Concrete raw material crushing and mixing device
By designing a concrete raw material crushing and mixing device including a mixing box, a crushing box, a crushing roller, a guide plate, a filter plate and a mixing structure, the problem of dust and fragments splashing when concrete raw materials are crushed is solved, and a more efficient material mixing and a safer operating environment are achieved.
Patent Information
- Application Number
- CN202411959113.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-03-18
AI Technical Summary
When the concrete raw materials are crushed, large dust will be generated, and some fragments may splash, causing environmental pollution and are not conducive to the work of the staff.
A concrete raw material crushing and mixing device is designed, including a mixing box, a crushing box, a crushing roller, a guide plate, a filter plate and a stirring structure. The raw materials are introduced into the crushing rollers through the guide plate for crushing. The crushed dust and fragments are screened and collected through the baffle and filter plate. The mixing and stirring structure ensures that the materials are fully mixed.
It effectively reduces the splash of dust and fragments, reduces environmental pollution, improves the mixing efficiency of materials, and ensures the safety of the working environment.
Smart Images

Figure CN119635831A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of concrete raw materials, in particular to a concrete raw material crushing and mixing device. Background Art
[0002] Concrete is an engineering composite material made of cementitious materials, coarse and fine aggregates and water in a certain proportion. Its main raw materials include cement, water, crushed stone, sand, etc. These raw materials each play an important role in concrete. Concrete is widely used in civil engineering, such as beams, slabs, columns and other structural parts of buildings. Its high strength and durability make it an indispensable material in modern buildings. When crushing the concrete raw materials, large dust will be generated, and some fragments may splash, causing environmental pollution and hindering the work of workers. Therefore, a concrete raw material crushing and mixing device is proposed. Summary of the invention
[0003] The purpose of the present invention is to provide a concrete raw material crushing and mixing device to solve the problem raised in the above background technology that when crushing concrete raw materials, large dust will be generated, and some fragments may splash, causing environmental pollution and being unfavorable to the work of workers.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a concrete raw material crushing and mixing device comprises a mixing box, the top of the mixing box is fixedly connected to a crushing box, two crushing rollers are rotatably arranged inside the crushing box, one end of the two crushing rollers are fixedly arranged with gears and the two gears are meshed with each other, a first motor is fixedly arranged on one side of the crushing box and the output end of the first motor is fixedly connected to one of the crushing rollers, two guide plates are fixedly arranged inside the crushing box, two first baffles are hingedly connected inside the crushing box and the first baffles are located above the guide plates, torsion springs are arranged at both ends of the two first baffles and the two ends of the torsion springs are respectively fixedly connected to the first baffles and the crushing box, two second baffles are fixedly arranged on the inner wall of the crushing box, a filter plate is placed between the tops of the two second baffles, a collecting box is arranged on one side of the crushing box and the collecting box is located on the top of the mixing box, a stirring structure is arranged inside the mixing box, and a box door is arranged on one side of the mixing box.
[0005] Preferably, the stirring structure includes a transmission rod, which is rotatably installed inside a mixing box, a plurality of stirring rods are fixedly arranged on the outside of the transmission rod, a first pulley is fixedly arranged on one end of the transmission rod, a second motor is fixedly installed on one side of the mixing box through a support and the output end of the second motor is fixedly connected to the transmission rod, two reciprocating bidirectional screws are rotatably arranged inside the mixing box, a second pulley is fixedly arranged on one end of the two reciprocating bidirectional screws, the first pulley and the two second pulleys are respectively connected with belts, a connecting block is threadedly connected to the outside of the two reciprocating bidirectional screws, a scraper is fixedly arranged on one side of the connecting block and the scraper is in contact with the inner wall of the mixing box, and two fixed plates are fixedly arranged on one side of the scraper.
[0006] Preferably, a discharge chute is provided on one side of the mixing box.
[0007] Preferably, a threaded hole is provided inside the connection block, and the size of the reciprocating bidirectional screw is matched with the threaded hole.
[0008] Preferably, the scraper is processed into an L-shape, and the scraper is in contact with the inner wall of the mixing box, and the fixing plate on one side of the scraper is processed into a triangle.
[0009] Preferably, the four sides of the top of the collecting box are processed into oblique lines.
[0010] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects: The present invention provides a mixing box, a crushing box, a crushing roller, a first motor and a guide plate. When crushing and mixing concrete, the raw materials are poured into the mixing box, the crushing roller crushes the raw materials, the crushed raw materials are screened through the filter plate, the screened raw materials fall into the mixing box, and then the second motor is started, the stirring rod mixes and stirs the materials, and the fixed plate on one side of the scraper flips the materials on both sides, thereby improving the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3It is a schematic diagram of the internal structure of the mixing box of the present invention; Figure 4 It is a schematic diagram of the connection structure between the first baffle and the mixing box of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure of A.
[0013] Explanation of the accompanying drawings: 1. mixing box; 2. crushing box; 3. crushing roller; 4. gear; 5. first motor; 6. guide plate; 7. first baffle; 8. torsion spring; 9. second baffle; 10. filter plate; 11. collecting box; 12. transmission rod; 13. stirring rod; 14. first pulley; 15. second motor; 16. reciprocating bidirectional screw; 17. second pulley; 18. belt; 19. connecting block; 20. scraper; 21. fixing plate; 22. box door. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0015] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application. Example
[0016] In the prior art, when the concrete raw materials are crushed, a large amount of dust will be generated, and some of the broken pieces may splash, causing environmental pollution and being unfavorable to the work of the workers.
[0017] See also Figure 1-5The present invention provides a technical solution: a concrete raw material crushing and mixing device, comprising a mixing box 1, a crushing box 2 is fixedly connected to the top of the mixing box 1, two crushing rollers 3 are rotatably arranged inside the crushing box 2, one end of the two crushing rollers 3 are fixedly arranged with gears 4 and the two gears 4 are meshed with each other, a first motor 5 is fixedly arranged on one side of the crushing box 2 and the output end of the first motor 5 is fixedly connected to one of the crushing rollers 3, two guide plates 6 are fixedly arranged inside the crushing box 2, two first baffles 7 are hingedly connected inside the crushing box 2 and the first baffles 7 are above the guide plates 6, torsion springs 8 are arranged at both ends of the two first baffles 7 and the two ends of the torsion springs 8 are fixedly connected to the first baffles 7 and the crushing box 2 respectively, the inside of the crushing box 2 Two second baffles 9 are fixedly provided on the wall, and a filter plate 10 is placed between the tops of the two second baffles 9. A collecting box 11 is provided on one side of the crushing box 2 and the collecting box 11 is located on the top of the mixing box 1. A stirring structure is provided inside the mixing box 1, and a box door 22 is provided on one side of the mixing box 1. When the concrete is crushed and mixed, the raw materials are poured into the mixing box 1, and the raw materials are introduced into between the two crushing rollers 3 through the guide plate 6 for crushing. The dust and fragments generated by the crushing are blocked by the first baffle 7. At the same time, the crushed raw materials are screened through the filter plate 10, and the screened raw materials fall into the mixing box 1. Some larger raw materials fall into the collecting box 11 for centralized collection, which is convenient for secondary crushing.
[0018] The stirring structure includes a transmission rod 12, which is rotatably installed inside the mixing box 1, and a plurality of stirring rods 13 are fixedly arranged on the outer side of the transmission rod 12, and a first pulley 14 is fixedly arranged at one end of the transmission rod 12. A second motor 15 is fixedly installed on one side of the mixing box 1 through a support, and the output end of the second motor 15 is fixedly connected to the transmission rod 12. Two reciprocating bidirectional screws 16 are rotatably arranged inside the mixing box 1, and a second pulley 17 is fixedly arranged at one end of the two reciprocating bidirectional screws 16. The first pulley 14 and the two second pulleys 17 are respectively connected with belts 18, and the outer sides of the two reciprocating bidirectional screws 16 are threadedly connected with connecting blocks 19, and the connecting blocks A scraper 20 is fixedly provided on one side of 19 and the scraper 20 is in contact with the inner wall of the mixing box 1. Two fixed plates 21 are fixedly provided on one side of the scraper 20. The material crushed by the crushing box 2 will fall into the interior of the mixing box 1, and then the second motor 15 is started. The second motor 15 drives the reciprocating bidirectional screw 16 and the transmission rod 12 to rotate simultaneously. The stirring rod 13 on the outside of the transmission rod 12 will mix and stir the materials. At the same time, the scraper 20 on the outside of the reciprocating bidirectional screw 16 will reciprocate to scrape the inner wall of the mixing box 1 to prevent the material from adhering to the inner wall of the mixing box 1. At the same time, the fixed plate 21 on one side of the scraper 20 will flip the materials on both sides, thereby improving the mixing efficiency.
[0019] A discharging chute is provided on one side of the mixing box 1 to facilitate the removal of the mixed raw materials.
[0020] A threaded hole is provided inside the connection block 19 , and the size of the reciprocating bidirectional screw 16 matches the threaded hole. The scraper 20 on one side of the connection block 19 is driven to move by rotating the reciprocating bidirectional screw 16 .
[0021] The scraper 20 is processed into an L shape, and the scraper 20 is in contact with the inner wall of the mixing box 1 . Meanwhile, the fixing plate 21 on one side of the scraper 20 is processed into a triangle, and the scraper 20 is used to scrape the material adhered to the inner wall of the mixing box 1 .
[0022] The four sides of the top of the collecting box 11 are processed into oblique lines to facilitate the introduction of the crushed materials into the collecting box 11.
[0023] Working principle or structural principle, when crushing and mixing concrete, the raw materials are poured into the interior of the mixing box 1, and the raw materials will squeeze the first baffle 7 and be introduced into between the two crushing rollers 3 through the guide plate 6 for crushing. The first baffle 7 will be reset by the torsion springs 8 on both sides, so as to block the dust and fragments generated by the crushing. At the same time, the crushed raw materials will be screened through the filter plate 10, and the screened raw materials will fall into the interior of the mixing box 1. The larger raw materials will fall into the collecting box 11 for centralized collection, which is convenient for secondary crushing. Then the second motor 15 is started, and the second motor 15 drives the reciprocating bidirectional screw 16 and the transmission rod 12 to rotate at the same time. The stirring rod 13 outside the transmission rod 12 will mix and stir the materials. At the same time, the scraper 20 outside the reciprocating bidirectional screw 16 will reciprocate to scrape the inner wall of the mixing box 1 to prevent the materials from adhering to the inner wall of the mixing box 1. At the same time, the fixed plate 21 on one side of the scraper 20 will flip the materials on both sides, so as to improve the mixing efficiency.
[0024] It will be appreciated by those skilled in the art that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.
Claims
1. A concrete raw material crushing and mixing device, comprising a mixing box (1), characterized in that: The top of the mixing box (1) is fixedly connected to a crushing box (2), two crushing rollers (3) are rotatably arranged inside the crushing box (2), one end of each of the two crushing rollers (3) is fixedly provided with a gear (4), and the two gears (4) are meshed with each other, a first motor (5) is fixedly arranged on one side of the crushing box (2), and the output end of the first motor (5) is fixedly connected to one of the crushing rollers (3), two guide plates (6) are fixedly arranged inside the crushing box (2), and two first baffles (7) are hingedly connected inside the crushing box (2), and the first baffles (7) are located at Above the guide plate (6), torsion springs (8) are provided at both ends of the two first baffles (7), and the two ends of the torsion springs (8) are respectively fixedly connected to the first baffles (7) and the crushing box (2); two second baffles (9) are fixedly provided on the inner wall of the crushing box (2); a filter plate (10) is placed between the tops of the two second baffles (9); a collecting box (11) is provided on one side of the crushing box (2), and the collecting box (11) is located on the top of the mixing box (1); a stirring structure is provided inside the mixing box (1); and a box door (22) is provided on one side of the mixing box (1).
2. A concrete raw material crushing and mixing device according to claim 1, characterized in that: The stirring structure comprises a transmission rod (12), the transmission rod (12) being rotatably mounted inside a mixing box (1), a plurality of stirring rods (13) being fixedly arranged outside the transmission rod (12), a first pulley (14) being fixedly arranged at one end of the transmission rod (12), a second motor (15) being fixedly mounted on one side of the mixing box (1) via a support, and an output end of the second motor (15) being fixedly connected to the transmission rod (12), and two reciprocating bidirectional screws being rotatably arranged inside the mixing box (1) (16), a second pulley (17) is fixedly provided at one end of the two reciprocating bidirectional screws (16), the first pulley (14) and the two second pulleys (17) are respectively connected to a belt (18), the outer sides of the two reciprocating bidirectional screws (16) are threadedly connected to a connecting block (19), a scraper (20) is fixedly provided on one side of the connecting block (19) and the scraper (20) is in contact with the inner wall of the mixing box (1), and two fixing plates (21) are fixedly provided on one side of the scraper (20).
3. The concrete raw material crushing and mixing device according to claim 1, characterized in that: A discharge trough is provided on one side of the mixing box (1).
4. A concrete raw material crushing and mixing device according to claim 2, characterized in that: A threaded hole is provided inside the connection block (19), and the size of the reciprocating bidirectional screw (16) is compatible with the threaded hole.
5. The concrete raw material crushing and mixing device according to claim 2, characterized in that: The scraper (20) is processed into an L-shape, and the scraper (20) is in contact with the inner wall of the mixing box (1), while the fixing plate (21) on one side of the scraper (20) is processed into a triangle.
6. The concrete raw material crushing and mixing device according to claim 1, characterized in that: The four sides of the top of the collecting box (11) are all processed into oblique lines.