Construction waste crushing and screening sand making device

By introducing screening rollers and conveying magnetic separation mechanisms into the construction waste crushing device, the problems of screening materials of the correct particle size and handling magnetic impurities in construction waste have been solved, thereby improving crushing efficiency and impurity recovery efficiency.

CN223556088UActive Publication Date: 2025-11-18HANDAN CHANGYUAN BUILDING MATERIALS EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422765307.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-11-18
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

In existing technologies, construction waste contains materials that meet the particle size requirements after crushing during the crushing process, which increases the workload of the crusher and affects its efficiency.

Method used

The crushing and screening mechanism uses several screening rollers to pre-screen construction waste, and then crushes the materials that meet the particle size requirements. Combined with the conveying and magnetic separation mechanism, the materials are screened for magnetic impurities, reducing the workload of the crusher.

Benefits of technology

It improves the crushing efficiency of construction waste, reduces the workload of the crusher, and facilitates the recycling and treatment of magnetic impurities.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223556088U_ABST
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Abstract

The utility model discloses a construction waste crushing and screening sand making device which comprises a crushing and screening box body, the bottom of the crushing and screening box body is connected with a conveying pipeline through a group of material guide ports, a crushing and screening mechanism is arranged in the crushing and screening box body, and a conveying magnetic separation mechanism is arranged in the conveying pipeline. The crushing and screening mechanism comprises a feeding hopper, a driving motor, a driving shaft, a group of crushing rollers and a plurality of screening roller shafts. The building waste crushing device has the beneficial effects that the plurality of screening roll shafts are used for firstly screening materials meeting the particle size after crushing in building waste, and then crushing treatment is carried out, so that the workload of a crusher is reduced, and the crushing efficiency of the building waste is improved; and the conveying magnetic separation mechanism adopts a plurality of spiral conveying blades to drive the materials meeting the particle size and the crushed materials to be uniformly conveyed to a discharging opening, and a semi-magnetic roller can screen magnetic impurities in the materials, so that follow-up recycling treatment is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building garbage processing technical field, concretely is a kind of building garbage crushing screening sand making device. BACKGROUND

[0002] Building garbage is mainly derived from land excavation, old building materials, road excavation and construction site. The classification of building garbage according to the source does not truly classify it, and it is difficult to guide recycling. According to the renewability and the value of utilization, building garbage can be divided into three categories: directly usable materials, materials that can be recycled or used for heat recovery, and waste materials without value.

[0003] After sorting and crushing, most of the building garbage can be reused as renewable resources, such as sand, for masonry mortar, plaster mortar, etc. The existing patent with application number CN 202221340650.7 discloses a building garbage mudstone separation, crushing, screening and grading device, which realizes the crushing and screening treatment of building garbage through the design of screening mechanism and crushing assembly. However, during the crushing process of building garbage, the building garbage often contains materials with a particle size that meets the crushing requirements. Direct crushing of building garbage increases the workload of the crusher and affects the crushing efficiency of building garbage.

[0004] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute prior art. CONTENT OF THE UTILITY MODEL

[0005] In view of the above defects, the utility model provides a building garbage crushing and screening sand making device to solve the problem of building garbage crushing and screening.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A building garbage crushing and screening sand making device, comprising a crushing and screening box body, a group of material guide openings are connected to a conveying pipe at the bottom of the crushing and screening box body, a crushing and screening mechanism is provided in the crushing and screening box body, and a conveying magnetic separation mechanism is provided in the conveying pipe;

[0008] The crushing and screening mechanism comprises a feeding hopper, a driving motor, a driving shaft, a group of crushing rollers and a plurality of screening roller shafts. The feeding hopper is inserted and mounted on the left side of the upper end of the crushing and screening box body. The driving motor is horizontally mounted on the front end of the crushing and screening box body. The driving shaft is mounted on the rotating end of the driving motor. A group of crushing rollers are movably inserted and mounted at the bottom of the right side of the crushing and screening box body, and the front end of the left crushing roller is connected to the driving shaft. A plurality of screening roller shafts are movably mounted on the top left side of the crushing and screening box body, and are inclinedly arranged.

[0009] Further, the conveying magnetic separation mechanism comprises a rotating motor, a rotating shaft, a conveying shaft, a plurality of spiral conveying blades, a discharge port, a rectangular frame, a half magnetic cylinder and a group of discharge hoppers, the rotating motor is horizontally installed on the left side of the conveying pipeline, the rotating shaft is installed on the rotating end of the rotating motor, the conveying shaft is movably inserted into the conveying pipeline, the plurality of spiral conveying blades are uniformly installed on the conveying shaft, the discharge port is opened on the right side of the bottom of the conveying pipeline, the rectangular frame is fixedly installed at the bottom of the discharge port through a connecting frame, the half magnetic cylinder is movably installed at the right side of the upper end of the rectangular frame, and the group of discharge hoppers are installed on the two sides of the bottom of the rectangular frame.

[0010] Further, the rotating shaft and the conveying shaft are drivingly connected through a group of transmission bevel gears, and the front end of the rotating shaft is drivingly connected with the half magnetic cylinder through a transmission belt.

[0011] Further, the half magnetic cylinder is uniformly provided with a plurality of scrapers on the outer surface.

[0012] Further, the rear ends of the group of crushing rollers are drivingly connected through a group of transmission gears.

[0013] Further, the driving shaft is drivingly connected with the front ends of the left side of the group of screening roller shafts through a transmission belt, and the rear ends of adjacent groups of screening roller shafts are drivingly connected through a transmission chain.

[0014] The building waste crushing and screening sand device has the following beneficial effects, the crushing and screening mechanism is arranged in the crushing and screening box body, a plurality of screening roller shafts are adopted to first screen the materials meeting the particle size after crushing in the building waste, and then the crushing treatment is carried out, so that the working capacity of the crusher is reduced, and the building waste crushing efficiency is improved.

[0015] The conveying magnetic separation mechanism adopts a plurality of spiral conveying blades to uniformly send the materials meeting the particle size and the crushed materials to the discharge port, and the half magnetic cylinder can screen the magnetic impurities in the materials, so that subsequent recycling and treatment are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a building waste crushing and screening sand device schematic view.

[0017] Figure 2 It is a plurality of screening roller shafts schematic view.

[0018] Figure 3 It is a group of crushing roller schematic view.

[0019] Figure 4 It is a rotating motor driving schematic view.

[0020] Figure 5 It is a rectangular frame top view.

[0021] Figure: 1, broken screening box; 2, guide material mouth; 3, conveying pipeline; 4, feeding hopper; 5, driving motor; 6, driving shaft; 7, broken roller; 8, screening roller shaft; 9, rotating motor; 10, rotating shaft; 11, conveying shaft; 12, spiral conveying blade; 13, discharge port; 14, rectangular frame; 15, half magnetic cylinder; 16, hopper; 17, transmission bevel gear set; 18, transmission belt one; 19, scraper; 20, transmission gear set; 21, transmission belt two; 22, transmission chain. DETAILED DESCRIPTION

[0022] The utility model is specifically described below in combination with the drawings, such as Figures 1-5 As shown: a kind of construction waste broken screening sand making device, conveying pipeline 3 is connected to the bottom of broken screening box 1 by a group of guide material mouth 2, conveying pipeline 3 is equipped with conveying magnetic separation mechanism;Broken screening mechanism includes feeding hopper 4, driving motor 5, driving shaft 6, a group of broken roller 7 and several screening roller shafts 8, the feeding hopper 4 is inserted in the left side of broken screening box 1 upper end, the driving motor 5 is horizontally installed in the front end of broken screening box 1, the driving shaft 6 is installed on the rotating end of driving motor 5, a group of broken roller 7 is movably inserted in the right side bottom of broken screening box 1, and left broken roller 7 front end is connected with driving shaft 6, several screening roller shafts 8 are movably installed in the left side of the top of broken screening box 1, and are inclinedly arranged;Conveying magnetic separation mechanism includes rotating motor 9, rotating shaft 10, conveying shaft 11, several spiral conveying blades 12, discharge port 13, rectangular frame 14, half magnetic cylinder 15 and a group of hoppers 16, the rotating motor 9 is horizontally installed in the left side of conveying pipeline 3, the rotating shaft 10 is installed on the rotating end of rotating motor 9, the conveying shaft 11 is movably inserted in conveying pipeline 3, several spiral conveying blades 12 are evenly installed on conveying shaft 11, the discharge port 13 is opened in the right side of the bottom of conveying pipeline 3, the rectangular frame 14 is fixedly installed in the bottom of discharge port 13 by connecting frame, the half magnetic cylinder 15 is movably installed in the right side of the upper end of rectangular frame 14, a group of hoppers 16 are installed in the two sides of the bottom of rectangular frame 14;The rotating shaft 10 and conveying shaft 11 are connected by a group of transmission bevel gear set 17, and the front end of rotating shaft 10 is connected with half magnetic cylinder 15 by transmission belt one 18;The outer surface of half magnetic cylinder 15 is evenly provided with several scrapers 19;The rear end of a group of broken roller 7 is connected by a group of transmission gear set 20;The driving shaft 6 and the front end of left screening roller shaft 8 are connected by transmission belt two 21, and the rear end of adjacent group of screening roller shafts 8 is connected by transmission chain 22.

[0023] Working principle of the embodiment: the electrical equipment used by the device is controlled by an external controller. When in use, the user first uniformly feeds the construction waste into the crushing and screening box 1 through the feeding hopper 4;

[0024] When crushing and screening: the feeding hopper 4 is inserted on the left side of the upper end of the crushing and screening box 1, the driving motor 5 is horizontally installed on the front end of the crushing and screening box 1, the driving shaft 6 is installed on the rotating end of the driving motor 5, a group of crushing rollers 7 are movably inserted on the right side bottom of the crushing and screening box 1 through fastening bearings, and the front end of the left crushing roller 7 is connected with the driving shaft 6, a plurality of screening roller shafts 8 are movably installed on the left side of the inner top of the crushing and screening box 1 through fastening bearings, and are obliquely arranged, the rear end of a group of crushing rollers 7 is connected through a group of transmission gear sets 20, the driving shaft 6 is connected with the front end of the left screening roller shaft 8 through transmission belt two 21, the rear end of an adjacent group of screening roller shafts 8 is connected through transmission chains 22, as shown in Figure 2 and Figure 3 The construction waste first falls on the plurality of screening roller shafts 8, the driving motor 5 drives the plurality of screening roller shafts 8 to rotate through the driving shaft 6, transmission belt two 21 and a plurality of transmission chains 22, and the construction waste that meets the particle size after crushing is transported and screened, the construction waste that meets the particle size falls into the conveying pipeline 3 through the left guide opening 2, and the construction waste that does not meet the particle size falls between a group of crushing rollers 7 through the internal guide plate, the driving motor 5 drives a group of crushing rollers 7 to relatively rotate for crushing treatment, and the crushed material falls into the conveying pipeline 3 through the right guide opening 2, thereby reducing the working load of the crusher and improving the crushing efficiency of the construction waste;

[0025] When conveying and magnetic separation: the rotating motor 9 is horizontally installed on the left side of the conveying pipeline 3, the rotating shaft 10 is installed on the rotating end of the rotating motor 9, the conveying shaft 11 is movably inserted in the conveying pipeline 3 through fastening bearings, a plurality of spiral conveying blades 12 are uniformly installed on the conveying shaft 11, the discharge opening 13 is opened on the right side of the bottom of the conveying pipeline 3, the rectangular frame 14 is fixedly installed on the bottom of the discharge opening 13 through the connecting frame, the half magnetic cylinder 15 is movably installed on the right side of the upper end of the rectangular frame 14 through fastening bearings, a group of discharge hoppers 16 are installed on both sides of the bottom of the rectangular frame 14, the rotating shaft 10 and the conveying shaft 11 are connected through a group of transmission bevel gear sets 17, the front end of the rotating shaft 10 and the half magnetic cylinder 15 are connected through transmission belt one 18, and a plurality of scrapers 19 are uniformly installed on the outer surface of the half magnetic cylinder 15, as shown in Figure 4 and Figure 5As shown, the rotary motor 9 first drives the conveying shaft 11 to rotate through a set of transmission bevel gear sets 17, the plurality of spiral conveying blades 12 drive the materials with the same particle size and the crushed materials to be uniformly sent to the discharge port 13 and fall on the semi-magnetic drum 15, the rotary motor 9 drives the semi-magnetic drum 15 to rotate counterclockwise through the transmission belt 18, the magnetic impurities in the materials can be screened, the magnetic materials fall in the right discharge hopper 16, and the non-magnetic materials fall in the left discharge hopper 16, so that subsequent recycling and processing are facilitated.

[0026] The above technical scheme only embodies the preferred technical scheme of the technical scheme of the utility model, and some changes made by the person skilled in the art to some parts also embody the principle of the utility model and are within the protection scope of the utility model.

Claims

1. A construction waste crushing and screening sand making device, comprising a crushing and screening box (1), the bottom of the crushing and screening box (1) is connected with a conveying pipeline (3) through a group of material guide ports (2), characterized in that, The crushing and screening box (1) is provided with a crushing and screening mechanism, and the conveying pipeline (3) is provided with a conveying and magnetic separation mechanism. The crushing and screening mechanism comprises a feeding hopper (4), a driving motor (5), a driving shaft (6), a set of crushing rollers (7) and a plurality of screening roller shafts (8). The feeding hopper (4) is inserted and arranged on the left side of the upper end of the crushing and screening box (1). The driving motor (5) is horizontally arranged at the front end of the crushing and screening box (1). The driving shaft (6) is arranged on the rotating end of the driving motor (5). The set of crushing rollers (7) are movably inserted and arranged at the right side of the bottom of the crushing and screening box (1), and the front end of the left crushing roller (7) is connected with the driving shaft (6). The plurality of screening roller shafts (8) are movably arranged at the left side of the top of the crushing and screening box (1) and are obliquely arranged.

2. The construction waste crushing and screening sand making device according to claim 1, characterized in that, The conveying and magnetic separation mechanism comprises a rotating motor (9), a rotating shaft (10), a conveying shaft (11), a plurality of spiral conveying blades (12), a discharge port (13), a rectangular frame (14), a semi-magnetic cylinder (15) and a set of lower hoppers (16). The rotating motor (9) is horizontally arranged on the left side of the conveying pipeline (3). The rotating shaft (10) is arranged on the rotating end of the rotating motor (9). The conveying shaft (11) is movably inserted and arranged in the conveying pipeline (3). The plurality of spiral conveying blades (12) are uniformly arranged on the conveying shaft (11). The discharge port (13) is arranged at the right side of the bottom of the conveying pipeline (3). The rectangular frame (14) is fixedly arranged at the bottom of the discharge port (13) through a connecting frame. The semi-magnetic cylinder (15) is movably arranged at the right side of the upper end of the rectangular frame (14). The set of lower hoppers (16) are arranged at the bottom of the rectangular frame (14) on both sides.

3. The construction waste crushing and screening sand making device according to claim 2, characterized in that, The rotating shaft (10) and the conveying shaft (11) are drivingly connected through a set of transmission bevel gear sets (17). The front end of the rotating shaft (10) is drivingly connected with the semi-magnetic cylinder (15) through a transmission belt (18).

4. The construction waste crushing and screening sand making device according to claim 2, characterized in that, A plurality of scrapers (19) are uniformly arranged on the outer surface of the semi-magnetic cylinder (15).

5. The construction waste crushing and screening sand making device according to claim 1, characterized in that, The rear end of the set of crushing rollers (7) is drivingly connected through a set of transmission gear sets (20).

6. The construction waste crushing and screening sand making device according to claim 1, characterized in that, The driving shaft (6) and the front end of the left screening roller shaft (8) are drivingly connected through a transmission belt (21). The rear end of the adjacent set of screening roller shafts (8) is drivingly connected through a transmission chain (22).

Citation Information

Patent Citations

  • Construction waste mudstone separating, crushing, screening and grading device

    CN217614943U