Recycled fine aggregate production equipment

Abstract

The invention discloses recycled fine aggregate production equipment, and relates to the technical field of recycled fine aggregate production, and adopts the technical scheme that the recycled fine aggregate production equipment comprises an equipment base, a screening box is arranged at the upper part of the equipment base, a third motor is arranged at the upper part of the screening box, a first gear is arranged at the output end of the third motor, and the right side of the first gear is meshed with a second gear; according to the aggregate screening device, the rotating rod rotates to drive the pressing roller to roll and roll on the surface of the granulating plate, aggregate is rolled by the granulating plate and the pressing roller to form particles, and the particles fall into the screening box; the rotating rod rotates to drive a spiral sieve plate fixedly connected with the bottom to rotate, the materials entering the screening box can roll downwards under the driving of the spiral sieve plate, aggregate with small particle size and poor appearance can penetrate through the spiral sieve plate to fall into the bottom of the screening box in the rolling process, and aggregate with large particle size can be discharged through a discharging port.

Description

Technical Field

[0001] The invention relates to the technical field of recycled fine aggregate production, and in particular to recycled fine aggregate production equipment. Background Art

[0002] The technical background of recycled fine aggregate production equipment stems from the urgent need for environmental governance and resource recycling. With the increasing reduction of natural sand and gravel resources and the prominent problem of solid waste treatment such as construction waste, the use of recycled aggregate to replace natural aggregate has become an important trend in the concrete industry. Recycled fine aggregate production equipment uses a series of processes to convert waste such as construction waste and slag into fine aggregate with utilization value, which not only solves the problem of waste disposal, but also realizes the recycling of resources. The application of these equipment not only conforms to the concept of energy conservation and environmental protection, but also can effectively reduce construction costs and improve the strength and durability of concrete. Therefore, recycled fine aggregate production equipment plays an important role in promoting the sustainable development of the construction industry and resource recycling.

[0003] After searching, the Chinese patent number CN118635247B discloses a recycled fine aggregate production equipment, recycled concrete aggregate equipment, which is usually processed by a single screening structure, so that the concrete blocks are doped with impurities such as steel bars. When processing large amounts or high-density construction solid waste, the crushing, screening and other capabilities of the equipment may not be sufficient to meet production needs, resulting in low production efficiency, which will affect the quality and particle size distribution of the recycled aggregate, and thus affect the performance of the recycled concrete. Technical solution: A device for making recycled concrete aggregate from construction solid waste and a production method thereof include a crushing bucket, a pressure cover, a crushing processing component, an electromagnetic control valve, a pressure component, a grinding tank, a transmission pipe, a mixing tank and a pure material filling component; the grinding tank is located around the outer periphery of the pressure component and can be used for refining and grinding aggregate operations, and can be used for preparing recycled concrete. Compared with the prior art, the Chinese patent number CN118635247B solves the problem that recycled concrete aggregate equipment is usually processed by a single screening structure, so that the concrete blocks are mixed with impurities such as steel bars. When processing a large amount or high-density construction solid waste, the crushing, screening and other capabilities of the equipment may not be sufficient to meet production needs.

[0004] However, in actual use of the above-mentioned device, the products after the recycled aggregate is granulated and molded are mixed with some products with smaller particle size and poor morphology. It is difficult to accurately control the particle size distribution of the molded products during the granulation and molding process of the device, resulting in some products with poor appearance and smaller particle size mixed in the product, which affects the overall quality of the recycled aggregate. Therefore, a recycled fine aggregate production equipment is proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings in the prior art that the products after recycled aggregate granulation and molding are mixed with some products with smaller particle size and poor morphology, and it is difficult to accurately control the particle size distribution of the molded products during the granulation and molding process of the device, resulting in some products with poor appearance and smaller particle size mixed in the product, thereby affecting the overall quality of the recycled aggregate, and a recycled fine aggregate production equipment is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A recycled fine aggregate production device, comprising a device base, a screening box is arranged on the upper part of the device base, a third motor is arranged on the upper part of the screening box, a first gear is arranged on the output end of the third motor, a second gear is meshedly connected to the right side of the first gear, a rotating rod is fixedly connected to the upper part of the second gear, the rotating rod is rotatably connected to the screening box, a spiral screen plate is fixedly connected to the bottom of the rotating rod, a discharge port is fixedly connected to the left side of the screening box, a scraper is arranged on the side of the discharge port close to the spiral screen plate, and a waste port is fixedly connected to the right side of the screening box;

[0008] The upper part of the screening box is fixedly connected with a granulating bin, and a granulating plate is fixedly connected inside the granulating bin, and a pressure roller is symmetrically fixedly connected to the top of the rotating rod, and the bottom end of the pressure roller contacts the upper surface of the granulating plate, and the rotating rod is symmetrically provided with a pushing plate at the lower side of the granulating plate. After the aggregate enters the granulating bin, the third motor is started, and the rotating rod is driven to rotate by the third motor. The rotation of the rotating rod drives the pressure roller to rotate and grind on the surface of the granulating plate, and the aggregate is squeezed through the granulating plate to form a particle shape, and the granular aggregate is driven into the screening box through the pushing plate, and the rotation of the rotating rod drives the spiral screen plate to rotate, and the aggregate rolls downward on the spiral screen plate. In the process, aggregate with smaller particle size passes through the spiral screen plate and falls into the bottom of the screening box, and qualified aggregate is sent out through the discharge port. The granulating bin is connected with the connection of the screening box, and the material can enter the screening box through the connection. The diameter of the sieve hole arranged on the spiral screen plate is adjustable, which can effectively screen aggregate with smaller particle size.

[0009] The above technical solution further includes:

[0010] Two vibration mechanisms are arranged at the bottom of the screening box, and the vibration mechanisms control the up and down movement of the beater rod arranged at the upper part, thereby driving the screening box to vibrate.

[0011] The vibration mechanism comprises a vibration shell fixedly connected to the upper part of the device base, a fourth motor is arranged inside the vibration shell, and a vibration component is arranged at the output end of the fourth motor.

[0012] The vibration assembly includes a first transmission arranged at the output end of the fourth motor, the first transmission is connected to a transmission belt, the transmission belt is connected to a second transmission wheel on a side away from the first transmission, the second transmission wheel is fixedly connected to a second eccentric shaft, the upper part of the second eccentric shaft is rotatably connected to a connecting piece, and the upper part of the connecting piece is rotatably connected to a racket rod.

[0013] A mixing barrel is fixedly connected to the upper part of the equipment base, a first motor is arranged on the upper part of the mixing barrel, and a stirring blade is arranged at the output end of the first motor.

[0014] An electric valve is arranged at the bottom of the first motor, and the outflow of materials in the mixing barrel is controlled by the electric valve.

[0015] A filtering mechanism is arranged on the upper part of the mixing barrel, and the filtering mechanism comprises a filtering box fixedly connected to the upper part of the mixing barrel, a feeding port is arranged on the upper part of the filtering box, a second motor is arranged on one side of the filtering box, and a filtering assembly is arranged on the output end of the second motor.

[0016] A first eccentric shaft is provided at the output end of the second motor, a connecting rod is rotatably connected to one side of the first eccentric shaft, and a filter plate is rotatably connected to one end of the connecting rod away from the first eccentric shaft. The filter plate is transmission-connected to the filter box, and four rotating wheels are provided at the lower part of the filter plate, which are transmission-connected to the filter box. The sieve holes on the filter plate have a small diameter and can screen out aggregates with fine particles.

[0017] A material guide plate is arranged inside the filter box, and the filtered aggregate is introduced into the mixing barrel through the material guide plate.

[0018] The present invention has the following beneficial effects:

[0019] 1. In the present invention, after the recycled aggregate enters the granulation bin, the third motor is started to drive the rotating rod to rotate, and the rotation of the rotating rod can drive the pressure roller to roll and crush on the surface of the granulation plate. The aggregate is formed into particles under the crushing of the granulation plate and the pressure roller and falls into the screening box. The rotation of the rotating rod can also drive the spiral screen plate fixedly connected to the bottom to rotate. The material entering the screening box will roll downward under the drive of the spiral screen plate. During the rolling process, the aggregate with smaller particle size and poor appearance can pass through the spiral screen plate and fall into the bottom of the screening box, while the aggregate with larger particle size and better appearance can be discharged through the discharge port. The formed aggregate is screened by the spiral screen plate, and the aggregate with smaller particle size and poor appearance is automatically removed and collected, which is convenient for re-granulation. The aggregate discharged through the discharge port has a larger particle size and a balanced particle size distribution, which effectively improves the quality of the aggregate produced by the equipment.

[0020] 2. In the present invention, a filter plate is arranged inside the filter box. The aggregate crushed into powder can be filtered through the filter plate after entering the filter box, thereby effectively filtering out the residue inside the aggregate. By starting the second motor, the filter plate can be driven to move back and forth. By driving the filter plate to move, the filtering efficiency can be effectively improved, and at the same time, the material can be prevented from blocking the sieve holes set on the filter plate to affect the filtering. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a recycled fine aggregate production device proposed by the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the mixing barrel in the present invention;

[0023] Figure 3 It is a schematic diagram of the internal structure of the filter box in the present invention;

[0024] Figure 4 It is a schematic diagram of the internal structure of the granulation bin in the present invention;

[0025] Figure 5 It is a schematic diagram of the internal structure of the screening box in the present invention;

[0026] Figure 6 It is a schematic diagram of the connection relationship of the vibration mechanism in the present invention;

[0027] Figure 7 It is a schematic diagram of the internal structure of the vibration shell in the present invention.

[0028] In the figure: 1. Equipment base; 2. Mixing barrel; 3. Filter box; 4. First motor; 5. Feeding port; 6. Second motor; 7. Granulating bin; 8. Screening box; 9. Discharging port; 10. Waste port; 11. Electric valve; 12. Stirring blade; 13. First eccentric shaft; 14. Connecting rod; 15. Filter plate; 16. Guide plate; 17. Pressing roller; 18. Granulating plate; 19. Pushing plate; 20. First gear; 21. Second gear; 22. Rotating rod; 23. Third motor; 24. Spiral sieve plate; 25. Vibrating shell; 26. Fourth motor; 27. First transmission; 28. Second transmission wheel; 29. ​​Transmission belt; 30. Second eccentric shaft; 31. Connecting piece; 32. Beating rod. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1

[0031] like Figure 1-Figure 7 As shown, a recycled fine aggregate production equipment includes an equipment base 1, a screening box 8 is arranged on the upper part of the equipment base 1, a third motor 23 is arranged on the upper part of the screening box 8, a first gear 20 is arranged on the output end of the third motor 23, a second gear 21 is meshed and connected to the right side of the first gear 20, a rotating rod 22 is fixedly connected to the upper part of the second gear 21, the rotating rod 22 is rotatably connected to the screening box 8, a spiral screen plate 24 is fixedly connected to the bottom of the rotating rod 22, a discharge port 9 is fixedly connected to the left side of the screening box 8, a scraper is arranged on the side of the discharge port 9 close to the spiral screen plate 24, and a waste port 10 is fixedly connected to the right side of the screening box 8.

[0032] The granulation bin 7 is fixedly connected to the top of the screening box 8, and a granulation plate 18 is fixedly connected to the inside of the granulation bin 7. The top of the rotating rod 22 is symmetrically fixedly connected to the pressing roller 17, and the bottom end of the pressing roller 17 contacts the upper surface of the granulation plate 18. The rotating rod 22 is symmetrically provided with a pushing plate 19 at the lower side of the granulation plate 18. After the aggregate enters the granulation bin 7, the third motor 23 is started, and the rotating rod 22 is driven by the third motor 23 to rotate. The rotating rod 22 rotates to drive the pressing roller 17 to rotate and roll on the surface of the granulation plate 18, and the aggregate is squeezed through the granulation plate 1 8 forms a granular shape, and the granular aggregate is driven into the screening box 8 by the pushing plate 19, and the rotation of the rotating rod 22 drives the spiral screen plate 24 to rotate, and the aggregate rolls downward on the spiral screen plate 24. In the process, the aggregate with smaller particle size passes through the spiral screen plate 24 and falls into the bottom of the screening box 8, and the qualified aggregate is sent out through the discharge port 9. The granulating bin 7 is connected with the screening box 8 at the connection, and the material can enter the screening box 8 through the connection. The diameter of the sieve hole set on the spiral screen plate 24 is adjustable, which can effectively screen the aggregate with smaller particle size.

[0033] Two vibration mechanisms are arranged at the bottom of the screening box 8. The vibration mechanisms control the up and down movement of the beater rod 32 arranged at the upper part, thereby driving the screening box 8 to vibrate. The vibration mechanism includes a vibration shell 25 fixedly connected to the upper part of the equipment base 1, and a fourth motor 26 is arranged inside the vibration shell 25. A vibration assembly is arranged at the output end of the fourth motor 26. The vibration assembly includes a first transmission 27 arranged at the output end of the fourth motor 26. The first transmission 27 is transmission-connected with a transmission belt 29. The transmission belt 29 is transmission-connected with a second transmission wheel 28 on the side away from the first transmission 27. The second transmission wheel 28 is fixedly connected with a second eccentric shaft 30. The upper part of the second eccentric shaft 30 is rotatably connected with a connecting member 31, and the upper part of the connecting member 31 is rotatably connected with a beater rod 32.

[0034] In this embodiment, after the recycled aggregate enters the granulation bin 7, the third motor 23 is first started, and the first gear 20 is driven to rotate by the third motor 23. The rotation of the first gear 20 drives the second gear 21 to rotate, and the rotation of the second gear 21 drives the fixedly connected rotating rod 22 to rotate. The rotation of the rotating rod 22 can drive the pressure roller 17 arranged on the upper part to roll and crush on the surface of the granulation plate 18. The aggregate falls into granules under the extrusion of the granulation plate 18 and the pressure roller 17, and the aggregate falling on the bottom of the granulation bin 7 can enter the screening box 8 under the drive of the push plate 19, and the rotation of the rotating rod 22 The movement can also drive the spiral sieve plate 24 fixedly connected to the bottom to rotate. The material entering the screening box 8 will roll downward under the drive of the spiral sieve plate 24. During the rolling process, aggregates with smaller particle size and poor appearance can pass through the spiral sieve plate 24 and fall into the bottom of the screening box 8, while aggregates with larger particle size and better appearance can be discharged through the discharge port 9. The formed aggregates are screened by the spiral sieve plate 24, and aggregates with smaller particle size and poor appearance are automatically removed and collected, which is convenient for re-granulation. The aggregates discharged through the discharge port 9 have larger particle size and balanced particle size distribution, which effectively improves the quality of aggregates produced by the equipment.

[0035] During the screening process, the fourth motor 26 inside the vibration shell 25 is started to drive the first transmission 27 to rotate. The rotation of the first transmission 27 drives the second transmission wheel 28 connected through the transmission belt 29 to rotate. The rotation of the second transmission wheel 28 can drive the second eccentric shaft 30 to rotate. The rotation of the second eccentric shaft 30 can drive the rotatably connected connecting member 31 to rotate. The rotation of the connecting member 31 can drive the rotatably connected racket 32 ​​to move up and down, thereby driving the screening box 8 and the spiral screen plate 24 inside the screening box 8 to vibrate, thereby effectively improving the screening effect of the material on the spiral screen plate 24 and optimizing the aggregate particle size distribution.

[0036] Embodiment 2

[0037] like Figure 1-Figure 7 As shown, a mixing barrel 2 is fixedly connected to the upper part of the equipment base 1, a first motor 4 is arranged on the upper part of the mixing barrel 2, a stirring blade 12 is arranged at the output end of the first motor 4, an electric valve 11 is arranged at the bottom of the first motor 4, and the outflow of materials in the mixing barrel 2 is controlled by the electric valve 11, a filtering mechanism is arranged on the upper part of the mixing barrel 2, the filtering mechanism includes a filtering box 3 fixedly connected to the upper part of the mixing barrel 2, a feeding port 5 is arranged on the upper part of the filtering box 3, a second motor 6 is arranged on one side of the filtering box 3, and a filtering component is arranged at the output end of the second motor 6.

[0038] A first eccentric shaft 13 is provided at the output end of the second motor 6, and a connecting rod 14 is rotatably connected to one side of the first eccentric shaft 13, and a filter plate 15 is rotatably connected to the end of the connecting rod 14 away from the first eccentric shaft 13, and the filter plate 15 is transmission-connected to the filter box 3. Four rotating wheels are provided at the lower part of the filter plate 15, and the filter plate 15 is transmission-connected to the filter box 3 through the rotating wheels. The sieve holes provided on the filter plate 15 have a small diameter and can screen out aggregates with fine particle sizes. A material guide plate 16 is provided inside the filter box 3, and the filtered aggregates are introduced into the mixing barrel 2 through the material guide plate 16.

[0039] In this embodiment, a filter plate 15 is provided inside the filter box 3. The crushed aggregate can be filtered through the filter plate 15 after entering the filter box 3, so as to effectively filter out the residue inside the aggregate. During filtering, the first eccentric shaft 13 can be driven to rotate by starting the second motor 6. The rotation of the first eccentric shaft 13 drives the connecting rod 14 to move, and the movement of the connecting rod 14 can drive the filter plate 15 to reciprocate left and right. The reciprocating movement of the filter plate 15 can effectively improve the filtering efficiency, and at the same time, it can also prevent the material from blocking the sieve holes set on the filter plate 15 to affect the filtering. The screened aggregate is introduced into the mixing barrel 2 through the guide plate 16, and then the adhesive is added into the mixing barrel 2. Then the first motor 4 is started, and the stirring blade 12 is driven by the first motor 4 to rotate to mix the material. After the mixing is completed, the electric valve 11 is opened to allow the mixed aggregate to fall into the granulation bin 7 through the electric valve 11 for granulation.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A recycled fine aggregate production device, comprising a device base (1), characterized in that: A screening box (8) is arranged on the upper part of the equipment base (1), a third motor (23) is arranged on the upper part of the screening box (8), a first gear (20) is arranged on the output end of the third motor (23), a second gear (21) is meshingly connected to the right side of the first gear (20), a rotating rod (22) is fixedly connected to the upper part of the second gear (21), the rotating rod (22) is rotatably connected to the screening box (8), a spiral sieve plate (24) is fixedly connected to the bottom of the rotating rod (22), a discharge port (9) is fixedly connected to the left side of the screening box (8), a scraper is arranged on the side of the discharge port (9) close to the spiral sieve plate (24), and a waste port (10) is fixedly connected to the right side of the screening box (8); The upper part of the screening box (8) is fixedly connected to a pelletizing bin (7), the interior of the pelletizing bin (7) is fixedly connected to a pelletizing plate (18), the top of the rotating rod (22) is symmetrically fixedly connected to a pressing roller (17), the bottom end of the pressing roller (17) is in contact with the upper surface of the pelletizing plate (18), and the rotating rod (22) is symmetrically provided with a pushing plate (19) at a position below the pelletizing plate (18). After the aggregate enters the pelletizing bin (7), the third motor (23) is started, and the rotating rod (22) is driven by the third motor (23) to generate The rotating rod (22) rotates, and the pressing roller (17) rotates and rolls on the surface of the granulating plate (18). The aggregate is squeezed through the granulating plate (18) to form a granular shape. The granular aggregate is driven into the screening box (8) through the pushing plate (19). The rotating rod (22) rotates and drives the spiral screen plate (24) to rotate. The aggregate rolls downward on the spiral screen plate (24). In the process, the aggregate with a smaller particle size passes through the spiral screen plate (24) and falls into the bottom of the screening box (8), while the qualified aggregate is sent out through the discharge port (9).

2. A recycled fine aggregate production equipment according to claim 1, characterized in that: Two vibration mechanisms are arranged at the bottom of the screening box (8), and the vibration mechanisms control the screening box (8) arranged at the top to move up and down, thereby driving the screening box (8) to vibrate.

3. A recycled fine aggregate production equipment according to claim 2, characterized in that: The vibration mechanism comprises a vibration shell (25) fixedly connected to the upper part of the device base (1), a fourth motor (26) is arranged inside the vibration shell (25), and a vibration component is arranged at the output end of the fourth motor (26).

4. A recycled fine aggregate production equipment according to claim 3, characterized in that: The vibration assembly comprises a first transmission (27) arranged at the output end of a fourth motor (26); the first transmission (27) is transmission-connected to a second transmission wheel (28); the second transmission wheel (28) is transmission-connected to a transmission belt (29) at a side away from the first transmission (27); the transmission belt (29) is fixedly connected to a second eccentric shaft (30); the upper part of the second eccentric shaft (30) is rotationally connected to a connecting member (31); the upper part of the connecting member (31) is rotationally connected to a racket rod (32).

5. The recycled fine aggregate production equipment according to claim 1, characterized in that: A mixing barrel (2) is fixedly connected to the upper part of the equipment base (1), a first motor (4) is arranged on the upper part of the mixing barrel (2), and a stirring blade (12) is arranged at the output end of the first motor (4).

6. The recycled fine aggregate production equipment according to claim 5, characterized in that: An electric valve (11) is provided at the bottom of the mixing barrel (2), and the outflow of materials in the mixing barrel (2) is controlled by the electric valve (11).

7. The recycled fine aggregate production equipment according to claim 5, characterized in that: A filtering mechanism is arranged on the upper part of the mixing barrel (2), and the filtering mechanism comprises a filtering box (3) fixedly connected to the upper part of the mixing barrel (2), a feeding port (5) is arranged on the upper part of the filtering box (3), a second motor (6) is arranged on one side of the filtering box (3), and a filtering assembly is arranged at the output end of the second motor (6).

8. The recycled fine aggregate production equipment according to claim 7, characterized in that: The output end of the second motor (6) is provided with a first eccentric shaft (13); one side of the first eccentric shaft (13) is rotatably connected to a connecting rod (14); one end of the connecting rod (14) away from the first eccentric shaft (13) is rotatably connected to a filter plate (15); and the filter plate (15) is transmission-connected to the filter box (3).

9. The recycled fine aggregate production equipment according to claim 7, characterized in that: A material guide plate (16) is arranged inside the filter box (3), and the filtered aggregate is introduced into the mixing barrel (2) through the material guide plate (16).

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