Crushing and screening device for building waste treatment

Abstract

The utility model discloses a crushing and screening device for building waste treatment, relates to the technical field of conveying belt fixing, and solves the problems that in the prior art, crushed building waste cannot be classified according to different particle sizes and materials, and follow-up recycling treatment is inconvenient. A crushing and screening device for construction waste treatment comprises a jaw crusher, the lower end of the jaw crusher is connected with a conveyor, a plurality of discharging grooves are evenly formed in the conveyor, and one end of the conveyor is sequentially provided with a screening mechanism and a collecting box; the screening mechanism comprises a screening barrel and a rack, the screening barrel is rotationally connected to the rack through a supporting device, one end of the screening barrel is annularly connected with a chain, the chain is matched with a chain wheel, and the chain wheel is driven by a first motor on the rack. The construction waste secondary screening device has the beneficial effects that secondary screening can be conducted on construction waste, classification is achieved, and classification and resource conversion can be conveniently conducted on the crushed construction waste.

Description

Technical Field

[0001] The utility model relates to the technical field of construction waste treatment, in particular to a crushing and screening device for construction waste treatment. Background Art

[0002] In the construction industry, when various buildings are rebuilt or demolished, construction waste is generated. Construction waste includes concrete, masonry, wood, metal and other materials. In order to recycle resources more effectively, these wastes need to be crushed. Crushed construction waste can be reused as a renewable resource. For example, crushed concrete can be used as a roadbed material, while masonry can be used to make new wall materials. Steel bars and wood in construction waste are separated, and these components can be reused as renewable resources. This approach not only greatly reduces dependence on natural resources, but also significantly reduces environmental pollution, achieving resource recycling and sustainable development.

[0003] The current structure of the construction waste crushing and processing device is generally as described in the patent application number "CN202220515680.0" for a construction waste recycling waste crushing and processing device, including a body, a feed port at the bottom of the body, a discharge port at the bottom of the body, a cavity in the body, two crushing rollers in the cavity, one of the crushing rollers is fixedly connected to a rotating rod, one end of the rotating rod passes through the body and is fixedly connected to a drive motor, the other end of the rotating rod is rotatably connected to the inner wall of the cavity, and the first pulley is fixedly connected to one end of the rotating rod near the drive motor. However, this utility model cannot classify the crushed construction waste according to different particle sizes and materials, which is not convenient for subsequent recycling and processing.

[0004] Therefore, the utility model proposes a crushing and screening device for construction waste treatment, which is used to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a crushing and screening device for treating construction waste, which is used to solve the problem in the prior art that the crushed construction waste cannot be classified according to different particle sizes and materials, which is not convenient for subsequent recycling and treatment.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A crushing and screening device for treating construction waste comprises a jaw crusher, the lower end of the jaw crusher is connected to a conveyor, a plurality of discharge chutes are evenly arranged on the conveyor, a screening mechanism and a collecting box are sequentially arranged at one end of the conveyor; the screening mechanism comprises a screening drum and a frame, the screening drum is rotatably connected to the frame through a supporting device, one end of the screening drum is circumferentially connected to a chain, the chain cooperates with a sprocket, and the sprocket is driven by a first motor on the frame.

[0008] By adopting the above technical solution, construction waste can be screened for the second time to achieve classification, which is convenient for classification and resource conversion of crushed construction waste.

[0009] Furthermore, a receiving plate is arranged in parallel at the end of the conveyor, and a vibration motor is connected to the lower end of the receiving plate; and the conveyor is arranged at an angle.

[0010] By adopting the above technical solution, the fallen construction waste can be caught and tilted and slid onto the conveyor, thereby avoiding the accumulation of construction waste.

[0011] Furthermore, a material receiving box is provided at the lower ends of the conveyor and the screening drum, and a handle is connected to the end of the material receiving box.

[0012] By adopting the above technical solution, construction waste can be collected to facilitate subsequent processing and transportation.

[0013] Furthermore, a guide plate is connected to one end of the conveyor close to the screening drum.

[0014] By adopting the above technical solution, the construction waste can be guided and all the construction waste can be transported into the screening drum through the guide plate.

[0015] Furthermore, a plurality of spiral plates are evenly arranged inside the screening cylinder at one end close to the collecting box.

[0016] By adopting the above technical solution, the construction waste can be guided to move forward and prevented from being blocked in the screening drum.

[0017] Furthermore, a box door is rotatably connected to the collection box, and a buckle lock is connected between the box door and the collection box.

[0018] By adopting the above technical solution, the steel bars and large pieces of construction waste in the collection box can be recycled and reused, while the closure of the collection box can be ensured during the collection process, ensuring the safe closure of the working environment.

[0019] Furthermore, a first synchronization mechanism is connected between the first motor and the conveyor.

[0020] By adopting the above technical solution, the conveyor and the screening drum are driven synchronously, making the operation of the entire device more efficient.

[0021] In summary, compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The utility model can perform secondary screening on the remaining construction waste through the screening mechanism, so that the steel bars and large pieces of construction waste fall into the collection box along the screening machine, and the crushed waste falls down and can be used to produce building materials such as recycled concrete and recycled bricks, thereby realizing the classification and resource conversion of the crushed construction waste. Crushing and screening can be carried out at the same time, which increases the work efficiency, improves the degree of automation, and reduces labor.

[0023] 2. The utility model can collect the screened construction waste through the receiving box, and recycle the steel bars and large pieces of construction waste through the collection box, thereby ensuring the working environment and facilitating subsequent processing and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The vertical schematic diagram of the utility model Figure 1 ;

[0025] Figure 2 The vertical schematic diagram of the utility model Figure 2 ;

[0026] Figure 3 It is the front view of the utility model;

[0027] Figure 4 It is a top view of the utility model;

[0028] Figure 5 for Figure 4 AA cross-sectional diagram of ;

[0029] In the figure: 1. jaw crusher; 2. conveyor; 3. discharge chute; 4. screening drum; 5. frame; 6. supporting device; 7. chain; 8. sprocket; 9. first motor; 10. receiving plate; 11. vibration motor; 12. receiving box; 13. handle; 14. guide plate; 15. spiral plate; 16. collecting box; 17. box door; 18. buckle lock; 19. first synchronization mechanism. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In this application, the directions or positional relationships indicated by the terms "upper", "inner", "outer", "middle", etc. are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction.

[0032] like Figure 1 and Figure 2 As shown, a crushing and screening device for treating construction waste includes a jaw crusher 1, a conveyor 2 is connected to the lower end of the jaw crusher 1, a plurality of feed chutes 3 are evenly arranged on the conveyor 2, and a screening mechanism and a collection box 16 are sequentially arranged at one end of the conveyor 2; then the construction waste first enters the jaw crusher 1, and the waste such as concrete blocks, bricks and tiles, and stones are crushed, and the metal materials such as waste steel bars and steel are impacted and separated from them, and then the waste falls on the conveyor 2, and then the crushed construction waste falls through the feed chutes 3, and the remaining construction waste is conveyed to the screening mechanism through the conveyor 2, and the screening mechanism performs secondary screening on the remaining construction waste, and then the steel bars and large pieces of construction waste fall into the collection box 16 along the screening machine, and the crushed waste falls, which can be used to produce building materials such as recycled concrete and recycled bricks, so as to realize the classification and resource conversion of the crushed construction waste. Crushing and screening can be carried out at the same time, which increases the work efficiency, improves the degree of automation, and reduces labor. The collection box 16 is rotatably connected with a box door 17, and a buckle lock 18 is connected between the box door 17 and the collection box 16. Then, the buckle lock 18 is used to unlock the box door 17 and the collection box 16, so that the steel bars and large pieces of construction waste in the collection box 16 can be recycled and reused, and at the same time, the sealing of the collection box 16 can be ensured during the collection process, ensuring the safe closure of the working environment.

[0033] like Figure 3 and Figure 4As shown, the screening mechanism includes a screening drum 4 and a frame 5, the screening drum 4 is rotatably connected to the frame 5 through a supporting device 6, and a plurality of spiral plates 15 are evenly arranged at one end of the screening drum 4 near the collecting box 16. Then, when the construction waste passes through the screening drum 4, the spiral plates 15 can guide the construction waste to move forward to prevent the construction waste from being blocked in the screening drum 4. A chain 7 is circumferentially connected to one end of the screening drum 4, and the chain 7 cooperates with a sprocket 8, and the sprocket 8 is driven by a first motor 9 on the frame 5. Then, the first motor 9 drives the sprocket 8 to rotate, and the chain 7 cooperates with the sprocket 8, and then the sprocket 8 drives the screening drum 4 to rotate on the supporting device 6. A first synchronization mechanism 19 is connected between the first motor 9 and the conveyor 2, and then the conveyor 2 and the screening drum 4 are driven synchronously, so that the operation of the entire device is more efficient.

[0034] like Figure 5 As shown, a receiving plate 10 is arranged in parallel at the end of the conveyor 2, and a vibration motor 11 is connected to the lower end of the receiving plate 10. The conveyor 2 is arranged at an angle, and can catch the fallen construction waste and slide it obliquely onto the conveyor 2, thereby avoiding the accumulation of construction waste. A receiving box 12 is arranged at the lower end of the conveyor 2 and the screening drum 4, and a handle 13 is connected to the end of the receiving box 12; the construction waste can be collected, which is convenient for subsequent processing and transportation, and ensures the working environment. A guide plate 14 is connected to the end of the conveyor 2 close to the screening drum 4, which can guide the construction waste and transport all the construction waste to the screening drum 4 through the guide plate 14.

[0035] The working process of the utility model is:

[0036] First, the construction waste is put into the jaw crusher 1, and the jaw crusher 1 crushes the concrete blocks, bricks, stones and other wastes, and impacts and separates the waste steel bars, steel and other metal materials, and then the waste falls onto the conveyor 2, and then the first motor 9 is started, and the conveyor 2 and the screening drum 4 are driven synchronously through the first synchronization mechanism 19, and then the crushed construction waste falls through the discharge chute 3 of the conveyor 2 and falls into the receiving box 12, and the remaining construction waste is transmitted to the screening mechanism through the conveyor 2, and then the first motor 9 drives the sprocket 8 to rotate, the chain 7 cooperates with the sprocket 8, and then the sprocket 8 drives the screening drum 4 to rotate on the supporting device 6, and the screening mechanism performs secondary screening on the remaining construction waste, and then the steel bars and large pieces of construction waste fall into the collecting box 16 along the screening machine, and the crushed waste falls and falls into the receiving box 12.

Claims

1. A crushing and screening device for treating construction waste, comprising a jaw crusher (1), characterized in that: The lower end of the jaw crusher (1) is connected to a conveyor (2), a plurality of feed chutes (3) are evenly arranged on the conveyor (2), and a screening mechanism and a collecting box (16) are sequentially arranged at one end of the conveyor (2); the screening mechanism comprises a screening drum (4) and a frame (5), the screening drum (4) is rotatably connected to the frame (5) through a supporting device (6), one end of the screening drum (4) is circumferentially connected to a chain (7), the chain (7) cooperates with a sprocket (8), and the sprocket (8) is driven by a first motor (9) on the frame (5).

2. The crushing and screening device for construction waste treatment according to claim 1 is characterized in that: A material receiving plate (10) is arranged in parallel at the end of the conveyor (2), and a vibration motor (11) is connected to the lower end of the material receiving plate (10); the conveyor (2) is arranged in an inclined manner.

3. The crushing and screening device for construction waste treatment according to claim 2 is characterized in that: A material receiving box (12) is provided at the lower ends of the conveyor (2) and the screening drum (4), and a handle (13) is connected to the end of the material receiving box (12).

4. The crushing and screening device for construction waste treatment according to claim 3 is characterized in that: One end of the conveyor (2) close to the screening drum (4) is connected to a guide plate (14).

5. The crushing and screening device for construction waste treatment according to claim 4 is characterized in that: A plurality of spiral plates (15) are evenly arranged at one end of the interior of the screening cylinder (4) close to the collecting box (16).

6. The crushing and screening device for construction waste treatment according to claim 5 is characterized in that: The collection box (16) is rotatably connected to a box door (17), and a buckle lock (18) is connected between the box door (17) and the collection box (16).

7. The crushing and screening device for construction waste treatment according to claim 1 is characterized in that: A first synchronization mechanism (19) is connected between the first motor and the conveyor (2).

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