Construction waste screening equipment

Abstract

The utility model relates to the technical field of construction waste recycling, and discloses construction waste screening equipment which comprises a sorting machine body and a conveying belt device, a vibration sorting mechanism is arranged in the sorting machine body, a feeding port aligned with the conveying belt device is formed in one side of the sorting machine body, and a discharging port aligned with the conveying belt device is formed in the other side of the sorting machine body. And a first screening outlet and a second screening outlet are formed in the other side of the sorting machine body. The first outer cover shell can be used for relatively covering and sealing the connecting position of the feeding port and the conveying belt device, the amount of concrete waste dust diffused into the using environment in the feeding port can be reduced, the operation effect is improved, the low-speed motor drives the material distributing rod piece, and the material distributing effect is improved. And a plurality of material distributing plates at the bottom of the material distributing rod piece can be used for automatically spreading and dispersing piled construction waste fragments in the feeding opening, and the vibration screening efficiency of the construction waste fragments in the sorting machine body is further improved.

Description

Technical Field

[0001] This utility model relates to the field of construction waste recycling technology, specifically a construction waste screening device. Background Technology

[0002] Existing construction waste mainly includes construction slag, waste bricks, waste tiles, scattered mortar and concrete, as well as small amounts of steel, wood, glass, plastics, and various packaging materials. The general treatment method in the current technology is to transport it to a designated location for centralized landfill. However, after a long period of time, landfill will cause pollution risks and cause greater pollution to people's living environment.

[0003] In recent years, with in-depth research by professionals in related industries, a new technical approach to the treatment of construction waste has emerged: recycling and reprocessing. Simply put, this involves first centrally crushing the construction waste, then screening and classifying it, and finally processing it into recycled building materials such as bricks or concrete. This ensures the supply of materials while reducing environmental damage. Furthermore, with the further development of related technologies, there are now corresponding equipment for screening construction waste after crushing, namely construction waste sorting machines. These machines mainly consist of a vibrating screening mechanism and multiple filtration structures, and in actual operation, they are often used in combination with conveyor belt devices to achieve integrated feeding and screening operations.

[0004] However, the applicant found in the actual working environment that the connection between the conveyor belt device and the feed inlet of the construction waste sorting machine was set up in an open space. Therefore, some concrete waste dust would drift into the processing environment through the open space. Secondly, the waste fragments conveyed by the conveyor belt device to the feed inlet of the construction waste sorting machine were initially piled up, and then gradually dispersed and screened under the further vibration operation of the construction waste sorting machine. There is room for further improvement in the efficiency of the operation in this process. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a construction waste screening device that solves the problems mentioned in the background section.

[0006] This utility model provides the following technical solution: a construction waste screening device, including a sorting machine body and a conveyor belt device. The sorting machine body is equipped with a vibration sorting mechanism inside, and a feed inlet aligned with the conveyor belt device is provided on one side of the sorting machine body. A first screening outlet and a second screening outlet are provided on the other side of the sorting machine body, and a support frame is installed at the bottom of the sorting machine body. A first outer shell is installed on one side of the sorting machine body to cover the connection between the feed inlet and the conveyor belt device. A material distribution rod and a low-speed motor are respectively provided inside and at the top of the first outer shell, which are movably fitted inside the feed inlet. The top structure of the material distribution rod penetrates through the top structure of the first outer shell and is drivenly connected to the output end of the low-speed motor.

[0007] Preferably, the low-speed motor is fitted with a second outer casing mounted on the top surface of the first outer casing, and a support base is installed between the inner wall of the second outer casing and the surface of the low-speed motor casing. A ventilation slot for ventilation and heat dissipation of the low-speed motor is opened on one side of the second outer casing, and a filter screen is fixedly nested in the ventilation slot.

[0008] The selected material distribution rod includes an optical shaft. Several material distribution plates distributed circumferentially are installed on the surface of the bottom end of the optical shaft. A clearance space is provided between the bottom of the material distribution plate and the inner wall of the bottom of the feed inlet. The top end of the optical shaft is fitted to the top structure of the first outer casing through a bearing, and the end of the top end of the optical shaft is connected to the output end of the low-speed motor for transmission.

[0009] Specifically, the output end of the low-speed motor is connected to a main drive gear, and the interior of the second outer casing is fitted with an air collection box and a U-shaped cylinder. A second air guide pipe is installed between the middle of the U-shaped cylinder and the air collection box. A first air guide pipe is installed between the bottom of the U-shaped cylinder and the inner top of the first outer casing. The interior of the air collection box is equipped with an air supply assembly that can mesh with the main drive gear. A third air guide pipe is installed on the top of the air collection box, penetrating the second outer casing and extending to the outer top of the second outer casing.

[0010] Selectedly, the air supply assembly includes a gear shaft and fan blades. The bottom structure of the gear shaft is a gear structure that meshes with the main drive gear, and the middle part of the gear shaft is fitted to the bottom structure of the air collection box through a bearing.

[0011] The number of fan blades is no less than two, which are equidistantly mounted on the end surface of the top of the gear shaft along the circumference of the gear shaft. The fan blades can rotate synchronously with the gear shaft and produce an output effect towards the top of the air collection box.

[0012] Preferably, both ends of the air collecting box are closed structures, and the internal space of the first air guide pipe, the internal space of the air collecting box, and the internal space of the second air guide pipe are combined to form an air intake channel.

[0013] Preferably, the end of the third air duct away from the second outer casing is fixed with a flange connector, and the internal space of the third air duct is connected to the air inlet channel.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model uses a low-speed motor, a second air duct, a material distribution rod, and a second outer casing as auxiliary devices. When combined with the sorting machine body and the conveyor belt device, in addition to the first outer casing covering and sealing the connection between the feed inlet and the conveyor belt device, which reduces the amount of concrete waste dust inside the feed inlet spreading into the working environment and improves the working effect, the low-speed motor, through the transmission of the material distribution rod, enables multiple material distribution plates at the bottom of the material distribution rod to automatically spread and disperse the piled construction waste fragments inside the feed inlet, further accelerating the vibration screening efficiency of the construction waste fragments inside the sorting machine body.

[0016] 2. This utility model comprises a series of structures including a main drive gear, a U-shaped cylinder, an air collection box, a first air guide pipe, a second air guide pipe, a third air guide pipe, gear shafts, and fan blades, forming a negative suction dust suppression device. When used in combination with the aforementioned auxiliary devices, the main drive gear can synchronously utilize the kinetic energy of a low-speed motor to drive the relevant gear shafts and fan blades to generate a continuous airflow effect towards the interior of the third air guide pipe within the air collection box. This creates a negative suction effect inside the air collection box. Subsequently, the dust confined within the space of the first outer casing will enter the interior of the air collection box through the first air guide pipe, the U-shaped cylinder, and the second air guide pipe, and then be carried by the air into the interior of the third air guide pipe and transported to designated equipment for purification. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a front view schematic diagram of the structure of this utility model;

[0019] Figure 3 This is a top view of the material distribution member of this utility model.

[0020] Figure 4 This is a top view of the feed inlet of the present invention.

[0021] Figure 5 This is a right-side view of the main drive gear of the present invention.

[0022] Figure 6 This is a cross-sectional schematic diagram of the air collection box structure of this utility model.

[0023] In the diagram: 1. Sorting machine body; 2. Conveyor belt device; 3. First outer casing; 4. First screening outlet; 5. Second screening outlet; 6. Feed inlet; 7. Material separating rod; 8. Second outer casing; 9. Main drive gear; 10. U-shaped cylinder; 11. Air collection box; 12. First air guide pipe; 13. Second air guide pipe; 14. Gear shaft; 15. Fan blade; 16. Third air guide pipe; 17. Support frame; 18. Low-speed motor. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0025] Example 1

[0026] Please see Figure 1-4 A construction waste screening device includes a sorting machine body 1 and a conveyor belt device 2. The sorting machine body 1 is equipped with a vibration sorting mechanism inside. A feed inlet 6 aligned with the conveyor belt device 2 is provided on one side of the sorting machine body 1. A first screening outlet 4 and a second screening outlet 5 are provided on the other side of the sorting machine body 1. A support frame 17 is installed at the bottom of the sorting machine body 1. A first outer shell 3 is installed on one side of the sorting machine body 1 to cover the connection between the feed inlet 6 and the conveyor belt device 2. A material separating rod 7 and a low-speed motor 18 are respectively provided inside and at the top of the first outer shell 3. The top structure of the material separating rod 7 penetrates through the top structure of the first outer shell 3 and is connected to the output end of the low-speed motor 18.

[0027] The material distribution rod 7 includes an optical shaft. Several material distribution plates distributed along its circumference are installed on the surface of the bottom end of the optical shaft. A clearance space is provided between the bottom of the material distribution plates and the inner wall of the bottom of the feed port 6. The top end of the optical shaft is fitted to the top structure of the first outer housing 3 through a bearing, and the end of the top end of the optical shaft is connected to the output end of the low-speed motor 18 for transmission.

[0028] The low-speed motor 18 is fitted with a second outer housing 8 installed on the top surface of the first outer housing 3, and a support base is installed between the inner wall of the second outer housing 8 and the housing surface of the low-speed motor 18. A ventilation slot for ventilation and heat dissipation of the low-speed motor 18 is opened on one side of the second outer housing 8, and a filter screen is fixedly nested in the ventilation slot.

[0029] When in use, the conveyor belt device 2 automatically transports the crushed construction waste fragments into the inside of the feed inlet 6. Because the first outer casing 3 covers and seals the connection between the feed inlet 6 and the conveyor belt device 2, it can reduce the amount of concrete waste dust inside the feed inlet 6 that diffuses into the working environment, thus improving the working effect.

[0030] After receiving construction waste fragments at the feed inlet 6, the low-speed motor 18 can be started. The output end of the low-speed motor 18 drives the material distribution rod 7 to stir synchronously. Then, the multiple material distribution plates at the bottom of the material distribution rod 7 automatically spread out the piled construction waste fragments inside the feed inlet 6, further accelerating the vibration screening efficiency of the construction waste fragments inside the sorting machine body 1. Subsequently, construction waste fragments of different sizes flow out of the device through the first screening outlet 4 and the second screening outlet 5 respectively.

[0031] Example 2

[0032] Please see Figure 1-4 The output end of the low-speed motor 18 is connected to the main drive gear 9. The second outer casing 8 is fitted with an air collection box 11 and a U-shaped cylinder 10. A second air guide pipe 13 is installed between the middle of the U-shaped cylinder 10 and the air collection box 11. A first air guide pipe 12 is installed between the bottom of the U-shaped cylinder 10 and the top inner side of the first outer casing 3. The air collection box 11 is equipped with an air supply component that can mesh with the main drive gear 9. A third air guide pipe 16 is installed on the top of the air collection box 11, which penetrates the second outer casing 8 and extends to the top outer side of the second outer casing 8.

[0033] The air supply assembly includes a gear shaft 14 and a fan blade 15. The bottom structure of the gear shaft 14 is a gear structure that meshes with the main drive gear 9. The middle part of the gear shaft 14 is fitted to the bottom structure of the air collection box 11 through a bearing. The number of fan blades 15 is not less than two, which are equidistantly mounted on the end surface of the top of the gear shaft 14 along the circumference of the gear shaft 14. The fan blades 15 can rotate synchronously with the gear shaft 14 and produce an output effect towards the top of the air collection box 11.

[0034] Both ends of the air collection box 11 are closed structures, and the internal space of the first air guide pipe 12, the internal space of the air collection box 11, and the internal space of the second air guide pipe 13 are combined to form an air inlet channel. The end of the third air guide pipe 16 away from the second outer casing 8 is fixed with a flange connector, and the internal space of the third air guide pipe 16 is connected to the air inlet channel.

[0035] In use, considering that the upper limit of the working effect is relatively low if only the first outer casing 3 is used to cover and block the dust diffusion, the main drive gear 9 and the associated structure of the main drive gear 9 are used for active dust collection, as follows:

[0036] The main drive gear 9 rotates synchronously with the output end of the low-speed motor 18. Then, the main drive gear 9 meshes synchronously with the bottom structure of the transmission gear shaft 14, causing the gear shaft 14 to drive multiple fan blades 15 connected to its top to rotate synchronously inside the air collection box 11. The rotating fan blades 15 accelerate the air inside the air collection box 11 and transport the air towards the inside of the third air guide pipe 16, thereby creating a negative suction effect inside the air collection box 11. Then, the dust confined in the internal space of the first outer casing 3 will enter the inside of the air collection box 11 through the first air guide pipe 12, the U-shaped cylinder 10 and the second air guide pipe 13, and then be carried by the air into the inside of the third air guide pipe 16. Finally, the third air guide pipe 16 transports the dust-containing air to the designated filtration and purification device, thereby significantly reducing the amount of concrete waste dust that diffuses into the processing environment during the operation of the entire device.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the accompanying drawings of this utility model, the fill patterns are merely for distinguishing layers and do not constitute any other limitation.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A construction waste screening device, comprising a sorting machine body (1) and a conveyor belt device (2), wherein the sorting machine body (1) is provided with a vibration sorting mechanism inside, and a feed inlet (6) aligned with the conveyor belt device (2) is provided on one side of the sorting machine body (1), and a first screening outlet (4) and a second screening outlet (5) are provided on the other side of the sorting machine body (1), and a support frame (17) is installed at the bottom of the sorting machine body (1), characterized in that: The sorting machine body (1) is equipped with a first outer shell (3) that covers the connection between the feed inlet (6) and the conveyor belt device (2). The inside and top of the first outer shell (3) are respectively provided with a material distribution rod (7) and a low-speed motor (18) that are movably sleeved inside the feed inlet (6). The top structure of the material distribution rod (7) penetrates the top structure of the first outer shell (3) and is connected to the output end of the low-speed motor (18).

2. The construction waste screening equipment according to claim 1, characterized in that: The low-speed motor (18) is fitted with a second outer housing (8) installed on the top surface of the first outer housing (3), and a support base is installed between the inner wall of the second outer housing (8) and the housing surface of the low-speed motor (18). A ventilation slot for ventilation and heat dissipation of the low-speed motor (18) is opened on one side of the second outer housing (8), and a filter screen is fixedly nested in the ventilation slot.

3. The construction waste screening equipment according to claim 1, characterized in that: The material distribution rod (7) includes an optical shaft. Several material distribution plates distributed along its circumference are installed on the surface of the bottom end of the optical shaft. A clearance space is provided between the bottom of the material distribution plate and the inner wall of the bottom of the feed port (6). The top end of the optical shaft is fitted with the top structure of the first outer housing (3) through a bearing, and the end of the top end of the optical shaft is connected to the output end of the low-speed motor (18) for transmission.

4. The construction waste screening equipment according to claim 2, characterized in that: The output end of the low-speed motor (18) is connected to the main drive gear (9). The second outer casing (8) is fitted with an air collection box (11) and a U-shaped cylinder (10). A second air guide pipe (13) is installed between the middle of the U-shaped cylinder (10) and the air collection box (11). A first air guide pipe (12) is installed between the bottom of the U-shaped cylinder (10) and the top inner side of the first outer casing (3). The air collection box (11) is equipped with an air supply assembly that can mesh with the main drive gear (9). A third air guide pipe (16) is installed on the top of the air collection box (11) that penetrates the second outer casing (8) and extends to the outer side of the top of the second outer casing (8).

5. The construction waste screening equipment according to claim 4, characterized in that: The air supply assembly includes a gear shaft (14) and a fan blade (15). The bottom structure of the gear shaft (14) is a gear structure that meshes with the main drive gear (9). The middle part of the gear shaft (14) is fitted with the bottom structure of the air collection box (11) through a bearing. The number of fan blades (15) is not less than two, which are equidistantly mounted on the end surface of the top of the gear shaft (14) along the circumference of the gear shaft (14). The fan blades (15) are able to rotate synchronously with the gear shaft (14) and produce an output effect toward the top of the air collection box (11).

6. The construction waste screening equipment according to claim 4, characterized in that: Both ends of the air collection box (11) are closed structures, and the internal space of the first air guide pipe (12), the internal space of the air collection box (11) and the internal space of the second air guide pipe (13) are combined to form an air intake channel.

7. The construction waste screening equipment according to claim 6, characterized in that: The third air duct (16) has a flange connector fixed at one end away from the second outer casing (8), and the internal space of the third air duct (16) is connected to the air inlet channel.

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