invention.
[0032] Figure 2 This is a side view of a recycled concrete production apparatus proposed in this utility model;
[0033] Figure 3 This is a rear view of a recycled concrete production apparatus according to the present invention.
[0034] Figure 4 This is a partial structural diagram of a recycled concrete production device proposed in this utility model;
[0035] Figure 5 This is a schematic diagram of the screening mechanism of a recycled concrete production device proposed in this utility model.
[0036] Legend:
[0037] 1. Mixing tank; 2. Screening mechanism; 201. Collection box; 202. Motor II; 203. Rotating rod; 204. Connecting rope; 205. Screen; 206. Rotating rod; 207. Elastic rope; 3. Motor I; 4. Rotating shaft; 5. Filter plate I; 6. Filter plate II; 7. Filter plate III; 8. Fixing rod; 9. Scraper; 10. Placement block; 11. Handle; 12. Feed chute; 13. Discharge chute; 14. Support leg; 15. Foot pad; 16. Connecting plate; 17. Label; 18. Warning sign; 19. Screw; 20. Fixing block; 21. Hook; 22. Mixing blade. Detailed Implementation
[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.
[0039] Reference Figure 1 , Figure 3 and Figure 4This utility model provides an embodiment of a recycled concrete production device, comprising a mixing tank 1, a motor 3 fixedly connected to the top of the mixing tank 1, a rotating shaft 4 fixedly connected to the output end of the motor 3, the rotating shaft 4 being rotated by the kinetic energy of the motor 3, fixed rods 8 fixedly connected at equal intervals to the outer side of the rotating shaft 4, mixing blades 22 fixedly connected to the outer side of the fixed rods 8, a filter plate 5 rotatably connected to the top of the rotating shaft 4, a filter plate 6 rotatably connected to the middle of the rotating shaft 4, and a filter plate 3 rotatably connected to the bottom of the rotating shaft 4. 7. Scrapers 9 are provided on the top of filter plates 5, 6 and 7. The scrapers 9 can clean the aggregates accumulated on the top of filter plates 5, 6 and 7. A screening mechanism 2 is installed on the right side of the mixing tank 1. The screening mechanism 2 is used to screen materials. A mounting block 10 is fixedly connected to the upper right side of the outer wall of the mixing tank 1. A handle 11 is fixedly connected to the outside of the mounting block 10 to facilitate operation. A feed chute 12 is provided on the top left side of the mixing tank 1. A discharge chute 13 is provided on the lower right side of the outer wall of the mixing tank 1.
[0040] Specifically, the motor 3 is started, and the kinetic energy generated is transmitted to the rotating shaft 4 through a transmission mechanism. A fixed rod 8 is installed on the outside of the rotating shaft 4, and a stirring blade 22 is mounted on it. As the rotating shaft 4 rotates, the stirring blade 22 also rotates, effectively stirring and crushing the aggregate in the mixing tank 1. At the bottom of the mixing tank 1, filter plates 5, 6, and 7 are arranged. These filter plates have different pore sizes. During the stirring process, the aggregate is stirred on the filter plates 5, 6, and 7 according to its size and shape. Different degrees of accumulation, and at the same time, the rotation of the rotating shaft 4 also drives the rotation of the scraper 9, which is located above them, to periodically remove the aggregate accumulated on the top of the filter plate. The scraper 9 ensures that the mixing and crushing process can be carried out continuously and efficiently, thereby improving the efficiency and quality of the entire mixing process. A mounting block 10 is provided on the upper right side of the outer wall of the mixing tank 1. A handle 11 is provided on the outer side of the mounting block 10 for easy operation. A feed chute 12 is provided on the top left side of the mixing tank 1, and a discharge chute 13 is provided on the lower right side of its outer wall.
[0041] Reference Figure 1 , Figure 2 and Figure 5The screening mechanism 2 includes a collection box 201, which is located on the right side of the mixing tank 1. A motor 202 is fixedly connected to the top front side of the collection box 201. A rotating rod 203 is fixedly connected to the output end of the motor 202. The rotating rod 203 is rotated by the kinetic energy of the motor 202. A connecting rope 204 is provided on the outside of the rotating rod 203, which can drive the connecting rope 204 to wind and unwind. A screen 205 is fixedly connected to the other end of the connecting rope 204. A rotating rod 206 is fixedly connected to the left and right sides of the screen 205. The outside of the rotating rod 206 is rotatably connected to the inner wall of the collection box 201. An elastic rope 207 is fixedly connected to the bottom rear side of the screen 205, which has a certain elasticity. Multiple support legs 14 are fixedly connected at equal intervals to the bottom of the mixing tank 1. Foot pads 15 are fixedly connected to the bottom of the support legs 14 to support the whole. A connecting plate 16 is fixedly connected to the front side of the outer wall of the mixing tank 1. A label 17 is fixedly connected to the outside of the connecting plate 16.
[0042] Specifically, motor 202 is started, driving the rotating rod 203 to rotate. During the forward rotation of the rotating rod 203, the connecting rope 204 winds around it, pulling the screen 205 to rotate upward around the rotating rod 206 as the axis. At this time, the elastic rope 207 will be subjected to tensile force. When the rotating rod 203 rotates in the reverse direction, the connecting rope 204 relaxes, and the elastic rope 207, by its own elastic contraction, drives the screen 205 to rotate downward and return to its initial position. Through this continuous forward and reverse rotation, the screen 205 can continuously swing up and down, effectively screening the concrete. Multiple support legs 14 are fixedly connected at equal intervals to the bottom of the mixing drum 1. The bottom of the support legs 14 is equipped with foot pads 15 to support the overall structure. A connecting plate 16 is provided on the front side of the outer wall of the mixing drum 1, and a label 17 is fixed on the outside of the connecting plate 16.
[0043] Reference Figure 2 and Figure 3 A warning sign 18 is provided on the left side of the outer wall of the mixing tank 1. A screw 19 is threadedly connected to the outer side of the warning sign 18. The warning sign 18 is fixed by the screw 19 and serves as a warning. A fixing block 20 is fixedly connected to the rear side of the mixing tank 1. A hook 21 is fixedly connected to the outer side of the fixing block 20, which can be used to hang some tools.
[0044] Specifically, a warning sign 18 is provided on the left side of the outer wall of the mixing tank 1. The warning sign 18 is connected to a screw 19 by an outer thread and is fixed by the screw 19 to perform the warning function. In addition, a fixing block 20 is provided on the rear side of the mixing tank 1. A hook 21 is fixed on the outer side of the fixing block 20 to facilitate the hanging of various tools.
[0045] Working principle: When the motor 3 is started, its output kinetic energy drives the rotating shaft 4 to start rotating through the transmission mechanism. A fixed rod 8 is installed on the outside of the rotating shaft 4, and a stirring blade 22 is installed on the fixed rod 8. As the rotating shaft 4 rotates, the stirring blade 22 also starts to rotate, effectively stirring and crushing the aggregate in the mixing tank 1. At the bottom of the mixing tank 1, filter plates 5, 6, and 7 are set up. The pore sizes of these filter plates are different. During the stirring process, the aggregate will accumulate to different degrees on filter plates 5, 6, and 7 according to its size and shape. At the same time, the rotation of the rotating shaft 4 also drives the scraper 9 to rotate. The scraper 9 is located above the three filter plates and its function is to periodically clean the aggregate accumulated on the top of the filter plates. In this way, the scraper 9 ensures that the stirring and crushing process can be carried out continuously and effectively, thereby improving the efficiency and quality of the entire stirring process.
[0046] Start motor 202 to drive rotating rod 203. During forward rotation, connecting rope 204 winds around the rotating rod 206, pulling screen 205 upward. At this time, elastic rope 207 is stretched. When rotating rod 203 rotates in the opposite direction, connecting rope 204 relaxes, and elastic rope 207, due to its elasticity, drives screen 205 downward and returns to its initial position. Through this continuous forward and reverse rotation, screen 205 can continuously swing up and down, thus effectively screening the processed concrete.
[0047] 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 plant for the production of recycled concrete comprising a mixing drum (1), characterized in that: The top of the mixing tank (1) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a rotating shaft (4), a fixed rod (8) is fixedly connected at equal intervals to the outside of the rotating shaft (4), a stirring blade (22) is fixedly connected to the outside of the fixed rod (8), a filter plate (5) is rotatably connected to the top of the rotating shaft (4), a filter plate (6) is rotatably connected to the middle of the rotating shaft (4), a filter plate (7) is rotatably connected to the bottom of the rotating shaft (4), a scraper (9) is provided on the top of the filter plate (5), the filter plate (6) and the filter plate (7), and a screening mechanism (2) is installed on the right side of the mixing tank (1), the screening mechanism (2) is used to screen materials.
2. The apparatus for producing recycled concrete according to claim 1, wherein: The screening mechanism (2) includes a collection box (201), which is located on the right side of the mixing tank (1). A motor (202) is fixedly connected to the top front side of the collection box (201). A rotating rod (203) is fixedly connected to the output end of the motor (202). A connecting rope (204) is provided on the outside of the rotating rod (203). A screen (205) is fixedly connected to the other end of the connecting rope (204). Rotating rods (206) are fixedly connected to the left and right sides of the screen (205). The outside of the rotating rod (206) is rotatably connected to the inner wall of the collection box (201). An elastic rope (207) is fixedly connected to the bottom rear side of the screen (205).
3. The apparatus for producing recycled concrete according to claim 1, wherein: A mounting block (10) is fixedly connected to the upper right side of the outer wall of the mixing tank (1), and a handle (11) is fixedly connected to the outer side of the mounting block (10).
4. The apparatus for producing recycled concrete according to claim 1, wherein: A feed chute (12) is provided on the top left side of the mixing tank (1), and a discharge chute (13) is provided on the lower right side of the outer wall of the mixing tank (1).
5. The apparatus for producing recycled concrete according to claim 1, wherein: The bottom of the mixing tank (1) is fixedly connected with multiple support legs (14) at equal intervals, and the bottom of the support legs (14) is fixedly connected with foot pads (15).
6. The apparatus for producing recycled concrete according to claim 1, wherein: A connecting plate (16) is fixedly connected to the front side of the outer wall of the mixing tank (1), and a label (17) is fixedly connected to the outer side of the connecting plate (16).
7. The apparatus of claim 1, wherein: A warning sign (18) is provided on the left side of the outer wall of the mixing tank (1), and a screw (19) is threadedly connected to the outer side of the warning sign (18).
8. The apparatus for producing recycled concrete according to claim 1, wherein: A fixing block (20) is fixedly connected to the rear side of the mixing tank (1), and a hook (21) is fixedly connected to the outer side of the fixing block (20).
Citation Information
Patent Citations
A production process and apparatus for recycled concrete
CN113000179B