Construction waste crushing and grinding device

By designing a construction waste crushing and grinding device, using a combination of crushing rollers and grinding rollers, combined with auxiliary components and filters, the problem of inconvenience in not being completely crushed and screened after crushing is solved, and an efficient crushing and screening process is achieved.

CN222901202UActive Publication Date: 2025-05-27山东建民再生资源股份有限公司
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Patent Information

Application Number
CN202421525378.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-30
Publication Date
2025-05-27
Estimated Expiration
2034-06-30

AI Technical Summary

Technical Problem

The existing construction waste is still partially not completely crushed after being crushed, and additional screening is required, which is inefficient and inconvenient to collect and discharge materials.

Method used

A construction waste crushing and grinding device is designed, including an upper shell and a lower shell, with built-in crushing rollers and grinding rollers. The auxiliary components include a main scraper, a secondary scraper and a pressing spring for scraping and cleaning the surface of the grinding rollers, and combining the filter net and the discharge plate for preliminary screening and material separation.

Benefits of technology

Through the combination of crushing rollers and grinding rollers, the proportion of construction waste that is not completely crushed after crushing is significantly reduced, the screening process is simplified, the processing efficiency is improved, and the material collection and emission is facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a construction waste crushing and grinding device, which belongs to the technical field of waste disposal, and is characterized by comprising an upper shell and a lower shell, the upper shell and the lower shell are integrally formed, two crushing rollers are movably connected to the inner side of the upper shell, two grinding rollers are arranged at the bottoms of the crushing rollers, and the two grinding rollers are arranged on the lower side of the upper shell. The outer side of the grinding roller is rotationally connected with the upper shell, the upper shell is arranged to be matched with the lower shell to support and mount the internal structure, the arranged crushing roller can be preliminarily crushed by the crushing roller after construction waste is fed from the top of the upper shell, and then the construction waste is further ground by the grinding roller; in the grinding process of the grinding roller, due to pulling of a pressing tension spring, a main scraping plate of the auxiliary assembly is matched with an auxiliary scraping plate connected with the main scraping plate to conduct scraping action on the surface of the grinding roller along a fixing frame, and therefore the grinding roller can conduct grinding conveniently. And materials are prevented from leaking out of the two grinding rollers, and meanwhile, the surface of the grinding rollers can be cleaned.
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Description

Technical Field

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

[0002] Construction waste refers to the muck, waste soil, waste materials, silt and other waste generated during the construction, laying or demolition and repair of various buildings, structures, pipe networks, etc. by construction, construction units or individuals. Construction waste refers to the construction waste generated due to human or natural reasons during the project, including waste muck, waste soil, silt and waste materials, etc. These materials are of no help to the building itself, but are substances generated during the construction process and need to be processed accordingly. Some of the materials will be selected for crushing and then reused.

[0003] For the existing construction waste, there are still some parts that are not completely crushed after crushing. Before secondary crushing, additional screening is required, which not only has low efficiency, but also is more troublesome for the collection and discharge of materials and is inconvenient to use. Content of the Utility Model

[0004] The utility model provides a crushing and grinding device for construction waste, aiming to solve the problem that for the existing construction waste, there are still some parts that are not completely crushed after crushing. Before secondary crushing, additional screening is required, which not only has low efficiency, but also is more troublesome for the collection and discharge of materials and is inconvenient to use.

[0005] The utility model is realized as follows: a crushing and grinding device for construction waste includes an upper shell and a lower shell. The lower shell and the upper shell are integrally formed. Two crushing rollers are movably connected inside the upper shell. Two grinding rollers are arranged at the bottom of the crushing rollers. The outer side of the grinding rollers is rotatably connected with the upper shell. A filter screen is movably connected inside the lower shell. A discharge plate is arranged at the bottom of the filter screen. An auxiliary component is arranged inside the upper shell;

[0006] The auxiliary component includes a fixing frame. A main scraper is movably connected to the top of the fixing frame. A secondary scraper is movably connected to the right side of the main scraper. The bottom of the main scraper contacts the left grinding roller. The bottom of the secondary scraper contacts the right grinding roller. A pressing tension spring is bolted to the top of the fixing frame. The fixed end of the pressing tension spring is bolted to the main scraper.

[0007] In order to achieve the effect of facilitating the connection between the main scraper and the secondary scraper, as a preferred embodiment of the crushing and grinding device for construction waste of the utility model, a connecting rod is bolted to the right side of the main scraper, and the right side of the connecting rod is bolted to the secondary scraper.

[0008] In order to achieve the effect of facilitating the limit of the movement of the structure, as an optimization of the construction waste crushing and grinding device of the present utility model, a limiting rod is bolted to the bottom of the main scraper, and the outer side of the limiting rod is slidably connected to the fixed frame.

[0009] In order to achieve the effect of facilitating the guiding of the movement of the structure, as an optimization of the construction waste crushing and grinding device of the present utility model, a guiding sleeve is bolted to the inner wall of the upper shell, a sliding rod is slidably connected to the inner side of the guiding sleeve, and the outer side of the sliding rod is slidably connected to the auxiliary scraper.

[0010] In order to achieve the effect of facilitating the collection of the dust generated during the crushing process, as an optimization of the construction waste crushing and grinding device of the present utility model, a blower is bolted to the rear side of the lower shell, and suction pipes are bolted to both sides of the blower.

[0011] In order to achieve a better collection effect, as an optimization of the construction waste crushing and grinding device of the present utility model, bottom hoppers are bolted to both sides of the lower shell, a blocking net is arranged inside the bottom hoppers, and the outer sides of the bottom hoppers are bolted to the suction pipes.

[0012] In order to achieve the effect of facilitating the transmission of the crushing roller, as an optimization of the construction waste crushing and grinding device of the present utility model, the right crushing roller is externally connected to a motor, a secondary shaft is rotatably connected to the rear side of the upper shell, gears are bolted to the outer sides of the secondary shaft and the right crushing roller, the left gear and the right gear are meshed and connected, first belt pulleys are bolted to the outer sides of the left crushing roller and the secondary shaft, and the two first belt pulleys are driven and connected by a transmission belt.

[0013] In order to achieve the effect of facilitating the transmission of the grinding roller, as an optimization of the construction waste crushing and grinding device of the present utility model, second belt pulleys are bolted to the outer sides of the crushing roller and the grinding roller, and the two second belt pulleys on the left side and the two second belt pulleys on the right side are driven and connected by transmission belts respectively.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] The construction waste crushing and grinding device supports and installs the internal structure by setting the upper shell in cooperation with the lower shell. After the construction waste is put into the top of the upper shell, the set crushing roller will initially crush it, and then it will be further ground by the grinding roller to reduce the proportion of the uncompletely crushed construction waste after crushing. During the grinding process of the grinding roller, the main scraper of the auxiliary component, due to the pulling of the pressing spring, cooperates with the connected secondary scraper to scrape the surface of the grinding roller along the fixed frame, which can avoid the leakage of materials outside the two grinding rollers and can clean the surface of the grinding roller to prevent material adhesion. And it falls into the lower shell after being guided at the bottom of the upper shell. First, it will pass through the filter screen and be preliminarily screened. The large materials will be discharged from the right side of the upper shell along the inclined filter screen, and the finer crushed materials will be discharged from the left side along the discharge plate, which is convenient for personnel to collect and perform subsequent processing separately, making it more convenient to use. Description of the Drawings

[0016] Figure 1 It is the overall structure diagram of the construction waste crushing and grinding device of the present utility model;

[0017] Figure 2 It is the structural schematic diagram of the auxiliary component of the present utility model;

[0018] Figure 3 It is the rear structural schematic diagram of the main body structure of the present utility model;

[0019] Figure 4 It is the internal structural schematic diagram of the main body structure of the present utility model;

[0020] Figure 5 It is the front view of the internal structure of the present utility model.

[0021] In the figure, 1. upper shell; 2. lower shell; 3. crushing roller; 4. grinding roller; 5. filter screen; 6. discharge plate; 7. auxiliary component; 701. fixed frame; 702. main scraper; 703. secondary scraper; 704. pressing spring; 8. connecting rod; 9. limiting rod; 10. guide sleeve; 11. sliding rod; 12. bottom hopper; 13. blocking net; 14. fan; 15. suction pipe; 16. secondary shaft; 17. gear; 18. first belt pulley; 19. second belt pulley. Detailed Embodiment

[0022] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further elaborates on the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: a construction waste crushing and grinding device, including an upper shell 1 and a lower shell 2. The lower shell 2 and the upper shell 1 are integrally formed. Two crushing rollers 3 are movably connected inside the upper shell 1. Two grinding rollers 4 are arranged at the bottom of the crushing rollers 3. The outer side of the grinding rollers 4 is rotationally connected to the upper shell 1. A filter screen 5 is movably connected inside the lower shell 2. A discharge plate 6 is arranged at the bottom of the filter screen 5. An auxiliary component 7 is arranged inside the upper shell 1;

[0025] The auxiliary component 7 includes a fixing frame 701. A main scraper 702 is movably connected to the top of the fixing frame 701. A secondary scraper 703 is movably connected to the right side of the main scraper 702. The bottom of the main scraper 702 contacts the left grinding roller 4. The bottom of the secondary scraper 703 contacts the right grinding roller 4. A pressing tension spring 704 is bolted to the top of the fixing frame 701. The fixed end of the pressing tension spring 704 is bolted to the main scraper 702.

[0026] In this embodiment: By setting the upper shell 1 to cooperate with the lower shell 2 to support and install the internal structure, the set crushing rollers 3 will initially crush the construction waste after it is input from the top of the upper shell 1, and then it will be further ground by the grinding rollers 4 to reduce the proportion of construction waste that is not completely crushed after the crushing process. During the grinding process of the grinding rollers 4, the main scraper 702 of the auxiliary component 7, due to the pulling of the pressing tension spring 704, cooperates with the connected secondary scraper 703 to scrape the surface of the grinding rollers 4 along the fixing frame 701. This can prevent materials from leaking out outside the two grinding rollers 4 and can clean the surface of the grinding rollers 4 to avoid material adhesion. And after being guided at the bottom of the upper shell 1, it falls into the lower shell 2. First, it will pass through the filter screen 5 and be initially screened. The large materials will be screened out from the right side of the upper shell 1 along the inclined filter screen 5, and the finer crushed materials will be discharged from the left side along the discharge plate 6, which is convenient for personnel to collect and separately perform post-treatment, making it more convenient to use.

[0027] As a technical optimization solution of the present utility model, a connecting rod 8 is bolted to the right side of the main scraper 702, and the right side of the connecting rod 8 is bolted to the secondary scraper 703.

[0028] In this embodiment: By providing the connecting rod 8, it is convenient to connect the main scraper 702 and the auxiliary scraper 703, so that they can be pressed down synchronously.

[0029] As a technical optimization solution of the present utility model, a limiting rod 9 is bolted to the bottom of the main scraper 702, and the outer side of the limiting rod 9 is slidably connected to the fixed frame 701.

[0030] In this embodiment: By providing the limiting rod 9, it is convenient to limit the movement of the main scraper 702 along the fixed frame 701, so that the movement path of the structure is not prone to tilt, and at the same time, loosening between the structures is avoided.

[0031] As a technical optimization solution of the present utility model, a guide sleeve 10 is bolted to the inner wall of the upper shell 1, a slide rod 11 is slidably connected to the inner side of the guide sleeve 10, and the outer side of the slide rod 11 is slidably connected to the auxiliary scraper 703.

[0032] In this embodiment: By providing the guide sleeve 10 in cooperation with the slide rod 11, it is convenient to limit the relative movement between the upper shell 1 and the auxiliary scraper 703, so that the movement of the structure is relatively perpendicular.

[0033] As a technical optimization solution of the present utility model, a blower 14 is bolted to the rear side of the lower shell 2, and suction pipes 15 are bolted to both sides of the blower 14.

[0034] In this embodiment: By providing the blower 14 in cooperation with the suction pipes 15, it is convenient to collect the dust generated in the lower shell 2, and it is convenient to collect through the collection equipment at the discharge port, avoiding the reduction of the escaping dust.

[0035] As a technical optimization solution of the present utility model, bottom hoppers 12 are bolted to both sides of the lower shell 2, a blocking net 13 is arranged inside the bottom hoppers 12, and the outer sides of the bottom hoppers 12 are bolted to the suction pipes 15.

[0036] In this embodiment: By providing the bottom hoppers 12 in cooperation with the blocking net 13, it is convenient to block the larger materials in the dust, avoiding being sucked into the structure and causing blockage and other situations.

[0037] As a technical optimization solution of the present utility model, the right crushing roller 3 is externally connected to a motor, a secondary shaft 16 is rotatably connected to the rear side of the upper shell 1, gears 17 are bolted to the outer sides of the secondary shaft 16 and the right crushing roller 3, the left gear 17 and the right gear 17 are meshed and connected, first belt pulleys 18 are bolted to the outer sides of the left crushing roller 3 and the secondary shaft 16, and the two first belt pulleys 18 are connected by a transmission belt.

[0038] In this embodiment: By providing the auxiliary shaft 16, it is convenient to cooperate with the gear 17 and the first pulley 18, and drive them through an externally connected motor, and make the two crushing rollers 3 rotate relative to each other, so as to facilitate the transmission of the structure.

[0039] As a technical optimization solution of the present utility model, second pulleys 19 are bolted to the outer sides of both the crushing roller 3 and the grinding roller 4, and the two second pulleys 19 on the left side and the two second pulleys 19 on the right side are connected by a transmission belt for transmission connection.

[0040] In this embodiment: By providing the second pulley 19, it is convenient to drive between the grinding rollers 4, so as to facilitate the grinding action of the structure.

[0041] Working principle: First, when in use, construction waste is directly put in from the top of the upper shell 1. The externally connected motor drives the right crushing roller 3 to rotate. The right crushing roller 3 is transmitted through the gear 17, the auxiliary shaft 16 and the pulley on the outer side of the left crushing roller 3, so that the two crushing rollers 3 initially crush the construction waste, and then it is further ground by the grinding roller 4. During the grinding process of the grinding roller 4, the main scraper 702 of the auxiliary component 7 cooperates with the auxiliary scraper 703 to scrape the surface of the grinding roller 4 along the fixing frame 701, avoiding material adhesion while limiting and guiding the material, and after being guided at the bottom of the upper shell 1, it falls into the lower shell 2. First, it will pass through the filter screen 5 and be preliminarily screened. The large materials are respectively screened out from the right side of the upper shell 1 along the inclined filter screen 5, and the finer crushed materials will be discharged from the left side along the discharge plate 6. The fan 14 extracts dust through the suction pipe 15 for unified collection.

[0042] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A construction waste crushing and grinding device, comprising an upper shell (1) and a lower shell (2), characterized in that: The lower shell (2) and the upper shell (1) are integrally formed, the inner side of the upper shell (1) is movably connected to two crushing rollers (3), the bottom of the crushing rollers (3) is provided with two grinding rollers (4), the outer sides of the grinding rollers (4) are rotatably connected to the upper shell (1), the inner side of the lower shell (2) is movably connected to a filter screen (5), the bottom of the filter screen (5) is provided with a discharge plate (6), and the inner side of the upper shell (1) is provided with an auxiliary component (7); The auxiliary component (7) includes a fixed frame (701), the top of the fixed frame (701) is movably connected to a main scraper (702), the right side of the main scraper (702) is movably connected to an auxiliary scraper (703), the bottom of the main scraper (702) is in contact with the left grinding roller (4), the bottom of the auxiliary scraper (703) is in contact with the right grinding roller (4), and the top of the fixed frame (701) is bolted with a pressure spring (704), and the fixing edge of the pressure spring (704) is bolted to the main scraper (702).

2. The construction waste crushing and grinding device according to claim 1 is characterized in that: The right side of the main scraper (702) is bolted to a connecting rod (8), and the right side of the connecting rod (8) is bolted to the auxiliary scraper (703).

3. The construction waste crushing and grinding device according to claim 1 is characterized in that: The bottom of the main scraper (702) is bolted to a limiting rod (9), and the outer side of the limiting rod (9) is slidably connected to the fixing frame (701).

4. The construction waste crushing and grinding device according to claim 1, characterized in that: A guide sleeve (10) is bolted to the inner wall of the upper shell (1), a slide rod (11) is slidably connected to the inner side of the guide sleeve (10), and the outer side of the slide rod (11) is slidably connected to the auxiliary scraper (703).

5. The construction waste crushing and grinding device according to claim 1, characterized in that: A fan (14) is bolted to the rear side of the lower shell (2), and suction pipes (15) are bolted to both sides of the fan (14).

6. The construction waste crushing and grinding device according to claim 1, characterized in that: The bottom bucket (12) is bolted to both sides of the lower shell (2), a blocking net (13) is arranged on the inner side of the bottom bucket (12), and the outer side of the bottom bucket (12) is bolted to the suction pipe (15).

7. The construction waste crushing and grinding device according to claim 1, characterized in that: The right crushing roller (3) is externally connected to a motor, and the rear side of the upper shell (1) is rotatably connected to a secondary shaft (16). The secondary shaft (16) and the outer sides of the right crushing roller (3) are both bolted to a gear (17), the left gear (17) and the right gear (17) are meshingly connected, and the outer sides of the left crushing roller (3) and the secondary shaft (16) are both bolted to a first pulley (18), and the two first pulleys (18) are connected via a transmission belt.

8. The construction waste crushing and grinding device according to claim 7, characterized in that: The outer sides of the crushing roller (3) and the outer sides of the grinding roller (4) are both bolted with second pulleys (19), and the two second pulleys (19) on the left and the two second pulleys (19) on the right are connected by a transmission belt.