Construction waste recycling device convenient to screen

By designing a construction waste recycling device that facilitates screening, and utilizing the combination of drive and cleaning components, the problem of fine powder adhering to the surface of concrete block waste affecting the magnetic field strength was solved, thus achieving efficient screening of metal waste.

CN223996185UActive Publication Date: 2026-03-17JIANGSU KUANYUAN NEW BUILDING MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In existing technologies, fine powder on the surface of concrete block waste easily adheres to the surface of the magnetic roller during screening, forming a coating layer, which reduces the magnetic field strength and affects the screening efficiency of metal parts.

Method used

Design a construction waste recycling device that facilitates screening, including a drive component, a crushing component, a guiding component, a transmission component, a screening component, and a cleaning component. The drive component drives the crushing component and the transmission component to work, the screening component adsorbs metal waste, and the cleaning component scrapes off dust and maintains the magnetic field strength.

Benefits of technology

This improved the screening efficiency of the screening components, prevented dust accumulation from affecting the magnetic field strength, and ensured the efficient separation of metal waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223996185U_ABST
    Figure CN223996185U_ABST
Patent Text Reader

Abstract

The utility model discloses a construction waste recycling device facilitating screening, and relates to the technical field of construction waste recycling. The box comprises a box body. The driving assembly is started to drive the crushing assembly installed at the output end to operate, when the crushing assembly operates, the crushing assembly can be matched with the transmission assembly to drive the screening assembly to rotate, then the screening assembly adsorbs metal waste falling into surface waste in the rotating process, and the metal waste falls into the surface waste along with rotation of the screening assembly. The cleaning assembly drives the metal waste to the non-magnetic area so that the metal waste can be separated from the surface of the screening assembly, and one side of the cleaning assembly is attached to the outer surface of the screening assembly, so that dust particles attached to the surface of the screening assembly can be scraped, and the situation that the magnetic field intensity of the screening assembly is affected by dust accumulation is avoided; therefore, the screening efficiency of the screening assembly is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

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

[0002] Construction waste refers to solid waste generated during construction activities, mainly including slag, concrete blocks, brick and stone fragments, waste mortar, waste metal, waste wood, waste plastics, etc. It is necessary to strengthen source reduction and technological innovation to "turn waste into treasure" and contribute to green and low-carbon development.

[0003] When pouring concrete for building walls, wooden formwork is used to surround the two sides of the tied reinforcing bars. Cement is then poured inside the wooden formwork to facilitate the formation of the wall. However, nails, metal clamps, or connectors on the wooden formwork may break or fall off during demolding, leaving them in the concrete and causing the concrete and metal parts to mix.

[0004] In existing technologies, magnetic separation is generally used to screen mixed construction waste of concrete and metal parts. However, when concrete block waste is screened, the fine powder on its surface tends to adhere to the surface of the magnetic roller, forming a coating layer. This can reduce the magnetic field strength of the magnetic roller and thus affect the screening efficiency of the metal parts. Utility Model Content

[0005] To address the problem that during the screening of concrete block waste, fine powder easily adheres to the surface of the magnetic roller, forming a coating layer that reduces the magnetic field strength of the roller and thus affects the screening efficiency of metal parts, this utility model proposes a construction waste recycling device that facilitates screening, thereby overcoming the aforementioned technical problems existing in the existing related technologies.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a construction waste recycling device that facilitates screening, including a box:

[0008] The housing is equipped with a drive assembly, a crushing assembly, a guiding assembly, a transmission assembly, a screening assembly, and a cleaning assembly.

[0009] The drive component has its output end fixedly installed at one end of the crushing component, so that the drive component drives the crushing component to crush the concrete block;

[0010] The guiding component is fixedly connected to the inner wall of the box on one side so as to guide the broken concrete blocks.

[0011] The transmission component is fixedly installed inside the crushing component and on the outer surface of the crushing component, so that the transmission component is driven to rotate when the crushing component is in operation.

[0012] The screening component is fixedly installed on its outer surface and inside the transmission component, so that when the transmission component rotates, it drives the screening component to adsorb and screen the metal mixed in the crushed concrete block.

[0013] The cleaning component has one side attached to the outer surface of the screening component so that the cleaning component can clean the dust adhering to the surface of the screening component.

[0014] Furthermore, the drive assembly includes a mounting bracket, one side of which is fixedly mounted to one side of the housing, and a motor is fixedly mounted on the top of the mounting bracket.

[0015] Furthermore, the crushing assembly includes two sets of drive shafts, the outer surfaces of both sets of drive shafts are rotatably mounted to the interior of the housing, gears are fixedly installed on the outer surfaces of both sets of drive shafts, and crushing rollers are fixedly installed on the outer surfaces of both sets of drive shafts, with one end of one set of drive shafts fixedly installed to the output end of the motor.

[0016] Furthermore, the guiding assembly includes a first guiding plate and a second guiding plate, one side of which is fixedly connected to the inner wall of the housing.

[0017] Furthermore, the transmission assembly includes a first synchronous pulley, the interior of which is fixedly mounted to the outer surface of another set of transmission shafts, a synchronous belt is driven on the inner side of the first synchronous pulley, and a second synchronous pulley is driven on the inner side of the synchronous belt.

[0018] Furthermore, the screening assembly includes a screening cylinder, the outer surface of which is rotatably disposed with respect to the interior of the housing, and the outer surface of which is fixedly installed with respect to the interior of the second synchronous wheel;

[0019] The screening cylinder has an internal rotating mounting shaft, and a fixing frame is fixedly mounted on the outer surface of the mounting shaft. An electromagnet is fixedly mounted on the top of the fixing frame, and a positioning frame is fixedly mounted on one end of the mounting shaft. One side of the positioning frame is fixedly mounted to one side of the housing.

[0020] Furthermore, the cleaning component includes a mounting plate, the top of which is fixedly connected to the inner wall of the housing. A top rod is slidably disposed inside the mounting plate, and a connecting plate is fixedly connected to one end of the top rod. A cleaning block is fixedly installed on the top of the connecting plate, one side of which is in contact with the outer surface of the screening cylinder. A spring is fixedly connected to one side of the mounting plate, and one end of the spring is fixedly connected to one end of the top rod.

[0021] This utility model has the following beneficial effects:

[0022] 1. This utility model activates the drive component, which drives the crushing component installed at the output end to operate. When the crushing component is running, it works with the transmission component to drive the screening component to rotate. During the rotation, the crushing component adsorbs the metal waste that falls into the surface waste and, as the screening component rotates, carries the metal waste to the non-magnetic zone, so that the metal waste is separated from the surface of the screening component. Since one side of the cleaning component is in contact with the outer surface of the screening component, it can scrape off the dust particles attached to the surface of the screening component, thereby preventing dust accumulation from affecting the magnetic field strength of the screening component and improving the screening efficiency of the screening component.

[0023] 2. This utility model uses a spring to push the top rod to slide along the inside of the mounting plate, so that the top rod pushes the connecting plate to move, thereby enabling the cleaning block to always be in contact with the outer surface of the screening cylinder. As the screening cylinder rotates, the cleaning block can scrape off the powder attached to its surface, thereby keeping the outer surface of the screening cylinder clean and keeping the external magnetic field strength of the screening cylinder constant.

[0024] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0027] Figure 2 This is a top-view structural schematic diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the cross-sectional structure of the present invention from a frontal view.

[0029] Figure 4 This is a schematic diagram of the cross-sectional structure of the present invention from a rear-view perspective;

[0030] Figure 5 This is a schematic diagram of the cross-sectional structure of the present invention from a right-side view.

[0031] Figure 6 For the present utility model Figure 5An enlarged schematic diagram of the local structure at point A in the middle.

[0032] The attached diagram lists the components represented by each number as follows:

[0033] 1. Housing; 2. Drive assembly; 201. Mounting bracket; 202. Motor; 3. Crushing assembly; 301. Drive shaft; 302. Gear; 303. Crushing roller; 4. Guide assembly; 401. First guide plate; 402. Second guide plate; 5. Transmission assembly; 501. First synchronous pulley; 502. Synchronous belt; 503. Second synchronous pulley; 6. Screening assembly; 601. Screening cylinder; 602. Mounting shaft; 603. Fixing bracket; 604. Electromagnet; 605. Positioning bracket; 7. Cleaning assembly; 701. Mounting plate; 702. Top rod; 703. Connecting plate; 704. Cleaning block; 705. Spring. Detailed Implementation

[0034] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0035] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0036] Please see Figures 1-6 As shown, this utility model is a construction waste recycling device that facilitates screening, including a box 1:

[0037] The housing 1 is respectively equipped with a drive assembly 2, a crushing assembly 3, a guiding assembly 4, a transmission assembly 5, a screening assembly 6, and a cleaning assembly 7;

[0038] The output end of the drive component 2 is fixedly installed at one end of the crushing component 3 so that the drive component 2 drives the crushing component 3 to crush the concrete block;

[0039] The guiding component 4 is fixedly connected to the inner wall of the box 1 on one side so that the guiding component 4 can guide the broken concrete block.

[0040] The transmission component 5 is fixedly installed inside the outer surface of the crushing component 3 so that the transmission component 5 can be driven to rotate when the crushing component 3 is in operation.

[0041] The screening component 6 is fixedly installed on its outer surface and inside the transmission component 5, so that when the transmission component 5 rotates, it drives the screening component 6 to adsorb and screen the metal mixed in the crushed concrete block.

[0042] The cleaning component 7 has one side attached to the outer surface of the screening component 6 so that the cleaning component 7 can clean the dust adhering to the surface of the screening component 6.

[0043] In use, the mixture of concrete blocks and metal scrap is poured into the interior of the housing 1, and then the drive assembly 2 is activated to drive the crushing assembly 3 installed at the output end to operate, so that it crushes the concrete blocks and metal scrap that have entered the housing 1. Since the guide assembly 4 is respectively set on the lower side of the crushing assembly 3 and the side of the screening assembly 6, after the crushing assembly 3 has finished crushing the concrete blocks and metal scrap, the crushed scrap falls to the top of the guide assembly 4 and falls along the direction of the guide assembly 4 to the top of the screening assembly 6. Since the outer surface of the screening assembly 6 is fixedly installed with the interior of the transmission assembly 5, and the interior of the transmission assembly 5 is fixedly installed with the outer surface of the crushing assembly 3, when the crushing assembly 3 is running, it can cooperate with the transmission assembly 5 to drive the screening assembly 6 to rotate. During the rotation, the screening assembly 6 will attract the metal scrap that falls into the surface scrap and, as the screening assembly 6 rotates, it will carry the metal scrap to the non-magnetic zone, so that the metal scrap will separate from the surface of the screening assembly 6, thereby completing the screening of the mixture of concrete blocks and metal scrap.

[0044] This invention activates the drive assembly 2, which drives the crushing assembly 3 installed at the output end to operate. When the crushing assembly 3 is running, it works in conjunction with the transmission assembly 5 to drive the screening assembly 6 to rotate. During the rotation, the crushing assembly 3 adsorbs the metal waste that falls onto the surface waste and, as the screening assembly 6 rotates, carries the metal waste to the non-magnetic zone, causing the metal waste to detach from the surface of the screening assembly 6. Since one side of the cleaning assembly 7 is in contact with the outer surface of the screening assembly 6, it can scrape off the dust particles attached to the surface of the screening assembly 6, thereby preventing dust accumulation from affecting the magnetic field strength of the screening assembly 6 and improving the screening efficiency of the screening assembly 6.

[0045] In one embodiment, the drive assembly 2 includes a mounting bracket 201, one side of which is fixedly mounted to one side of the housing 1, and a motor 202 is fixedly mounted on the top of the mounting bracket 201.

[0046] The mounting bracket 201 is designed to support and fix the motor 202 mounted on one side, and to facilitate the restriction of the position of the motor 202, thereby improving the stability of the motor 202 during operation.

[0047] In one embodiment, the crushing component 3 includes two sets of drive shafts 301. The outer surfaces of both sets of drive shafts 301 are rotatably connected to the interior of the housing 1. Gears 302 are fixedly installed on the outer surfaces of both sets of drive shafts 301. Crushing rollers 303 are fixedly installed on the outer surfaces of both sets of drive shafts 301. One end of one set of drive shafts 301 is fixedly installed to the output end of the motor 202.

[0048] The motor 202 drives one of the drive shafts 301 installed at the output end to rotate. Since gears 302 are installed on the outer surfaces of both drive shafts 301 and the gears 302 are meshed, when one drive shaft 301 rotates, it can cooperate with one set of gears 302 to drive the other set of gears 302 to rotate in opposite directions. This causes the other set of gears 302 to drive the other drive shaft 301 installed inside to rotate, thus enabling the two drive shafts 301 to rotate in opposite directions. When the two drive shafts 301 rotate in opposite directions, they can respectively drive the crushing rollers 303 installed on their outer surfaces to rotate in opposite directions, thereby facilitating the crushing and separation of the concrete and metal waste mixture that enters the box 1.

[0049] In one embodiment, the guide component 4 includes a first guide plate 401 and a second guide plate 402, one side of which is fixedly connected to the inner wall of the housing 1.

[0050] Since the first guide plate 401 is located on the lower side of the two sets of crushing rollers 303, it can guide the crushed waste material to fall to the top of the screening component 6 according to the direction of the first guide plate 401. Furthermore, one side of the second guide plate 402 is close to one side of the screening component 6, which allows the second guide plate 402 to drive the waste mixture to contact the outer surface of the screening component 6, thereby increasing the contact time between the waste mixture and the screening component 6 and greatly improving the screening efficiency of metal waste.

[0051] In one embodiment, the transmission assembly 5 includes a first synchronous pulley 501, the interior of which is fixedly mounted to the outer surface of another set of transmission shafts 301, a synchronous belt 502 is driven on the inner side of the first synchronous pulley 501, and a second synchronous pulley 503 is driven on the inner side of the synchronous belt 502.

[0052] When another set of drive shafts 301 rotates along with another set of gears 302, it can drive the first synchronous pulley 501 mounted on its outer surface to rotate. Since the inner side of the first synchronous pulley 501 is connected to the inner side of the synchronous belt 502, and the inner side of the second synchronous pulley 503 is connected to the inner side of the synchronous belt 502, when the first synchronous pulley 501 rotates, it can work with the synchronous belt 502 to drive the second synchronous pulley 503 to rotate, so that the second synchronous pulley 503 and the first synchronous pulley 501 rotate synchronously in the same direction.

[0053] In one embodiment, the screening component 6 includes a screening cylinder 601, the outer surface of which is rotatably disposed with the interior of the housing 1, and the outer surface of which is fixedly installed with the interior of the second synchronous wheel 503.

[0054] The screening cylinder 601 is rotatably provided with an installation shaft 602. A fixing frame 603 is fixedly installed on the outer surface of the installation shaft 602. An electromagnet 604 is fixedly installed at the top of the fixing frame 603. A positioning frame 605 is fixedly installed at one end of the installation shaft 602. One side of the positioning frame 605 is fixedly installed with one side of the box body 1.

[0055] When the second synchronous wheel 503 rotates, it drives the internally installed screening cylinder 601 to rotate. Since the internal rotating installation shaft 602 is installed, and a positioning frame 605 is fixedly installed at one end of the installation shaft 602, the rotation of the screening cylinder 601 can prevent the installation shaft 602 from rotating. By turning on the electromagnet 604, the magnetic field generated by it can pass through the interior of the screening cylinder 601, so that it can attract the metal waste falling onto the surface of the screening cylinder 601. As the screening cylinder 601 continues to rotate, it can drive the metal waste to the non-magnetic area, so that it falls off the surface of the screening cylinder 601, so as to facilitate the screening of concrete blocks and metal waste.

[0056] In one embodiment, the cleaning component 7 includes a mounting plate 701, the top end of which is fixedly connected to the inner wall of the housing 1. A top rod 702 is slidably disposed inside the mounting plate 701. A connecting plate 703 is fixedly connected to one end of the top rod 702. A cleaning block 704 is fixedly mounted on the top end of the connecting plate 703. One side of the cleaning block 704 is in contact with the outer surface of the screening cylinder 601. A spring 705 is fixedly connected to one side of the mounting plate 701. One end of the spring 705 is fixedly connected to one end of the top rod 702.

[0057] Due to the strong magnetism, the powder generated after the waste material is crushed can be adsorbed and attached to the surface of the screening cylinder 601. Since one side of the cleaning block 704 is in contact with the outer surface of the screening cylinder 601, as the screening cylinder 601 rotates, the cleaning block 704 can scrape off the powder attached to its surface, thereby keeping the outer surface of the screening cylinder 601 clean. When the cleaning block 704 is worn, it can cooperate with the spring 705 to push the top rod 702 to slide along the inside of the mounting plate 701, so that the top rod 702 pushes the connecting plate 703 to move, thereby ensuring that the cleaning block 704 is always in contact with the outer surface of the screening cylinder 601.

[0058] Through the above technical solution, 1. By starting the drive component 2, the crushing component 3 installed at the output end is driven to operate. When the crushing component 3 is running, it can cooperate with the transmission component 5 to drive the screening component 6 to rotate. During the rotation, the metal waste falling into the surface waste is adsorbed. As the screening component 6 rotates, it carries the metal waste to the non-magnetic area, so that the metal waste is separated from the surface of the screening component 6. Since one side of the cleaning component 7 is in contact with the outer surface of the screening component 6, it can scrape off the dust particles attached to the surface of the screening component 6, thereby avoiding dust accumulation from affecting the magnetic field strength of the screening component 6, thus improving the screening efficiency of the screening component 6.

[0059] 2. The spring 705 pushes the top rod 702 to slide along the inside of the mounting plate 701, so that the top rod 702 pushes the connecting plate 703 to move, thereby enabling it to push the cleaning block 704 to always be in contact with the outer surface of the sieve cylinder 601. As the sieve cylinder 601 rotates, the cleaning block 704 can scrape off the powder adhering to its surface, thereby keeping the outer surface of the sieve cylinder 601 clean and keeping the external magnetic field strength of the sieve cylinder 601 constant.

[0060] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0061] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A construction waste recycling device facilitating screening, comprising a box (1), characterized in that: the box (1) is provided with a driving assembly (2), a crushing assembly (3), a guiding assembly (4), a transmission assembly (5), a screening assembly (6), and a cleaning assembly (7) respectively; the output end of the driving assembly (2) is fixedly installed with one end of the crushing assembly (3), so that the driving assembly (2) drives the crushing assembly (3) to crush the concrete blocks; one side of the guiding assembly (4) is fixedly connected with the inner wall of the box (1), so that the guiding assembly (4) guides the crushed concrete blocks; the inside of the transmission assembly (5) is fixedly installed with the outer surface of the crushing assembly (3), so that the transmission assembly (5) is driven to rotate when the crushing assembly (3) operates; the outer surface of the screening assembly (6) is fixedly installed with the inside of the transmission assembly (5), so that the screening assembly (6) is driven to adsorb and screen the metal mixed in the crushed concrete blocks when the transmission assembly (5) rotates; one side of the cleaning assembly (7) is attached to the outer surface of the screening assembly (6), so that the cleaning assembly (7) cleans the dust attached to the surface of the screening assembly (6).

2. A construction waste recycling device for ease of screening according to claim 1, characterized in that, The driving assembly (2) comprises a mounting frame (201), one side of which is fixedly installed with one side of the box (1), and the top end of the mounting frame (201) is fixedly installed with a motor (202).

3. A construction waste recycling apparatus for ease of screening as claimed in claim 2 wherein, The crushing assembly (3) comprises two groups of transmission shafts (301), the outer surfaces of which are rotatably arranged in the inside of the box (1), the outer surfaces of the two groups of transmission shafts (301) are fixedly installed with gears (302), the outer surfaces of the two groups of transmission shafts (301) are fixedly installed with crushing rollers (303), and one end of one group of transmission shafts (301) is fixedly installed with the output end of the motor (202).

4. A construction waste recycling device for ease of screening according to claim 1, characterized in that, The guiding assembly (4) comprises a first guide plate (401) and a second guide plate (402), one side of each of which is fixedly connected with the inner wall of the box (1).

5. A construction waste recycling device for ease of screening as claimed in claim 3 wherein, The transmission assembly (5) comprises a first synchronous wheel (501), the inside of which is fixedly installed with the outer surface of the other group of transmission shafts (301), the inside of the first synchronous wheel (501) is drivingly provided with a synchronous belt (502), and the inside of the synchronous belt (502) is drivingly provided with a second synchronous wheel (503).

6. A construction waste recycling device for ease of screening according to claim 5, characterised in that, The screening assembly (6) comprises a screening cylinder (601), the outer surface of which is rotatably arranged in the inside of the box (1), and the outer surface of the screening cylinder (601) is fixedly installed with the inside of the second synchronous wheel (503). The inside of the screening cylinder (601) is rotationally provided with a mounting shaft (602), the outer surface of the mounting shaft (602) is fixedly provided with a fixing frame (603), the top end of the fixing frame (603) is fixedly provided with an electromagnet (604), one end of the mounting shaft (602) is fixedly provided with a positioning frame (605), and one side of the positioning frame (605) is fixedly provided with the box body (1).

7. A construction waste recycling apparatus for ease of screening as claimed in claim 6 wherein, The cleaning assembly (7) comprises a mounting plate (701), the top end of the mounting plate (701) is fixedly connected with the inner wall of the box body (1), the inside of the mounting plate (701) is slidably provided with a top rod (702), one end of the top rod (702) is fixedly connected with a connecting plate (703), the top end of the connecting plate (703) is fixedly provided with a cleaning block (704), one side of the cleaning block (704) is attached with the outer surface of the screening cylinder (601), one side of the mounting plate (701) is fixedly connected with a spring (705), and one end of the spring (705) is fixedly connected with one end of the top rod (702).